Magnitude 3.6 OFF THE COAST OF OREGON
Saturday, April 11, 2009 at 16:31:31 UTC
Preliminary Earthquake Report
Magnitude | 3.6 |
---|---|
Date-Time |
Time of Earthquake in other Time Zones |
Location | 44.26N 129.22W |
Depth | 10 kilometers |
Region | OFF THE COAST OF OREGON |
Distances |
415 km (255 miles) W of Newport, Oregon 415 km (260 miles) WNW of Coos Bay, Oregon 470 km (295 miles) WNW of Brookings, Oregon 495 km (310 miles) W of SALEM, Oregon |
Location Uncertainty | Error estimate: horizontal +/- 9.1 km; depth fixed by location program |
Parameters | Nst=49, Nph=49, Dmin=472.3 km, Rmss=0.99 sec, Erho=9.1 km, Erzz=0 km, Gp=192.5 degrees |
Source | USGS NEIC (WDCS-D) |
Event ID | usfha2 |
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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