M3.1 earthquake 30km ENE of Ensenada, B.C., MX

Magnitude

3.1 (Mc), minor

Magnitude from

Southern California Seismic Network

Local time

Fri, Jul 31, 1987, 10:47 AM PDT

UTC

1987-07-31 17:47:04 UTC

Depth

5.8 km (3.6 mi), shallow

Epicenter

31.976° N, 116.329° W

Region

Mexico

Tsunami flag

No

Status

Reviewed by a seismologist

Depth from

Operator assigned

Station coverage gap

294°, poorly surrounded by stations

Stations used

0

• Ensenada, MexicoPopulation 443,807. Forecast28 kmENE
• Tijuana, MexicoPopulation 1,922,523. Forecast86 kmSE

After

1. 2.45km WSW of Progreso, B.C., MXFri, Jul 31, 4:36 PM PDT · 14310 days ago · 6 km deep · 93 km away
2. 1.921km WNW of Progreso, B.C., MXMon, Aug 3, 6:28 AM PDT · 14308 days ago · 6 km deep · 92 km away
3. 2.945km SSW of Progreso, B.C., MXFri, Aug 7, 8:13 AM PDT · 14304 days ago · 6 km deep · 60 km away
4. 2.021km WNW of Progreso, B.C., MXSun, Aug 9, 7:09 AM PDT · 14302 days ago · 6 km deep · 92 km away
5. 3.264km SW of Alberto Oviedo Mota, B.C., MXSun, Aug 9, 1:20 PM PDT · 14301 days ago · 6 km deep · 68 km away
6. 3.158km SW of Alberto Oviedo Mota, B.C., MXSun, Aug 9, 1:21 PM PDT · 14301 days ago · 6 km deep · 64 km away
7. 2.762km SW of Alberto Oviedo Mota, B.C., MXSun, Aug 9, 2:12 PM PDT · 14301 days ago · 6 km deep · 61 km away
8. 3.131km NE of Ensenada, B.C., MXSun, Aug 9, 4:10 PM PDT · 14301 days ago · 6 km deep · 9 km away
9. 2.652km SW of Alberto Oviedo Mota, B.C., MXThu, Aug 13, 4:04 PM PDT · 14297 days ago · 5 km deep · 66 km away
10. 2.33km SW of Ocotillo, CAThu, Aug 13, 11:35 PM PDT · 14297 days ago · 3 km deep · 87 km away
11. 2.629km ENE of Ensenada, B.C., MXSat, Aug 15, 12:00 PM PDT · 14295 days ago · 6 km deep · 2 km away
12. 2.07km NNW of Progreso, B.C., MXWed, Aug 19, 11:54 AM PDT · 14291 days ago · 12 km deep · 99 km away
13. 2.737km NNE of Ensenada, B.C., MXWed, Aug 19, 3:38 PM PDT · 14291 days ago · 6 km deep · 22 km away
14. 2.833km ENE of Ensenada, B.C., MXThu, Aug 20, 11:32 AM PDT · 14290 days ago · 6 km deep · 6 km away
15. 3.331km ENE of Ensenada, B.C., MXFri, Aug 21, 7:32 PM PDT · 14289 days ago · 6 km deep · 3 km away
16. 2.824km SE of Ocotillo, CASat, Aug 22, 8:22 AM PDT · 14288 days ago · 6 km deep · 80 km away
17. 2.535km ENE of Ensenada, B.C., MXSat, Aug 22, 4:51 PM PDT · 14288 days ago · 6 km deep · 7 km away
18. 2.952km WSW of Alberto Oviedo Mota, B.C., MXMon, Aug 24, 9:56 AM PDT · 14286 days ago · 6 km deep · 61 km away
19. 3.048km E of Maneadero, B.C., MXWed, Aug 26, 10:42 AM PDT · 14284 days ago · 6 km deep · 32 km away
20. 2.132km NE of Ensenada, B.C., MXFri, Aug 28, 7:29 PM PDT · 14282 days ago · 6 km deep · 15 km away
21. 2.520km WNW of Progreso, B.C., MXSun, Aug 30, 2:25 PM PDT · 14280 days ago · 6 km deep · 92 km away
22. 3.072km ENE of Maneadero, B.C., MXThu, Sep 3, 3:52 PM PDT · 14276 days ago · 5 km deep · 50 km away
23. 2.855km E of Maneadero, B.C., MXSun, Sep 6, 4:14 PM PDT · 14273 days ago · 5 km deep · 40 km away
24. 2.527km ENE of Primo Tapia, B.C., MXMon, Sep 14, 2:48 AM PDT · 14266 days ago · 6 km deep · 46 km away
25. 3.173km E of Maneadero, B.C., MXWed, Sep 16, 6:22 AM PDT · 14264 days ago · 6 km deep · 62 km away
26. 2.814km SE of Tijuana, B.C., MXWed, Sep 16, 6:54 PM PDT · 14263 days ago · 15 km deep · 75 km away
27. 2.868km ENE of Maneadero, B.C., MXMon, Sep 21, 3:47 AM PDT · 14259 days ago · 5 km deep · 44 km away
28. 2.946km SW of Primo Tapia, B.C., MXSat, Sep 26, 8:11 PM PDT · 14253 days ago · 5 km deep · 87 km away
29. 3.115km SSE of Tecate, B.C., MXSat, Sep 26, 8:31 PM PDT · 14253 days ago · 5 km deep · 57 km away
30. 3.257km E of Maneadero, B.C., MXSun, Sep 27, 2:03 AM PDT · 14253 days ago · 5 km deep · 45 km away
31. 2.921km E of Ensenada, B.C., MXMon, Sep 28, 9:08 AM PDT · 14251 days ago · 5 km deep · 12 km away

