M1.7 earthquake 46km WSW of Coronado, CA
A magnitude 1.7 earthquake struck 46km WSW of Coronado, CA on Thu, Jun 24, 2021, 8:39 AM PDT (15:39 UTC), 18 km (11 mi) below the surface.
A larger quake followed: M2.9 45km SSE of San Clemente Is. (SE tip), CA. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 1.7 (ML, local (Richter)), micro
- Magnitude from
- Southern California Seismic Network
- Local time
- UTC
- 2021-06-24 15:39:21 UTC
- Depth
- 17.7 km (11.0 mi), shallow
- Epicenter
- 32.521° N, 117.639° W
- Region
- California
- Tsunami flag
- No
- Status
- Reviewed by a seismologist
Did you feel it?
No one has reported feeling this quake to the USGS.
How well it is located
Reviewed by a seismologist.
- Location uncertainty
- About 0.8 km horizontally, 1.4 km in depth
- Magnitude uncertainty
- ±0.20
- Depth from
- From location
- Station coverage gap
- 270°, poorly surrounded by stations
- Stations used
- 19
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.5 and up: 6 in the 60 days after this one and 1 in the 30 days before it.
After
- 1.714km W of Coronado, CA · 1922 days ago · 14 km deep · 33 km away
- 2.945km SSE of San Clemente Is. (SE tip), CA · 1898 days ago · 25 km deep · 53 km away · felt by 2
- 1.714km SW of Coronado, CA · 1895 days ago · 18 km deep · 34 km away
- 2.743km WSW of Encinitas, CA · 1892 days ago · 14 km deep · 48 km away · felt by 5
- 1.913km W of Carlsbad, CA · 1887 days ago · 13 km deep · 70 km away
- 2.55km WSW of Primo Tapia, B.C., MX · 1885 days ago · 15 km deep · 72 km away
Before
Earthquakes todayCalifornia earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event ci39717559. Read Sun, Oct 4, 2026, 2:35 PM UTC.