Magnitude 7.8 RAT ISLANDS, ALEUTIAN ISLANDS, ALASKA
2003 November 17 06:43:07 UTC
Preliminary Earthquake Report
U.S. Geological Survey, National Earthquake Information Center
World Data Center for Seismology, Denver
Magnitude | 7.8 | ||
Date-Time |
Monday, November 17, 2003 at 06:43:07 (UTC) - Coordinated Universal Time Sunday, November 16, 2003 at 08:43:07 PM local time at epicenter Time of Earthquake in other Time Zones |
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Location | 51.13N 178.74E | ||
Depth | 33.0 kilometers | ||
Region | RAT ISLANDS, ALEUTIAN ISLANDS, ALASKA | ||
Reference |
95 km (60 miles) S of Little Sitkin Island, Alaska 105 km (65 miles) SW of Semisopochnoi Island, Alaska 2220 km (1380 miles) WSW of Anchorage, Alaska 3060 km (1900 miles) W of JUNEAU, Alaska |
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Location Quality | Error estimate: horizontal +/- 7.9 km; depth fixed by location program | ||
Location Quality Parameters |
Nst=413, Nph=413, Dmin=327.8 km, Rmss=1.25 sec, Erho=7.9 km, Erzz=0 km, Gp=41.0 degrees | ||
Source | USGS NEIC (WDCS-D) | ||
Remarks | Felt (IV) on Shemya. A local tsunami generated with recorded wave heights (peak-to-trough) of 50 cm at Shemya and 12 cm at Adak. |
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