Theoretical P-Wave Travel Times

Sunday, January 27, 2013 at 13:00:27 UTC

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
Travel Time
Arrival Time
Tokyo, Japan 3.70 0:54.711:40:06.7Pn
Agana, Guam 19.02 4:18.911:43:30.9P
Beijing, China 21.80 4:49.011:44:01.0P
Kathmandu, Nepal 48.68 8:40.611:47:52.6P
Anchorage, Alaska 51.82 9:04.411:48:16.4P
Honolulu, Hawaii 54.33 9:22.911:48:34.9P
Brisbane, Australia 60.4910:06.411:49:18.4P
Seattle, Washington 70.3911:10.511:50:22.5P
Moscow, Russia 71.1711:15.211:50:27.2P
San Francisco, California 75.0511:38.211:50:50.2P
Wellington, New Zealand 79.3512:02.311:51:14.3P
Los Angeles, California 79.8612:05.111:51:17.1P
Bergen, Norway 80.9312:10.811:51:22.8P
Phoenix, Arizona 84.4712:29.211:51:41.2P
Golden, Colorado 85.1212:32.511:51:44.5P
Albuquerque, New Mexico 87.1212:42.311:51:54.3P
Duluth, Minnesota 87.4212:43.711:51:55.7P
London, England 90.0512:56.111:52:08.1P
Wichita, Kansas 91.0713:00.811:52:12.8P
Rome, Italy 92.6413:08.111:52:20.1P
St. Louis, Missouri 94.3213:15.811:52:27.8P
Ottawa, Canada 95.4013:20.711:52:32.7P
Bangor, Maine 98.2913:33.711:52:45.7P
Knoxville, Tennessee 99.0113:36.911:52:48.9Pdiff
Brownsville, Texas 99.0413:37.011:52:49.0Pdiff
Boston, Massachusetts 99.7313:40.111:52:52.1Pdiff
New York, New York 100.0813:41.611:52:53.6Pdiff
Philadelphia, Pennsylvania 100.2813:42.511:52:54.5Pdiff
Washington, D.C. 100.4113:43.111:52:55.1Pdiff
Mexico City, Mexico 102.1813:50.911:53:02.9Pdiff
Nairobi, Kenya 103.3513:56.111:53:08.1Pdiff
Miami, Florida 109.6614:24.111:53:36.1Pdiff
San Juan, Puerto Rico 122.7715:22.311:54:34.3Pdiff
Lima, Peru 139.0416:34.511:55:46.6Pdiff
Palmer Station, Antarctica 141.5016:45.511:55:57.5Pdiff

Travel Time Information and Calculator

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