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Magnitude 4.5 - SEA OF OKHOTSK
2004 October 27 14:43:15 UTC

Preliminary Earthquake Report
U.S. Geological Survey, National Earthquake Information Center
World Data Center for Seismology, Denver

A light earthquake occurred at 14:43:15 (UTC) on Wednesday, October 27, 2004. The magnitude 4.5 event has been located in SEA OF OKHOTSK. The hypocentral depth was estimated to be 466 km (290 miles). (This event has been reviewed by a seismologist.)
Small globe showing earthquake

Small map showing earthquake

Magnitude 4.5
Date-Time Wednesday, October 27, 2004 at 14:43:15 (UTC)
= Coordinated Universal Time
Thursday, October 28, 2004 at 12:43:15 AM
= local time at epicenter

Time of Earthquake in other Time Zones
Location 53.343°N, 153.785°E
Depth 466.1 km (289.6 miles)
Region SEA OF OKHOTSK
Distances
325 km (200 miles) W of Petropavlovsk-Kamchatskiy, Russia
330 km (205 miles) NNW of Severo-Kuril'sk, Kuril Islands, Russia
2250 km (1400 miles) NNE of TOKYO, Japan
6600 km (4100 miles) NE of MOSCOW, Russia
Location Uncertainty horizontal +/- 11.5 km (7.1 miles); depth +/- 8.9 km (5.5 miles)
Parameters Nst= 24, Nph= 24, Dmin=328 km, Rmss=1.03 sec, Gp=104°,
M-type=body magnitude (Mb), Version=R
Source USGS NEIC (WDCS-D)
Event ID usqcbp

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The official magnitude for this earthquake is indicated at the top of this page. This was the best available estimate of the earthquake's size, at the time that this page was created. Other magnitudes associated with web pages linked from here are those determined at various times following the earthquake with different types of seismic data. Although, given the data used, they are legitimate estimates of magnitude, they are not considered the official magnitude.


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