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Earthquake Hazards Program

Theoretical P-Wave Travel Times


Tuesday, October 17, 2006 at 01:25:12 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 20.24 4:30.3 1:29:45.3P
Brisbane, Australia 21.54 4:44.3 1:29:59.3P
Wellington, New Zealand 41.11 7:38.0 1:32:53.0P
Tokyo, Japan 42.69 7:50.9 1:33:05.9P
Beijing, China 55.63 9:29.8 1:34:44.8P
Honolulu, Hawaii 56.99 9:39.5 1:34:54.5P
Kathmandu, Nepal 71.6011:15.1 1:36:30.1P
Anchorage, Alaska 80.9312:08.0 1:37:23.0P
San Francisco, California 90.8812:57.1 1:38:12.1P
Seattle, Washington 92.1013:02.8 1:38:17.8P
Los Angeles, California 93.8913:11.0 1:38:26.0P
Phoenix, Arizona 99.0013:34.0 1:38:49.0Pdiff
Palmer Station, Antarctica 102.4213:49.2 1:39:04.2Pdiff
Albuquerque, New Mexico 103.4913:53.9 1:39:08.9Pdiff
Golden, Colorado 104.3613:57.8 1:39:12.8Pdiff
Moscow, Russia 107.8814:13.4 1:39:28.4Pdiff
Mexico City, Mexico 110.6214:25.6 1:39:40.6Pdiff
Wichita, Kansas 110.7014:25.9 1:39:40.9Pdiff
Brownsville, Texas 111.8814:31.2 1:39:46.2Pdiff
Duluth, Minnesota 112.5214:34.0 1:39:49.0Pdiff
Nairobi, Kenya 113.8914:40.1 1:39:55.1Pdiff
St. Louis, Missouri 115.9914:49.4 1:40:04.4Pdiff
Bergen, Norway 119.8015:06.3 1:40:21.3Pdiff
Knoxville, Tennessee 120.6115:09.9 1:40:24.9Pdiff
Ottawa, Canada 123.5715:23.1 1:40:38.1Pdiff
Washington, D.C. 125.6615:32.3 1:40:47.3Pdiff
Philadephia, Pennsylvania 126.5215:36.1 1:40:51.1Pdiff
New York, New York 126.9515:38.1 1:40:53.1Pdiff
Miami, Florida 127.3315:39.8 1:40:54.8Pdiff
Boston, Massachusetts 128.0315:42.9 1:40:57.9Pdiff
Bangor, Maine 128.0415:42.9 1:40:57.9Pdiff
Rome, Italy 128.6515:45.6 1:41:00.6Pdiff
London, England 128.6715:45.7 1:41:00.7Pdiff
Lima, Peru 128.9715:47.0 1:41:02.0Pdiff
San Juan, Puerto Rico 141.7016:43.6 1:41:58.6Pdiff

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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