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International Seismological Centre

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61-489: The International Seismological Centre ( ISC ) is a non-governmental, nonprofit organisation charged with the final collection, definitive analysis and publication of global seismicity. The ISC was formed in 1964 as an international organisation independent of national governments that would carry on the work of the International Seismological Summary in collecting and analyzing seismic data from around

122-457: A nonbusiness entity , nonprofit institution , or simply a nonprofit , is a legal entity organized and operated for a collective, public or social benefit, as opposed to an entity that operates as a business aiming to generate a profit for its owners. A nonprofit organization is subject to the non-distribution constraint: any revenues that exceed expenses must be committed to the organization's purpose, not taken by private parties. Depending on

183-424: A delegate structure to allow for the representation of groups or corporations as members. Alternatively, it may be a non-membership organization and the board of directors may elect its own successors. The two major types of nonprofit organization are membership and board-only. A membership organization elects the board and has regular meetings and the power to amend the bylaws. A board-only organization typically has

244-554: A fiscally viable entity. Nonprofits have the responsibility of focusing on being professional and financially responsible, replacing self-interest and profit motive with mission motive. Though nonprofits are managed differently from for-profit businesses, they have felt pressure to be more businesslike. To combat private and public business growth in the public service industry, nonprofits have modeled their business management and mission, shifting their reason of existing to establish sustainability and growth. Setting effective missions

305-471: A low-stress work environment that the employee can associate him or herself positively with. Other incentives that should be implemented are generous vacation allowances or flexible work hours. When selecting a domain name , NPOs often use one of the following: .org , the country code top-level domain of their respective country, or the .edu top-level domain (TLD), to differentiate themselves from more commercial entities, which typically use .com . In

366-457: A nonprofit entity without having tax-exempt status. Key aspects of nonprofits are accountability, integrity, trustworthiness, honesty, and openness to every person who has invested time, money, and faith into the organisation. Nonprofit organizations are accountable to the donors, founders, volunteers, program recipients, and the public community. Theoretically, for a nonprofit that seeks to finance its operations through donations, public confidence

427-684: A self-selected board and a membership whose powers are limited to those delegated to it by the board. A board-only organization's bylaws may even state that the organization does not have any membership, although the organization's literature may refer to its donors or service recipients as 'members'; examples of such organizations are FairVote and the National Organization for the Reform of Marijuana Laws . The Model Nonprofit Corporation Act imposes many complexities and requirements on membership decision-making. Accordingly, many organizations, such as

488-471: A strong vision of how to operate the project, try to retain control of the organization, even as new employees or volunteers want to expand the project's scope or change policy. Resource mismanagement is a particular problem with NPOs because the employees are not accountable to anyone who has a direct stake in the organization. For example, an employee may start a new program without disclosing its complete liabilities. The employee may be rewarded for improving

549-405: A typical month more than 200,000 station readings are analysed leading to an average of 10,000 events per month being identified, of which some 4,000 require manual review. Misassociations and other discrepancies are rectified and the remaining unassociated readings are searched for new events and previously unreported earthquakes are added to the database. The total number of events listed each month

610-578: A wide diversity of structures and purposes. For legal classification, there are, nevertheless, some elements of importance: Some of the above must be (in most jurisdictions in the US at least) expressed in the organization's charter of establishment or constitution. Others may be provided by the supervising authority at each particular jurisdiction. While affiliations will not affect a legal status, they may be taken into consideration by legal proceedings as an indication of purpose. Most countries have laws that regulate

671-399: Is a factor in the amount of money that a nonprofit organization is able to raise. Supposedly, the more a nonprofit focuses on their mission, the more public confidence they will gain. This will result in more money for the organization. The activities a nonprofit is partaking in can help build the public's confidence in nonprofits, as well as how ethical the standards and practices are. There

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732-461: Is a key for the successful management of nonprofit organizations. There are three important conditions for effective mission: opportunity, competence, and commitment. One way of managing the sustainability of nonprofit organizations is to establish strong relations with donor groups. This requires a donor marketing strategy, something many nonprofits lack. Nonprofit organizations provide public goods that are undersupplied by government. NPOs have

793-439: Is an important distinction in the US between non-profit and not-for-profit organizations (NFPOs); while an NFPO does not profit its owners, and money goes into running the organization, it is not required to operate for the public good. An example is a club, whose purpose is its members' enjoyment. Other examples of NFPOs include: credit unions, sports clubs, and advocacy groups. Nonprofit organizations provide services to

