Residents from Rancho Bernardo to Chula Vista to El Cajon reported feeling and hearing a shaking and boom in an event similar to one from Feb. 16.
For the second time in about three weeks, residents from across San Diego County reported feeling a mysterious shaking — or in some cases hearing a loud boom — late in the afternoon Wednesday.
The United States Geological Survey reported no seismic activity in the area, but around 4:55 p.m., people from at least as far north as Rancho Bernardo, as far south as Chula Vista and as far east as El Cajon reported feeling the shaking.
Wednesday’s mystery event was similar to one that occurred a little after 5 p.m. on Feb. 16. Both incidents were mostly reported by residents in South and East counties and along the Interstate 8 corridor.
After the Feb. 16 incident, the Geological Survey tweeted “it may have been a sonic boom,” adding that such occurrences “are not too uncommon” in San Diego. More at SD Union Tribune
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