Before

1. 2.621km WNW of Progreso, B.C., MXThu, Jul 30, 5:44 AM PDT · 14312 days ago · 6 km deep · 92 km away
2. 3.070km WSW of Alberto Oviedo Mota, B.C., MXWed, Jul 29, 5:26 PM PDT · 14312 days ago · 6 km deep · 47 km away
3. 3.155km E of Maneadero, B.C., MXMon, Jul 27, 5:56 PM PDT · 14314 days ago · 6 km deep · 44 km away
4. 2.756km WSW of Alberto Oviedo Mota, B.C., MXSun, Jul 26, 10:08 PM PDT · 14315 days ago · 6 km deep · 57 km away
5. 3.029km ENE of Ensenada, B.C., MXSun, Jul 26, 9:17 AM PDT · 14315 days ago · 6 km deep · 3 km away
6. 1.816km SSW of Puebla, B.C., MXSat, Jul 25, 11:42 PM PDT · 14316 days ago · 6 km deep · 100 km away
7. 2.628km ENE of Ensenada, B.C., MXSat, Jul 25, 7:53 PM PDT · 14316 days ago · 6 km deep · 3 km away
8. 3.351km ESE of Maneadero, B.C., MXFri, Jul 24, 8:27 AM PDT · 14317 days ago · 5 km deep · 49 km away
9. 2.529km ENE of Ensenada, B.C., MXFri, Jul 24, 7:09 AM PDT · 14318 days ago · 6 km deep · 3 km away
10. 2.554km WSW of Alberto Oviedo Mota, B.C., MXWed, Jul 22, 5:03 AM PDT · 14320 days ago · 6 km deep · 59 km away
11. 2.321km ESE of Ocotillo, CATue, Jul 21, 3:13 AM PDT · 14321 days ago · 5 km deep · 91 km away
12. 2.619km ESE of Ocotillo, CAMon, Jul 20, 9:55 AM PDT · 14321 days ago · 6 km deep · 93 km away
13. 2.319km NW of Progreso, B.C., MXSun, Jul 19, 3:04 AM PDT · 14323 days ago · 13 km deep · 97 km away
14. 2.52km SW of Pine Valley, CASat, Jul 18, 9:56 AM PDT · 14323 days ago · 5 km deep · 94 km away
15. 2.918km SW of Ocotillo, CASat, Jul 18, 9:29 AM PDT · 14323 days ago · 12 km deep · 76 km away
16. 2.731km NE of Ensenada, B.C., MXWed, Jul 15, 4:43 AM PDT · 14327 days ago · 6 km deep · 7 km away
17. 3.054km E of Maneadero, B.C., MXMon, Jul 13, 8:51 PM PDT · 14328 days ago · 6 km deep · 41 km away
18. 2.918km SW of Ocotillo, CASun, Jul 12, 6:41 PM PDT · 14329 days ago · 14 km deep · 74 km away
19. 2.420km ESE of Ocotillo, CASun, Jul 12, 12:21 PM PDT · 14329 days ago · 5 km deep · 91 km away
20. 2.832km ENE of Ensenada, B.C., MXFri, Jul 3, 12:45 PM PDT · 14338 days ago · 6 km deep · 3 km away

From the USGS Earthquake Hazards Program and its partner networks, event ci727160. Read Mon, Oct 5, 2026, 2:48 AM UTC.