854-414: Is an important distinction in the US between non-profit and not-for-profit organizations (NFPOs); while an NFPO does not profit its owners, and money goes into running the organization, it is not required to operate for the public good. An example is a sports club, whose purpose is its members' enjoyment. The names used and precise regulations vary from one jurisdiction to another. According to

915-541: Is concerned. In many countries, nonprofits may apply for tax-exempt status, so that the organization itself may be exempt from income tax and other taxes. In the United States, to be exempt from federal income taxes, the organization must meet the requirements set forth in the Internal Revenue Code (IRC). Granting nonprofit status is done by the state, while granting tax-exempt designation (such as IRC 501(c) )

976-450: Is granted by the federal government via the IRS. This means that not all nonprofits are eligible to be tax-exempt. For example, employees of non-profit organizations pay taxes from their salaries, which they receive according to the laws of the country. NPOs use the model of a double bottom line in that furthering their cause is more important than making a profit, though both are needed to ensure

1037-408: Is not classifiable as another category. Currently, no restrictions are enforced on registration of .com or .org, so one can find organizations of all sorts in either of those domains, as well as other top-level domains including newer, more specific ones which may apply to particular sorts of organization including .museum for museums and .coop for cooperatives . Organizations might also register by

1098-610: Is reviewed and the hypocenters and magnitudes recalculated; the Reviewed Bulletin is "regarded as the definitive record of the Earth's seismicity." Most of the other data products are subsets of the Bulletin. The original EHB Bulletin contains events from 1960 to 2008 (prior to adoption of a newer location algorithm) whose hypocentres were recalculated by the algorithm of Engdahl, van der Hilst & Buland (1998) . This has been replaced by

1159-476: Is several times greater than those obtained by any other worldwide location service and results from ISC's goal to provide a fully comprehensive list. The data the ISC collects and processes forms the basis of several data products. The On-line Bulletin (a printed summary is available for a fee) is the main collection of ISC data, organised by events. After approximately two years all of the data collected for an event

1220-411: Is the remuneration package, though many who have been questioned after leaving an NPO have reported that it was stressful work environments and the workload. Public- and private-sector employment have, for the most part, been able to offer more to their employees than most nonprofit agencies throughout history. Either in the form of higher wages, more comprehensive benefit packages, or less tedious work,

1281-408: Is uncertainty in such measurements that grows with the wavelength so the focal depth of the source of these long-wavelength (low frequency) waves is difficult to determine exactly. Very strong earthquakes radiate a large fraction of their released energy in seismic waves with very long wavelengths and therefore a stronger earthquake involves the release of energy from a larger mass of rock. Computing

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1342-472: Is unique in which source of income works best for them. With an increase in NPOs since 2010, organizations have adopted competitive advantages to create revenue for themselves to remain financially stable. Donations from private individuals or organizations can change each year and government grants have diminished. With changes in funding from year to year, many nonprofit organizations have been moving toward increasing

1403-1036: The ISC-EHB Bulletin , which extends the catalog to 2013. The ISC-GEM Global Instrumental Earthquake Catalogue (1900-2013) (prepared at the request of the GEM Foundation ) catalogs magnitude 5.5 or greater earthquakes suitable for modeling and assessing seismic hazard and risk. Epicentral locations and hypocentral depths were recalculated from original travel time data using a consistent velocity model. Magnitudes are expressed as moment magnitude scale (M w ), taken either from reliable published values of seismic moment or from recalculated values of surface wave or body wave magnitude , converted to M w using empirical relationships. The IASPEI reference events database contains 9280 earthquakes and explosions whose hypocenters have been located within 10 km or less, often in conjunction with on-site studies ("ground truth"). These events have seen selected to better "see"

1464-715: The National Center for Charitable Statistics (NCCS), there are more than 1.5 million nonprofit organizations registered in the United States , including public charities , private foundations , and other nonprofit organizations. Private charitable contributions increased for the fourth consecutive year in 2017 (since 2014), at an estimated $ 410.02 billion. Out of these contributions, religious organizations received 30.9%, education organizations received 14.3%, and human services organizations received 12.1%. Between September 2010 and September 2014, approximately 25.3% of Americans over

