M3.1 earthquake 23km SSW of Carpinteria, CA

Magnitude

3.1 (ml), minor

Local time

Wed, Jul 31, 1968, 3:10 AM GMT-7

UTC

1968-07-31 10:10:51 UTC

Depth

9.7 km (6.0 mi), shallow

Epicenter

34.218° N, 119.639° W

Region

California

Tsunami flag

No

Status

Reviewed by a seismologist

Location uncertainty

About 1.8 km horizontally, 1.8 km in depth

Magnitude uncertainty

±0.10

Depth from

From location

Station coverage gap

222°, poorly surrounded by stations

Stations used

8

• Summerland, CaliforniaPopulation 1,448. Forecast23 kmS
• Carpinteria, CaliforniaPopulation 13,727. Forecast23 kmSSW
• Oxnard, CaliforniaPopulation 207,254. Forecast43 kmW
• Los Angeles, CaliforniaPopulation 3,820,914. Forecast130 kmW

After

1. 3.414km SSW of Carpinteria, CAWed, Jul 31, 5:19 AM GMT-7 · 21237 days ago · 9 km deep · 9 km away
2. 3.820km SSW of Carpinteria, CAWed, Jul 31, 3:44 PM GMT-7 · 21237 days ago · 9 km deep · 3 km away
3. 3.121km SSW of Carpinteria, CASat, Aug 3, 5:55 AM GMT-7 · 21234 days ago · 10 km deep · 2 km away
4. 2.716km WNW of Malibu, CATue, Aug 13, 1:41 AM GMT-7 · 21224 days ago · 6 km deep · 64 km away
5. 3.114km N of Los Alamos, CAFri, Aug 16, 5:12 AM GMT-7 · 21221 days ago · 6 km deep · 92 km away
6. 2.714km NNE of Montecito, CASun, Sep 8, 3:27 PM GMT-7 · 21198 days ago · 0 km deep · 38 km away

Before

1. 2.923km NNW of Santa Cruz Is. (E end), CAWed, Jul 31, 3:08 AM GMT-7 · 21237 days ago · 8 km deep · 1 km away
2. 3.421km NW of Santa Cruz Is. (E end), CATue, Jul 30, 12:11 PM GMT-7 · 21238 days ago · 10 km deep · 9 km away
3. 3.620km NW of Santa Cruz Is. (E end), CAMon, Jul 29, 11:03 PM GMT-7 · 21238 days ago · 9 km deep · 6 km away
4. 3.523km NW of Santa Cruz Is. (E end), CASun, Jul 14, 5:40 AM GMT-7 · 21254 days ago · 2 km deep · 6 km away
5. 3.321km ENE of Santa Cruz Is. (NW end), CAFri, Jul 12, 1:59 PM GMT-7 · 21256 days ago · 2 km deep · 10 km away
6. 3.522km ENE of Santa Cruz Is. (NW end), CAWed, Jul 10, 2:49 PM GMT-7 · 21258 days ago · 6 km deep · 9 km away
7. 3.023km NE of Santa Cruz Is. (NW end), CAWed, Jul 10, 1:14 AM GMT-7 · 21258 days ago · 2 km deep · 8 km away
8. 2.922km S of Santa Barbara, CATue, Jul 9, 12:13 PM GMT-7 · 21259 days ago · 0 km deep · 7 km away
9. 3.222km NNW of Santa Cruz Is. (E end), CAMon, Jul 8, 10:40 PM GMT-7 · 21259 days ago · 7 km deep · 1 km away
10. 3.021km NW of Santa Cruz Is. (E end), CAMon, Jul 8, 4:58 PM GMT-7 · 21259 days ago · 4 km deep · 5 km away
11. 3.121km SSW of Carpinteria, CAMon, Jul 8, 8:56 AM GMT-7 · 21260 days ago · 7 km deep · 3 km away
12. 2.924km SSE of Santa Barbara, CAMon, Jul 8, 8:55 AM GMT-7 · 21260 days ago · 7 km deep · 1 km away
13. 3.822km NW of Santa Cruz Is. (E end), CAMon, Jul 8, 2:18 AM GMT-7 · 21260 days ago · 14 km deep · 3 km away
14. 3.619km SSW of Carpinteria, CAMon, Jul 8, 2:06 AM GMT-7 · 21260 days ago · 12 km deep · 4 km away
15. 3.421km NNW of Santa Cruz Is. (E end), CAMon, Jul 8, 1:22 AM GMT-7 · 21260 days ago · 9 km deep · 3 km away
16. 3.322km NNW of Santa Cruz Is. (E end), CASun, Jul 7, 1:30 PM GMT-7 · 21261 days ago · 7 km deep · 1 km away
17. 3.322km NE of Santa Cruz Is. (NW end), CASun, Jul 7, 9:22 AM GMT-7 · 21261 days ago · 0 km deep · 10 km away
18. 4.619km NE of Santa Cruz Is. (NW end), CASun, Jul 7, 7:33 AM GMT-7 · 21261 days ago · 21 km deep · 15 km away
19. 3.517km WNW of Santa Cruz Is. (E end), CASat, Jul 6, 10:27 PM GMT-7 · 21261 days ago · 0 km deep · 15 km away
20. 3.322km NW of Santa Cruz Is. (E end), CASat, Jul 6, 9:56 PM GMT-7 · 21261 days ago · 0 km deep · 5 km away

From the USGS Earthquake Hazards Program and its partner networks, event ci3328647. Read Tue, Sep 22, 2026, 10:55 AM UTC.