M4.6 earthquake 9km WSW of Grapevine, CA
A magnitude 4.6 earthquake struck 9km WSW of Grapevine, CA on Thu, Feb 23, 1939, 1:18 AM GMT-8 (09:18 UTC), 6 km (4 mi) below the surface.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 4.6 (ml), light
- Local time
- UTC
- 1939-02-23 09:18:46 UTC
- Depth
- 6.0 km (3.7 mi), shallow
- Epicenter
- 34.902° N, 119.012° 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 1.2 km horizontally, 31.6 km in depth
- Magnitude uncertainty
- ±0.13
- Depth from
- Operator assigned
- Station coverage gap
- 110°
- Stations used
- 6
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.6 and up: 9 in the 60 days after this one and 3 in the 30 days before it.
After
- 3.36km WNW of Grapevine, CA · 31996 days ago · 6 km deep · 8 km away
- 2.912km NNW of Grapevine, CA · 31996 days ago · 6 km deep · 14 km away
- 3.24km W of Grapevine, CA · 31996 days ago · 6 km deep · 6 km away
- 3.810km NW of Frazier Park, CA · 31984 days ago · 6 km deep · 4 km away
- 2.67km W of Grapevine, CA · 31984 days ago · 6 km deep · 4 km away
- 2.715km WSW of Lake Hughes, CA · 31981 days ago · 6 km deep · 50 km away
- 2.720km SSW of Santa Barbara, CA · 31961 days ago · 6 km deep · 99 km away
- 2.311km WNW of Neenach, CA · 31953 days ago · 6 km deep · 29 km away
- 2.52km SSE of Grapevine, CA · 31946 days ago · 6 km deep · 9 km away
Before
Earthquakes todayCalifornia earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event ci3364903 (also filed as ushis1240). Read Wed, Sep 30, 2026, 6:39 PM UTC.