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Earthquake Hazards Program

Magnitude 7.1 AMAZONAS, BRAZIL

2003 June 20 06:19:38 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
(degrees)
Travel Time
(min:secs)
Arrival Time
UTC
Phase
Lima, Peru 7.04 1:48.4 6:21:26.4P
San Juan, Puerto Rico 26.38 4:52.6 6:24:30.6P
Miami, Florida 34.09 5:58.8 6:25:36.8P
Mexico City, Mexico 38.10 6:31.8 6:26:09.8P
Brownsville, Texas 41.65 7:00.2 6:26:38.2P
Knoxville, Tennessee 45.05 7:26.7 6:27:04.7P
Washington, D.C. 46.42 7:37.1 6:27:15.1P
Philadephia, Pennsylvania 47.32 7:43.9 6:27:21.9P
New York, New York 48.02 7:49.1 6:27:27.1P
St. Louis, Missouri 49.08 7:57.0 6:27:35.0P
Boston, Massachusetts 49.59 8:00.7 6:27:38.7P
Wichita, Kansas 51.02 8:11.2 6:27:49.2P
Bangor, Maine 52.11 8:19.0 6:27:57.0P
Ottawa, Canada 52.80 8:23.9 6:28:01.9P
Albuquerque, New Mexico 53.71 8:30.4 6:28:08.4P
Golden, Colorado 56.33 8:48.7 6:28:26.7P
Duluth, Minnesota 57.02 8:53.4 6:28:31.4P
Palmer Station, Antarctica 60.40 9:16.2 6:28:54.2P
Los Angeles, California 60.45 9:16.5 6:28:54.5P
San Francisco, California 65.32 9:47.8 6:29:25.8P
Seattle, Washington 70.8710:21.5 6:29:59.5P
London, England 84.4911:34.8 6:31:12.8P
Honolulu, Hawaii 89.1911:57.0 6:31:35.0P
Bergen, Norway 90.0712:01.1 6:31:39.1P
Rome, Italy 90.5912:03.5 6:31:41.5P
Anchorage, Alaska 90.9112:04.9 6:31:42.9P
Wellington, New Zealand 102.3512:56.2 6:32:34.2Pdiff
Moscow, Russia 107.0013:16.8 6:32:54.8Pdiff
Nairobi, Kenya 108.1113:21.8 6:32:59.8Pdiff
Brisbane, Australia 124.5714:34.8 6:34:12.8Pdiff
Tokyo, Japan 139.8815:42.8 6:35:20.8Pdiff
Agana, Guam 143.7816:00.1 6:35:38.1Pdiff
Beijing, China 146.9318:37.1 6:38:15.1PKPdf
Kathmandu, Nepal 150.3318:42.5 6:38:20.5PKPdf


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