1525-587: The Wikimedia Foundation , have formed board-only structures. The National Association of Parliamentarians has generated concerns about the implications of this trend for the future of openness, accountability, and understanding of public concerns in nonprofit organizations. Specifically, they note that nonprofit organizations, unlike business corporations, are not subject to market discipline for products and shareholder discipline of their capital; therefore, without membership control of major decisions such as

1586-506: The Earth's structure, and to provide references to which seismic networks can be more accurately calibrated. The Event Bibliography catalogs scientific papers (mainly in English) that specifically discuss over 14,000 events. A valuable listing of papers that avoids problems inherent in most search services of variant place names or spellings, or trivial mentions. Nonprofit organization A nonprofit organization ( NPO ), also known as

1647-452: The NPO's reputation, making other employees happy, and attracting new donors. Liabilities promised on the full faith and credit of the organization but not recorded anywhere constitute accounting fraud . But even indirect liabilities negatively affect the financial sustainability of the NPO, and the NPO will have financial problems unless strict controls are instated. Some commenters have argued that

1708-461: The age of 16 volunteered for a nonprofit. In the United States, both nonprofit organizations and not-for-profit organizations are tax-exempt. There are various types of nonprofit exemptions, such as 501(c)(3) organizations that are a religious, charitable, or educational-based organization that does not influence state and federal legislation, and 501(c)(7) organizations that are for pleasure, recreation, or another nonprofit purpose. There

1769-649: The appropriate country code top-level domain for their country. In 2020, nonprofit organizations began using microvlogging (brief videos with short text formats) on TikTok to reach Gen Z, engage with community stakeholders, and overall build community. TikTok allowed for innovative engagement between nonprofit organizations and younger generations. During COVID-19, TikTok was specifically used to connect rather than inform or fundraise, as its fast-paced, tailored For You Page separates itself from other social media apps such as Facebook and Twitter. Some organizations offer new, positive-sounding alternative terminology to describe

1830-528: The atmosphere rather than strike the surface, is the closest point on the surface to the explosion. The Tunguska event occurred in Siberia in 1908 and flattened an estimated 80 million trees over an area of 2,150 km (830 sq mi) of forest. The trees at the hypocenter of the blast were left standing, but all their limbs had been blown off by the shockwave. The 2013 Chelyabinsk meteor 's hypocenter in Russia

1891-556: The atomic attacks, released in June 1946, used the term liberally, defining it as: For convenience, the term 'ground zero' will be used to designate the point on the ground directly beneath the point of detonation, or 'air zero.' William Laurence , an embedded reporter with the Manhattan Project , reported that "Zero" was "the code name given to the spot chosen for the [Trinity] test" in 1945. The Oxford English Dictionary , citing

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1952-401: The best of the newly minted workforce. It has been mentioned that most nonprofits will never be able to match the pay of the private sector and therefore should focus their attention on benefits packages, incentives and implementing pleasurable work environments. A good environment is ranked higher than salary and pressure of work. NPOs are encouraged to pay as much as they are able and offer

2013-677: The center of this open space was nicknamed "Cafe Ground Zero". During the September 11 attacks in 2001, two aircraft were hijacked by 10 al-Qaeda terrorists and were flown into the Twin Towers of the World Trade Center in New York City , causing massive damage and starting fires that caused the weakened 110-story skyscrapers to collapse . The destroyed World Trade Center site soon became known as "ground zero". Rescue workers also used

2074-491: The center'), also called ground zero or surface zero , is the point on the Earth 's surface directly below a nuclear explosion , meteor air burst , or other mid-air explosion. In seismology , the hypocenter of an earthquake is its point of origin below ground; a synonym is the focus of an earthquake. Generally, the terms ground zero and surface zero are also used in relation to epidemics , and other disasters to mark

2135-529: The centre is the definitive compilation of earthquake information and the readings on which they are based. Collection of reports of earthquake effects is also an important part of its operation and the Centre recomputes the location and occurrence time of earthquakes worldwide, making use of all available information. Since 1957 the manipulation of the large volume of data has been mainly carried out by computer. Up until then ISS locations were determined manually with

2196-565: The community; for example aid and development programs, medical research, education, and health services. It is possible for a nonprofit to be both member-serving and community-serving. Nonprofit organizations are not driven by generating profit, but they must bring in enough income to pursue their social goals. Nonprofits are able to raise money in different ways. This includes income from donations from individual donors or foundations; sponsorship from corporations; government funding; programs, services or merchandise sales, and investments. Each NPO

