PIEDMONT (CBS SF) — A 3.4 magnitude earthquake on the Hayward Fault in Piedmont jolted East Bay residents from their beds early Wednesday, authorities said.

The quake was initially reported to be a 3.7 magnitude but was downgraded to a 3.4 by the US Geological Survey at 5:26 a.m.

The quake struck at 4:42 a.m. with an epicenter 3 miles north of Piedmont near Highway 13 and Tunnel Road in the Oakland Hills. The temblor was felt throughout the East Bay and as far away as Pacifica and San Jose.

Map of magnitude 3.4 earthquake that struck Piedmont on January 16, 2019. (USGS)

Map of magnitude 3.4 earthquake that struck Piedmont on January 16, 2019. (USGS)

There were at least two small aftershocks measuring 1.9 and 2.0 in magnitude. There were no immediate reports of damage or injuries.

On the KPIX 5 Facebook page, Marcus Edell posted: “Just sitting up to get out of bed. Quick jolt.”

Likewise for Reynaldo Leon: “Yes, I felt it in Oakland.”

It woke up Deborah Wendel: “Yes…in the Oakland Hills above the zoo.”

April Colin felt it in Half Moon Bay.

“Yes in halfmoon bay,” she posted. “It woke me up.”

Diana Nelson felt it in the South Bay.

“I also felt the 3.7 earthquake this morning,” she emailed KPIX 5. “I’m at the Santa Clara/San Jose border neat Santa Clara University.”

BART service is recovering from earlier delays, as crews performed track inspections following the quake.

Comments
  1. An epicenter of Hwy 13 and Tunnel Road in the Oakland Hills sounds like Oakland, not Piedmont. How about calling it an Oakland quake?

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