Magnitude 4.5 SOUTH OF THE FIJI ISLANDS
Tuesday, October 12, 2004 at 20:24:15 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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4.5
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Date-Time
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Tuesday, October 12, 2004 at 20:24:15 (UTC) - Coordinated Universal Time
Wednesday, October 13, 2004 at 08:24:15 AM local time at epicenter
Time of Earthquake in other Time Zones
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Location
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22.19S 176.15W
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Depth
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293 kilometers
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Region
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SOUTH OF THE FIJI ISLANDS
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Reference
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150 km (95 miles) SW of NUKU'ALOFA, Tonga
315 km (195 miles) ESE of Ndoi Island, Fiji
455 km (280 miles) SSW of Neiafu, Tonga
1845 km (1150 miles) NNE of Auckland, New Zealand
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Location Quality
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Error estimate: horizontal +/- 32.4 km; depth +/- 109 km
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Location Quality Parameters
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Nst=17, Nph=17, Dmin=3897.0 km, Rmss=1.23 sec, Erho=32.4 km, Erzz=108.6 km, Gp=123.5 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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