M3.4 earthquake 17km WNW of Grapevine, CA
A magnitude 3.4 earthquake struck 17km WNW of Grapevine, CA on Tue, Aug 20, 1968, 7:02 PM GMT-7 (02:02 UTC), 13 km (8 mi) below the surface.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 3.4 (ml), minor
- Local time
- UTC
- 1968-08-21 02:02:08 UTC
- Depth
- 12.5 km (7.8 mi), shallow
- Epicenter
- 35.016° N, 119.089° 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 1.1 km horizontally, 1.9 km in depth
- Magnitude uncertainty
- ±0.07
- Depth from
- From location
- Station coverage gap
- 139°
- Stations used
- 14
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.5 and up: 4 in the 60 days after this one and 3 in the 30 days before it.
After
- 2.89km S of Bodfish, CA · 21220 days ago · 1 km deep · 78 km away
- 2.714km NNE of Montecito, CA · 21205 days ago · 0 km deep · 68 km away
- 2.926km ENE of Oildale, CA · 21171 days ago · 0 km deep · 63 km away
- 2.925km WSW of Bodfish, CA · 21170 days ago · 1 km deep · 64 km away
Before
Earthquakes todayCalifornia earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event ci3328678. Read Tue, Sep 29, 2026, 8:49 PM UTC.