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The Center, Body, and Range of Technically Defensible Interpretations. The CBD of TDI.

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Category: San Francisco

Earthquake Report: Mendocino fault

Posted on: March 9, 2020 Last updated on: March 9, 2020 Written by: Jay Patton Comments: 0
I was in Humboldt County last week for the Redwood Coast Tsunami Work Group meeting. I stayed there working on my house that a previous tenant had left in quite a destroyed state (they moved in as friends of mine).…
Continue reading “Earthquake Report: Mendocino fault”…

Earthquake Report: 1989 Loma Prieta!

Posted on: October 14, 2019 Last updated on: October 17, 2023 Written by: Jay Patton Comments: 0
Well, I prepared this report for the 30th anniversary of the 18 Oct 1989 Loma Prieta M 6.9 earthquake in central California, a.k.a. the World Series Earthquake (it happened during the 1989 World Series game at Candlestick Park in San…
Continue reading “Earthquake Report: 1989 Loma Prieta!”…

Earthquake Report: Berkeley, CA (Hayward fault)

Posted on: January 4, 2018 Last updated on: January 4, 2018 Written by: Jay Patton Comments: 0
There was an earthquake last night (local time) in Berkeley, aligned with the Hayward fault. The Hayward fault is one of the synthetic sister faults to the San Andreas fault, the major player in the dextral (right-lateral, strike-slip) plate boundary…
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San Francisco Bay: San Ramon Earthquake Swarm!

Posted on: October 20, 2015 Last updated on: October 20, 2015 Written by: Jay Patton Comments: 4
Those of you in the region of the San Francisco Bay are probably wondering what the likelihood that this recent and ongoing swarm of earthquakes in the San Ramon area may lead to a larger earthquake. I do not know,…
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Small Earthquake in San Francisco Region

Posted on: May 3, 2015 Last updated on: May 3, 2015 Written by: Jay Patton Comments: 2
There was a M 3.6 earthquake near Concord, CA. This earthquake was felt widely across the S.F. Bay area. The two earthquakes plotted in the map below are both just southeast of the 2014 August Napa earthquake. The Napa earthquake,…
Continue reading “Small Earthquake in San Francisco Region”…
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