Magnitude 4.5 SOUTHEAST OF LOYALTY ISLANDS
Monday, April 27, 2009 at 15:39:47 UTC
Preliminary Earthquake Report
Magnitude | 4.5 |
---|---|
Date-Time |
Time of Earthquake in other Time Zones |
Location | 22.42S 171.25E |
Depth | 81.2 kilometers |
Region | SOUTHEAST OF LOYALTY ISLANDS |
Distances |
80 km (50 miles) W of Ile Hunter, Loyalty Isl., New Caledonia 350 km (220 miles) WSW of Ceva-i-Ra, Fiji 495 km (305 miles) E of NOUMEA, New Caledonia 1635 km (1020 miles) NNW of Auckland, New Zealand |
Location Uncertainty | Error estimate: horizontal +/- 25.4 km; depth +/- 40.7 km |
Parameters | Nst=10, Nph=10, Dmin=879.0 km, Rmss=0.79 sec, Erho=25.4 km, Erzz=40.7 km, Gp=126.1 degrees |
Source | USGS NEIC (WDCS-D) |
Event ID | usfya2 |
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Earthquakes: Frequently Asked Questions
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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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Preliminary Earthquake Report
U.S. Geological Survey, National Earthquake Information Center
World Data Center for Seismology, Denver