Magnitude 5.0 SOUTH SANDWICH ISLANDS REGION
Friday, November 12, 2004 at 02:54:55 UTC
Preliminary Earthquake Report
U.S. Geological Survey, National Earthquake Information Center
World Data Center for Seismology, Denver
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Magnitude
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5.0
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Date-Time
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Friday, November 12, 2004 at 02:54:55 (UTC) - Coordinated Universal Time
Friday, November 12, 2004 at 12:54:55 AM local time at epicenter
Time of Earthquake in other Time Zones
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Location
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59.72S 27.90W
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Depth
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153.9 kilometers
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Region
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SOUTH SANDWICH ISLANDS REGION
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Reference
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115 km (70 miles) SW of Bristol Island, South Sandwich Islands
335 km (210 miles) S of Visokoi Island, South Sandwich Islands
800 km (495 miles) SE of Grytviken, South Georgia
3585 km (2220 miles) SSE of BUENOS AIRES, Argentina
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Location Quality
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Error estimate: horizontal +/- 18.2 km; depth +/- 25.0 km
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Location Quality Parameters
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Nst=50, Nph=50, Dmin=1514.6 km, Rmss=0.99 sec, Erho=18.2 km, Erzz=25.0 km, Gp=71.9 degrees
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Source
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USGS NEIC (WDCS-D)
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NB:
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.
The region name is an automatically generated name
from the Flinn-Engdahl (F-E) seismic and geographical regionalization scheme.
The boundaries of
these regions are defined at one-degree intervals and therefore differ from
irregular political boundaries.
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