World Data Center for Seismology, Denver and International Seismological Centre
International Registry of Seismograph Stations
Seismograph Station Codes Listed Alphabetically: U
UALR University of Arkansas, Little Rock
34.7753 -92.3436 138.0
Network: SLM
Status: Open
Arkansas, U.S.A.
opened 1999? BB station.
UAV Universidad de los Andes (Mérida)
8.6100 -71.1447 1600.0
Network: UAV
Status: Open
Mérida, Venezuela
opened 19690801. Sent to NEIS by CAR.
CAR code ULAV.
UAV1 Merida network
Network: UAV
Status: Reserved
Venezuela
UAV2 Merida network
Network: UAV
Status: Reserved
Venezuela
UBBA Unterbreizbach
50.8188 10.0010 -526.4
Network: BGRD
Status: Open
Thuringen, Germany
opened 20030421.
UBC University of British Columbia
Status: Network/Other
UBIC Univ. de Barcelona i Institut d'Estudis Catalans
Status: Network/Other
ubmr (Local code. See International code BMRR.)
UBO Uinta Basin Array
40.3217 -109.5687 1596.0
Network: SLC
Status: Closed
Uintah County, Utah, U.S.A.
197004-197309.
UBR Überruh
47.6808 10.1081 895.0
Network: FBB
Status: Open
Baden-Württemberg, Germany
opened 19940601.
ubr (Local code. See International code OBM.)
UCC Uccle
50.7983 4.3594 105.0
Network: UCC
Status: Open
Belgium
opened 1904. BB opened 199804.
UCCT University of Connecticut, Storrs
41.7943 -72.2255 223.0
Status: Open
Connecticut, U.S.A.
opened 20050113. LCSN BB station.
UCH Uchtor
42.2275 74.5134 3850.0
Network: KYRG
Status: Open
Kyrgyzstan
KNET opened 199109.
UCN Ubehebe Crater
Status: Reserved
Inyo County, California, U.S.A.
UCR Universidad de Costa Rica, San Jose
Status: Network/Other
UCT University of Connecticut (Storrs)
41.8317 -72.2506 149.0
Network: WES
Status: Closed
Connecticut, U.S.A.
19741105-1992? USTN 19770629-19780706.
UDD Uddeholm
60.0900 13.6067 240.0
Network: UPP
Status: Open
Sweden
opened 1967. BB opened 199901.
UDEC Universidad de Concepcion, Chile
Status: Network/Other
UDI Udine OGS
46.0650 13.2367 112.0
Network: TRI
Status: Open
Friuli-Venezia Giulia, Italy
opened 19770624.
UDN Udine
46.0631 13.2378 100.0
Network: ROM
Status: Closed
Friuli-Venezia Giulia, Italy
19760601-1978.
UDO Universidad de Oriente, Cumaná
Status: Network/Other
Sucre, Venezuela
UDP Udhampur
32.9017 75.0800 0.0
Network: NDI
Status: Open
Jammu and Kashmir, India
opened before 1997.
UDU Udu Point (Undu Point)
-16.1521 -179.9880 170.0
Network: SVA
Status: Open
Fiji
opened 198111.
UDYN Al `Udayn
13.9667 43.9917 1280.0
Network: DHMR
Status: Open
Yemen
opened 1994. Elev. added 20050607.
UER Ust'-Elegest
51.5630 94.0870 660.0
Network: ASRS
Status: Closed
Tyva, Russia
19610901-1996. Coords corrected 20000122.
UFA Ufa
54.8000 56.0000 0.0
Status: Reserved
Bashkortostan, Russia
Location uncertain.
UFRS Pôrto Alegre
-30.0540 -51.1244 296.0
Network: VAO
Status: Open
Rio Grande do Sul, Brazil
opened 199404.
UGI Ugak Island
57.3945 -152.2817 213.0
Network: GIA
Status: Closed
Kodiak Island, Alaska, U.S.A.
UGK Ugakei
35.0967 136.4729 290.0
Network: NGY
Status: Open
Mie, Honshu, Japan
opened 197804.
