M1.9 earthquake 8km SW of Ridgemark, CA

Magnitude

1.9 (Md, duration), micro

Magnitude from

Northern California Seismic System

Local time

Thu, Apr 23, 2020, 1:17 AM PDT

UTC

2020-04-23 08:17:27 UTC

Depth

11.2 km (6.9 mi), shallow

Epicenter

36.756° N, 121.424° W

Region

California

Tsunami flag

No

Status

Reviewed by a seismologist

Location uncertainty

About 0.2 km horizontally, 0.3 km in depth

Magnitude uncertainty

±0.22

Depth from

From location

Station coverage gap

55°

Stations used

61

• Ridgemark, CaliforniaPopulation 3,016. Forecast8 kmSW
• Hollister, CaliforniaPopulation 37,462. Forecast11 kmS
• Salinas, CaliforniaPopulation 157,380. Forecast22 kmENE
• Los Angeles, CaliforniaPopulation 3,820,914. Forecast416 kmNW

After

1. 2.210km SE of Pinnacles, CAThu, Apr 23, 8:42 AM PDT · 2356 days ago · 7 km deep · 46 km away
2. 2.010km SE of Pinnacles, CAThu, Apr 23, 8:47 AM PDT · 2356 days ago · 7 km deep · 45 km away
3. 2.110km SE of Pinnacles, CAThu, Apr 23, 9:02 AM PDT · 2356 days ago · 7 km deep · 46 km away
4. 1.623km E of Point Sur, CAFri, Apr 24, 8:10 AM PDT · 2355 days ago · 9 km deep · 55 km away
5. 2.07km NNE of Alum Rock, CASun, Apr 26, 6:34 AM PDT · 2353 days ago · 5 km deep · 81 km away · felt by 1
6. 1.98km NNE of New Idria, CASun, Apr 26, 12:03 PM PDT · 2352 days ago · 5 km deep · 76 km away
7. 1.54km ESE of Aromas, CASun, Apr 26, 11:22 PM PDT · 2352 days ago · 6 km deep · 21 km away
8. 1.519km SSE of Livermore, CAMon, Apr 27, 7:02 PM PDT · 2351 days ago · 4 km deep · 89 km away
9. 2.012km ESE of Gilroy, CAWed, Apr 29, 5:57 PM PDT · 2349 days ago · 4 km deep · 23 km away
10. 1.92km ESE of Aromas, CAWed, Apr 29, 7:14 PM PDT · 2349 days ago · 8 km deep · 23 km away
11. 2.013km ESE of Alum Rock, CASat, May 2, 5:07 PM PDT · 2346 days ago · 7 km deep · 68 km away
12. 1.916km NW of Pinnacles, CASat, May 2, 11:12 PM PDT · 2346 days ago · 4 km deep · 20 km away
13. 1.533km NE of Pinnacles, CASun, May 3, 7:02 AM PDT · 2346 days ago · 7 km deep · 53 km away
14. 1.815km NW of Pinnacles, CASun, May 3, 9:51 PM PDT · 2345 days ago · 7 km deep · 20 km away
15. 1.717km SSE of Tres Pinos, CAMon, May 4, 3:07 AM PDT · 2345 days ago · 6 km deep · 19 km away
16. 2.98km ESE of Prunedale, CAMon, May 4, 9:46 AM PDT · 2344 days ago · 3 km deep · 15 km away · felt by 2
17. 1.65km NNE of Pinnacles, CAMon, May 4, 4:29 PM PDT · 2344 days ago · 8 km deep · 33 km away
18. 2.414km SW of New Idria, CAWed, May 6, 7:38 AM PDT · 2343 days ago · 16 km deep · 74 km away
19. 1.913km ESE of Point Sur, CAFri, May 8, 2:42 AM PDT · 2341 days ago · 12 km deep · 62 km away
20. 2.323km NNE of San Ardo, CAFri, May 8, 5:55 PM PDT · 2340 days ago · 8 km deep · 86 km away
21. 2.312km S of Tres Pinos, CASat, May 9, 5:52 PM PDT · 2339 days ago · 4 km deep · 13 km away
22. 2.426km NNW of New Idria, CASun, May 10, 8:57 AM PDT · 2339 days ago · -1 km deep · 59 km away · felt by 2
23. 1.73km SW of Lexington Hills, CASun, May 10, 10:20 AM PDT · 2338 days ago · 13 km deep · 67 km away
24. 2.021km SE of Pinnacles, CASun, May 10, 6:14 PM PDT · 2338 days ago · 8 km deep · 56 km away
25. 1.95km ESE of Pinnacles, CATue, May 12, 11:05 AM PDT · 2336 days ago · 6 km deep · 40 km away
26. 1.89km ENE of Morgan Hill, CATue, May 12, 8:14 PM PDT · 2336 days ago · 1 km deep · 47 km away
