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Earthquake Hazards Program

Magnitude 4.6 PHILIPPINE ISLANDS REGION

Saturday, April 11, 2009 at 09:50:23 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 18.61 4:17.5 9:54:40.5P
Tokyo, Japan 25.48 5:28.3 9:55:51.3P
Beijing, China 27.52 5:46.7 9:56:09.7P
Kathmandu, Nepal 40.08 7:35.4 9:57:58.4P
Brisbane, Australia 48.65 8:43.9 9:59:06.9P
Wellington, New Zealand 70.9211:17.410:01:40.4P
Honolulu, Hawaii 72.8611:29.110:01:52.1P
Anchorage, Alaska 75.6311:45.310:02:08.3P
Moscow, Russia 77.8011:57.510:02:20.5P
Nairobi, Kenya 89.1112:55.510:03:18.5P
Bergen, Norway 92.4313:10.910:03:33.9P
Seattle, Washington 94.3113:19.610:03:42.6P
Rome, Italy 97.5213:34.110:03:57.1P
San Francisco, California 98.4513:38.210:04:01.2Pdiff
London, England 100.0513:45.310:04:08.3Pdiff
Los Angeles, California 103.1013:58.910:04:21.9Pdiff
Phoenix, Arizona 107.9114:20.210:04:43.2Pdiff
Golden, Colorado 109.0414:25.210:04:48.2Pdiff
Albuquerque, New Mexico 110.8414:33.210:04:56.2Pdiff
Duluth, Minnesota 111.1214:34.510:04:57.5Pdiff
Wichita, Kansas 115.0214:51.810:05:14.8Pdiff
St. Louis, Missouri 118.2215:06.010:05:29.0Pdiff
Ottawa, Canada 118.2715:06.210:05:29.2Pdiff
Bangor, Maine 120.5315:16.210:05:39.2Pdiff
Boston, Massachusetts 122.3715:24.410:05:47.4Pdiff
Brownsville, Texas 122.6115:25.410:05:48.4Pdiff
Knoxville, Tennessee 122.8615:26.610:05:49.6Pdiff
New York, New York 123.0815:27.610:05:50.6Pdiff
Philadelphia, Pennsylvania 123.4315:29.110:05:52.1Pdiff
Washington, D.C. 123.7515:30.510:05:53.5Pdiff
Mexico City, Mexico 125.1115:36.510:05:59.5Pdiff
Palmer Station, Antarctica 125.4115:37.910:06:00.9Pdiff
Miami, Florida 133.5916:14.210:06:37.2Pdiff
San Juan, Puerto Rico 146.1819:39.610:10:02.6PKPbc
Lima, Peru 157.8619:57.910:10:20.9PKPdf

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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