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Earthquake Hazards Program

Magnitude 7.5 MOLUCCA SEA

Sunday, January 21, 2007 at 11:27:45 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
Travel Time
Arrival Time
Agana, Guam 21.96 4:53.811:32:35.8P
Tokyo, Japan 36.49 7:05.211:34:47.2P
Brisbane, Australia 38.40 7:21.411:35:03.4P
Beijing, China 39.55 7:31.011:35:13.0P
Kathmandu, Nepal 47.23 8:33.011:36:15.0P
Wellington, New Zealand 60.9510:13.211:37:55.2P
Honolulu, Hawaii 76.4111:49.711:39:31.7P
Anchorage, Alaska 85.9612:40.411:40:22.4P
Moscow, Russia 88.2112:51.311:40:33.3P
Nairobi, Kenya 89.4812:57.311:40:39.3P
Seattle, Washington 103.3213:59.811:41:41.8Pdiff
Bergen, Norway 103.7314:01.611:41:43.6Pdiff
San Francisco, California 105.9614:11.511:41:53.5Pdiff
Rome, Italy 106.6914:14.811:41:56.8Pdiff
Los Angeles, California 110.2014:30.411:42:12.4Pdiff
London, England 110.7914:33.011:42:15.0Pdiff
Palmer Station, Antarctica 113.1814:43.611:42:25.6Pdiff
Phoenix, Arizona 115.2814:52.911:42:34.9Pdiff
Golden, Colorado 117.8115:04.211:42:46.2Pdiff
Albuquerque, New Mexico 118.8415:08.711:42:50.7Pdiff
Duluth, Minnesota 121.5515:20.711:43:02.7Pdiff
Wichita, Kansas 124.1115:32.111:43:14.1Pdiff
St. Louis, Missouri 128.0115:49.411:43:31.4Pdiff
Ottawa, Canada 129.6515:56.711:43:38.7Pdiff
Brownsville, Texas 129.8615:57.711:43:39.7Pdiff
Mexico City, Mexico 130.9216:02.311:43:44.3Pdiff
Bangor, Maine 132.2716:08.411:43:50.4Pdiff
Knoxville, Tennessee 132.8316:10.811:43:52.8Pdiff
Boston, Massachusetts 133.9116:15.611:43:57.6Pdiff
New York, New York 134.3616:17.611:43:59.6Pdiff
Philadephia, Pennsylvania 134.5816:18.611:44:00.6Pdiff
Washington, D.C. 134.7016:19.111:44:01.1Pdiff
Miami, Florida 142.9316:55.711:44:37.7Pdiff
Lima, Peru 154.4519:51.711:47:33.7PKPdf
San Juan, Puerto Rico 156.9319:55.011:47:37.0PKPdf

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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