Code	Catalog Name	Time Interval	Number of Events	Volume in Mb
ABE	Catalog of large earthquakes from Abe (1981, 1982, 1984); Abe and Kanamori (1979); and Abe and Noguchi (1983a,b). Most earthquakes are of magnitude 6.8 and larger, though some smaller (down to magnitude 6) earthquakes are cataloged.	1897 - 1980	1614	0.2
BCIS	Catalog of earthquakes listed in the publications of the Bureau Central International Seismologique (BCIS). The level of completeness of this catalog is highly uncertain; numerous earthquakes listed in the publications of the BCIS are not listed in this catalog, and there is no duplication of the BCIS listings and ISS (see below) listings for the same time-periods. It is possible that the BCIS listings were originally intended to fill in gaps in the ISS listing. The file was created in the earliest years of the data base. The file was supplied by NOAA (Rinehart and others, 1985).	1935, 1950-1975	6444	0.8
BDA	Catalog of large earthquakes, compiled by Bath and Duda (1979). File supplied by NOAA (Rinehart and others, 1985).	1897 - 1977	1489	0.2
GREAT	Catalog of great (magnitude 7.9 and larger) earthquakes, from Kanamori (1977).	1904 - 1977	75	0.001
GUTE	Catalog of hypocenters and magnitudes listed in Gutenberg and Richter (1954).	1904 - 1952	4158	0.5
ISS	Epicenters listed in the International Seismological Summaries, (ISS), from a tape prepared by the International Seismological Centre, Newbury, United Kingdom.	1913 - 1963	17868	2.1
ISSN	Epicenters from the International Seismological Summaries, (ISS), Newbury, United Kingdom. The epicenters have been modified by NOAA with the addition of some magnitudes. Some earthquakes listed in this catalog may duplicate those earthquakes found in the ISS Catalog. Catalog supplied by NOAA (Rinehart and others, 1985).	1918 - 1959	16311	1.9
P & S	A world-wide seismic moment catalog of earthquakes, (Pacheco and Sykes, 1992). The catalog lists earthquakes with Ms magnitudes of 7.0 and larger and with depths less than or equal to 60 km. The selected events were taken from the Abe Catalogs (1981, 1984), and from the Abe and Noguchi Catalog (1983).	1900 - 1989	697	0.08
PDE	Catalog of earthquakes located by the USGS NEIC and its predecessors in the U.S. Coast and Geodetic Survey the National Ocean Survey, and the Environmental Research Laboratories of the Department of Commerce. Listings are in most cases the final hypocenters and magnitudes of the USGS NEIC which are listed in the Geological Survey publication, "Preliminary Determination of Epicenters - Monthly Listing". The global catalog includes events occurring from 1868 - 1992. It is the principal component of the data base. There are gaps in the temporal and geographic coverage of the catalog. To get as complete coverage as possible for a given area, the user should search other catalogs that cover the time and area of interest. Part of the catalog (priorto 1982) was supplied by NOAA (Rinehart and others, 1985).	1868 - 1992	263747	30.9
SYKES	List of hypocenters and magnitudes from papers by Sykes (1963, 1965, 1966, 1977) Sykes and Ewing (1964), and Sykes and Landisman (1964) . Catalog supplied by NOAA (Rinehart and others, 1985).	1923 - 1970	892	0.1

AUSTRALIA AND OCEANIA

Code	Catalog Name	Time Interval	Number of Events	Volume in Mb
WDS	Catalog of earthquakes occurring in New Zealand, described by Smith (1976). Catalog supplied˙by NOAA (Rinehart and others, 1985).	1460-1977	16898	2.0

AFRICA

Code	Catalog Name	Time Interval	Number of Events	Volume in Mb
AMB	Catalog of earthquakes occurring in the Sudan, from Ambraseys and Adams (1986a).	742-1981	91	0.001
ARAB	Catalog of earthquakes occurring in the Middle East, North Africa, and Spain from the VIIth to the XVIIIth century A.D., compiled by from Poirier and Taher (1980) from Arabic documents.	528-1760	159	0.002
WCAFR	Catalog of earthquakes occurring in and off the shore of West Africa between 5 degrees South and 25 degrees North, 20 degrees West and 27 degrees East, (Ambraseys and Adams, 1986b).	1615-1984	123	0.002

