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Earthquake Hazards Program

Magnitude 5.4 GULF OF CALIFORNIA

Friday, July 03, 2009 at 09:57:03 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 8.22 1:59.2 9:59:02.2Pn
Albuquerque, New Mexico 9.94 2:22.8 9:59:25.8Pn
Brownsville, Texas 11.00 2:37.4 9:59:40.4Pn
Los Angeles, California 11.32 2:41.8 9:59:44.8Pn
Mexico City, Mexico 11.44 2:43.4 9:59:46.4Pn
Golden, Colorado 14.73 3:28.310:00:31.3Pn
Wichita, Kansas 16.14 3:46.910:00:49.9Pn
San Francisco, California 16.35 3:49.610:00:52.6Pn
St. Louis, Missouri 21.03 4:43.810:01:46.8P
Knoxville, Tennessee 23.47 5:09.910:02:12.9P
Seattle, Washington 24.42 5:18.610:02:21.6P
Duluth, Minnesota 25.41 5:27.610:02:30.6P
Miami, Florida 26.59 5:38.310:02:41.3P
Washington, D.C. 30.53 6:13.410:03:16.4P
Philadelphia, Pennsylvania 32.22 6:28.310:03:31.3P
New York, New York 33.28 6:37.610:03:40.6P
Ottawa, Canada 33.74 6:41.510:03:44.5P
Boston, Massachusetts 35.83 6:59.610:04:02.6P
Bangor, Maine 38.13 7:19.110:04:22.1P
San Juan, Puerto Rico 40.85 7:41.810:04:44.8P
Honolulu, Hawaii 44.20 8:09.010:05:12.0P
Anchorage, Alaska 44.90 8:14.610:05:17.6P
Lima, Peru 49.04 8:47.010:05:50.0P
Bergen, Norway 79.5612:07.210:09:10.2P
London, England 81.6712:18.510:09:21.5P
Tokyo, Japan 90.5913:02.410:10:05.4P
Rome, Italy 94.3113:19.610:10:22.6P
Moscow, Russia 94.4713:20.310:10:23.3P
Wellington, New Zealand 96.3613:28.910:10:31.9P
Agana, Guam 97.8713:35.610:10:38.6P
Palmer Station, Antarctica 98.9213:40.310:10:43.3Pdiff
Beijing, China 102.0413:54.210:10:57.2Pdiff
Brisbane, Australia 107.3714:17.810:11:20.8Pdiff
Kathmandu, Nepal 125.2115:37.010:12:40.0Pdiff
Nairobi, Kenya 139.7616:41.610:13:44.6Pdiff

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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