M1.5 earthquake 7 km ENE of Morgan Hill, California

Magnitude

1.5 (Md, duration), micro

Magnitude from

Northern California Seismic System

Local time

Thu, Jun 28, 1984, 10:55 AM PDT

UTC

1984-06-28 17:55:02 UTC

Depth

4.1 km (2.5 mi), shallow

Epicenter

37.158° N, 121.572° 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

±0.10

Depth from

From location

Station coverage gap

107°

Stations used

30

• Morgan Hill, CaliforniaPopulation 42,948. Forecast8 kmENE
• San Jose, CaliforniaPopulation 997,368. Forecast35 kmSE
• Los Angeles, CaliforniaPopulation 3,820,914. Forecast458 kmNW

After

1. 2.27 km NE of Morgan Hill, CaliforniaThu, Jun 28, 11:22 AM PDT · 15438 days ago · 3 km deep · 2 km away
2. 2.27 km ENE of Gilroy, CaliforniaThu, Jun 28, 2:26 PM PDT · 15438 days ago · 6 km deep · 17 km away
3. 2.07 km ENE of Gilroy, CaliforniaThu, Jun 28, 3:29 PM PDT · 15438 days ago · 6 km deep · 16 km away
4. 2.67 km ENE of Gilroy, CaliforniaFri, Jun 29, 3:44 AM PDT · 15437 days ago · 7 km deep · 16 km away
5. 1.67 km ENE of Gilroy, CaliforniaFri, Jun 29, 3:48 AM PDT · 15437 days ago · 6 km deep · 16 km away
6. 2.11 km NNW of Castro Valley, CaliforniaFri, Jun 29, 11:31 AM PDT · 15437 days ago · 5 km deep · 76 km away
7. 1.610 km NNE of Morgan Hill, CaliforniaFri, Jun 29, 12:18 PM PDT · 15437 days ago · 4 km deep · 7 km away
8. 1.68 km ENE of Morgan Hill, CaliforniaSat, Jun 30, 1:19 PM PDT · 15436 days ago · 2 km deep · 1 km away
9. 3.03 km W of Portola Valley, CaliforniaSat, Jun 30, 3:52 PM PDT · 15436 days ago · 5 km deep · 67 km away
10. 2.814 km N of Morgan Hill, CaliforniaSat, Jun 30, 3:52 PM PDT · 15436 days ago · 6 km deep · 13 km away
11. 1.67 km ENE of Gilroy, CaliforniaSun, Jul 1, 4:18 AM PDT · 15435 days ago · 7 km deep · 16 km away
12. 2.04 km NNE of Morgan Hill, CaliforniaSun, Jul 1, 12:47 PM PDT · 15435 days ago · 2 km deep · 6 km away
13. 1.89 km ENE of Morgan Hill, CaliforniaMon, Jul 2, 12:46 AM PDT · 15434 days ago · 5 km deep · 2 km away
14. 2.14 km NNE of Morgan Hill, CaliforniaMon, Jul 2, 11:25 AM PDT · 15434 days ago · 2 km deep · 6 km away
15. 1.98 km E of Gilroy, CaliforniaMon, Jul 2, 11:47 AM PDT · 15434 days ago · 8 km deep · 18 km away
16. 1.98 km ENE of Morgan Hill, CaliforniaTue, Jul 3, 12:24 AM PDT · 15433 days ago · 1 km deep · 1 km away
17. 2.54 km NNE of Morgan Hill, CaliforniaTue, Jul 3, 2:21 AM PDT · 15433 days ago · 2 km deep · 6 km away
18. 1.7Northern CaliforniaTue, Jul 3, 5:26 AM PDT · 15433 days ago · 2 km deep · 6 km away
19. 1.610 km NE of Morgan Hill, CaliforniaTue, Jul 3, 9:05 AM PDT · 15433 days ago · 4 km deep · 5 km away
20. 1.528 km SW of South Dos Palos, CaliforniaTue, Jul 3, 9:16 PM PDT · 15432 days ago · 2 km deep · 76 km away
21. 2.24 km NNE of Morgan Hill, CaliforniaWed, Jul 4, 12:34 AM PDT · 15432 days ago · 2 km deep · 6 km away
22. 2.04 km NNE of Morgan Hill, CaliforniaWed, Jul 4, 7:00 AM PDT · 15432 days ago · 2 km deep · 6 km away
23. 1.814 km NNE of Morgan Hill, CaliforniaWed, Jul 4, 6:34 PM PDT · 15432 days ago · 2 km deep · 11 km away
24. 2.312 km ESE of East Foothills, CaliforniaThu, Jul 5, 1:35 AM PDT · 15431 days ago · 8 km deep · 21 km away
25. 2.021 km NE of Soledad, CaliforniaThu, Jul 5, 2:42 AM PDT · 15431 days ago · 5 km deep · 80 km away
26. 1.78 km NE of San Martin, CaliforniaThu, Jul 5, 5:31 AM PDT · 15431 days ago · 3 km deep · 2 km away
27. 1.714 km N of Morgan Hill, CaliforniaThu, Jul 5, 6:35 AM PDT · 15431 days ago · 5 km deep · 13 km away
