California was hit by seven earthquakes in eight-and-a-half hours on Sunday morning, four of which were 3.0 or higher.
The first earthquake occurred at 1:30 a.m. local time, two miles northwest of Orinda near Berkely, according to the U.S. Geological Survey. With 2.5 magnitude, it was one of the weakest of the day. Residents reported weak tremors but little damage.
The second earthquake occurred at 3:35 a.m. local time, five miles northeast of Alum Rock in east San Jose, according to the USGS. Its 3.4 magnitude made it one of the day’s strongest. There was widespread shaking, but no damage was reported.
At 4:20 a.m. local time, the third earthquake struck Northern California, two miles northeast of Almanor, less than an hour later. The USGS reported a 3.3 quake. Few reports of light shaking were recorded, but no damage was reported.
The fourth earthquake occurred at 6:05 a.m. local time in the San Francisco Bay Area, five miles southwest of Antioch, an hour and a half later. The USGS reported it was among the weakest of the day at 2.5 and unlikely to be felt.
After 30 minutes, the fifth earthquake occurred in the Eastern Sierra, nine miles west of Toms Place, at 6:38 a.m. local time. It was one of the day’s smaller quakes, measuring 3.0, according to the USGS. Residents reported weak tremors but little damage.
Two hours later, the sixth earthquake occurred in the San Joaquin Valley, central California, 12 miles southwest of Los Banos, at 8:42 a.m. local time. The USGS said the 2.5-magnitude earthquake was unlikely to be felt. Damage was not reported.
The seventh earthquake occurred at 9:56 a.m. local time, two miles southwest of South Pasadena. The USGS stated it was one of the day’s strongest quakes at 3.4. Despite widespread feeling, the earthquake caused no harm.
None of the earthquakes caused injuries.