UGL Uglegorsk
49.0780 142.0660 40.0
Network: SKHL
Status: Open
Sakhalinskaya Oblast', Russia
opened 1950. Coords corrected >1 km 20000123.
UGLR Uglovaya
53.2089 158.8239 1140.0
Network: KRSC
Status: Open
Kamchatskaya Oblast', Russia
opened 199208.
UGM Wanagama
-7.9125 110.5231 350.0
Status: Open
Jawa, Indonesia
opened 19960822.
UGO Universidad de Guanajuato
21.0170 -101.2555 0.0
Network: UNM
Status: Reserved
Guanajuato, Mexico
proposed MNSN station.
UGRT Union Grove
35.6109 -84.1170 302.0
Status: Open
Tennessee, U.S.A.
opened 19831105.
UHA Ushuaia
Network: SJA
Status: Reserved
Tierra del Fuego, Argentina
UJI Uji
34.8666 135.8269 290.0
Network: KYT
Status: Open
Kyoto, Honshu, Japan
opened 19750414.
UJZ
15.0750 -92.0833 0.0
Network: UNM
Status: Closed
Chiapas, Mexico
closed before 199911.
UK- (Alternate abbreviation for UK-OR.)
Oregon, U.S.A.
UK-OR Ukiah
45.0931 -118.8986 1311.0
Network: LRSM
Status: Closed
Oregon, U.S.A.
19630208-19630301.
UKAQ Ukalunda
-20.8976 147.1274 250.0
Network: MEL
Status: Open
Queensland, Australia
opened 19840328.
UKI Ukiah
39.1372 -123.2106 199.0
Network: NEIC
Status: Open
Mendocino County, California, U.S.A.
opened 193109.
UKL Ugashik Lake
57.4017 -156.8550 410.0
Network: GIA
Status: Closed
Alaska Peninsula, Alaska, U.S.A.
opened 197510.
UKR Ust'-Kan
50.9370 84.7730 1100.0
Network: ASRS
Status: Open
Respublika Altay, Russia
opened 19621209. Coords corrected >2 km 20000122.
OBN code USK.
UKT Uakit
55.4889 113.6269 1140.0
Network: BYKL
Status: Open
Buryatiya, Russia
opened 1962. Coords corrected >2 km 20000122.
Coords corrected >1 km 20011125.
UKTR Uchkent
43.1139 47.0806 120.0
Network: DRS
Status: Open
Dagestan, Russia
opened 20000809.
ULA Ulamona
-5.0064 151.2556 10.0
Network: RAB
Status: Closed
New Britain, Papua New Guinea
closed 1971; 197612-19811208.
ulav (Local code. See International code UAV.)
ULBA Ulba
-1.4493 -78.4077 2960.0
Network: QUI
Status: Open
Ecuador
opened 2000?
ULC Ulcinj
41.9634 19.2497 465.0
Network: PDG
Status: Open
Montenegro
opened 19821225.
ULDT Uludag
40.1422 29.1361 1734.0
Network: DDA
Status: Open
Turkey
opened 199604.
ULE University of Leeds, Yorkshire, UK
Status: Network/Other
ULG Ulaangom
49.9600 92.0600 980.0
Network: OBM
Status: Open
Mongolia
ULHL Ulahol
42.2456 76.2417 2040.0
Network: KYRG
Status: Open
Kyrgyzstan
KNET opened after 199109?
ulj (Local code. See International code KSULJ.)
ull (Local code. See International code KSULL.)
ULM Lac du Bonnet
50.2497 -95.8750 281.0
Network: OTT
Status: Open
Manitoba, Canada
opened 19840904. ECTN 19840904-19941206.
CNSN opened 19941207.
ULN Ulaanbaatar
47.8652 107.0528 1615.0
Network: OBM
Status: Open
Mongolia
opened 19941031.
ULO Ulamona
-5.0590 151.3030 980.0
Network: RAB
Status: Open
New Britain, Papua New Guinea
opened 19811209.
uls (Local code. See International code KSULS.)
UMAU Umeå
63.8829 20.6779 20.0
Network: UPP
Status: Open
Sweden
opened 20020113. Sweden SNSN station.
