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Earthquake Hazards Program

Magnitude 6.9 GULF OF CALIFORNIA

Monday, August 03, 2009 at 17:59:56 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
Phoenix, Arizona 4.11 1:02.918:01:01.9Pn
Los Angeles, California 6.57 1:36.718:01:35.7Pn
Albuquerque, New Mexico 7.73 1:52.618:01:51.6Pn
San Francisco, California 11.59 2:45.418:02:44.4Pn
Golden, Colorado 12.10 2:52.418:02:51.4Pn
Brownsville, Texas 14.00 3:18.418:03:17.4Pn
Wichita, Kansas 15.37 3:36.918:03:35.9Pn
Mexico City, Mexico 15.88 3:43.618:03:42.6Pn
Seattle, Washington 19.82 4:30.718:04:29.7P
St. Louis, Missouri 20.83 4:41.718:04:40.7P
Duluth, Minnesota 23.66 5:11.718:05:10.7P
Knoxville, Tennessee 24.13 5:16.018:05:15.0P
Miami, Florida 29.09 6:00.718:05:59.7P
Washington, D.C. 30.93 6:17.018:06:16.0P
Philadelphia, Pennsylvania 32.50 6:30.818:06:29.8P
Ottawa, Canada 33.20 6:36.918:06:35.9P
New York, New York 33.48 6:39.318:06:38.3P
Boston, Massachusetts 35.86 6:59.918:06:58.9P
Bangor, Maine 37.88 7:17.018:07:16.0P
Anchorage, Alaska 40.19 7:36.318:07:35.3P
Honolulu, Hawaii 41.27 7:45.218:07:44.2P
San Juan, Puerto Rico 43.77 8:05.618:08:04.6P
Lima, Peru 53.76 9:22.318:09:21.3P
Bergen, Norway 77.3611:55.018:11:54.0P
London, England 80.1712:10.518:12:09.5P
Tokyo, Japan 85.9812:40.518:12:39.5P
Moscow, Russia 91.5613:06.918:13:05.9P
Rome, Italy 93.0013:13.618:13:12.5P
Agana, Guam 94.0213:18.218:13:17.2P
Wellington, New Zealand 96.9913:31.718:13:30.7P
Beijing, China 97.2713:32.918:13:31.9P
Palmer Station, Antarctica 103.4314:00.318:13:59.3Pdiff
Brisbane, Australia 106.3014:13.118:14:12.1Pdiff
Kathmandu, Nepal 120.6715:16.818:15:15.8Pdiff
Nairobi, Kenya 139.8116:41.818:16:40.8Pdiff

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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