M4.2 earthquake 78 km N of Calama, Chile

Magnitude

4.2 (mwr), light

Local time

Mon, Dec 15, 2025, 3:47 AM GMT-3

UTC

2025-12-15 06:47:11 UTC

Depth

96.4 km (59.9 mi), intermediate-depth

Epicenter

21.744° S, 68.923° W

Region

Chile

Tsunami flag

No

Status

Reviewed by a seismologist

Faulting

Normal

Moment magnitude

4.2 Mwr

Nodal plane 1

Strike 325°, dip 60°, rake -83°

Nodal plane 2

Strike 132°, dip 30°, rake -101°

Location uncertainty

About 4.7 km horizontally, 5.7 km in depth

Magnitude uncertainty

±0.07

Depth from

From location

Station coverage gap

61°

Stations used

51

• Calama, ChilePopulation 166,334. Forecast79 kmN
• La Paz, BoliviaPopulation 2,004,652. Forecast589 kmS

After

1. 4.061 km NE of Calama, ChileMon, Dec 15, 11:11 PM GMT-3 · 289 days ago · 118 km deep · 50 km away
2. 4.178 km W of Ollagüe, ChileThu, Dec 18, 8:22 PM GMT-3 · 286 days ago · 113 km deep · 71 km away
3. 4.247 km WNW of Ollagüe, ChileSun, Dec 21, 9:47 AM GMT-3 · 284 days ago · 129 km deep · 77 km away
4. 4.818 km NNW of Ollagüe, ChileMon, Dec 22, 7:04 PM GMT-3 · 282 days ago · 129 km deep · 97 km away
5. 4.318 km SSW of Calama, ChileWed, Dec 24, 3:10 AM GMT-3 · 281 days ago · 110 km deep · 96 km away
6. 4.045 km SW of Ollagüe, ChileThu, Dec 25, 6:26 PM GMT-3 · 279 days ago · 149 km deep · 45 km away
7. 4.351 km WNW of Ollagüe, ChileFri, Dec 26, 6:50 AM GMT-3 · 279 days ago · 128 km deep · 79 km away
8. 4.634 km ESE of Calama, ChileFri, Dec 26, 4:05 PM GMT-3 · 278 days ago · 108 km deep · 93 km away
9. 4.188 km S of La Tirana, ChileSat, Dec 27, 7:26 AM GMT-3 · 278 days ago · 70 km deep · 98 km away · felt by 1
10. 4.053 km W of Ollagüe, ChileSat, Dec 27, 12:51 PM GMT-3 · 277 days ago · 117 km deep · 58 km away
11. 4.757 km SSW of Ollagüe, ChileThu, Jan 1, 7:49 PM GMT-3 · 272 days ago · 132 km deep · 44 km away
12. 3.973 km WNW of Ollagüe, ChileThu, Jan 8, 11:35 PM GMT-3 · 265 days ago · 106 km deep · 89 km away
13. 4.432 km W of Ollagüe, ChileSat, Jan 10, 10:05 AM GMT-3 · 264 days ago · 130 km deep · 73 km away
14. 4.360 km WNW of Ollagüe, ChileSun, Jan 11, 5:10 AM GMT-3 · 263 days ago · 129 km deep · 72 km away
15. 5.372 km W of Ollagüe, ChileTue, Jan 13, 4:28 AM GMT-3 · 261 days ago · 115 km deep · 48 km away · felt by 5
16. 4.343 km NNE of Calama, ChileThu, Jan 15, 1:36 PM GMT-3 · 258 days ago · 111 km deep · 45 km away
17. 4.544 km E of Calama, ChileWed, Jan 21, 10:44 PM GMT-3 · 252 days ago · 127 km deep · 85 km away
18. 4.279 km W of Ollagüe, ChileMon, Jan 26, 7:09 PM GMT-3 · 247 days ago · 116 km deep · 69 km away
19. 4.258 km W of Ollagüe, ChileSat, Jan 31, 1:40 AM GMT-3 · 243 days ago · 133 km deep · 57 km away
20. 4.085 km SE of La Tirana, ChileSun, Feb 1, 3:16 PM GMT-3 · 241 days ago · 95 km deep · 96 km away
21. 4.838 km N of Calama, ChileWed, Feb 4, 5:01 AM GMT-3 · 239 days ago · 110 km deep · 41 km away
22. 4.139 km WSW of Ollagüe, ChileThu, Feb 5, 12:05 AM GMT-3 · 238 days ago · 130 km deep · 52 km away
23. 4.229 km WSW of Ollagüe, ChileSun, Feb 8, 4:25 AM GMT-3 · 235 days ago · 136 km deep · 63 km away
24. 4.179 km SW of Ollagüe, ChileTue, Feb 10, 8:05 PM GMT-3 · 232 days ago · 126 km deep · 11 km away

Before

1. 4.122 km NW of Ollagüe, ChileSun, Dec 14, 12:34 AM GMT-3 · 291 days ago · 142 km deep · 94 km away
2. 5.475 km W of Ollagüe, ChileSat, Dec 13, 9:18 AM GMT-3 · 292 days ago · 90 km deep · 58 km away · felt by 15
3. 4.342 km NNE of Calama, ChileTue, Dec 9, 9:57 AM GMT-3 · 296 days ago · 117 km deep · 46 km away
4. 4.239 km W of Ollagüe, ChileMon, Dec 1, 9:29 AM GMT-3 · 304 days ago · 111 km deep · 72 km away
5. 4.347 km ENE of Calama, ChileSat, Nov 29, 4:32 PM GMT-3 · 305 days ago · 110 km deep · 80 km away
6. 4.443 km SSW of Ollagüe, ChileFri, Nov 28, 9:58 AM GMT-3 · 307 days ago · 145 km deep · 58 km away
7. 4.553 km S of Ollagüe, ChileThu, Nov 27, 3:03 AM GMT-3 · 308 days ago · 118 km deep · 64 km away
8. 4.273 km SW of Ollagüe, ChileWed, Nov 26, 4:11 AM GMT-3 · 309 days ago · 120 km deep · 25 km away
9. 4.051 km NNE of Calama, ChileTue, Nov 25, 10:46 AM GMT-3 · 309 days ago · 114 km deep · 44 km away
10. 4.262 km NE of Calama, ChileMon, Nov 24, 6:26 PM GMT-3 · 310 days ago · 122 km deep · 45 km away
11. 4.727 km WNW of Ollagüe, ChileSun, Nov 23, 1:23 PM GMT-3 · 311 days ago · 136 km deep · 82 km away
12. 4.049 km W of Ollagüe, ChileWed, Nov 19, 6:55 PM GMT-3 · 315 days ago · 119 km deep · 55 km away

From the USGS Earthquake Hazards Program and its partner networks, event us6000ruxj. Read Thu, Oct 1, 2026, 12:46 AM UTC.