UMB Umberatana
-30.2400 139.1281 610.0
Network: ADE
Status: Closed
South Australia, Australia
196706-199002.
UME Umeå
63.8150 20.2367 16.0
Network: UPP
Status: Closed
Sweden
19620125-20020113. BB 199901-20020113.
UMI
25.5167 92.7333 0.0
Network: JHI
Status: Open
Assam, India
UMJ Umaji
33.5462 134.0470 320.0
Network: URS
Status: Open
Kochi, Shikoku, Japan
opened 197204.
umj (Local code. See International code UMJE.)
UMJE Umejima
35.1928 138.4979 250.0
Network: ERIJ
Status: Reserved
Yamanashi, Honshu, Japan
opened 197806. ERIJ code UMJ.
UMJS Umm Lajj
25.2340 37.3119 130.0
Network: SNSN
Status: Open
Saudi Arabia
opened 19980518.
umm (Local code. See International code EMMW.)
UMR Umm ar Rimam
29.5519 47.7158 82.0
Network: KISR
Status: Open
Kuwait
UMS Upper Santa Misericordia
13.2480 123.7320 330.0
Network: PIVS
Status: Open
Luzon, Philippines
opened 199906.
UMT Umtata
-31.5833 28.7550 800.0
Network: PRE
Status: Closed
Eastern Cape, South Africa
198808-before 199410.
UNA Unalaska
53.8733 -166.5333 0.0
Network: USGS
Status: Closed
Aleutian Islands, Alaska, U.S.A.
19540406-19560910.
UNAH Universidad Nacional Autonoma de Honduras
14.0750 -87.1750 1020.0
Network: UNAH
Status: Open
Honduras
UNAM Universidad Nacional Autónoma de México
Status: Network/Other
Distrito Federal, Mexico
UNB University of New Brunswick (Fredericton)
45.7795 -66.6442 64.0
Network: OTTR
Status: Open
New Brunswick, Canada
opened 19710401.
UNCR Uncukul
42.7139 46.7944 650.0
Network: DRS
Status: Open
Dagestan, Russia
opened 19840201.
UNJ University of Jordan, Amman
32.0158 35.8708 1050.0
Status: Open
Jordan
opened 198106.
UNK (phase code designation)
Status: Network/Other
UNL Unalakleet
63.8933 -160.6867 91.0
Network: GIA
Status: Closed
Western Alaska, Alaska, U.S.A.
UNM Universidad Nacional Autónoma de México (UNAM)
19.3290 -99.1780 2257.0
Network: UNM
Status: Open
Distrito Federal, Mexico
opened 196706. GEOS opened 19900607. MNSN code
CUIG. UNM code GEOS. SH_ pos. 19.3258N, 99.1762W.
UNR Ust'-Nera
64.5700 143.2283 485.0
Network: YARS
Status: Open
Sakha, Russia
opened 1961. Coords corrected >2 km 20000125.
Coords corrected >3 km 20011127. OBN code USN.
UNV Unalaska Valley
53.8465 -166.5020 67.0
Network: GIA
Status: Open
Aleutian Islands, Alaska, U.S.A.
GFON 19940912-before 1995? GIA opened 19990219.
UNZ Unzendake
32.7400 130.2650 678.0
Network: JMA
Status: Open
Nagasaki, Kyushu, Japan
JMA code UNZEND.
unzend (Local code. See International code UNZ.)
UOA University of Arizona
32.2331 -110.9528 741.0
Status: Closed
Arizona, U.S.A.
197204-spring 1974.
UOCO University of Cincinnati
39.1400 -84.5220 226.0
Network: OGSO
Status: Reserved
Ohio, U.S.A.
UON La Unión
17.9700 -101.8150 0.0
Network: UNM
Status: Closed
Guerrero, Mexico
closed before 199911.
UPA Universidad de Panamá
8.9810 -79.5338 41.4
Network: UPA
Status: Open
Panama
opened 198308. UNM code UPIG.
UPC Úpice
50.5074 16.0121 416.0
Network: GFU
Status: Open
Czech Republic
opened 1983. digital opened 20010531.
