Thursday, June 25, 2026

June 24, 2026 Venezuela M7.2 and 7.5 earthquake doublet

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Yesterday at 6 pm local time (3 pm in Arizona) pair of large earthquakes occurred in rapid succession along the northern coast of Venezuela...
Friday, June 5, 2026

Presentation for Harnessing Massive Data Across Geophysical Domains and Applications: Committee on Solid Earth Geophysics Spring Meeting 2026

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I enjoyed the opportunity to present in the spring meeting of the National Academy of Sciences Committee on Solid Earth Geophysics Spring Me...

San Andreas Fault in the Carrizo Plain Field trips

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Recently, I pulled together some notes for the SCEC UNREST Field trip in the Carrizo Plain. It was a great conversation to share with the e...
Tuesday, December 31, 2024

M4-M5 earthquakes in the Awash area of Ethiopia (late 2024)

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There have been numerous M4-M5 earthquakes in the Awash area of Ethiopia over the last few months. This is within the Main Ethiopia Rift at ...
Friday, March 8, 2024

Remembering Thomas C. Hanks

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I attended the Tom Hanks, a Remembrance symposium at the USGS in Moffett Field Oct. 17, 2024. It was a great chance to remember Tom, refle...
Friday, December 15, 2023

Open Science recognition prize at AGU 2023

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Our OpenTopography project was honored at this year's AGU with the Open Science Recognition prize : "For outstanding contributions...
Sunday, May 14, 2023

Determining the cell size of a Digital Elevation Model from point density

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We regulary refer to high resolution topography (HRT) as having Digital Elevation Model (DEM) pixel sizes with their edges less than 1 m. Ma...