Biggest Earthquakes Near Watsonville, California - USGS Data
Explore the 20 biggest earthquakes within 200 miles of Watsonville, California in the past 365 days, sourced from USGS data. View significant and minor quakes on our interactive map. No major quakes recorded? Discover seismic activity in nearby regions.
Note: This page shows the 20 biggest earthquakes in the region in the past 365 days, regardless of magnitude. Earthquakes smaller than M4.0 are removed after 365 days.
Summary of Biggest Earthquakes
Magnitude Distribution (all magnitudes)
19 M6.0–6.9 earthquakes
1 M7.0–7.9 earthquake
Largest Earthquake
M7.9 at The 1906 San Francisco, California Earthquake on 4/18/1906
Most Recent Major Earthquake
Oldest Major Earthquake
Quick Stats
Time Since Last Major earthquake
21 years, 5 months, 15 days since the last major earthquake (M6.5 at 10 km NE of San Simeon, California on 12/22/2003)
Average Magnitude
6.43 (range: M6.1–M7.9)
Largest Earthquake by Depth
Deepest: M6.9 at 17.2 km (The 1989 Loma Prieta, California Earthquake, 10/18/1989)
Shallowest: M6.5 at 0.0 km (The 1922 Parkfield, California Earthquake, 3/10/1922)