UPD1 Universidad de Panamá en Metetí, Darién
8.5487 -78.0135 74.0
Network: UPA
Status: Open
Panama
opened 20050215.
UPE (keyword for telegraphic format)
Status: Network/Other
UPI Upington
-28.3619 21.2527 845.0
Network: PRE
Status: Open
Northern Cape, South Africa
opened 199305.
upig (Local code. See International code UPA.)
UPM Unac-Piva
43.2029 18.9100 1721.0
Network: PDG
Status: Open
Montenegro
opened 20030711.
UPN (keyword for telegraphic format)
Status: Network/Other
UPNG Upernavik
72.7848 -56.1408 110.0
Network: OTT
Status: Open
Greenland
opened 20000719. BB station.
UPP Uppsala
59.8583 17.6267 14.0
Network: UPP
Status: Open
Sweden
opened 1904. BB opened 1989.
UPS University of Puget Sound
47.2639 -122.4836 113.0
Network: SEA
Status: Open
Washington, U.S.A.
opened 199701. SM station.
UPZ (keyword for telegraphic format)
Status: Network/Other
UQSK `Uqlat as Suqur
25.7890 42.3600 950.0
Network: RYD
Status: Open
Saudi Arabia
opened 19900523.
URA Urakawa
42.1583 142.7800 30.0
Network: JMA
Status: Open
Hidaka, Hokkaido, Japan
JMA code URAKAW.
URA3 Urakawa 3
42.2428 142.6672 30.0
Network: JMA
Status: Open
Hidaka, Hokkaido, Japan
opened 19931210. JMA code URAKA3.
Coords corrected >3 km 20031118.
URAJ Urakawa 2
42.2247 142.7050 40.0
Network: JMA
Status: Open
Hidaka, Hokkaido, Japan
opened 19910607. JMA code URAKA2.
uraka2 (Local code. See International code URAJ.)
uraka3 (Local code. See International code URA3.)
urakaw (Local code. See International code URA.)
URCR
1.2195 -77.3432 3494.0
Status: Open
Colombia
UVC code UREW and URNS.
ureshi (Local code. See International code JUR.)
urew (Local code. See International code URCR.)
URFA Sanliurfa (Urfa)
37.4410 38.8213 938.0
Network: ISK
Status: Open
Turkey
opened 200409? BB station.
URG Urgal
51.0986 132.3639 0.0
Network: RMOD
Status: Reserved
Khabarovskiy Kray, Russia
URH Urahoro
42.9270 143.6744 120.0
Network: HSS
Status: Open
Tokachi, Hokkaido, Japan
URKR Urkarakh
42.1656 47.6333 1300.0
Network: DRS
Status: Open
Dagestan, Russia
opened 199802.
urns (Local code. See International code URCR.)
URS Ugurusu
33.5376 133.4886 25.0
Network: URS
Status: Open
Kochi, Shikoku, Japan
opened 19570601.
urs (Local code. See International code URSC.)
URSC Urasca
9.8350 -83.7782 1500.0
Network: UCR
Status: Open
Costa Rica
opened after 198812. UCR code URS.
URT Uroteppa (Ura-Tyube)
39.9167 69.0167 0.0
Network: TAJK
Status: Open
Tajikistan
opened 1970.
URVA University of Richmond
37.5709 -77.5357 49.0
Network: BLA
Status: Open
Virginia, U.S.A.
opened 20060220.
URZ Urewera
-38.2603 177.1103 100.0
Network: WEL
Status: Open
North Island, New Zealand
opened 19901009.
