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
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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

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

Ceological Survey editorial standards.

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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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CONTENTS Page Abstract

.............................1 l

Introduction...........................2 Concept of Hazard Mapping.....................4

.5 Theory.............................

Development of a Probabilis tic Model..............

.14 Earthquake Model........................15

.15 Magnitude Distribution of Earthquakes

.19 Temporal Distribution of Earthquakes...

.19 Seismic Source Zones......................

.23 Coastal and Southern California

.25 Pacific Northwest Great Basin

.....................29 lbrthern and Central Rocky Mountains...

.31 Sou the rn Ro cky Mo untains................... 33

.33 Great Plains and Gulf Coast Central Interior.......................34 Northeast United States

.35

. 37 Southeast United States..................

Attenuation

...........................38 Discussion.............................44 Fault Mbdeling.......................

. 44 Attenuation

..........................51 f

.58 Review of the National Maps i

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