Unknown (possibly thrust or reverse and/or with some strike-slip component)
Areas affected
California
Total damage
Limited
Max. intensity
MMI X (Extreme)
Tsunami
2 meters (6.6 feet)
Landslides
Yes
Casualties
None
The Lompoc earthquake of 1927 occurred at 5:49 a.m. Pacific Standard Time (PST), on November 4 with an epicenter off the coast of Lompoc, Santa Barbara County in Southern California.[1] It is one of the largest earthquakes to have occurred off the coast of California, measuring a surface-wave magnitude of 7.3.[2][3][4] The earthquake may have originated along the Hosgri Fault, an entirely offshore structure.[5] Shaking from the earthquake and an unusually large tsunami caused some damage to communities near the earthquake. Due to its location and the area being sparsely populated at the time, there were no human fatalities reported. It is the only California-generated tsunami recorded in Hawaii.[6]
^"M 6.9 - offshore Central California". US Geological Survey. Retrieved 24 November 2020.
^William Gawthrop (1978). "The 1927 Lompoc, California earthquake". Bulletin of the Seismological Society of America. 68 (6): 1705–1716. Retrieved 2 July 2021.
^"Significant Earthquake Information". NOAA NCEI. Retrieved 24 November 2020.
^"Preferred Magnitudes of Selected Significant Earthquakes" (PDF). USGS. 24 June 2013. Retrieved 24 November 2020.
^D. V. HELMBERGER, P. G. SOMERVILLE, AND E. GARNERO (August 1992). "THE LOCATION AND SOURCE PARAMETERS OF THE LOMPOC, CALIFORNIA, EARTHQUAKE OF 4 NOVEMBER 1927" (PDF). Bulletin of the Seismological Society of America. 82.{{cite journal}}: CS1 maint: multiple names: authors list (link)
^KENJI SATAKE AND PAUL G. SOMERVILLE (August 1992). "LOCATION AND SIZE OF THE 1927 LOMPOC, CALIFORNIA, EARTHQUAKE FROM TSUNAMI DATA". Bulletin of the Seismological Society of America. 82. CiteSeerX 10.1.1.988.9910.
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