Today: 3.9 magnitude earthquake near San Ramon, California, United States
Yesterday: 4.0 magnitude earthquake near San Ramon, California, United States
2.1 magnitude earthquake 6 km from Cobb, California, United States
2025-12-21 03:17:15 UTC
UTC time:
Sunday, December 21, 2025 03:17 AM
Your time:
2025-12-21T03:17:15Z
Magnitude Type:
md
USGS page:
M 2.1 - 6 km NW of The Geysers, CA
USGS status:
Not reviewed by a seismologist
Reports from the public:
0 people
2025-12-21 03:17:15 UTC
2.1 magnitude, 2 km depth
Cobb, California, United States
Cobb, California, United States
2.1 magnitude earthquake
Today
2025-12-21 03:17:15 UTC
at 03:17
December 21, 2025 UTC
Location:
Epicenter at 38.822, -122.803
6.2 km from
Cobb
(4.2 miles)
Depth: 2 km