USA Tunal
Network: SJA
Status: Reserved
Salta, Argentina
USA0 Ussuriysk Array Site A0
Network: RIPT
Status: Reserved
Primorskiy Kray, Russia
USA1 Ussuriysk Array Site A1
Network: RIPT
Status: Reserved
Primorskiy Kray, Russia
USA2 Ussuriysk Array Site A2
Network: RIPT
Status: Reserved
Primorskiy Kray, Russia
USA3 Ussuriysk Array Site A3
Network: RIPT
Status: Reserved
Primorskiy Kray, Russia
USAF US Air Force Technical Applications Center
Status: Network/Other
USAV USGS Alaska Volcano Observatory
Status: Network/Other
USAVO USGS Alaska Volcano Observatory
Status: Network/Other
USB (magnitude source code for USBR)
Status: Network/Other
USB1 Ussuriysk Array Site B1
Network: RIPT
Status: Reserved
Primorskiy Kray, Russia
USB2 Ussuriysk Array Site B2
Network: RIPT
Status: Reserved
Primorskiy Kray, Russia
USB3 Ussuriysk Array Site B3
Network: RIPT
Status: Reserved
Primorskiy Kray, Russia
USB4 Ussuriysk Array Site B4
Network: RIPT
Status: Reserved
Primorskiy Kray, Russia
USB5 Ussuriysk Array Site B5
Network: RIPT
Status: Reserved
Primorskiy Kray, Russia
USBR U.S. Bureau of Reclamation, Denver
Status: Network/Other
USC University of Southern California
34.0192 -118.2860 17.0
Network: USC
Status: Open
Los Angeles County, California, U.S.A.
197102-197108; reopened 199301. TERA opened
19930217. Coords corrected slightly 20030103.
USHA Ushuaia
-54.8320 -68.4343 107.0
Network: SJA
Status: Open
Tierra del Fuego, Argentina
opened 200311. IMS BB station.
USHU Ushuaia
-54.8433 -68.5569 12.0
Status: Reserved
Tierra del Fuego, Argentina
Sent to NEIC by TRI.
USI Ustica
38.7079 13.1791 285.0
Network: ROM
Status: Open
Sicilia, Italy
opened 198210. Coords corrected slightly 20020122.
USIL Lacq--Usine
43.4169 -0.6380 95.0
Network: STR
Status: Open
Aquitaine, France
ReNaSS station.
USIN University of Southern Indiana
37.9651 -87.6660 170.7
Network: SLM
Status: Open
Indiana, U.S.A.
opened 2003? BB station.
USK Ussuryisk
44.2833 132.0831 0.0
Network: RIPT
Status: Open
Primorskiy Kray, Russia
usk (Local code. See International code UKR.)
USL Ugashik Lake
57.3983 -157.0300 500.0
Network: GIA
Status: Closed
Alaska Peninsula, Alaska, U.S.A.
USMR Ust'-Maya
60.4200 134.5400 170.0
Network: YARS
Status: Open
Sakha, Russia
opened 20000901.
usn (Local code. See International code UNR.)
USNN U.S. National (broadband) Seismic Network, Golden
Status: Network/Other
USO Ust'-Omchug
61.1500 149.6333 0.0
Network: NERS
Status: Closed
Magadanskaya Oblast', Russia
closed before 1990.
USP Öspenovka (Uspenovka)
43.2669 74.4997 740.0
Network: KYRG
Status: Open
Zhambyl, Kazakhstan
KNET opened 199109.
USRK Ussuriysk Array
44.2000 132.0000 0.0
Network: RIPT
Status: Reserved
Primorskiy Kray, Russia
proposed IMS array. coords are approximate.
USTN USGS National Telemetered Network, Golden
Status: Network/Other
USTO Oran
35.7000 -0.5722 405.0
Network: ALG
Status: Open
Algeria
coords corrected 20030405.
USTOP (keyword for telegraphic format)
Status: Network/Other
USZ Ust'-Nyukzha
56.5617 121.5917 415.0
Network: YARS
Status: Open
Amurskaya Oblast', Russia
opened 1962. Coords corrected >1 km 20011127.
UTF Valparaiso
-33.0350 -71.6042 50.0
Status: Open
Valparaíso, Chile
opened 19760415.
UTLO University of Toledo
41.6590 -83.6180 178.0
Network: OGSO
Status: Reserved
Ohio, U.S.A.
If not UTO.
UTM University of Tennessee at Martin
36.2900 -88.9410 108.0
Status: Closed
Tennessee, U.S.A.
19820812-1985. Station moved to UTMA.
