ML20076C374

Probabilistic Estimates of Max Acceleration & Velocity in Rock in Contiguous Us, Open File Rept

ML20076C374
Person / Time
Site:	Salem
Issue date:	11/24/1982
From:	Algermissen S INTERIOR, DEPT. OF, GEOLOGICAL SURVEY
To:
Shared Package
ML20076B530	List: ML20076C374 ML20076C511
References
FOIA-83-255 82-1033, NUDOCS 8212010420
Download: ML20076C374 (113)

Text

"

United States Ibpartment of the Interior Geological Survey l

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j PROBABILISTIC ESTIMATES OF MAXIMUM ACCELEKA"" ION AND VEIDCITY

IN ROOC IN THE CONTIGUOUS UNITED STATES S

i by S. T. Algermissen, D. M. Perkins, P. C. Thenhaus, S. L. Hanson and B. L. Bender s

Open-File Report 82-1033 t

1982 r

i. This report is preliminary and has not been reviewed for conformity with U.S.

Ceological Survey editorial standards.

, po /O ' XA Copy Has Been Sent to PDR

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Copies of this Open-File Report may be lurchased from Open-File Services Section f

Branch of Distribution U.S. Geological Survey Box 25425, Federal Center i

Denver, Colorado 80225 PREPAYMENT IS REQUIRED Price information will be published in the monthly listing

"New Publications of the Geological Survey" 4

I FOR ADDITIONAL INFORMATION Call: Cocmercial (303)234-5888 FT6: 234-5888 1

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l CONTENTS Page Abstract .............................1 l Introduction ...........................2 Concept of Hazard Mapping . ....................4 Theory ............................. . .5 Development of a Probabilis tic Model . . . . . . . . . . . . . . . .14 Earthquake Model . . . .....................15 Magnitude Distribution of Earthquakes ... . . ....... . .15 Temporal Distribution of Earthquakes . . . . . ........ . .19 Seismic Source Zones . ..................... .19 Coastal and Southern California .............. . .23 Pacific Northwest ...................... .25 Great Basin .... .....................29 lbrthern and Central Rocky Mountains . . . .. ........ .31 Sou the rn Ro cky Mo untains . . . . . . . . . . . . . . . . . . . 33 Great Plains and Gulf Coast ................ . .33 Central Interior . . .....................34 Northeast United States .......... ........ . .35 Southeast United States .................. . 37 Attenuation ...........................38 Discussion . . . . . . . ......................44 Fault Mbdeling . . . . . . . . . . . . . . . . . . . . . . . . . 44 Attenuation ..........................51 f

Review of the National Maps ................. . .58 i

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