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Earthquake Hazards Program

Magnitude 4.8 CENTRAL PERU

Saturday, June 20, 2009 at 04:00:17 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
Lima, Peru 4.90 1:11.1 4:01:28.1Pn
San Juan, Puerto Rico 33.29 6:30.3 4:06:47.3P
Miami, Florida 40.59 7:32.2 4:07:49.2P
Mexico City, Mexico 42.58 7:48.4 4:08:05.4P
Brownsville, Texas 46.82 8:22.1 4:08:39.1P
Knoxville, Tennessee 51.46 8:57.6 4:09:14.6P
Washington, D.C. 53.17 9:10.3 4:09:27.3P
Palmer Station, Antarctica 53.62 9:13.6 4:09:30.6P
Philadelphia, Pennsylvania 54.12 9:17.2 4:09:34.2P
New York, New York 54.84 9:22.4 4:09:39.4P
St. Louis, Missouri 55.31 9:25.8 4:09:42.8P
Boston, Massachusetts 56.46 9:34.0 4:09:51.0P
Wichita, Kansas 56.85 9:36.8 4:09:53.8P
Albuquerque, New Mexico 58.85 9:50.9 4:10:07.9P
Bangor, Maine 59.01 9:52.0 4:10:09.0P
Ottawa, Canada 59.59 9:56.0 4:10:13.0P
Phoenix, Arizona 60.6710:03.3 4:10:20.3P
Golden, Colorado 61.8310:11.2 4:10:28.2P
Duluth, Minnesota 63.3510:21.3 4:10:38.3P
Los Angeles, California 64.8610:31.2 4:10:48.2P
San Francisco, California 69.8311:02.7 4:11:19.7P
Seattle, Washington 76.1211:39.8 4:11:56.8P
London, England 90.5712:53.9 4:13:10.9P
Honolulu, Hawaii 90.8112:55.0 4:13:12.0P
Rome, Italy 95.8813:18.2 4:13:35.2P
Anchorage, Alaska 96.4913:21.0 4:13:38.0P
Bergen, Norway 96.5313:21.2 4:13:38.2P
Wellington, New Zealand 96.8013:22.4 4:13:39.4P
Nairobi, Kenya 108.4714:14.2 4:14:31.2Pdiff
Moscow, Russia 113.2014:35.2 4:14:52.2Pdiff
Brisbane, Australia 119.2615:02.1 4:15:19.1Pdiff
Agana, Guam 143.7616:50.9 4:17:07.9Pdiff
Tokyo, Japan 144.1016:52.4 4:17:09.4Pdiff
Beijing, China 153.3819:42.8 4:19:59.8PKPdf
Kathmandu, Nepal 155.5619:46.0 4:20:03.0PKPdf

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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