M4.2 earthquake 140 km NNE of Calama, Chile

Magnitude

4.2 (mb, body-wave), light

Magnitude from

USGS National Earthquake Information Center

Local time

Sun, Oct 17, 2021, 1:57 PM GMT-3

UTC

2021-10-17 16:57:44 UTC

Depth

124.8 km (77.6 mi), intermediate-depth

Epicenter

21.260° S, 68.476° W

Region

Chile

Tsunami flag

No

Status

Reviewed by a seismologist

Location uncertainty

About 9.2 km horizontally, 5.5 km in depth

Magnitude uncertainty

±0.22

Depth from

From location

Station coverage gap

103°

Stations used

20

• Calama, ChilePopulation 166,334. Forecast141 kmNNE
• La Paz, BoliviaPopulation 2,004,652. Forecast530 kmS

After

1. 4.151 km NNE of Calama, ChileSat, Oct 23, 4:43 PM GMT-3 · 1806 days ago · 121 km deep · 90 km away
2. 4.2146 km NNE of Calama, ChileSat, Oct 30, 2:13 AM GMT-3 · 1799 days ago · 138 km deep · 18 km away
3. 4.2142 km E of Iquique, ChileSun, Oct 31, 12:46 PM GMT-3 · 1798 days ago · 114 km deep · 97 km away
4. 4.0115 km ESE of Iquique, ChileSun, Oct 31, 10:22 PM GMT-3 · 1797 days ago · 115 km deep · 94 km away · felt by 1
5. 4.1106 km NNE of Calama, ChileFri, Nov 5, 11:04 PM GMT-3 · 1792 days ago · 128 km deep · 35 km away
6. 4.355 km N of Calama, ChileMon, Nov 15, 7:31 PM GMT-3 · 1782 days ago · 119 km deep · 87 km away
7. 4.6163 km ESE of Iquique, ChileThu, Nov 18, 11:10 AM GMT-3 · 1780 days ago · 115 km deep · 49 km away · felt by 7
8. 4.0138 km N of Calama, ChileSun, Nov 21, 7:46 AM GMT-3 · 1777 days ago · 117 km deep · 45 km away
9. 4.2157 km NNE of Calama, ChileMon, Nov 22, 8:07 AM GMT-3 · 1776 days ago · 132 km deep · 21 km away
10. 4.2117 km N of Calama, ChileTue, Nov 23, 12:49 AM GMT-3 · 1775 days ago · 119 km deep · 41 km away
11. 4.3113 km SW of Uyuni, BoliviaWed, Nov 24, 2:18 PM GMT-4 · 1774 days ago · 174 km deep · 100 km away · felt by 3
12. 4.6119 km ESE of Iquique, ChileWed, Nov 24, 8:14 PM GMT-3 · 1773 days ago · 95 km deep · 99 km away · felt by 18
13. 4.0102 km SW of Uyuni, BoliviaThu, Nov 25, 9:32 AM GMT-4 · 1773 days ago · 199 km deep · 94 km away
14. 4.1135 km SE of Iquique, ChileSat, Dec 11, 7:34 PM GMT-3 · 1756 days ago · 116 km deep · 74 km away · felt by 1
15. 4.5120 km NE of Calama, ChileSun, Dec 12, 4:05 PM GMT-3 · 1756 days ago · 117 km deep · 67 km away
16. 4.2152 km N of Calama, ChileTue, Dec 14, 5:40 AM GMT-3 · 1754 days ago · 106 km deep · 42 km away
17. 4.1152 km N of Calama, ChileWed, Dec 15, 11:10 AM GMT-3 · 1753 days ago · 136 km deep · 32 km away
18. 4.5119 km ESE of Iquique, ChileThu, Dec 16, 10:28 AM GMT-3 · 1752 days ago · 112 km deep · 90 km away · felt by 1
19. 4.657 km NNE of Calama, ChileThu, Dec 16, 10:48 AM GMT-3 · 1752 days ago · 126 km deep · 84 km away

Before

1. 4.386 km NNE of Calama, ChileSun, Oct 10, 3:43 PM GMT-3 · 1819 days ago · 126 km deep · 58 km away
2. 4.8148 km N of Calama, ChileSat, Oct 9, 8:33 PM GMT-3 · 1819 days ago · 114 km deep · 43 km away · felt by 3
3. 4.374 km N of Calama, ChileSat, Oct 9, 4:15 AM GMT-3 · 1820 days ago · 105 km deep · 68 km away
4. 4.2102 km N of Calama, ChileWed, Oct 6, 3:02 PM GMT-3 · 1823 days ago · 103 km deep · 63 km away
5. 4.799 km NNE of Calama, ChileSat, Oct 2, 1:36 AM GMT-3 · 1827 days ago · 103 km deep · 50 km away
6. 4.1101 km NNE of Calama, ChileThu, Sep 30, 3:05 PM GMT-3 · 1829 days ago · 130 km deep · 44 km away
7. 4.5157 km N of Calama, ChileThu, Sep 30, 12:54 PM GMT-3 · 1829 days ago · 131 km deep · 31 km away · felt by 1
8. 4.2150 km N of Calama, ChileThu, Sep 30, 12:09 PM GMT-3 · 1829 days ago · 136 km deep · 27 km away
9. 4.4138 km ESE of Iquique, ChileTue, Sep 28, 10:26 PM GMT-3 · 1830 days ago · 109 km deep · 71 km away · felt by 3
10. 4.5142 km E of Iquique, ChileSat, Sep 25, 3:09 PM GMT-3 · 1834 days ago · 119 km deep · 99 km away · felt by 1
11. 4.4103 km NNE of Calama, ChileThu, Sep 23, 8:01 AM GMT-3 · 1836 days ago · 105 km deep · 38 km away

From the USGS Earthquake Hazards Program and its partner networks, event us6000fwgy. Read Sat, Oct 3, 2026, 7:55 AM UTC.