UTMA University of Tennessee at Martin
36.2930 -88.9760 108.0
Status: Open
Tennessee, U.S.A.
opened 198511. Station moved from UTM.
UTMT University of Tennessee at Martin
36.3423 -88.8642 120.0
Network: SLM
Status: Open
Tennessee, U.S.A.
opened 19980612. USTN opened 199904. BB station.
UTO University of Toledo
41.6619 -83.5743 179.0
Network: OGSO
Status: Open
Ohio, U.S.A.
opened 19771220.
UTS Utsunomiya (Utunomiya)
36.5433 139.8717 120.0
Network: JMA
Status: Open
Tochigi, Honshu, Japan
moved 193501. JMA code UTSUNO.
UTSU Utsunomiya
36.5470 139.9171 110.0
Network: UTSU
Status: Open
Tochigi, Honshu, Japan
opened 196202. UTSU code UTU.
utsuno (Local code. See International code UTS.)
UTT Tea Tree Gully
-34.8215 138.7367 300.0
Network: ADE
Status: Open
South Australia, Australia
opened 1995.
UTU Utuhina
-38.1775 176.1922 410.0
Network: WELR
Status: Open
North Island, New Zealand
opened 198607.
utu (Local code. See International code UTSU.)
UVA Dutch Harbor
Status: Reserved
Aleutian Islands, Alaska, U.S.A.
UVC Universidad del Valle, Cali
Status: Network/Other
Colombia
UVI Uvira
-3.4000 29.1167 950.0
Network: LWI
Status: Open
Congo (Kinshasa)
1955-1964. reopened 1991.
UVN Unionville
40.4423 -118.1583 1926.0
Network: REN
Status: Closed
Nevada, U.S.A.
19640913-196912.
UVN1 Unionville
40.4500 -118.1500 1870.0
Network: REN
Status: Closed
Nevada, U.S.A.
from ISC list; data reported 196504-196805.
UVO Usu Kazan Kan
42.5569 140.8457 143.0
Network: HSS
Status: Open
Iburi, Hokkaido, Japan
opened 19770901.
UWA Uwajima (Uwazima)
33.2250 132.5583 43.0
Network: JMA
Status: Open
Ehime, Shikoku, Japan
JMA code UWAJIM.
UWA2 Uwajima 2 (Hiromi)
33.2137 132.6245 450.0
Network: JMA
Status: Open
Ehime, Shikoku, Japan
opened 19930201. JMA code UWAJI2.
uwaji2 (Local code. See International code UWA2.)
uwajim (Local code. See International code UWA.)
UWE Uwekahuna
19.4233 -155.2933 1240.0
Network: HVO
Status: Open
Hawai`i, Hawaii, U.S.A.
opened 1930.
UWL Utowana Lake
43.8378 -74.5433 561.0
Network: PAL
Status: Closed
New York, U.S.A.
197407-1981.
UWM University of Wisconsin at Milwaukee
43.0795 -87.8784 204.0
Status: Open
Wisconsin, U.S.A.
opened 197209.
UWOO University of Western Ontario
43.0110 -81.2724 248.0
Network: POLR
Status: Closed
Ontario, Canada
20020226-20020508. BB station.
uxl (Local code. See International code HVO.)
UYO Union Valley
34.1667 -94.4588 231.0
Network: TUL
Status: Open
Oklahoma, U.S.A.
opened 19890415.
UZBK Institute of Seismology, Uzbekistan
Status: Network/Other
UZD Úzd
46.5925 18.5818 207.0
Network: BUD
Status: Open
Hungary
opened 1987.
UZH Uzhhorod (Uzhgorod, Unuar)
48.6310 22.2930 160.0
Network: LVV
Status: Open
Ukraine
opened 1951. Coords corrected 20000115. Sent to
NEIS by OBN.
UZT Uzuto
34.5817 133.1427 230.0
Network: ERIJ
Status: Closed
Hiroshima, Honshu, Japan
19700202-19711201.
UZU Üzümlü
39.7086 39.6981 1500.0
Network: ISK
Status: Open
Turkey
Inquiries should be directed to: Julie Martinez jmartinez@usgs.gov