Dating large infrequent earthquakes by damaged cave deposits

Citation

Material Information

Title:
Dating large infrequent earthquakes by damaged cave deposits
Series Title:
Geology
Creator:
Kagan, Elisa J.
Agnon, Amotz
Bar-Matthews, Miryam
Ayalon, Avner
Publication Date:
Language:
English

Subjects

Subjects / Keywords:
Eearthquake Physics ( local )
Dating ( local )
Large Infrequent Earthquake ( local )
Damaged Cave Deposits ( local )
Genre:
serial ( sobekcm )

Notes

Abstract:
The long-term recurrence patterns of past earthquakes are of considerable consequence for hazard assessments, and have implications for earthquake physics. We introduce a rigorously dated record of earthquakes from an extensive number of well-preserved preseismic and postseismic precipitates from caves located off the Dead Sea transform. We dated events directly at the paleoseismic contact by means of a novel correlation method with the oxygen isotope record of the speleothems recovered in one of the caves. Within the 185 k.y. covered, we dated 38 seismite samples. These stem from 13–18 earthquakes with a mean recurrence interval of ∼10–14 k.y. We show that the deformational events dated in the study caves complement independent near-fault paleoseismic records by temporal correlation with the earthquakes recorded therein. This opens up a significant new avenue of earthquake research that will provide precise dating and observational constraints on large infrequent earthquakes.
Original Version:
Geology, Vol. 33, no. 4 (2005-04-01).

Record Information

Source Institution:
University of South Florida Library
Holding Location:
University of South Florida
Rights Management:
This object is protected by copyright, and is made available here for research and educational purposes. Permission to reuse, publish, or reproduce the object beyond the bounds of Fair Use or other exemptions to copyright law must be obtained from the copyright holder.

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University of South Florida
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