M2.8 earthquake 16 km SW of Gustine, California

Magnitude

2.8 (Md, duration), micro

Magnitude from

Northern California Seismic System

Local time

Wed, Jan 17, 1979, 1:01 PM PST

UTC

1979-01-17 21:01:44 UTC

Depth

0.5 km (0.3 mi), shallow

Epicenter

37.166° N, 121.149° W

Region

California

Tsunami flag

No

Status

Reviewed by a seismologist

Location uncertainty

About 0.5 km horizontally, 7.0 km in depth

Magnitude uncertainty

±0.14

Depth from

From location

Station coverage gap

199°, poorly surrounded by stations

Stations used

50

• Gustine, CaliforniaPopulation 5,756. Forecast17 kmSW
• Newman, CaliforniaPopulation 10,899. Forecast20 kmSW
• Modesto, CaliforniaPopulation 211,266. Forecast54 kmSSW
• Los Angeles, CaliforniaPopulation 3,820,914. Forecast435 kmNW

After

1. 2.316 km SW of Gustine, CaliforniaWed, Jan 17, 1:02 PM PST · 17423 days ago · 6 km deep · 2 km away
2. 1.74 km NNW of Sand City, CaliforniaWed, Jan 17, 3:31 PM PST · 17423 days ago · 11 km deep · 85 km away
3. 2.221 km NE of Soledad, CaliforniaWed, Jan 17, 4:10 PM PST · 17423 days ago · 6 km deep · 67 km away
4. 1.614 km E of Seven Trees, CaliforniaWed, Jan 17, 5:37 PM PST · 17423 days ago · 0 km deep · 48 km away
5. 1.823 km NE of King City, CaliforniaThu, Jan 18, 1:30 AM PST · 17423 days ago · 4 km deep · 94 km away
6. 2.24 km SE of Alum Rock, CaliforniaThu, Jan 18, 6:16 AM PST · 17423 days ago · 3 km deep · 60 km away
7. 1.84 km SE of Alum Rock, CaliforniaThu, Jan 18, 6:17 AM PST · 17423 days ago · 2 km deep · 60 km away
8. 1.75 km ESE of Alum Rock, CaliforniaThu, Jan 18, 6:19 AM PST · 17423 days ago · 3 km deep · 59 km away
9. 2.34 km ESE of Alum Rock, CaliforniaThu, Jan 18, 11:45 AM PST · 17422 days ago · 2 km deep · 60 km away
10. 2.04 km ESE of Alum Rock, CaliforniaThu, Jan 18, 11:46 AM PST · 17422 days ago · 2 km deep · 60 km away
11. 2.35 km ESE of East Foothills, CaliforniaThu, Jan 18, 12:45 PM PST · 17422 days ago · 0 km deep · 58 km away
12. 2.24 km SE of Alum Rock, CaliforniaThu, Jan 18, 1:18 PM PST · 17422 days ago · 2 km deep · 60 km away
13. 1.84 km E of East Foothills, CaliforniaThu, Jan 18, 10:18 PM PST · 17422 days ago · 0 km deep · 60 km away
14. 1.810 km ESE of East Foothills, CaliforniaFri, Jan 19, 5:59 AM PST · 17422 days ago · 7 km deep · 53 km away
15. 3.110 km ESE of East Foothills, CaliforniaFri, Jan 19, 5:59 AM PST · 17422 days ago · 8 km deep · 53 km away
16. 2.110 km ESE of East Foothills, CaliforniaFri, Jan 19, 6:02 AM PST · 17422 days ago · 7 km deep · 53 km away
17. 2.728 km WSW of Mendota, CaliforniaFri, Jan 19, 8:08 AM PST · 17422 days ago · 6 km deep · 72 km away
18. 1.65 km SE of Alum Rock, CaliforniaFri, Jan 19, 9:54 AM PST · 17422 days ago · 3 km deep · 59 km away
19. 3.15 km S of Gilroy, CaliforniaFri, Jan 19, 1:15 PM PST · 17421 days ago · 7 km deep · 44 km away
20. 1.58 km NNE of Interlaken, CaliforniaFri, Jan 19, 1:53 PM PST · 17421 days ago · 10 km deep · 52 km away
21. 1.74 km SE of Alum Rock, CaliforniaSun, Jan 21, 11:45 PM PST · 17419 days ago · 2 km deep · 60 km away
22. 1.7Northern CaliforniaMon, Jan 22, 2:58 AM PST · 17419 days ago · 3 km deep · 59 km away
23. 1.629 km ENE of Soledad, CaliforniaMon, Jan 22, 3:22 PM PST · 17418 days ago · 4 km deep · 67 km away
24. 2.54 km SE of Alum Rock, CaliforniaMon, Jan 22, 6:02 PM PST · 17418 days ago · 3 km deep · 60 km away
25. 1.55 km SE of Alum Rock, CaliforniaMon, Jan 22, 6:03 PM PST · 17418 days ago · 2 km deep · 59 km away
26. 1.66 km NE of Ridgemark, CaliforniaTue, Jan 23, 6:05 PM PST · 17417 days ago · 2 km deep · 37 km away