2257-402: The diversity of their funding sources. For example, many nonprofits that have relied on government grants have started fundraising efforts to appeal to individual donors. Most nonprofits have staff that work for the company, possibly using volunteers to perform the nonprofit's services under the direction of the paid staff. Nonprofits must be careful to balance the salaries paid to staff against

2318-432: The election of the board, there are few inherent safeguards against abuse. A rebuttal to this might be that as nonprofit organizations grow and seek larger donations, the degree of scrutiny increases, including expectations of audited financial statements. A further rebuttal might be that NPOs are constrained, by their choice of legal structure, from financial benefit as far as distribution of profit to members and directors

2379-475: The establishment and management of NPOs and that require compliance with corporate governance regimes. Most larger organizations are required to publish their financial reports detailing their income and expenditure publicly. In many aspects, they are similar to corporate business entities though there are often significant differences. Both not-for-profit and for-profit corporate entities must have board members, steering-committee members, or trustees who owe

2440-400: The final editing of events large enough to be detected by several independently operated networks is always carried out by seismologists who scrutinise the output for unlikely events and chance misassociation of readings. During analysis the computer program first groups origin estimates from different agencies and then associates the individual station readings with the most likely event. In

2501-408: The help of a large globe. The ISC now uses a network of workstations accessing a relational database of nearly 50 Gbytes of online data. The analysis of the earthquake data is undertaken in monthly batches and begins after at least 18 months to allow the information used to be as complete as possible. Although much of the work would be impossible without the centre's large suite of computer programs,

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2562-609: The hypocenter of the attack was Shima Hospital , approximately 800 ft (240 m) away from the intended aiming point at Aioi Bridge . During the Cold War , the Pentagon (headquarters of United States Department of Defense in Arlington County, Virginia ) was an assured target in the event of nuclear war . The open space in the center of the Pentagon became known informally as ground zero. A snack bar that used to be located at

2623-466: The hypocenters of foreshocks, main shock, and aftershocks of earthquakes allows the three-dimensional plotting of the fault along which movement is occurring. The expanding wavefront from the earthquake's rupture propagates at a speed of several kilometers per second; this seismic wave is what is measured at various surface points in order to geometrically determine an initial guess as to the hypocenter. The wave reaches each station based upon how far away it

2684-432: The local laws, charities are regularly organized as non-profits. A host of organizations may be nonprofit, including some political organizations, schools, hospitals, business associations, churches, foundations, social clubs, and consumer cooperatives. Nonprofit entities may seek approval from governments to be tax-exempt , and some may also qualify to receive tax-deductible contributions, but an entity may incorporate as

2745-511: The money paid to provide services to the nonprofit's beneficiaries. Organizations whose salary expenses are too high relative to their program expenses may face regulatory scrutiny. A second misconception is that nonprofit organizations may not make a profit. Although the goal of nonprofits is not specifically to maximize profits, they still have to operate as a fiscally responsible business. They must manage their income (both grants and donations and income from services) and expenses so as to remain

2806-445: The nonprofit sector today regarding newly graduated workers, and to some, NPOs have for too long relegated hiring to a secondary priority, which could be why they find themselves in the position many do. While many established NPOs are well-funded and comparative to their public sector competitors, many more are independent and must be creative with which incentives they use to attract and maintain people. The initial interest for many

2867-411: The organization a fiduciary duty of loyalty and trust. A notable exception to this involves churches , which are often not required to disclose finances to anyone, including church members. In the United States, nonprofit organizations are formed by filing bylaws, articles of incorporation , or both in the state in which they expect to operate. The act of incorporation creates a legal entity enabling

2928-452: The organization to be treated as a distinct body (corporation) by law and to enter into business dealings, form contracts, and own property as individuals or for-profit corporations can. Nonprofits can have members, but many do not. The nonprofit may also be a trust or association of members. The organization may be controlled by its members who elect the board of directors , board of governors or board of trustees . A nonprofit may have

2989-508: The organization's sustainability. An advantage of nonprofits registered in the UK is that they benefit from some reliefs and exemptions. Charities and nonprofits are exempt from Corporation Tax as well as the trustees being exempt from Income Tax. There may also be tax relief available for charitable giving, via Gift Aid, monetary donations, and legacies. Founder's syndrome is an issue organizations experience as they expand. Dynamic founders, who have