EURASIA

Code	Catalog Name	Time Interval	Number of Events	Volume in Mb
ANK	Catalog of earthquakes occurring in Turkey, based on a catalog compiled at Kandilli Observatory, Bogazici University, Istanbul. File supplied by NOAA (Rinehart and others, 1985).	11 - 1975	3620	0.5
ARAB	Catalog of earthquakes occurring in the Middle East, North Africa, and Spain from the VIIth to the XVIIIth century A.D., compiled by from˙ Poirier and Taher (1980) from Arabic documents.	528 - 1760	159	0.02
EC	Catalog of earthquakes of the 13-member European Community plus Austria and Switzerland. The earthquake found in this catalog have intensities greater than or equal to IV. The data was compiled by J.M.Gils and after his death, the data were revised by Dr. Gunter Leydecker of the Federal Institute for Geosciences and Natural Resources, Stilleweg 2, D-3000 Hanover 51, Federal Republic of Germany. The National Catalog source for each earthquake is shown under the Contributed Magnitudes header. The following codes identify the National Catalog: (AUS = Austria), (BEL = Belgium), (SWITZ = Switzerland), (GER = Federal Republic of Germany), (SPAIN = Spain), (FRANC = France), (GRBRT = Great Britain), (GREEK = Greece), (IREL = Ireland), (ITALY = Italy), (NETH = Netherlands), (PORT = Portugal).	-479 - 1983	21386	2.5
EMSC	Catalog of earthquakes occurring in Europe and the Mediterranean region, compiled at the Center Seismologique Euro-Mediterranean (CESM), Strasbourg, France.	1902-1985	11385	1.4
EUR	Catalog of European earthquakes. This catalog is made up of 7 different sub-catalogs. Each contributing sub-catalog is indicated in the authority column by one of the following abreviations: (KR = Kirenes, Norway), (TI = Trieste, Italy; Osservatorio Geofisico Sperimentale), (ZR = Zurich, Switzerland; supplied by D.Mayer-Rosa ETH-Honggerberg), (FR = Federal Republic of Germany; Bundesanstalt fur Geowissenschaften und Rohstoffe, Hanover; Seismologisches Zentralobservatorium, Grafenberg), (FE = Fennoscandia; Bath, 1956; Panasenko, 1977) , (UP = Uppsala, Sweden; 15 events 1957 - 1959; precise source unknown), and (BN = supplied by B. Massinon, Laboratorie de Detection et de Geophysique, France). File supplied by NOAA (Rinehart and others, 1985).	-2100-1982	33335	3.9
FENN	Fennoscandian Earthquake Catalog, compiled from diskettes prepared at the Institute of Seismology, University of Helsinki, Finland (Ahjos and Uski, 1992). The source reference for each earthquake is listed under the Contributed Magnitude header. The source codes are: (AJH = Ahjos, Finland), (AMB = Ambraseys, Norway), (ANA = Ananin and Panasenko, Soviet Union), (BER = Bergen, Norway), (BKH = Norsar, North Sea), (BAT = Bath, Sweden), (COP = Copenhagen, Denmark), (DOS = Doss NW Soviet Union), (DSI = Nikonov and Sildvee [referring to Doss], NW Soviet Union), (ERW = Wahlstrim [referring to Erdmann], Sweden), (EKS = Ekstrim, Finland), (FOA = Slunga, et al., Sweden), (GRE = Gregersen, Denmark), (GUW = Wahlstrim [referring to Gumaelius], Sweden), (HJE = Hjelme, Denmark), (HEL = Helsinki, Finland), (HOL = Holmqvist, Holmqvist and Wahlstrim, Sweden), (IGS = Institute of Geological Sciences, Edinburgh, UK, North Sea), (ISC = International Seismological Center), (IVO = Saari, Finland), (KAR = Karjalainen, Finland), (KAT = Kataja, Finland), (KIM = Kim, et al., Sweden), (KJE = Kjellen, Sweden), (KJW = Wahlstrim, Sweden), (KOL = Kolderup, Sweden), (KON = Kongsberg Seismographic Station, Norway), (KOR = Korhonen, Finland), (KSI = Nikonov and Sildvee, NW Soviet Union), (KVA = Kvale, Norway), (LEH = Lehmann, Denmark), (LIW = Wahlstrim [referring to Nordenstrim], Sweden), (MOS = World Data Center B, Moscow, NW Soviet Union), (MUW = Muir Wood and Woo, Norway), (MUI = Muir Wood et al., Norway), (NAO = Norsar, Norway), (NOW = Wahlstrim [referring to Nordensrim], Sweden), (NSW = Wahlstrim [referring to Nya Sldertalie Tidning], Sweden), (OPT = Optun, Norway), (PAN = Panasenko, NW Soviet Union), (PEN = Penttila, Finland), (POR = Porkka [see Penttila], Finland), (REB = Bath [referring to Renqvist], Sweden and Finland), (REN = Renqvist, Finland), (SEL = Sellevol et al., Norway), (SIL = Nikonov and Sildvee, NW Soviet Union ), (SIW = Wahlstrim [referring to Sidenbladh], Sweden), (SK = Siren and Korollef [see Penttila], Finland), (SLU = Slunga, Sweden), (SVW = Wahlstrim [referring to Svedmark], Sweden), (TOW = Wahlstrim [referring to Tirnebohm], Sweden), (UPP = Uppsala, Sweden), (USGS = U.S.Geological Survey), (VES = Vesanen [see Penttila], Finland), (WAH = Wahlstrim and Ahjos, Sweden and Finland).	1375-1991	5746	0.7
