Theoretical P-Wave Travel Times

Sunday, March 31, 2013 at 14:27:50 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
Agana, Guam 18.98 4:05.414:31:55.4P
Brisbane, Australia 22.59 4:42.314:32:32.3P
Tokyo, Japan 41.52 7:26.214:35:16.2P
Wellington, New Zealand 43.36 7:41.014:35:31.0P
Beijing, China 53.30 8:56.914:36:46.9P
Honolulu, Hawaii 60.15 9:45.014:37:35.0P
Kathmandu, Nepal 68.1110:36.814:38:26.8P
Anchorage, Alaska 82.1911:57.114:39:47.1P
San Francisco, California 93.6712:52.014:40:42.0P
Seattle, Washington 94.3912:55.314:40:45.3P
Los Angeles, California 96.8613:06.514:40:56.5P
Phoenix, Arizona 102.0013:29.314:41:19.3Pdiff
Palmer Station, Antarctica 103.6613:36.614:41:26.6Pdiff
Moscow, Russia 105.4113:44.414:41:34.4Pdiff
Albuquerque, New Mexico 106.4113:48.914:41:38.9Pdiff
Golden, Colorado 107.0613:51.714:41:41.7Pdiff
Nairobi, Kenya 110.0814:05.114:41:55.1Pdiff
Wichita, Kansas 113.4514:20.114:42:10.1Pdiff
Mexico City, Mexico 114.1414:23.214:42:13.2Pdiff
Duluth, Minnesota 114.7314:25.814:42:15.8Pdiff
Brownsville, Texas 115.1714:27.714:42:17.7Pdiff
Bergen, Norway 118.1114:40.814:42:30.8Pdiff
St. Louis, Missouri 118.6314:43.114:42:33.1Pdiff
Knoxville, Tennessee 123.3315:04.014:42:54.0Pdiff
Ottawa, Canada 125.5515:13.814:43:03.8Pdiff
Rome, Italy 125.8415:15.114:43:05.1Pdiff
London, England 126.7215:19.014:43:09.0Pdiff
Washington, D.C. 128.0715:25.014:43:15.0Pdiff
Philadelphia, Pennsylvania 128.8115:28.314:43:18.3Pdiff
New York, New York 129.1715:29.914:43:19.9Pdiff
Bangor, Maine 129.8515:32.914:43:22.9Pdiff
Boston, Massachusetts 130.0715:33.914:43:23.9Pdiff
Miami, Florida 130.5115:35.814:43:25.8Pdiff
Lima, Peru 132.7215:45.614:43:35.6Pdiff
San Juan, Puerto Rico 145.0719:10.814:47:00.8PKPbc

Travel Time Information and Calculator

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