M3.1 earthquake 3km W of Delta, B.C., MX

Magnitude

3.1 (Mc), minor

Magnitude from

Southern California Seismic Network

Local time

Fri, Oct 2, 1987, 2:46 AM PDT

UTC

1987-10-02 09:46:52 UTC

Depth

6.0 km (3.7 mi), shallow

Epicenter

32.360° N, 115.228° W

Region

Mexico

Tsunami flag

No

Status

Reviewed by a seismologist

Depth from

Operator assigned

Station coverage gap

263°, poorly surrounded by stations

Stations used

0

• Ciudad Guadalupe Victoria, MexicoPopulation 17,119. Forecast14 kmNW
• Mexicali, MexicoPopulation 1,032,686. Forecast37 kmSE

After

1. 1.73km SSE of Brawley, CAWed, Oct 7, 8:56 AM PDT · 14240 days ago · 6 km deep · 71 km away
2. 1.65km SSE of Brawley, CAWed, Oct 7, 11:30 AM PDT · 14240 days ago · 6 km deep · 69 km away
3. 2.412km SSE of Progreso, B.C., MXFri, Oct 9, 11:37 PM PDT · 14238 days ago · 6 km deep · 31 km away
4. 1.610km SW of Puebla, B.C., MXSat, Oct 10, 4:29 AM PDT · 14237 days ago · 6 km deep · 25 km away
5. 2.313km SSW of Puebla, B.C., MXSat, Oct 10, 5:33 AM PDT · 14237 days ago · 6 km deep · 22 km away
6. 1.89km WSW of Puebla, B.C., MXSat, Oct 10, 5:40 AM PDT · 14237 days ago · 6 km deep · 27 km away
7. 2.08km W of Puebla, B.C., MXSat, Oct 10, 12:39 PM PDT · 14237 days ago · 6 km deep · 29 km away
8. 2.312km ESE of Progreso, B.C., MXSun, Oct 11, 5:42 PM PDT · 14236 days ago · 6 km deep · 30 km away
9. 2.611km SW of Puebla, B.C., MXSun, Oct 11, 7:18 PM PDT · 14236 days ago · 16 km deep · 24 km away
10. 1.99km SW of Puebla, B.C., MXSun, Oct 11, 8:53 PM PDT · 14236 days ago · 6 km deep · 26 km away
11. 2.912km SW of Puebla, B.C., MXMon, Oct 12, 8:24 AM PDT · 14235 days ago · 6 km deep · 25 km away
12. 2.28km WSW of Puebla, B.C., MXMon, Oct 12, 1:50 PM PDT · 14235 days ago · 12 km deep · 28 km away
13. 2.213km SSW of Puebla, B.C., MXMon, Oct 12, 3:26 PM PDT · 14235 days ago · 6 km deep · 22 km away
14. 2.016km SSW of Puebla, B.C., MXTue, Oct 13, 10:16 PM PDT · 14234 days ago · 6 km deep · 20 km away
15. 1.96km S of Brawley, CAThu, Oct 15, 1:50 AM PDT · 14232 days ago · 1 km deep · 68 km away
16. 2.315km WNW of Imperial, CASat, Oct 17, 2:10 PM PDT · 14230 days ago · 5 km deep · 76 km away
17. 2.970km WSW of Alberto Oviedo Mota, B.C., MXSun, Oct 18, 2:55 AM PDT · 14229 days ago · 6 km deep · 72 km away
18. 3.067km ENE of Maneadero, B.C., MXSun, Oct 18, 8:40 AM PDT · 14229 days ago · 5 km deep · 83 km away
19. 2.865km ENE of Maneadero, B.C., MXMon, Oct 19, 10:45 PM PDT · 14228 days ago · 5 km deep · 85 km away
20. 3.971km E of Maneadero, B.C., MXMon, Oct 19, 10:45 PM PDT · 14228 days ago · 5 km deep · 93 km away
21. 2.869km ENE of Maneadero, B.C., MXTue, Oct 20, 2:28 AM PDT · 14227 days ago · 5 km deep · 83 km away
22. 2.744km ENE of Ensenada, B.C., MXTue, Oct 20, 8:10 AM PDT · 14227 days ago · 6 km deep · 98 km away
23. 3.47km SW of Delta, B.C., MXTue, Oct 20, 1:33 PM PDT · 14227 days ago · 6 km deep · 5 km away
24. 3.069km ENE of Maneadero, B.C., MXThu, Oct 22, 1:39 PM PDT · 14225 days ago · 5 km deep · 81 km away
25. 1.98km S of Brawley, CASun, Oct 25, 4:07 AM PST · 14222 days ago · 3 km deep · 67 km away
26. 2.965km ENE of Maneadero, B.C., MXMon, Oct 26, 6:03 PM PST · 14221 days ago · 5 km deep · 83 km away
27. 3.162km SW of Alberto Oviedo Mota, B.C., MXMon, Oct 26, 6:34 PM PST · 14221 days ago · 6 km deep · 68 km away
