Magnitude 4.8 OFF THE COAST OF CENTRAL AMERICA
Tuesday, October 05, 2004 at 20:48:53 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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4.8
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Date-Time
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Tuesday, October 05, 2004 at 20:48:53 (UTC) - Coordinated Universal Time
Tuesday, October 05, 2004 at 02:48:53 PM local time at epicenter
Time of Earthquake in other Time Zones
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Location
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12.72N 88.49W
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Depth
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60 kilometers
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Region
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OFF THE COAST OF CENTRAL AMERICA
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Reference
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90 km (55 miles) SSW of San Miguel, El Salvador
125 km (80 miles) SE of SAN SALVADOR, El Salvador
145 km (90 miles) W of Chinandega, Nicaragua
1365 km (840 miles) ESE of MEXICO CITY, D.F., Mexico
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Location Quality
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Error estimate: horizontal +/- 8.3 km; depth fixed by location program
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Location Quality Parameters
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Nst=108, Nph=108, Dmin=1767.9 km, Rmss=0.96 sec, Erho=8.3 km, Erzz=0 km, Gp=99.4 degrees
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Source
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USGS NEIC (WDCS-D)
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Remarks
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Felt (IV) at San Salvador, El Salvador. Also felt at Olocuilta, El Salvador.
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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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