27. 2.07km NE of Pinnacles, CAWed, May 13, 1:41 AM PDT · 2336 days ago · 11 km deep · 36 km away
28. 1.67km NE of Pinnacles, CAWed, May 13, 1:52 AM PDT · 2336 days ago · 10 km deep · 36 km away
29. 1.88km NE of Pinnacles, CAWed, May 13, 2:13 AM PDT · 2336 days ago · 11 km deep · 36 km away
30. 1.66km NNW of Pinnacles, CAWed, May 13, 2:03 PM PDT · 2335 days ago · 5 km deep · 30 km away
31. 2.46km NNW of Pinnacles, CAWed, May 13, 10:50 PM PDT · 2335 days ago · 6 km deep · 29 km away · felt by 2
32. 2.05km SE of Tres Pinos, CAFri, May 15, 6:39 PM PDT · 2333 days ago · 8 km deep · 13 km away
33. 1.922km NE of San Ardo, CAFri, May 15, 11:58 PM PDT · 2333 days ago · 6 km deep · 89 km away
34. 3.212km S of Tres Pinos, CASat, May 16, 9:38 AM PDT · 2332 days ago · 4 km deep · 13 km away · felt by 15
35. 1.912km S of Tres Pinos, CASat, May 16, 11:29 AM PDT · 2332 days ago · 1 km deep · 13 km away
36. 1.813km SSE of Livermore, CASat, May 16, 6:54 PM PDT · 2332 days ago · 6 km deep · 95 km away
37. 1.64km ESE of Fremont, CAMon, May 18, 1:05 AM PDT · 2331 days ago · 6 km deep · 97 km away
38. 2.518km SE of Pinnacles, CAMon, May 18, 4:22 PM PDT · 2330 days ago · 7 km deep · 53 km away · felt by 3
39. 1.728km SW of Gustine, CAMon, May 18, 10:42 PM PDT · 2330 days ago · 2 km deep · 42 km away
40. 2.16km NNW of Pinnacles, CAMon, May 18, 11:32 PM PDT · 2330 days ago · 6 km deep · 29 km away
41. 1.513km S of Tres Pinos, CATue, May 19, 2:22 AM PDT · 2330 days ago · 12 km deep · 14 km away
42. 2.423km WSW of New Idria, CATue, May 19, 8:43 AM PDT · 2330 days ago · 10 km deep · 63 km away
43. 1.614km SSE of Tres Pinos, CAWed, May 20, 5:19 AM PDT · 2329 days ago · 3 km deep · 16 km away
44. 1.512km SSW of Tres Pinos, CAWed, May 20, 9:23 AM PDT · 2328 days ago · 0 km deep · 9 km away
45. 2.76km NNW of Pinnacles, CAFri, May 22, 4:46 AM PDT · 2327 days ago · 6 km deep · 29 km away
46. 2.56km NNW of Pinnacles, CAFri, May 22, 4:46 AM PDT · 2327 days ago · 6 km deep · 30 km away · felt by 1
47. 2.06km NNW of Pinnacles, CAFri, May 22, 4:48 AM PDT · 2327 days ago · 6 km deep · 30 km away
48. 1.610km NW of Pinnacles, CAFri, May 22, 5:27 AM PDT · 2327 days ago · 5 km deep · 25 km away
49. 2.010km N of Pinnacles, CAFri, May 22, 2:43 PM PDT · 2326 days ago · 5 km deep · 28 km away
50. 1.810km E of Alum Rock, CAFri, May 22, 3:47 PM PDT · 2326 days ago · 9 km deep · 72 km away
51. 1.610km E of Alum Rock, CAFri, May 22, 3:49 PM PDT · 2326 days ago · 9 km deep · 72 km away
52. 1.911km E of Alum Rock, CAFri, May 22, 4:48 PM PDT · 2326 days ago · 8 km deep · 71 km away
53. 2.011km E of Alum Rock, CAFri, May 22, 4:50 PM PDT · 2326 days ago · 8 km deep · 71 km away
54. 2.311km E of Alum Rock, CAFri, May 22, 5:14 PM PDT · 2326 days ago · 8 km deep · 71 km away
55. 2.211km ESE of Alum Rock, CAFri, May 22, 5:22 PM PDT · 2326 days ago · 8 km deep · 70 km away
56. 2.411km ESE of Alum Rock, CAFri, May 22, 5:36 PM PDT · 2326 days ago · 8 km deep · 70 km away
57. 2.311km ESE of Alum Rock, CAFri, May 22, 5:37 PM PDT · 2326 days ago · 8 km deep · 70 km away
58. 2.110km N of Pinnacles, CAFri, May 22, 5:38 PM PDT · 2326 days ago · 5 km deep · 27 km away
59. 1.511km ESE of Alum Rock, CAFri, May 22, 5:40 PM PDT · 2326 days ago · 9 km deep · 70 km away
60. 2.310km N of Pinnacles, CAFri, May 22, 5:55 PM PDT · 2326 days ago · 5 km deep · 28 km away

