Magnitude 4.0 Earthquake Rattles Big Bear Lake
BIG BEAR LAKE (CBSLA.com) — A magnitude-4.0 earthquake shook near Big Bear Lake on Wednesday morning.
According to the U.S. Geological Survey, the quake was reported with a preliminary magnitude 4.5 around 9:15 a.m., with the epicenter about 12 kilometers south-southeast of Big Bear Lake.
Shortly before 10 a.m., officials downgraded the magnitude of the quake.
USGS Seismologist Lucy Jones posted on Twitter that she felt the jolt during a Southern California Earthquake Center meeting.
First EQ I have ever felt at a @SCEC meeting! M4.5 8 miles SSE of Big Bear. http://t.co/Uhmwr3MtZp
— Dr. Lucy Jones (@DrLucyJones) September 16, 2015
M4.5 Big Bear EQ close to San Andreas, but preliminary focal mechanism shows oblique normal faulting, not SAF type. http://t.co/gSZQl3pUjd
— Dr. Lucy Jones (@DrLucyJones) September 16, 2015
Meanwhile, San Bernardino County Supervisor Josie Gonzales reported the quake rattled for 20 seconds.
#Earthquake of approx. 20 seconds of shaking at 9:11 a.m. felt at County Government Center
— Josie Gonzales (@SupervisorJosie) September 16, 2015
The San Bernardino County Sheriff's Department has confirmed there have been no reports of injuries or damage.
Earthquake centered in Big Bear..shook us in San Bernardino. No reports of injury or damage in the mountain communities.
— Cindy Bachman (@SBCSDcbachman) September 16, 2015
Shortly before 10 a.m., officials downgraded the magnitude of the quake.
An earthquake with a preliminary magnitude of 2.8 was reported in the same area at 8:13 p.m. Wednesday.