28. 2.428km SW of Progreso, B.C., MXTue, Oct 27, 11:48 PM PST · 14220 days ago · 6 km deep · 49 km away
29. 3.071km E of Maneadero, B.C., MXSun, Nov 1, 3:12 AM PST · 14215 days ago · 5 km deep · 87 km away
30. 3.168km ENE of Maneadero, B.C., MXFri, Nov 6, 4:34 PM PST · 14210 days ago · 5 km deep · 83 km away
31. 2.27km SW of Holtville, CASat, Nov 7, 3:37 AM PST · 14209 days ago · 6 km deep · 48 km away
32. 2.82km NNE of Delta, B.C., MXMon, Nov 9, 6:52 AM PST · 14207 days ago · 6 km deep · 5 km away
33. 2.08km SW of Niland, CAMon, Nov 9, 10:51 PM PST · 14207 days ago · 5 km deep · 98 km away
34. 2.28km SW of Niland, CAMon, Nov 9, 10:54 PM PST · 14207 days ago · 3 km deep · 99 km away
35. 1.55km NNW of Brawley, CATue, Nov 10, 9:04 AM PST · 14206 days ago · 10 km deep · 80 km away
36. 2.79km ESE of Holtville, CATue, Nov 10, 3:12 PM PST · 14206 days ago · 6 km deep · 47 km away
37. 2.63km WNW of Guadalupe Victoria, B.C., MXWed, Nov 11, 5:02 AM PST · 14205 days ago · 6 km deep · 11 km away
38. 2.78km WSW of Heber, CAThu, Nov 12, 1:36 PM PST · 14204 days ago · 10 km deep · 52 km away
39. 2.310km NNE of Delta, B.C., MXFri, Nov 13, 8:26 AM PST · 14203 days ago · 6 km deep · 11 km away
40. 1.96km W of Holtville, CAFri, Nov 13, 6:47 PM PST · 14203 days ago · 5 km deep · 53 km away
41. 2.67km W of Holtville, CAFri, Nov 13, 10:54 PM PST · 14203 days ago · 5 km deep · 55 km away
42. 3.066km E of Maneadero, B.C., MXMon, Nov 16, 7:27 AM PST · 14200 days ago · 6 km deep · 87 km away
43. 3.153km SSW of Progreso, B.C., MXMon, Nov 16, 6:14 PM PST · 14200 days ago · 6 km deep · 60 km away
44. 2.82km WNW of Brawley, CASat, Nov 21, 11:37 PM PST · 14195 days ago · 5 km deep · 75 km away
45. 2.52km WNW of Brawley, CASat, Nov 21, 11:44 PM PST · 14195 days ago · 5 km deep · 75 km away
46. 2.33km W of Brawley, CASun, Nov 22, 12:03 AM PST · 14194 days ago · 3 km deep · 76 km away
47. 2.24km SSE of Brawley, CASun, Nov 22, 12:12 AM PST · 14194 days ago · 1 km deep · 71 km away
48. 4.215km WNW of Westmorland, CAMon, Nov 23, 5:32 PM PST · 14193 days ago · 4 km deep · 94 km away
49. 2.215km WNW of Westmorland, CAMon, Nov 23, 5:42 PM PST · 14193 days ago · 4 km deep · 94 km away
50. 2.215km W of Westmorland, CAMon, Nov 23, 5:43 PM PST · 14193 days ago · 4 km deep · 93 km away
51. 4.016km WNW of Westmorland, CAMon, Nov 23, 5:53 PM PST · 14193 days ago · 4 km deep · 95 km away
52. 6.2The 1987 Elmore Ranch, California EarthquakeMon, Nov 23, 5:54 PM PST · 14193 days ago · 11 km deep · 97 km away
53. 3.317km WNW of Westmorland, CAMon, Nov 23, 5:58 PM PST · 14193 days ago · 6 km deep · 98 km away
54. 3.917km WNW of Westmorland, CAMon, Nov 23, 6:01 PM PST · 14193 days ago · 6 km deep · 95 km away
55. 3.018km W of Westmorland, CAMon, Nov 23, 6:02 PM PST · 14193 days ago · 6 km deep · 96 km away
56. 3.014km W of Westmorland, CAMon, Nov 23, 6:04 PM PST · 14193 days ago · 5 km deep · 93 km away
57. 3.116km WNW of Westmorland, CAMon, Nov 23, 6:05 PM PST · 14193 days ago · 0 km deep · 96 km away
58. 3.719km W of Westmorland, CAMon, Nov 23, 6:06 PM PST · 14193 days ago · 3 km deep · 94 km away
59. 3.317km W of Westmorland, CAMon, Nov 23, 6:07 PM PST · 14193 days ago · 4 km deep · 94 km away
60. 3.017km WNW of Westmorland, CAMon, Nov 23, 6:11 PM PST · 14193 days ago · 0 km deep · 95 km away