3050-585: The point of the most severe damage or destruction. The term is distinguished from the term zero point in that the latter can also be located in the air, underground, or underwater. The term "ground zero" originally referred to the hypocenter of the Trinity test in Jornada del Muerto desert near Socorro, New Mexico , and the atomic bombings of Hiroshima and Nagasaki in Japan . The United States Strategic Bombing Survey of

3111-550: The public and private sectors have enjoyed an advantage over NPOs in attracting employees. Traditionally, the NPO has attracted mission-driven individuals who want to assist their chosen cause. Compounding the issue is that some NPOs do not operate in a manner similar to most businesses, or only seasonally. This leads many young and driven employees to forego NPOs in favor of more stable employment. Today, however, nonprofit organizations are adopting methods used by their competitors and finding new means to retain their employees and attract

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3172-483: The receipt of significant funding from large for-profit corporations can ultimately alter the NPO's functions. A frequent measure of an NPO's efficiency is its expense ratio (i.e. expenditures on things other than its programs, divided by its total expenditures). Competition for employees with the public and private sector is another problem that nonprofit organizations inevitably face, particularly for management positions. There are reports of major talent shortages in

3233-426: The sector in its own terms, without relying on terminology used for the government or business sectors. However, use of terminology by a nonprofit of self-descriptive language that is not legally compliant risks confusing the public about nonprofit abilities, capabilities, and limitations. Hypocenters A hypocenter or hypocentre (from Ancient Greek ὑπόκεντρον ( hupókentron )  'below

3294-558: The sector. The term civil society organization (CSO) has been used by a growing number of organizations, including the Center for the Study of Global Governance . The term citizen sector organization (CSO) has also been advocated to describe the sector – as one of citizens, for citizens – by organizations including Ashoka: Innovators for the Public . Advocates argue that these terms describe

3355-493: The site labeled it the " Ground Zero mosque ". In advance of the 10th anniversary of the attacks, New York City mayor Michael Bloomberg urged that the "ground zero" moniker be retired, saying, "…the time has come to call those 16 acres [6.5 hectares] what they are: The World Trade Center and the National September 11th Memorial and Museum." The hypocenter of a meteor air burst , an asteroid or comet that explodes in

3416-520: The term "The Big Momma!", referring to the pile of rubble that was left after the buildings collapsed. Even after the site was cleaned up and construction on the new One World Trade Center and the National September 11 Memorial & Museum were well under way, the term was still frequently used to refer to the site, as when opponents of the Park51 project that was to be located two blocks away from

3477-486: The traditional domain noted in RFC   1591 , .org is for "organizations that didn't fit anywhere else" in the naming system, which implies that it is the proper category for non-commercial organizations if they are not governmental, educational, or one of the other types with a specific TLD. It is not designated specifically for charitable organizations or any specific organizational or tax-law status, but encompasses anything that

3538-482: The use of the term in a 1946 New York Times report on the destroyed city of Hiroshima , defines ground zero as "that part of the ground situated immediately under an exploding bomb, especially an atomic one." The term was military slang, used at the Trinity site where the weapon tower for the first nuclear weapon was at "point zero", and moved into general use very shortly after the end of World War II . At Hiroshima,

3599-546: The world, and particularly to handle increased flow of data from the World-Wide Standard Seismograph Network (WWSSN), also established that year. The ISC considers its prime task to be the collection and re-analysis of all available earthquake seismic date in order to produce definitive data on earthquakes. The ISC's catalog is considered "the most complete and authoritative final depository of global earthquake parameter data." The main scientific goal of

3660-427: Was from the hypocenter. A number of things need to be taken into account, most importantly variations in the waves speed based upon the materials that it is passing through. With adjustments for velocity changes, the initial estimate of the hypocenter is made, then a series of linear equations is set up, one for each station. The equations express the difference between the observed arrival times and those calculated from

3721-559: Was more populated than that of Tunguska, resulting in civil damage and injury, mostly from flying glass shards from broken windows. An earthquake's hypocenter or focus is the position where the strain energy stored in the rock is first released, marking the point where the fault begins to rupture. This occurs directly beneath the epicenter , at a distance known as the hypocentral depth or focal depth . The focal depth can be calculated from measurements based on seismic wave phenomena. As with all wave phenomena in physics , there

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