ANGWIN, Calif. (KRON) — Several earthquakes shook the North Bay early Thursday morning.

According to the United States Geological Survey, the first 3.6 magnitude quake was recorded around 1 a.m. just under eight miles from Angwin, and nine miles from Saint Helena.

It was followed by four smaller earthquakes.

Here are the earthquakes’ proximity to other places:

  • Santa Rosa: 22.3 mi WSW
  • Vallejo: 30.5 mi S

Another small earthquake came around 4:21 a.m. in the same area.