Movie showing ground motion of four earthquakes propagating across a high density seismic array in Long Beach, California. Data was recorded by NodalSeismic,…

Seth Dixon, Ph.D.‘s insight:

Seismic activity is to be expected in the Los Angeles region as the major hazard threat in the area.  This area has a great number of sensors which now allows us to visualize seismic waves better than ever before.  This video show 4 earthquakes (starting at 0:45, 2:20, 6:00, and 8:35).  For more information on the science behind this clip, read the adptly named blog, The Trembling Earth.

Tags: visualization, disasters, physical, Los Angeles.

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