28. 2.112 km ESE of East Foothills, CaliforniaThu, Jul 5, 9:16 AM PDT · 15431 days ago · 7 km deep · 22 km away
29. 2.116 km N of Morgan Hill, CaliforniaThu, Jul 5, 11:59 AM PDT · 15431 days ago · 9 km deep · 15 km away
30. 1.616 km N of Morgan Hill, CaliforniaThu, Jul 5, 11:59 AM PDT · 15431 days ago · 9 km deep · 15 km away
31. 2.113 km E of Seven Trees, CaliforniaFri, Jul 6, 1:03 AM PDT · 15430 days ago · 2 km deep · 18 km away
32. 2.09 km E of Gilroy, CAFri, Jul 6, 5:17 AM PDT · 15430 days ago · 8 km deep · 18 km away
33. 3.014 km E of Seven Trees, CaliforniaFri, Jul 6, 5:17 PM PDT · 15430 days ago · 3 km deep · 17 km away
34. 1.610 km ESE of Gilroy, CaliforniaFri, Jul 6, 6:57 PM PDT · 15430 days ago · 0 km deep · 23 km away
35. 1.924 km ENE of Soledad, CaliforniaFri, Jul 6, 7:04 PM PDT · 15430 days ago · 1 km deep · 81 km away
36. 1.524 km NE of Greenfield, CaliforniaFri, Jul 6, 7:07 PM PDT · 15430 days ago · 7 km deep · 88 km away
37. 1.514 km E of Seven Trees, CaliforniaFri, Jul 6, 7:35 PM PDT · 15429 days ago · 3 km deep · 17 km away
38. 1.82 km SW of Ridgemark, CaliforniaFri, Jul 6, 11:12 PM PDT · 15429 days ago · 8 km deep · 44 km away
39. 3.13 km N of Morgan Hill, CaliforniaSat, Jul 7, 12:25 AM PDT · 15429 days ago · 4 km deep · 8 km away
40. 2.510 km ESE of East Foothills, CaliforniaSat, Jul 7, 6:13 AM PDT · 15429 days ago · 8 km deep · 24 km away
41. 2.610 km ESE of East Foothills, CaliforniaSat, Jul 7, 6:13 AM PDT · 15429 days ago · 8 km deep · 24 km away
42. 1.910 km ESE of East Foothills, CaliforniaSat, Jul 7, 7:36 AM PDT · 15429 days ago · 7 km deep · 24 km away
43. 2.86 km NNE of Morgan Hill, CaliforniaSat, Jul 7, 11:02 AM PDT · 15429 days ago · 4 km deep · 7 km away
44. 2.315 km E of Seven Trees, CaliforniaSat, Jul 7, 5:55 PM PDT · 15429 days ago · 6 km deep · 16 km away
45. 2.015 km E of Seven Trees, CaliforniaSat, Jul 7, 5:59 PM PDT · 15429 days ago · 6 km deep · 16 km away
46. 3.111 km NNE of Morgan Hill, CaliforniaSat, Jul 7, 11:56 PM PDT · 15428 days ago · 5 km deep · 10 km away
47. 3.17 km E of East Foothills, CaliforniaSun, Jul 8, 5:21 AM PDT · 15428 days ago · 7 km deep · 29 km away
48. 1.625 km NE of Soledad, CaliforniaSun, Jul 8, 1:27 PM PDT · 15428 days ago · 6 km deep · 72 km away
49. 2.715 km NNE of Morgan Hill, CaliforniaSun, Jul 8, 3:06 PM PDT · 15428 days ago · 3 km deep · 11 km away
50. 1.515 km N of Morgan Hill, CaliforniaSun, Jul 8, 10:25 PM PDT · 15427 days ago · 7 km deep · 14 km away
51. 1.53 km ENE of San Leandro, CaliforniaMon, Jul 9, 12:21 AM PDT · 15427 days ago · 4 km deep · 80 km away
52. 2.515 km E of Seven Trees, CaliforniaMon, Jul 9, 4:13 AM PDT · 15427 days ago · 6 km deep · 16 km away
53. 2.115 km E of Seven Trees, CaliforniaMon, Jul 9, 5:29 AM PDT · 15427 days ago · 9 km deep · 16 km away
54. 1.99 km NW of Hollister, CaliforniaMon, Jul 9, 11:42 PM PDT · 15426 days ago · 6 km deep · 28 km away
55. 1.523 km ENE of Soledad, CaliforniaTue, Jul 10, 4:37 AM PDT · 15426 days ago · 4 km deep · 86 km away
56. 1.615 km N of Morgan Hill, CaliforniaTue, Jul 10, 7:28 AM PDT · 15426 days ago · 6 km deep · 14 km away
57. 1.511 km NNE of Morgan Hill, CaliforniaTue, Jul 10, 9:23 AM PDT · 15426 days ago · 5 km deep · 9 km away
58. 1.518 km E of Seven Trees, CaliforniaTue, Jul 10, 12:11 PM PDT · 15426 days ago · 6 km deep · 17 km away
59. 1.73 km SSE of Fairview, CaliforniaTue, Jul 10, 1:22 PM PDT · 15426 days ago · 3 km deep · 68 km away
60. 2.913 km N of Morgan Hill, CaliforniaTue, Jul 10, 4:01 PM PDT · 15426 days ago · 3 km deep · 11 km away