The first 60 of 168.

Before

1. 3.258km WSW of Alberto Oviedo Mota, B.C., MXWed, Sep 30, 12:29 AM PDT · 14248 days ago · 6 km deep · 59 km away
2. 3.257km E of Maneadero, B.C., MXSun, Sep 27, 2:03 AM PDT · 14250 days ago · 5 km deep · 100 km away
3. 2.07km S of Brawley, CASat, Sep 26, 7:20 AM PDT · 14251 days ago · 6 km deep · 68 km away
4. 1.85km ENE of Westmorland, CAFri, Sep 25, 1:34 AM PDT · 14252 days ago · 4 km deep · 85 km away
5. 2.868km ENE of Maneadero, B.C., MXMon, Sep 21, 3:47 AM PDT · 14256 days ago · 5 km deep · 80 km away
6. 2.314km WNW of Calipatria, CASat, Sep 19, 11:30 AM PDT · 14258 days ago · 0 km deep · 99 km away
7. 3.173km E of Maneadero, B.C., MXWed, Sep 16, 6:22 AM PDT · 14261 days ago · 6 km deep · 95 km away
8. 2.06km ENE of Puebla, B.C., MXWed, Sep 16, 4:14 AM PDT · 14261 days ago · 6 km deep · 26 km away
9. 2.413km W of Westmorland, CAWed, Sep 16, 1:05 AM PDT · 14261 days ago · 4 km deep · 88 km away
10. 2.012km ESE of Puebla, B.C., MXSat, Sep 12, 10:06 PM PDT · 14265 days ago · 6 km deep · 19 km away
11. 1.96km NNE of Imperial, CAFri, Sep 11, 4:04 PM PDT · 14266 days ago · 1 km deep · 66 km away
12. 2.23km WSW of Brawley, CAFri, Sep 11, 3:45 AM PDT · 14266 days ago · 2 km deep · 75 km away
13. 2.855km E of Maneadero, B.C., MXSun, Sep 6, 4:14 PM PDT · 14271 days ago · 5 km deep · 97 km away
14. 2.88km WSW of Holtville, CASat, Sep 5, 12:43 AM PDT · 14273 days ago · 5 km deep · 52 km away
15. 3.072km ENE of Maneadero, B.C., MXThu, Sep 3, 3:52 PM PDT · 14274 days ago · 5 km deep · 80 km away
16. 2.426km W of Westmorland, CAThu, Sep 3, 5:45 AM PDT · 14274 days ago · 6 km deep · 94 km away

From the USGS Earthquake Hazards Program and its partner networks, event ci731842. Read Fri, Oct 2, 2026, 7:20 PM UTC.