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Earthquake Hazards Program

Magnitude 4.8 LUZON, PHILIPPINES

Tuesday, March 31, 2009 at 13:26:17 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
Agana, Guam 20.55 4:38.313:30:54.3P
Tokyo, Japan 25.56 5:28.613:31:44.6P
Beijing, China 26.07 5:33.213:31:49.2P
Kathmandu, Nepal 37.88 7:16.613:33:32.6P
Brisbane, Australia 50.57 8:58.213:35:14.2P
Wellington, New Zealand 72.9111:29.013:37:45.0P
Honolulu, Hawaii 74.3911:37.713:37:53.7P
Anchorage, Alaska 75.7211:45.413:38:01.4P
Moscow, Russia 75.8411:46.013:38:02.0P
Nairobi, Kenya 87.1912:46.013:39:02.0P
Bergen, Norway 90.6713:02.413:39:18.4P
Seattle, Washington 94.7313:21.113:39:37.1P
Rome, Italy 95.4313:24.313:39:40.3P
London, England 98.1713:36.513:39:52.5P
San Francisco, California 99.2113:41.213:39:57.2Pdiff
Los Angeles, California 103.9214:02.113:40:18.1Pdiff
Phoenix, Arizona 108.6614:23.113:40:39.1Pdiff
Golden, Colorado 109.4614:26.713:40:42.7Pdiff
Duluth, Minnesota 111.0714:33.813:40:49.8Pdiff
Albuquerque, New Mexico 111.4414:35.513:40:51.5Pdiff
Wichita, Kansas 115.3414:52.813:41:08.8Pdiff
Ottawa, Canada 117.8415:03.913:41:19.9Pdiff
St. Louis, Missouri 118.3415:06.113:41:22.1Pdiff
Bangor, Maine 119.9115:13.013:41:29.1Pdiff
Boston, Massachusetts 121.8415:21.613:41:37.6Pdiff
New York, New York 122.6815:25.313:41:41.3Pdiff
Knoxville, Tennessee 122.9115:26.413:41:42.4Pdiff
Philadelphia, Pennsylvania 123.0715:27.113:41:43.1Pdiff
Brownsville, Texas 123.3115:28.113:41:44.1Pdiff
Washington, D.C. 123.4715:28.913:41:44.9Pdiff
Mexico City, Mexico 126.0715:40.413:41:56.4Pdiff
Palmer Station, Antarctica 126.5515:42.513:41:58.5Pdiff
Miami, Florida 133.7516:14.513:42:30.5Pdiff
San Juan, Puerto Rico 145.8419:38.213:45:54.2PKPbc
Lima, Peru 159.7619:59.913:46:15.9PKPdf

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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