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Earthquake Hazards Program

Magnitude 3.9 OFF COAST OF OREGON

Friday, July 27, 2007 at 02:07:51 UTC

Theoretical P-Wave Travel Times

Theoretical P-wave Travel Times

This map shows the predicted (theoretical) travel times, in minutes, of the compressional (P) wave from the earthquake location to points around the globe. The travel times are computed using the spherically-symmetric IASP91 reference earth velocity model. The heavy black lines shown are the approximate distances to the P-wave shadow zone (103 to 140 degrees).

Theoretical P-Wave Travel Times
City Distance
(degrees)
Travel Time
(min:secs)
Arrival Time
UTC
Phase
Seattle, Washington 6.47 1:35.2 2:09:26.2Pn
San Francisco, California 9.00 2:10.0 2:10:01.0Pn
Los Angeles, California 14.02 3:18.7 2:11:09.7Pn
Phoenix, Arizona 17.96 4:09.7 2:12:00.7Pn
Golden, Colorado 19.22 4:24.1 2:12:15.1P
Anchorage, Alaska 20.33 4:36.3 2:12:27.3P
Albuquerque, New Mexico 20.45 4:37.6 2:12:28.6P
Wichita, Kansas 25.64 5:29.7 2:13:20.7P
Duluth, Minnesota 26.62 5:38.6 2:13:29.6P
St. Louis, Missouri 30.32 6:11.6 2:14:02.6P
Brownsville, Texas 32.34 6:29.3 2:14:20.3P
Honolulu, Hawaii 32.41 6:30.0 2:14:21.0P
Knoxville, Tennessee 35.16 6:53.8 2:14:44.8P
Mexico City, Mexico 36.04 7:01.4 2:14:52.4P
Ottawa, Canada 38.03 7:18.3 2:15:09.3P
Washington, D.C. 39.60 7:31.4 2:15:22.4P
Philadephia, Pennsylvania 40.46 7:38.5 2:15:29.5P
New York, New York 40.94 7:42.5 2:15:33.5P
Boston, Massachusetts 42.27 7:53.4 2:15:44.4P
Bangor, Maine 42.85 7:58.2 2:15:49.2P
Miami, Florida 44.33 8:10.0 2:16:01.0P
San Juan, Puerto Rico 58.96 9:59.5 2:17:50.5P
Tokyo, Japan 66.0210:46.7 2:18:37.7P
Bergen, Norway 69.3811:08.0 2:18:59.0P
Lima, Peru 74.1711:36.8 2:19:27.8P
London, England 75.1211:42.3 2:19:33.3P
Beijing, China 76.7311:51.5 2:19:42.5P
Agana, Guam 77.0911:53.5 2:19:44.5P
Moscow, Russia 79.6012:07.4 2:19:58.4P
Rome, Italy 87.7712:49.2 2:20:40.2P
Wellington, New Zealand 98.5713:38.7 2:21:29.7Pdiff
Brisbane, Australia 100.0313:45.2 2:21:36.2Pdiff
Kathmandu, Nepal 101.0913:49.9 2:21:40.9Pdiff
Palmer Station, Antarctica 122.4615:24.8 2:23:15.8Pdiff
Nairobi, Kenya 135.4716:22.6 2:24:13.6Pdiff

Travel Time Information and Calculator

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

 


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