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Earthquake Hazards Program

Magnitude 8.5 SOUTHERN SUMATRA, INDONESIA

Wednesday, September 12, 2007 at 11:10:26 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
Kathmandu, Nepal 35.52 6:56.111:17:20.1P
Beijing, China 46.14 8:23.611:18:47.6P
Agana, Guam 46.39 8:25.511:18:49.5P
Tokyo, Japan 53.54 9:19.911:19:43.9P
Brisbane, Australia 54.06 9:23.711:19:47.7P
Nairobi, Kenya 64.7010:37.311:21:01.3P
Wellington, New Zealand 74.5311:38.011:22:02.0P
Moscow, Russia 79.2812:04.711:22:28.7P
Rome, Italy 92.1813:08.911:23:32.9P
Bergen, Norway 96.8613:30.211:23:54.2P
London, England 100.7113:47.311:24:11.3Pdiff
Honolulu, Hawaii 101.4513:50.611:24:14.6Pdiff
Anchorage, Alaska 102.6913:56.111:24:20.1Pdiff
Palmer Station, Antarctica 107.3114:16.611:24:40.6Pdiff
Seattle, Washington 122.7215:25.011:25:49.0Pdiff
San Francisco, California 127.9415:48.211:26:12.2Pdiff
Los Angeles, California 132.7116:09.311:26:33.3Pdiff
Duluth, Minnesota 136.1416:24.611:26:48.6Pdiff
Golden, Colorado 137.2816:29.611:26:53.6Pdiff
Phoenix, Arizona 137.3616:30.011:26:54.0Pdiff
Bangor, Maine 138.8516:36.611:27:00.6Pdiff
Ottawa, Canada 139.0516:37.511:27:01.5Pdiff
Albuquerque, New Mexico 139.8316:40.911:27:04.9Pdiff
Boston, Massachusetts 141.6416:49.011:27:13.0Pdiff
Wichita, Kansas 142.5516:53.011:27:17.0Pdiff
New York, New York 143.6016:57.711:27:21.7Pdiff
St. Louis, Missouri 144.2117:00.411:27:24.4Pdiff
Philadephia, Pennsylvania 144.4617:01.511:27:25.5Pdiff
Washington, D.C. 145.6119:36.911:30:00.9PKPdf
Knoxville, Tennessee 147.9719:40.811:30:04.8PKPdf
Brownsville, Texas 151.8619:46.911:30:10.9PKPdf
Mexico City, Mexico 154.8519:51.211:30:15.2PKPdf
Miami, Florida 158.6619:56.211:30:20.2PKPdf
San Juan, Puerto Rico 161.5219:59.411:30:23.4PKPdf
Lima, Peru 163.5820:01.511:30:25.5PKPdf

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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