27. 2.620 km NE of Morgan Hill, CaliforniaTue, Jan 23, 8:09 PM PST · 17417 days ago · 2 km deep · 30 km away
28. 1.64 km S of Loyola, CaliforniaWed, Jan 24, 1:44 AM PST · 17417 days ago · 7 km deep · 86 km away
29. 2.1Central CaliforniaWed, Jan 24, 4:44 PM PST · 17416 days ago · 7 km deep · 67 km away
30. 2.08 km NNE of Interlaken, CaliforniaWed, Jan 24, 8:05 PM PST · 17416 days ago · 10 km deep · 52 km away
31. 3.03 km W of San Juan Bautista, CaliforniaFri, Jan 26, 4:52 PM PST · 17414 days ago · 7 km deep · 52 km away
32. 3.13 km W of San Juan Bautista, CaliforniaSat, Jan 27, 1:05 AM PST · 17414 days ago · 6 km deep · 52 km away
33. 2.45 km ESE of East Foothills, CaliforniaSat, Jan 27, 2:09 PM PST · 17413 days ago · 1 km deep · 58 km away
34. 1.72 km SW of Livermore, CaliforniaSat, Jan 27, 11:59 PM PST · 17413 days ago · 8 km deep · 80 km away
35. 1.812 km NE of Morgan Hill, CaliforniaMon, Jan 29, 9:12 PM PST · 17411 days ago · 5 km deep · 36 km away
36. 1.69 km SSW of Tres Pinos, CaliforniaTue, Jan 30, 3:01 AM PST · 17411 days ago · 2 km deep · 54 km away
37. 3.510km WSW of Salida, CAFri, Feb 2, 10:29 AM PST · 17407 days ago · 18 km deep · 55 km away
38. 1.624 km NE of Greenfield, CaliforniaSat, Feb 3, 2:29 AM PST · 17407 days ago · 5 km deep · 79 km away
39. 2.08 km WSW of Westley, CaliforniaSat, Feb 3, 5:38 AM PST · 17407 days ago · 0 km deep · 41 km away
40. 2.62 km SW of Ridgemark, CaliforniaSat, Feb 3, 9:25 AM PST · 17407 days ago · 3 km deep · 46 km away
41. 2.06 km WSW of Gilroy, CaliforniaSat, Feb 3, 3:46 PM PST · 17406 days ago · 6 km deep · 48 km away
42. 3.414 km E of Seven Trees, CaliforniaSun, Feb 4, 11:22 PM PST · 17405 days ago · 8 km deep · 49 km away
43. 2.722 km NNE of Soledad, CaliforniaMon, Feb 5, 5:03 PM PST · 17404 days ago · 7 km deep · 63 km away
44. 2.110 km WSW of Ridgemark, CaliforniaTue, Feb 6, 1:02 AM PST · 17404 days ago · 7 km deep · 52 km away
45. 1.822 km NNE of Soledad, CaliforniaTue, Feb 6, 1:37 AM PST · 17404 days ago · 6 km deep · 63 km away
46. 1.85 km SW of Gilroy, CaliforniaTue, Feb 6, 9:49 AM PST · 17404 days ago · 6 km deep · 46 km away
47. 1.625 km ENE of Soledad, CaliforniaWed, Feb 7, 4:26 PM PST · 17402 days ago · 8 km deep · 69 km away
48. 1.87 km NNE of East Foothills, CaliforniaWed, Feb 7, 5:12 PM PST · 17402 days ago · 6 km deep · 66 km away
49. 2.124 km ENE of Greenfield, CaliforniaFri, Feb 9, 5:58 AM PST · 17401 days ago · 5 km deep · 85 km away
50. 1.65 km SSW of Tres Pinos, CaliforniaFri, Feb 9, 6:04 AM PST · 17401 days ago · 8 km deep · 50 km away
51. 1.76 km NE of East Foothills, CaliforniaFri, Feb 9, 2:36 PM PST · 17400 days ago · 8 km deep · 62 km away
52. 1.824 km ENE of King City, CaliforniaSat, Feb 10, 11:42 AM PST · 17399 days ago · 4 km deep · 95 km away
53. 2.54 km SSW of Gilroy, CaliforniaSat, Feb 10, 6:10 PM PST · 17399 days ago · 7 km deep · 45 km away
54. 2.324 km ENE of Greenfield, CaliforniaSun, Feb 11, 3:17 AM PST · 17399 days ago · 6 km deep · 85 km away
55. 3.612 km S of Tres Pinos, CaliforniaMon, Feb 12, 12:26 PM PST · 17397 days ago · 4 km deep · 56 km away
56. 2.512 km S of Tres Pinos, CaliforniaMon, Feb 12, 12:42 PM PST · 17397 days ago · 4 km deep · 56 km away
57. 3.112 km S of Tres Pinos, CaliforniaMon, Feb 12, 1:38 PM PST · 17397 days ago · 4 km deep · 56 km away
58. 4.014 km S of Tres Pinos, CaliforniaMon, Feb 12, 1:38 PM PST · 17397 days ago · 6 km deep · 58 km away
59. 1.811 km S of Tres Pinos, CaliforniaMon, Feb 12, 2:41 PM PST · 17397 days ago · 4 km deep · 56 km away
60. 2.512 km S of Tres Pinos, CaliforniaMon, Feb 12, 3:56 PM PST · 17397 days ago · 4 km deep · 56 km away

