M1.9 earthquake 6km W of Durham, CA

Magnitude

1.9 (Md, duration), micro

Magnitude from

Northern California Seismic System

Local time

Fri, Aug 9, 2019, 5:47 PM PDT

UTC

2019-08-10 00:47:36 UTC

Depth

30.4 km (18.9 mi), shallow

Epicenter

39.648° N, 121.864° W

Region

California

Tsunami flag

No

Status

Reviewed by a seismologist

Location uncertainty

About 0.6 km horizontally, 1.1 km in depth

Magnitude uncertainty

±0.27

Depth from

From location

Station coverage gap

131°

Stations used

15

• Durham, CaliforniaPopulation 5,518. Forecast5 kmW
• Chico, CaliforniaPopulation 121,345. Forecast9 kmSSW
• Los Angeles, CaliforniaPopulation 3,820,914. Forecast700 kmNNW

After

1. 2.315km NNE of Alder Springs, CAFri, Aug 9, 7:39 PM PDT · 2613 days ago · 48 km deep · 71 km away
2. 1.99km SSE of Mineral, CASat, Aug 10, 9:37 AM PDT · 2613 days ago · -1 km deep · 76 km away
3. 2.29km E of Clearlake Oaks, CASun, Aug 11, 5:42 PM PDT · 2612 days ago · 3 km deep · 92 km away
4. 1.98km WNW of Durham, CAMon, Aug 12, 7:08 AM PDT · 2611 days ago · 27 km deep · 4 km away
5. 1.822km SW of Arbuckle, CASat, Aug 17, 4:50 PM PDT · 2606 days ago · 18 km deep · 91 km away
6. 2.018km ENE of Red Bluff, CASun, Aug 18, 10:44 AM PDT · 2605 days ago · 6 km deep · 70 km away
7. 1.624km W of Rancho Tehama Reserve, CAThu, Aug 22, 4:30 AM PDT · 2601 days ago · 11 km deep · 79 km away
8. 2.610km ENE of Red Bluff, CASat, Aug 24, 11:39 AM PDT · 2599 days ago · 19 km deep · 66 km away · felt by 1
9. 1.820km NE of Red Bluff, CATue, Aug 27, 2:57 AM PDT · 2596 days ago · 12 km deep · 77 km away
10. 1.69km SSE of Lake Pillsbury, CAFri, Aug 30, 12:04 AM PDT · 2593 days ago · 4 km deep · 96 km away
11. 2.48km N of Lake Pillsbury, CAFri, Aug 30, 4:07 PM PDT · 2593 days ago · 12 km deep · 95 km away
12. 2.116km NW of Chester, CAFri, Aug 30, 4:33 PM PDT · 2593 days ago · 7 km deep · 93 km away
13. 1.815km ENE of Mineral, CAFri, Aug 30, 9:18 PM PDT · 2592 days ago · 7 km deep · 92 km away
14. 2.615km SE of Mineral, CASun, Sep 1, 7:08 AM PDT · 2591 days ago · 4 km deep · 78 km away
15. 1.912km W of La Porte, CASun, Sep 1, 6:14 PM PDT · 2591 days ago · 5 km deep · 63 km away
16. 2.020km NE of Red Bluff, CASun, Sep 1, 10:46 PM PDT · 2590 days ago · 6 km deep · 74 km away
17. 1.86km WSW of Belden, CAMon, Sep 2, 12:30 PM PDT · 2590 days ago · 13 km deep · 60 km away
18. 1.61km ENE of Lake Pillsbury, CATue, Sep 3, 3:32 AM PDT · 2589 days ago · 7 km deep · 97 km away
19. 1.813km W of La Porte, CATue, Sep 3, 8:57 AM PDT · 2589 days ago · 4 km deep · 63 km away
20. 2.212km W of La Porte, CATue, Sep 3, 8:25 PM PDT · 2588 days ago · 4 km deep · 64 km away
21. 1.81km WNW of Little Grass Valley, CAWed, Sep 4, 1:38 AM PDT · 2588 days ago · 4 km deep · 75 km away
22. 2.112km WSW of La Porte, CAThu, Sep 5, 4:24 AM PDT · 2587 days ago · 7 km deep · 64 km away
23. 1.88km N of Lake Pillsbury, CAFri, Sep 6, 9:38 AM PDT · 2586 days ago · 10 km deep · 94 km away