The first 60 of 174.

Before

1. 2.64 km WSW of Antioch, CaliforniaThu, Jun 28, 4:44 AM PDT · 15438 days ago · 15 km deep · 95 km away
2. 2.813 km N of Morgan Hill, CaliforniaWed, Jun 27, 4:16 PM PDT · 15439 days ago · 5 km deep · 12 km away
3. 1.714 km NNE of Morgan Hill, CaliforniaWed, Jun 27, 2:32 PM PDT · 15439 days ago · 3 km deep · 11 km away
4. 1.8Northern CaliforniaWed, Jun 27, 10:31 AM PDT · 15439 days ago · 7 km deep · 23 km away
5. 1.711 km ESE of East Foothills, CaliforniaWed, Jun 27, 10:14 AM PDT · 15439 days ago · 7 km deep · 23 km away
6. 1.612 km N of Morgan Hill, CaliforniaWed, Jun 27, 9:53 AM PDT · 15439 days ago · 6 km deep · 11 km away
7. 1.614 km E of Seven Trees, CaliforniaWed, Jun 27, 7:50 AM PDT · 15439 days ago · 3 km deep · 17 km away
8. 1.914 km NNE of Morgan Hill, CaliforniaTue, Jun 26, 4:01 PM PDT · 15440 days ago · 3 km deep · 11 km away
9. 2.12 km WSW of San Juan Bautista, CaliforniaTue, Jun 26, 3:33 PM PDT · 15440 days ago · 6 km deep · 36 km away
10. 1.63 km NNW of East Foothills, CaliforniaTue, Jun 26, 3:11 PM PDT · 15440 days ago · 1 km deep · 36 km away
11. 2.13 km N of East Foothills, CaliforniaTue, Jun 26, 2:08 AM PDT · 15440 days ago · 0 km deep · 36 km away
12. 2.016 km N of Morgan Hill, CaliforniaTue, Jun 26, 1:24 AM PDT · 15440 days ago · 8 km deep · 15 km away
13. 1.812 km N of Morgan Hill, CaliforniaMon, Jun 25, 8:25 AM PDT · 15441 days ago · 5 km deep · 11 km away
14. 2.13 km N of East Foothills, CaliforniaMon, Jun 25, 3:41 AM PDT · 15441 days ago · 0 km deep · 36 km away
15. 3.12 km NNE of San Leandro, CaliforniaMon, Jun 25, 3:13 AM PDT · 15441 days ago · 7 km deep · 82 km away
16. 1.73 km E of Pleasanton, CaliforniaMon, Jun 25, 2:09 AM PDT · 15441 days ago · 4 km deep · 61 km away
17. 2.613 km N of Morgan Hill, CaliforniaSun, Jun 24, 1:26 PM PDT · 15442 days ago · 3 km deep · 12 km away
18. 1.611 km N of Morgan Hill, CaliforniaSun, Jun 24, 8:18 AM PDT · 15442 days ago · 6 km deep · 11 km away
19. 1.913 km S of Tres Pinos, CASun, Jun 24, 8:09 AM PDT · 15442 days ago · 3 km deep · 60 km away
20. 1.712 km N of Morgan Hill, CaliforniaSun, Jun 24, 7:57 AM PDT · 15442 days ago · 6 km deep · 11 km away

From the USGS Earthquake Hazards Program and its partner networks, event nc21721. Read Sun, Oct 4, 2026, 1:49 PM UTC.