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Earthquake Hazards Program

Magnitude 4.7 HAWAII

2003 August 27 06:24:22 UTC

Preliminary Earthquake Report

U.S. Geological Survey, National Earthquake Information Center
World Data Center for Seismology, Denver

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
Honolulu, Hawaii 3.16 0:49.7 6:25:11.7Pn
San Francisco, California 33.93 6:43.2 6:31:05.2P
Los Angeles, California 35.92 7:00.4 6:31:22.4P
Seattle, Washington 38.96 7:26.1 6:31:48.1P
Anchorage, Alaska 42.01 7:51.3 6:32:13.3P
Albuquerque, New Mexico 45.52 8:19.5 6:32:41.5P
Golden, Colorado 47.36 8:34.0 6:32:56.0P
Mexico City, Mexico 52.66 9:14.3 6:33:36.3P
Wichita, Kansas 53.23 9:18.5 6:33:40.5P
Brownsville, Texas 53.32 9:19.2 6:33:41.2P
Agana, Guam 57.66 9:50.4 6:34:12.4P
Duluth, Minnesota 57.78 9:51.2 6:34:13.2P
St. Louis, Missouri 58.83 9:58.6 6:34:20.6P
Tokyo, Japan 58.97 9:59.6 6:34:21.6P
Knoxville, Tennessee 63.0110:27.1 6:34:49.1P
Wellington, New Zealand 66.4110:49.3 6:35:11.3P
Brisbane, Australia 68.4211:02.0 6:35:24.0P
Miami, Florida 68.7611:04.1 6:35:26.1P
Washington, D.C. 69.1011:06.2 6:35:28.2P
Ottawa, Canada 69.2211:07.0 6:35:29.0P
Philadephia, Pennsylvania 70.3711:14.1 6:35:36.1P
New York, New York 71.1211:18.7 6:35:40.7P
Boston, Massachusetts 73.0011:29.9 6:35:51.9P
Bangor, Maine 74.1711:36.8 6:35:58.8P
Beijing, China 76.6411:51.0 6:36:13.0P
Lima, Peru 83.0512:25.7 6:36:47.7P
San Juan, Puerto Rico 83.2212:26.6 6:36:48.6P
Bergen, Norway 99.0213:40.7 6:38:02.7Pdiff
Moscow, Russia 104.4314:04.7 6:38:26.7Pdiff
Kathmandu, Nepal 105.0614:07.6 6:38:29.6Pdiff
London, England 106.1714:12.5 6:38:34.5Pdiff
Palmer Station, Antarctica 108.1514:21.3 6:38:43.3Pdiff
Rome, Italy 118.0515:05.2 6:39:27.2Pdiff
Nairobi, Kenya 158.5319:57.0 6:44:19.0PKPdf

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