Two relatively low-magnitude earthquakes struck the San Francisco area on Thursday night.

The first earthquake hit the area at about 2:30 p.m. about two miles southeast of the University of California-Berkeley campus. The 3.9 magnitude earthquake had a depth of about 6.1 miles, according to the U.S. Geological Survey, but no damage or injuries were reported.

Approximately six hours later another earthquake struck in the same area near San Francisco and Berkeley. The second earthquake also had a 3.9 magnitude and did not cause any damage or injuries, according to Berkeley area police.

The earthquakes occurred almost 22 years to the day of the San Francisco earthquakes that halted the 1989 World Series. The 6.9 magnitude earthquake killed 63 people and caused close to $10 billion in damages in the Bay Area.

Earlier on Thursday, another earthquake struck near the San Antonio area in Texas. A 4.8 magnitude earthquake struck Karnes County - about 47 miles away from San Antonio - at approximately 7:24 a.m. local time.

The earthquake is the largest on record for the area, but there have been no reported injuries or damages to the area. The previous largest earthquake was a 4.3 magnitude 'quake in 1993.

That area in Texas experiences small earthquakes from time to time, but Thursday's was a bit unusual, according to USGS geophysicist Don Blakeman.