The first 60 of 149.

Before

1. 1.95 km E of East Foothills, CaliforniaWed, Jan 17, 11:30 AM PST · 17423 days ago · 0 km deep · 58 km away
2. 1.725 km NE of Greenfield, CaliforniaWed, Jan 17, 3:42 AM PST · 17424 days ago · 2 km deep · 81 km away
3. 2.221 km NE of Soledad, CaliforniaTue, Jan 16, 12:03 PM PST · 17424 days ago · 6 km deep · 67 km away
4. 1.76 km E of Sunol, CaliforniaTue, Jan 16, 5:50 AM PST · 17425 days ago · 9 km deep · 75 km away
5. 1.823 km NNE of San Lucas, CaliforniaMon, Jan 15, 7:12 PM PST · 17425 days ago · 5 km deep · 99 km away
6. 1.95 km E of East Foothills, CaliforniaMon, Jan 15, 5:00 AM PST · 17426 days ago · 0 km deep · 58 km away
7. 1.82 km WNW of Cambrian Park, CaliforniaSun, Jan 14, 8:00 AM PST · 17427 days ago · 7 km deep · 72 km away
8. 1.82 km W of Cambrian Park, CaliforniaSun, Jan 14, 7:34 AM PST · 17427 days ago · 7 km deep · 72 km away
9. 1.96 km E of East Foothills, CaliforniaSun, Jan 14, 5:29 AM PST · 17427 days ago · 1 km deep · 58 km away
10. 1.521 km SSE of Tres Pinos, CaliforniaSat, Jan 13, 8:08 PM PST · 17427 days ago · 5 km deep · 62 km away
11. 2.120 km SSE of Tres Pinos, CaliforniaSat, Jan 13, 8:07 PM PST · 17427 days ago · 6 km deep · 61 km away
12. 2.38 km ENE of San Martin, CaliforniaSat, Jan 13, 6:35 PM PST · 17427 days ago · 8 km deep · 34 km away
13. 3.123 km NE of King City, CaliforniaFri, Jan 12, 8:07 AM PST · 17429 days ago · 7 km deep · 94 km away
14. 1.78 km NW of Hollister, CaliforniaThu, Jan 11, 8:00 PM PST · 17429 days ago · 6 km deep · 41 km away
15. 1.95 km E of East Foothills, CaliforniaThu, Jan 11, 5:49 PM PST · 17429 days ago · 0 km deep · 58 km away
16. 2.115 km SW of Santa Cruz, CaliforniaThu, Jan 11, 2:10 PM PST · 17429 days ago · 8 km deep · 94 km away
17. 2.95 km E of East Foothills, CaliforniaThu, Jan 11, 12:41 PM PST · 17429 days ago · 0 km deep · 58 km away
18. 3.65 km E of East Foothills, CaliforniaThu, Jan 11, 12:39 PM PST · 17429 days ago · 0 km deep · 58 km away
19. 2.38 km N of Interlaken, CaliforniaThu, Jan 11, 12:11 PM PST · 17429 days ago · 9 km deep · 53 km away
20. 3.18 km N of Interlaken, CaliforniaThu, Jan 11, 11:57 AM PST · 17429 days ago · 10 km deep · 53 km away

From the USGS Earthquake Hazards Program and its partner networks, event nc1044226. Read Thu, Oct 1, 2026, 5:37 AM UTC.