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The Caltech Seismological Laboratory is an arm of the Division of Geological and Planetary Sciences of the California Institute of Technology.Known as "the Seismo Lab", it has been a world center for seismology research since the 1920s, and was for many decades a go-to source for rapid (and quotable) commentary to the press on large earthquakes.
The Malibu earthquake was part of the 14th seismic sequence this year in Southern California with at least one magnitude 4 or higher earthquake, said seismologist Lucy Jones, a Caltech research ...
Dr Lucy Jones in 1994. Lucile M. Jones (born 1955) is an American seismologist and public voice for earthquake science and earthquake safety in California. [1] One of the foremost and trusted public authorities on earthquakes, [2] Jones is viewed by many in Southern California as "the Beyoncé of earthquakes" who is frequently called upon to provide information on recent earthquakes.
At 8:19 p.m. PDT on July 5, a larger 7.1 M w earthquake occurred in the Ridgecrest area after being preceded by a 5.0 M w foreshock 3 minutes prior, [23] revealing the previous day's 6.4 M w earthquake to have been a foreshock. All three earthquakes have been described by the United States Geological Survey as occurring via shallow strike-slip ...
The Caltech scientists concluded that the latter explanation appears to be the answer. That's based on high-resolution underground images re-created with the use of several dozen seismometers ...
By the count of seismologist Lucy Jones, a Caltech research associate, Southern California has felt 15 independent seismic sequences this year, with at least one magnitude 4 or higher earthquake ...
ShakeAlert generated warnings for both the July 5 M W 6.4 and July 5 M W 7.1 Ridgecrest earthquakes. Although not yet publicly available, beta users of the QuakeAlert mobile app received warnings on their phones. [65] On average, the app's beta users received a warning of 45 seconds for both earthquakes. [66]
The National Weather Service said that the tsunami warning that extended along 500 miles (800 km) of the California and Oregon coasts was called off about 90 minutes after the earthquake struck at ...