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Magnitude 5.1 - SOUTHEAST OF THE LOYALTY ISLANDS
2004 October 14 17:02:07 UTC

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

A moderate earthquake occurred at 17:02:07 (UTC) on Thursday, October 14, 2004. The magnitude 5.1 event has been located SOUTHEAST OF THE LOYALTY ISLANDS. The hypocentral depth was estimated to be 73 km (45 miles). (This event has been reviewed by a seismologist.)
Small globe showing earthquake

Small map showing earthquake

Magnitude 5.1
Date-Time Thursday, October 14, 2004 at 17:02:07 (UTC)
= Coordinated Universal Time
Friday, October 15, 2004 at 5:02:07 AM
= local time at epicenter

Time of Earthquake in other Time Zones
Location 22.468°S, 173.144°E
Depth 72.8 km (45.2 miles)
Region SOUTHEAST OF THE LOYALTY ISLANDS
Distances
115 km (70 miles) E of Ile Hunter, Loyalty Isl., New Caledonia
170 km (105 miles) WSW of Ceva-i-Ra, Fiji
690 km (430 miles) E of NOUMEA, New Caledonia
1605 km (1000 miles) N of Auckland, New Zealand
Location Uncertainty horizontal +/- 9.1 km (5.7 miles); depth +/- 11 km (6.8 miles)
Parameters Nst= 61, Nph= 61, Dmin=691.6 km, Rmss=0.83 sec, Gp= 97°,
M-type=body magnitude (Mb), Version=S
Source USGS NEIC (WDCS-D)
Event ID usppbh

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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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