By Miriam Raftery
April 3, 2020 (San Diego's East County) -- A quake measuring 4.9 on the Richter scale occurred this evening at 6:53 p.m. near Anza, at the boundary of San Diego and Riverside counties. The U.S. Geological Survey earlier ranked the quake a 4.6 but later upgraded its intensity.
The shallow quake, at a depth of about 6.6 miles, occurred along the San Jacinto fault which seismologists have previously indicated is capable of generating a powerful quake up to 7.5 in magnitude. There is a 5 percent chance that this quake could be a precurser to a large quake within the next 48 hours, seismologist Tom Rockwell with San Diego State University told the San Diego Union Tribune.
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