GDR	Earthquake data file for the Territory of the German Democratic Republic (compiled by G.Grunthal) and the Federal Republic of Germany and Adjacent areas (compiled by G.Leydecker). Catalog supplied by (Rinehart and others, 1985).	823 - 1982	1718	0.2
GREEK	Catalog of earthquakes in Greece and surrounding area, compiled by Papazachos and Papazachos (1986).	-550 - 1985	4327	0.5
IGNE	Catalog of Iberia and the Mahgreb, Instituto Geografico Nacional de Espana (Mezcua and Martinez-Solares, 1983). Also includes seismicity of the Azores Fracture Zone.	-880 - 1984	8782	1.03
INDIA	Catalog of earthquakes for the Peninsular India, (Srivastava and Ramachandran, 1985).	1839 - 1900	131	0.02
IPRG	Israel Catalog. The catalog was compiled by the Institute for Petroleum Research and Geophysics, Israel.	1903 - 1984	1111	0.15
ITALY	Catalog of earthquakes occurring in Italy and vicinity, compiled from a tape prepared at the Istituto Nazionale di Geofisica, Rome, Italy.	-1450 - 1984	22499	2.7
JMA	Catalog of felt earthquakes which occurred in the Japan region, prepared from a tape compiled by the Japan Meterological Agency (JMA). Prior to 1885, the number of strong and damaging earthquakes is sketchy.	1715 -1990	107628	12.6
LEE	Catalog of earthquakes occurring in China, (Lee and others, 1976; 1978). Catalog supplied by NOAA (Rinehart and others, 1985).	-1177 - 1976	1144	0.15
MEAST	Catalog of earthquakes occurring in the Middle East, compiled at NOAA (Riad and Meyers, 1985). This catalog covers more than 20 countries, extending from Libya in the west to Pakistan and Afghanistan in the east, Ethiopia and Somalia in the south, and Turkey in the north. Many of the values of specific types of magnitudes are estimated from values of other types of magnitudes or from intensity observations, using equations derived by Riad and Meyers (1985).	1900 - 1983	5026	0.6
MED	Earthquake data file of the Mediterranean and surrounding areas. Catalog prepared from a tape compiled at the University of Thessaloniki, Geophysical Laboratory, 1978.	1901 - 1975	2324	0.3
MOS	Catalog of earthquakes occurring in the USSR, Catalog supplied by NOAA (Rinehart and others, 1985).	1950 - 1961	304	0.05
PEK	This catalog contains eight Chinese shocks that occurred in 1959. This catalog was included in the data base when the data base was first created. Its significance now is not known. Catalog supplied by (Rinehart and others, 1985).	1959 - 1959	8	0.001
ROM	Catalog of earthquakes occurring in Romania, (Constantinescu and Marza, 1980).	984 - 1979	1152	0.15
SSR	Catalog of earthquakes occurring in the U.S.S.R., (Kondorskaya and Shebalin, 1982). The catalog contains data from the revised "New Catalog of Strong Earthquakes in the Territory of the USSR from Ancient Times through 1977". The IPE in the magnitude authority column identifies this catalog. The remaining part of the catalog is taken from the Annual Book, "Earthquakes in the USSR". The authority column identifies the source catalog for each seismic region: (AL = Altai and Sayany); (AT = Antarctica); (AR = Arctic and Chukotka); (BL = Baltic); (BK = Baikal); (CA = Caucasus); (CM = Crimea and Lower Kuban); (CP = Carpathians); (KM = Kamchatka and Komandors); (KL = Kuril Islands); (MA = Central Asia and Kazakhstan); (NT = Northern Tian-Shan); (NE = Northeast of the USSR); (PR = Primor'e and Amur); (SK = Sakhalin); (TR = Turkmenia (Kopetdag); and (YA = Yakutia).	1122 - 1989	128767	15.1

