M4.3 earthquake 75 km NNE of Calama, Chile

Magnitude

4.3 (mb, body-wave), light

Magnitude from

USGS National Earthquake Information Center

Local time

Tue, Oct 17, 2023, 2:12 AM GMT-3

UTC

2023-10-17 05:12:23 UTC

Depth

136.1 km (84.5 mi), intermediate-depth

Epicenter

21.834° S, 68.628° W

Region

Chile

Tsunami flag

No

Status

Reviewed by a seismologist

Location uncertainty

About 4.7 km horizontally, 6.6 km in depth

Magnitude uncertainty

±0.20

Depth from

From location

Station coverage gap

55°

Stations used

22

• Calama, ChilePopulation 166,334. Forecast76 kmNNE
• La Paz, BoliviaPopulation 2,004,652. Forecast595 kmS

After

1. 4.441 km E of Calama, ChileFri, Oct 20, 11:23 PM GMT-3 · 1079 days ago · 133 km deep · 74 km away
2. 4.476 km SW of Ollagüe, ChileThu, Oct 26, 8:01 PM GMT-3 · 1073 days ago · 134 km deep · 6 km away
3. 3.944 km W of Ollagüe, ChileSat, Oct 28, 5:14 PM GMT-3 · 1072 days ago · 120 km deep · 71 km away
4. 4.172 km W of Ollagüe, ChileSun, Oct 29, 12:36 PM GMT-3 · 1071 days ago · 109 km deep · 83 km away
5. 4.672 km W of Ollagüe, ChileTue, Nov 7, 6:04 AM GMT-3 · 1062 days ago · 112 km deep · 87 km away · felt by 1
6. 4.4Antofagasta, ChileWed, Nov 8, 7:59 AM GMT-3 · 1061 days ago · 103 km deep · 30 km away
7. 4.468 km NNE of Calama, ChileThu, Nov 9, 9:01 AM GMT-3 · 1060 days ago · 141 km deep · 11 km away
8. 4.759 km NNE of Calama, ChileSat, Nov 11, 8:15 PM GMT-3 · 1057 days ago · 114 km deep · 16 km away
9. 4.162 km NNE of Calama, ChileWed, Nov 15, 6:15 PM GMT-3 · 1054 days ago · 132 km deep · 13 km away
10. 4.759 km SSW of Ollag?e, ChileWed, Nov 15, 8:50 PM GMT-3 · 1053 days ago · 113 km deep · 28 km away · felt by 1
11. 4.545 km WNW of Ollagüe, ChileThu, Nov 16, 3:13 PM GMT-3 · 1053 days ago · 116 km deep · 77 km away
12. 4.526 km NW of Ollagüe, ChileSun, Nov 19, 11:35 AM GMT-3 · 1050 days ago · 135 km deep · 86 km away
13. 5.278 km NE of Calama, ChileThu, Nov 23, 12:37 PM GMT-3 · 1046 days ago · 105 km deep · 23 km away · felt by 4
14. 4.153 km W of Ollagüe, ChileSat, Nov 25, 1:13 PM GMT-3 · 1044 days ago · 127 km deep · 64 km away
15. 4.565 km WSW of Ollagüe, ChileSun, Nov 26, 10:33 AM GMT-3 · 1043 days ago · 96 km deep · 49 km away · felt by 3
16. 4.281 km W of Ollagüe, ChileMon, Nov 27, 4:38 PM GMT-3 · 1042 days ago · 121 km deep · 69 km away
17. 4.556 km W of Ollagüe, ChileThu, Nov 30, 12:05 AM GMT-3 · 1039 days ago · 116 km deep · 67 km away · felt by 1
18. 4.747 km ESE of Ollagüe, ChileThu, Nov 30, 4:22 AM GMT-3 · 1039 days ago · 152 km deep · 93 km away
19. 4.278 km N of Calama, ChileSun, Dec 3, 2:06 AM GMT-3 · 1036 days ago · 103 km deep · 20 km away

Before

1. 4.164 km NNE of Calama, ChileSun, Oct 8, 11:42 PM GMT-3 · 1091 days ago · 99 km deep · 12 km away
2. 4.454 km SW of Ollagüe, ChileSat, Oct 7, 2:57 PM GMT-3 · 1093 days ago · 139 km deep · 25 km away
3. 4.574 km SSW of Ollagüe, ChileMon, Oct 2, 1:24 PM GMT-3 · 1098 days ago · 122 km deep · 16 km away
4. 4.230 km WSW of Ollagüe, ChileFri, Sep 29, 2:39 AM GMT-3 · 1101 days ago · 107 km deep · 61 km away
5. 4.359 km WNW of Ollagüe, ChileThu, Sep 28, 10:54 PM GMT-3 · 1101 days ago · 105 km deep · 88 km away · felt by 1
6. 4.354 km W of Ollagüe, ChileSat, Sep 23, 5:16 PM GMT-3 · 1107 days ago · 126 km deep · 78 km away
7. 4.4Antofagasta, ChileFri, Sep 22, 5:19 PM GMT-3 · 1108 days ago · 122 km deep · 48 km away
8. 4.253 km WNW of Ollagüe, ChileFri, Sep 22, 4:56 AM GMT-3 · 1108 days ago · 111 km deep · 80 km away

From the USGS Earthquake Hazards Program and its partner networks, event us6000lg2s. Read Sun, Oct 4, 2026, 8:46 AM UTC.