M4.2 earthquake 68 km NNE of Calama, Chile

Magnitude

4.2 (mb, body-wave), light

Magnitude from

USGS National Earthquake Information Center

Local time

Sat, Oct 4, 2025, 8:37 AM GMT-3

UTC

2025-10-04 11:37:43 UTC

Depth

121.5 km (75.5 mi), intermediate-depth

Epicenter

21.902° S, 68.636° W

Region

Chile

Tsunami flag

No

Status

Reviewed by a seismologist

Location uncertainty

About 4.4 km horizontally, 5.7 km in depth

Magnitude uncertainty

±0.15

Depth from

From location

Station coverage gap

113°

Stations used

18

• Calama, ChilePopulation 166,334. Forecast68 kmNNE
• La Paz, BoliviaPopulation 2,004,652. Forecast603 kmS

After

1. 4.355 km NNE of Calama, ChileMon, Oct 13, 7:52 AM GMT-3 · 353 days ago · 118 km deep · 13 km away
2. 4.178 km W of Ollagüe, ChileMon, Oct 13, 8:14 PM GMT-3 · 352 days ago · 111 km deep · 96 km away
3. 4.869 km NNE of Calama, ChileTue, Oct 14, 1:43 AM GMT-3 · 352 days ago · 116 km deep · 4 km away
4. 4.267 km NNE of Calama, ChileSun, Oct 19, 12:45 AM GMT-3 · 347 days ago · 123 km deep · 6 km away
5. 4.349 km SSW of Ollagüe, ChileMon, Oct 27, 8:07 AM GMT-3 · 339 days ago · 121 km deep · 36 km away
6. 4.051 km NE of Calama, ChileMon, Nov 3, 6:22 PM GMT-3 · 331 days ago · 122 km deep · 21 km away
7. 4.070 km NNE of Calama, ChileSat, Nov 8, 12:48 PM GMT-3 · 327 days ago · 141 km deep · 5 km away
8. 4.343 km WSW of Ollagüe, ChileSun, Nov 9, 8:01 PM GMT-3 · 325 days ago · 129 km deep · 62 km away
9. 4.049 km W of Ollagüe, ChileWed, Nov 19, 6:55 PM GMT-3 · 315 days ago · 119 km deep · 70 km away
10. 4.727 km WNW of Ollagüe, ChileSun, Nov 23, 1:23 PM GMT-3 · 312 days ago · 136 km deep · 88 km away
11. 4.262 km NE of Calama, ChileMon, Nov 24, 6:26 PM GMT-3 · 310 days ago · 122 km deep · 11 km away
12. 4.051 km NNE of Calama, ChileTue, Nov 25, 10:46 AM GMT-3 · 310 days ago · 114 km deep · 18 km away
13. 4.273 km SW of Ollagüe, ChileWed, Nov 26, 4:11 AM GMT-3 · 309 days ago · 120 km deep · 16 km away
14. 4.553 km S of Ollagüe, ChileThu, Nov 27, 3:03 AM GMT-3 · 308 days ago · 118 km deep · 41 km away
15. 4.443 km SSW of Ollagüe, ChileFri, Nov 28, 9:58 AM GMT-3 · 307 days ago · 145 km deep · 43 km away
16. 4.347 km ENE of Calama, ChileSat, Nov 29, 4:32 PM GMT-3 · 305 days ago · 110 km deep · 50 km away
17. 4.239 km W of Ollagüe, ChileMon, Dec 1, 9:29 AM GMT-3 · 304 days ago · 111 km deep · 83 km away

Before

1. 4.385 km W of Ollagüe, ChileThu, Oct 2, 3:46 PM GMT-3 · 363 days ago · 105 km deep · 81 km away
2. 4.279 km W of Ollagüe, ChileTue, Sep 30, 5:31 PM GMT-3 · 365 days ago · 103 km deep · 76 km away · felt by 1
3. 4.251 km NNE of Calama, ChileMon, Sep 29, 2:40 PM GMT-3 · 366 days ago · 108 km deep · 20 km away
4. 4.646 km W of Ollagüe, ChileSun, Sep 28, 2:25 AM GMT-3 · 368 days ago · 118 km deep · 84 km away
5. 4.455 km W of Ollagüe, ChileSat, Sep 27, 4:47 AM GMT-3 · 369 days ago · 114 km deep · 81 km away
6. 4.257 km SW of Ollagüe, ChileWed, Sep 24, 12:15 PM GMT-3 · 372 days ago · 136 km deep · 32 km away
7. 4.341 km N of Calama, ChileWed, Sep 24, 9:15 AM GMT-3 · 372 days ago · 103 km deep · 40 km away
8. 4.739 km N of Calama, ChileWed, Sep 24, 2:06 AM GMT-3 · 372 days ago · 102 km deep · 42 km away
9. 4.137 km WNW of Ollagüe, ChileTue, Sep 16, 6:22 PM GMT-3 · 379 days ago · 131 km deep · 87 km away
10. 4.548 km SSW of Ollagüe, ChileMon, Sep 15, 8:21 PM GMT-3 · 380 days ago · 122 km deep · 38 km away
11. 4.152 km SW of Ollagüe, ChileThu, Sep 11, 3:23 PM GMT-3 · 384 days ago · 134 km deep · 35 km away
12. 4.260 km SSW of Ollagüe, ChileThu, Sep 4, 12:39 PM GMT-4 · 392 days ago · 139 km deep · 25 km away

From the USGS Earthquake Hazards Program and its partner networks, event us6000res5. Read Thu, Oct 1, 2026, 4:19 AM UTC.