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Shallow moonquakes - How they compare with earthquakesOf three types of moonquakes strong enough to be detectable at large distances - deep moonquakes, meteoroid impacts and shallow moonquakes - only shallow moonquakes are similar in nature to earthquakes. A comparison of various characteristics of moonquakes with those of earthquakes indeed shows a remarkable similarity between shallow moonquakes and intraplate earthquakes: (1) their occurrences are not controlled by tides; (2) they appear to occur in locations where there is evidence of structural weaknesses; (3) the relative abundances of small and large quakes (b-values) are similar, suggesting similar mechanisms; and (4) even the levels of activity may be close. The shallow moonquakes may be quite comparable in nature to intraplate earthquakes, and they may be of similar origin.
Document ID
19820038823
Acquisition Source
Legacy CDMS
Document Type
Conference Proceedings
Authors
Nakamura, Y.
(Texas, University Galveston, TX, United States)
Date Acquired
August 10, 2013
Publication Date
January 1, 1980
Subject Category
Lunar And Planetary Exploration
Meeting Information
Meeting: Lunar and Planetary Science Conference
Location: Houston, TX
Start Date: March 17, 1980
End Date: March 21, 1980
Accession Number
82A22358
Funding Number(s)
CONTRACT_GRANT: NSG-7418
Distribution Limits
Public
Copyright
Other

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