The first 60 of 129.

Before

1. 2.34km ESE of San Juan Bautista, CAMon, Apr 20, 7:15 AM PDT · 2359 days ago · 10 km deep · 11 km away
2. 1.59km WNW of New Idria, CAMon, Apr 20, 4:38 AM PDT · 2359 days ago · 11 km deep · 68 km away
3. 1.610km WNW of New Idria, CAMon, Apr 20, 4:19 AM PDT · 2359 days ago · 11 km deep · 67 km away
4. 2.07km SE of New Idria, CASun, Apr 19, 9:46 AM PDT · 2359 days ago · 20 km deep · 84 km away
5. 2.413km NNW of Point Sur, CAFri, Apr 17, 5:38 PM PDT · 2361 days ago · 11 km deep · 61 km away · felt by 2
6. 1.84km NE of Pinnacles, CAFri, Apr 17, 12:48 PM PDT · 2361 days ago · 8 km deep · 35 km away
7. 2.06km NNW of Pinnacles, CAFri, Apr 17, 6:11 AM PDT · 2362 days ago · 5 km deep · 29 km away
8. 1.525km NE of Hollister, CAThu, Apr 16, 9:39 PM PDT · 2362 days ago · 1 km deep · 34 km away
9. 1.92km NE of Hollister, CATue, Apr 14, 11:57 PM PDT · 2364 days ago · 8 km deep · 12 km away
10. 2.124km S of New Idria, CATue, Apr 14, 7:06 PM PDT · 2364 days ago · 8 km deep · 89 km away
11. 2.68km ENE of Pinnacles, CATue, Apr 14, 5:37 AM PDT · 2365 days ago · 10 km deep · 39 km away · felt by 3
12. 2.211km NW of Pinnacles, CAMon, Apr 13, 2:23 PM PDT · 2365 days ago · 9 km deep · 25 km away
13. 1.85km NNE of Pinnacles, CASun, Apr 12, 10:12 PM PDT · 2366 days ago · 9 km deep · 33 km away
14. 1.823km ENE of San Ardo, CASun, Apr 12, 4:03 PM PDT · 2366 days ago · 7 km deep · 98 km away
15. 2.223km ENE of San Lucas, CASun, Apr 12, 1:59 PM PDT · 2366 days ago · 6 km deep · 81 km away
16. 1.910km SE of Pinnacles, CASat, Apr 11, 8:57 AM PDT · 2368 days ago · 6 km deep · 45 km away
17. 3.44km ESE of New Idria, CAFri, Apr 10, 1:59 AM PDT · 2369 days ago · 11 km deep · 81 km away · felt by 8
18. 1.914km SW of Santa Cruz, CAThu, Apr 9, 7:48 PM PDT · 2369 days ago · 11 km deep · 65 km away
19. 1.77km SE of Pinnacles, CAThu, Apr 9, 2:41 PM PDT · 2369 days ago · 8 km deep · 43 km away
20. 1.71km E of Fremont, CAThu, Apr 9, 3:50 AM PDT · 2370 days ago · 5 km deep · 100 km away · felt by 4

From the USGS Earthquake Hazards Program and its partner networks, event nc73375305. Read Mon, Oct 5, 2026, 3:40 AM UTC.