NORTH AMERICA

Code	Catalog Name	Time Interval	Number of Events	Volume in Mb
CDMG	Catalog of earthquakes occurring in California, compiled by Real and others (1978) and Toppozada and others (1984) at the California Division of Mines and Geology. This file includes epicenters from the catalogs of the California Institute of Technology (PAS) and the Seismological Stations of the University of California at Berkeley (BRK).	1796 - 1974	25779	3.02
DNAG	Catalog of North American earthquakes, compiled for the Decade of North American Geology (Engdahl and Rinehart, 1991). The catalog covers the conterminous United States, Alaska (including the Aleutian Islands), Canada, Greenland, Iceland, and Middle America.	1638 - 1985	75067	8.8
EPB	Catalog of Canadian earthquakes, compiled by the Earth Physics Branch (EPB) of Canada, now the Geological Survey of Canada. Also includes earthquakes occurring outside of the Canadian border. Only the prime hypocenters (those selected by EPB/GSC as the best solutions for their earthquakes) are entered into the data base. In some instances (indicated in the authority column), these prime hypocenters may have been computed by an institution other than the EPB/GSC. Hypocenters of felt events and/or events of known magnitudes greater than 0.0 are listed.	1568 - 1992	28243	3.3
EPRI	Catalog of earthquakes of the United States east of the Rocky Mountains, compiled by Electric Power Research Institute. This catalog was compiled from various catalogs. The sources from which some of the listings were taken is shown in the authority column. This catalog is the first attempt; it has been superseded.	1627 - 1985	3460	0.4
JTAK	Catalog of earthquakes occurring in Alaska, including the Aleutian Arc, created by J.N.Taggart of the USGS NEIC.	1786 - 1981	17143	2.01
NEUS	Catalog of earthquakes occurring in the northeastern United States. Contains entries of earthquakes occurring in 1534 - 1984 that were compiled by E.F.Chiburis; most of these are listed in Chiburis (1981) . Also contains entries supplied by Weston Observatory of Boston College for earthquakes occurring in 1979 - 1985. Weston Observatory-computed hypocenters are not included in the data base if they correspond to earthquakes that were not felt and were assigned magnitudes of 1.0 or less.	1534 - 1985	4600	0.6
NEV	Catalog of earthquakes occurring in Nevada. Listings for 1852 - 1962 are from a slightly updated version of the catalog published by Slemmons and others (1965). Listings for 1970 - 1986 are from the Seismological Laboratory of the University of Nevada, Reno.	1852 - 1962 1970-1986	9623	1.2
NGDC	Catalog of earthquakes occurring in Mid-America (Mexico, Central America, and Caribbean regions), compiled at NOAA (Rinehart and others, 1985).	1900 - 1979	130	0.02
SRA	Catalog of earthquakes occurring in the eastern, central, and mountain states of the United States, (Stover and others, 1984). An earlier version of the catalog was developed under the direction of S.T.Algermissen for the lower 48 states; updated and revised files have been published in a series of Miscellaneous Field Studies Maps. The states of California, Oregon, Washington, and Hawaii are not covered in this catalog.	1534 - 1986	11173	1.3
USHIS	A catalog of principal earthquakes in each of the 50 states in the United States, (Stover, C.W. and Coffman, J.W., 1993). The catalog is a history of earthquakes which have magnitudes greater than or equal to 4.5 or have MMI intensities of VI or larger. The magnitude limit was increased to 5.5 in Alaska, and in the off shore areas of California, Oregon, and Washington.	1568 - 1989	4202	0.5
UU	Catalog of earthquakes occurring in and near Utah, 1850 - November 1985, compiled by the University of Utah Seismographic Stations. Earthquakes through June 1978 are listed by Arabasz and others (1979).	1850 - 1985	8435	1.0

SOUTH AMERICA

Code	Catalog Name	Time Interval	Number of Events	Volume in Mb
PERU	Catalog of earthquakes occurring in Peru, (Espinosa and others, 1985). This catalog lists instrumentally recorded earthquakes from various sources. Duplicate earthquake entries have been deleted.	1901 - 1984	5277	0.6
SISRA	Catalog of earthquakes occurring in South America, compiled in the course of the" Programa para la Mitigacion de los Terremotos en la Region Andina", known as project SISRA (Askew and Algermissen, 1985).	1471 - 1981	22307	2.6

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