A comprehensive study of the seismotectonics of the eastern Aleutian arc and associated volcanic systems

This report covers progress for a one-year period from April, 1989 to April, 1990 of an ongoing comprehensive research project of subduction processes of the Alaska-Aleution trench-arc system. Our studies range in scale from analyses of the tectonics of the entire Alaskan convergent system, to detai...

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Bibliographic Details
Main Authors: Abers, G.A., Taber, J.J., Estabrook, C.H., Gariel, J.C., Jacob, K.H., Levin, V.
Language:unknown
Published: 2020
Subjects:
58 GEOSCIENCES
ALEUTIAN ISLANDS
SEISMIC EVENTS
EARTHQUAKES
MONITORING
FEDERAL REGION X
FORECASTING
SUBDUCTION ZONES
RESEARCH PROGRAMS
ALASKA
CALIBRATION
EQUIPMENT
EVALUATION
FIELD TESTS
GULF OF ALASKA
INSTALLATION
PROGRESS REPORT
RECORDING SYSTEMS
SEISMIC SURFACE WAVES
SEISMOLOGY
STRESSES
TECTONICS
VOLCANIC REGIONS
VOLCANOES
DOCUMENT TYPES
ISLANDS
NORTH AMERICA
PACIFIC OCEAN
SEAS
SEISMIC WAVES
SURFACE WATERS
TESTING
USA
Gulf of Alaska
Pacific
Alaska
Aleutian Islands
Online Access:http://www.osti.gov/servlets/purl/5029222
https://www.osti.gov/biblio/5029222
https://doi.org/10.2172/5029222
Description
Summary:This report covers progress for a one-year period from April, 1989 to April, 1990 of an ongoing comprehensive research project of subduction processes of the Alaska-Aleution trench-arc system. Our studies range in scale from analyses of the tectonics of the entire Alaskan convergent system, to details of individual earthquake ruptures in the Shumagin seismic gap and in the Gulf of Alaska. They range in time from the earliest recorded events along the arc to rapid computer processing of the latest seismic and volcanic events. By integrating results from many perspectives we seek new quantitative understanding of fundamental processes in subduction systems. 21 refs., 12 figs.

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