Magnitude 4.2 KEPULAUAN TALAUD, INDONESIA
Tuesday, April 21, 2009 at 06:54:22 UTC
Preliminary Earthquake Report
Magnitude | 4.2 |
---|---|
Date-Time |
Time of Earthquake in other Time Zones |
Location | 4.60N 127.91E |
Depth | 35 kilometers |
Region | KEPULAUAN TALAUD, INDONESIA |
Distances |
345 km (215 miles) ESE of General Santos, Mindanao, Philippines 370 km (230 miles) SE of Davao, Mindanao, Philippines 1350 km (830 miles) SE of MANILA, Philippines 2625 km (1630 miles) ENE of JAKARTA, Java, Indonesia |
Location Uncertainty | Error estimate: horizontal +/- 30.5 km; depth fixed by location program |
Parameters | Nst=15, Nph=15, Dmin=2519.1 km, Rmss=1.03 sec, Erho=30.5 km, Erzz=0 km, Gp=135.7 degrees |
Source | USGS NEIC (WDCS-D) |
Event ID | usfse5 |
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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
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Preliminary Earthquake Report
U.S. Geological Survey, National Earthquake Information Center
World Data Center for Seismology, Denver