M3.1 earthquake 8km WSW of Devore, CA

Magnitude

3.1 (ml), minor

Local time

Sun, Aug 19, 1956, 10:02 AM GMT-7

UTC

1956-08-19 17:02:06 UTC

Depth

0.8 km (0.5 mi), shallow

Epicenter

34.189° N, 117.479° W

Region

California

Tsunami flag

No

Status

Reviewed by a seismologist

Location uncertainty

About 0.9 km horizontally, 1.8 km in depth

Magnitude uncertainty

±0.08

Depth from

From location

Station coverage gap

111°

Stations used

13

• Lytle Creek, CaliforniaPopulation 701. Forecast8 kmSSE
• Fontana, CaliforniaPopulation 212,704. Forecast12 kmNNW
• Los Angeles, CaliforniaPopulation 3,820,914. Forecast72 kmENE

After

1. 3.112km ENE of Big Bear City, CASat, Aug 25, 4:37 PM GMT-7 · 25595 days ago · 6 km deep · 70 km away
2. 2.38km NNE of Running Springs, CATue, Aug 28, 4:28 AM GMT-7 · 25593 days ago · 6 km deep · 37 km away
3. 2.92km E of Moreno Valley, CATue, Aug 28, 4:01 PM GMT-7 · 25592 days ago · 13 km deep · 39 km away
4. 2.82km ESE of Loma Linda, CATue, Aug 28, 11:21 PM GMT-7 · 25592 days ago · 17 km deep · 28 km away
5. 2.86km E of Running Springs, CAFri, Aug 31, 3:52 PM GMT-7 · 25589 days ago · 2 km deep · 40 km away
6. 2.47km SE of Santa Clarita, CAMon, Sep 3, 6:23 PM GMT-7 · 25586 days ago · 6 km deep · 92 km away
7. 2.43km S of Vincent, CATue, Sep 4, 8:46 PM GMT-7 · 25585 days ago · 3 km deep · 66 km away
8. 2.71km ENE of Vincent, CATue, Sep 4, 11:27 PM GMT-7 · 25585 days ago · 2 km deep · 68 km away
9. 2.32km SE of West Hollywood, CAWed, Sep 5, 2:22 AM GMT-7 · 25585 days ago · 6 km deep · 81 km away
10. 2.49km NNW of Fontana, CAFri, Sep 7, 10:58 AM GMT-7 · 25582 days ago · 0 km deep · 2 km away
11. 2.47km SSE of Lytle Creek, CAMon, Sep 10, 3:32 AM GMT-7 · 25580 days ago · 3 km deep · 1 km away
12. 2.61km NNE of Manhattan Beach, CAThu, Sep 20, 12:14 PM GMT-7 · 25569 days ago · 2 km deep · 92 km away
13. 2.85km WNW of Palos Verdes Estates, CAThu, Sep 20, 1:15 PM GMT-7 · 25569 days ago · 6 km deep · 98 km away
14. 2.88km NNE of Running Springs, CAThu, Sep 20, 3:52 PM GMT-7 · 25569 days ago · 2 km deep · 38 km away
15. 2.62km SW of Culver City, CAWed, Sep 26, 4:30 PM GMT-7 · 25563 days ago · 5 km deep · 88 km away
16. 3.76km NW of San Jacinto, CATue, Oct 2, 12:44 PM GMT-8 · 25557 days ago · 6 km deep · 60 km away
17. 3.26km WNW of San Jacinto, CATue, Oct 2, 5:34 PM GMT-8 · 25557 days ago · 6 km deep · 60 km away
18. 3.012km NE of Cabazon, CASun, Oct 7, 5:32 AM GMT-8 · 25552 days ago · 15 km deep · 76 km away
19. 2.44km N of Fontana, CATue, Oct 16, 2:15 AM GMT-8 · 25544 days ago · 0 km deep · 7 km away

Before

1. 2.54km NW of Fontana, CAThu, Aug 16, 1:00 AM GMT-7 · 25605 days ago · 1 km deep · 8 km away
2. 2.18km SSW of Pearblossum, CAWed, Aug 15, 10:05 AM GMT-7 · 25605 days ago · 3 km deep · 51 km away
3. 2.011km NNE of Bradbury, CAMon, Aug 13, 4:56 PM GMT-7 · 25607 days ago · 14 km deep · 41 km away
4. 2.78km SW of Lytle Creek, CASat, Aug 11, 3:03 AM GMT-7 · 25610 days ago · 2 km deep · 7 km away
5. 1.71km ENE of Studio City, CAMon, Aug 6, 3:09 AM GMT-7 · 25615 days ago · 2 km deep · 83 km away
6. 2.916km SW of Wrightwood, CAWed, Jul 25, 5:43 PM GMT-7 · 25626 days ago · 5 km deep · 29 km away
7. 2.34km WNW of Fontana, CAFri, Jul 20, 1:37 PM GMT-7 · 25631 days ago · 1 km deep · 9 km away

From the USGS Earthquake Hazards Program and its partner networks, event ci3295389. Read Tue, Sep 22, 2026, 11:21 PM UTC.