Crime & Safety

Berkeley residents feel 4.0M earthquake, aftershocks

The USGS reported an earthquake in Fremont, followed by at least eight aftershocks, early Tuesday morning. Image: USGS
The USGS reported an earthquake in Fremont, followed by at least eight aftershocks, early Tuesday morning. Image: USGS

Numerous Berkeley residents woke up just after 2:40 a.m. Tuesday due to a 4.0-magnitude earthquake reported north of Fremont.

At least eight aftershocks had been reported, following the original incident, as of 3:20 a.m.

According to the U.S. Geological Service, a 4.0-magnitude quake was reported at 2:41 a.m. 2 miles north of Fremont, about 30 miles from Berkeley.

On Twitter, local residents reported feeling the quake.


“Very slight swaying on fourth floor downtown Berkeley,” wrote one.

Many others said they felt it, too.

An aftershock with a magnitude of 1.9 was reported by the USGS in the same area north of Fremont at 2:48 a.m.

At least six aftershocks followed the Fremont quake. Image: USGS
At least six aftershocks followed the Fremont quake. Image: USGS

Another aftershock, magnitude 1.0, followed at 2:53 a.m., and a third, magnitude 2.7, was reported at 2:56 a.m.

A fourth, magnitude 1.9, came in at 2:59 a.m. A fifth, magnitude 2.1, was reported at 3 a.m.


At 3:07 a.m., another earthquake was reported, magnitude 2.6. This was followed at 3:16 a.m. by a quake of magnitude 1.3, and another at 3:19 a.m. of magnitude 1.2.

Did you feel the Fremont earthquakes? Let us know in the comments what you noticed.

Tune into the USGS website for updates.

This story was updated as additional aftershocks were reported.

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Berkeley unites for earthquake safety (04.29.13)
Join the Berkeley-wide emergency drill April 27 (04.10.13)
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Gear up for the Big One with help from friends (06.17.10)


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