24. 1.54km S of East Shore, CAFri, Sep 6, 12:42 PM PDT · 2586 days ago · 8 km deep · 91 km away
25. 2.215km ENE of Willows, CAFri, Sep 6, 8:21 PM PDT · 2585 days ago · 23 km deep · 16 km away
26. 1.910km WSW of Chester, CAMon, Sep 9, 12:57 AM PDT · 2583 days ago · -1 km deep · 82 km away
27. 1.820km NE of Red Bluff, CAWed, Sep 11, 4:50 AM PDT · 2581 days ago · 1 km deep · 75 km away
28. 1.67km SW of South Yuba City, CAFri, Sep 13, 11:43 AM PDT · 2579 days ago · 9 km deep · 65 km away
29. 1.53 km N of Indian Falls, CaliforniaFri, Sep 13, 6:06 PM PDT · 2579 days ago · 10 km deep · 91 km away
30. 1.95km WSW of Greenville, CAFri, Sep 13, 10:08 PM PDT · 2578 days ago · -2 km deep · 91 km away
31. 1.710km WSW of Chester, CASat, Sep 14, 4:45 AM PDT · 2578 days ago · 5 km deep · 83 km away
32. 2.613km W of La Porte, CAMon, Sep 16, 1:22 AM PDT · 2576 days ago · 6 km deep · 63 km away
33. 1.712km W of Loma Rica, CAMon, Sep 16, 10:17 AM PDT · 2576 days ago · 35 km deep · 45 km away
34. 1.716km E of Willows, CAWed, Sep 18, 1:31 AM PDT · 2574 days ago · 23 km deep · 18 km away
35. 2.312km W of La Porte, CASat, Sep 21, 1:31 PM PDT · 2571 days ago · 1 km deep · 63 km away
36. 1.63km NE of Almanor, CASat, Sep 21, 8:26 PM PDT · 2570 days ago · 6 km deep · 89 km away
37. 1.816km NW of Alder Springs, CAMon, Sep 23, 7:32 AM PDT · 2569 days ago · 1 km deep · 86 km away
38. 1.918km NE of Upper Lake, CAWed, Sep 25, 10:08 AM PDT · 2567 days ago · 12 km deep · 88 km away
39. 2.44km ESE of Prattville, CAThu, Sep 26, 5:06 AM PDT · 2566 days ago · 5 km deep · 89 km away · felt by 2
40. 1.618km ESE of Willows, CAFri, Sep 27, 6:00 AM PDT · 2565 days ago · 23 km deep · 26 km away
41. 1.714km NE of Upper Lake, CAWed, Oct 2, 9:30 AM PDT · 2560 days ago · -1 km deep · 91 km away
42. 1.615km SW of Durham, CAThu, Oct 3, 2:32 AM PDT · 2559 days ago · 24 km deep · 13 km away
43. 1.613km SSE of Lake Pillsbury, CASun, Oct 6, 6:17 AM PDT · 2556 days ago · 6 km deep · 99 km away · felt by 1
44. 1.620km NE of Red Bluff, CASun, Oct 6, 8:40 PM PDT · 2555 days ago · 1 km deep · 75 km away
45. 2.81km WNW of Twain, CAMon, Oct 7, 1:11 AM PDT · 2555 days ago · 8 km deep · 80 km away · felt by 2

Before

1. 2.014km NNE of Alder Springs, CAFri, Aug 9, 2:31 PM PDT · 2614 days ago · 43 km deep · 70 km away
2. 2.112km N of Alder Springs, CAFri, Aug 9, 1:12 PM PDT · 2614 days ago · 39 km deep · 73 km away
3. 1.816km NW of Alder Springs, CASun, Jul 21, 5:41 PM PDT · 2633 days ago · 2 km deep · 86 km away
4. 2.013km NNE of Mineral, CAWed, Jul 17, 1:47 PM PDT · 2637 days ago · 2 km deep · 96 km away
5. 1.630km NE of Covelo, CAWed, Jul 17, 7:09 AM PDT · 2637 days ago · -1 km deep · 99 km away
6. 1.67km NNE of Mineral, CATue, Jul 16, 5:07 AM PDT · 2638 days ago · 3 km deep · 90 km away
7. 1.730km NE of Covelo, CAMon, Jul 15, 12:42 PM PDT · 2639 days ago · -1 km deep · 99 km away

From the USGS Earthquake Hazards Program and its partner networks, event nc73246041. Read Mon, Oct 5, 2026, 1:50 PM UTC.