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Earthquake Hazards Program

Magnitude 4.7 OFF COAST OF OREGON

Friday, July 27, 2007 at 01:37:47 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 6.02 1:29.1 1:39:16.1Pn
San Francisco, California 8.47 2:02.8 1:39:49.8Pn
Los Angeles, California 13.48 3:11.3 1:40:58.3Pn
Phoenix, Arizona 17.35 4:02.2 1:41:49.2Pn
Golden, Colorado 18.57 4:17.0 1:42:04.0P
Albuquerque, New Mexico 19.80 4:30.6 1:42:17.6P
Anchorage, Alaska 20.75 4:40.8 1:42:27.8P
Wichita, Kansas 24.99 5:23.8 1:43:10.8P
Duluth, Minnesota 26.05 5:33.5 1:43:20.5P
St. Louis, Missouri 29.69 6:06.0 1:43:53.0P
Brownsville, Texas 31.70 6:23.8 1:44:10.8P
Honolulu, Hawaii 32.85 6:33.8 1:44:20.8P
Knoxville, Tennessee 34.52 6:48.3 1:44:35.3P
Mexico City, Mexico 35.44 6:56.2 1:44:43.2P
Ottawa, Canada 37.48 7:13.6 1:45:00.6P
Washington, D.C. 39.00 7:26.4 1:45:13.4P
Philadephia, Pennsylvania 39.86 7:33.6 1:45:20.6P
New York, New York 40.35 7:37.7 1:45:24.7P
Boston, Massachusetts 41.71 7:48.8 1:45:35.8P
Bangor, Maine 42.32 7:53.8 1:45:40.8P
Miami, Florida 43.68 8:04.8 1:45:51.8P
San Juan, Puerto Rico 58.32 9:55.0 1:47:42.0P
Tokyo, Japan 66.6410:50.8 1:48:37.8P
Bergen, Norway 69.2611:07.3 1:48:54.3P
Lima, Peru 73.5811:33.3 1:49:20.3P
London, England 74.9111:41.1 1:49:28.1P
Beijing, China 77.2811:54.6 1:49:41.6P
Agana, Guam 77.7411:57.2 1:49:44.2P
Moscow, Russia 79.6512:07.7 1:49:54.7P
Rome, Italy 87.6012:48.4 1:50:35.4P
Wellington, New Zealand 98.8613:40.0 1:51:27.0Pdiff
Brisbane, Australia 100.5313:47.5 1:51:34.5Pdiff
Kathmandu, Nepal 101.5413:51.9 1:51:38.9Pdiff
Palmer Station, Antarctica 122.0815:23.1 1:53:10.1Pdiff
Nairobi, Kenya 135.3916:22.2 1:54:09.2Pdiff

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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