M4.0 earthquake 138 km N of Calama, Chile

Magnitude

4.0 (mb, body-wave), light

Magnitude from

USGS National Earthquake Information Center

Local time

Sun, Nov 21, 2021, 7:46 AM GMT-3

UTC

2021-11-21 10:46:06 UTC

Depth

117.5 km (73.0 mi), intermediate-depth

Epicenter

21.205° S, 68.903° W

Region

Chile

Tsunami flag

No

Status

Reviewed by a seismologist

Location uncertainty

About 5.5 km horizontally, 8.1 km in depth

Magnitude uncertainty

±0.20

Depth from

From location

Station coverage gap

44°

Stations used

28

• Calama, ChilePopulation 166,334. Forecast139 kmN
• La Paz, BoliviaPopulation 2,004,652. Forecast529 kmS

After

1. 4.2157 km NNE of Calama, ChileMon, Nov 22, 8:07 AM GMT-3 · 1776 days ago · 132 km deep · 40 km away
2. 4.2117 km N of Calama, ChileTue, Nov 23, 12:49 AM GMT-3 · 1775 days ago · 119 km deep · 23 km away
3. 4.6119 km ESE of Iquique, ChileWed, Nov 24, 8:14 PM GMT-3 · 1773 days ago · 95 km deep · 73 km away · felt by 18
4. 4.3147 km E of Iquique, ChileMon, Dec 6, 2:48 AM GMT-3 · 1762 days ago · 122 km deep · 98 km away
5. 4.1135 km SE of Iquique, ChileSat, Dec 11, 7:34 PM GMT-3 · 1756 days ago · 116 km deep · 38 km away · felt by 1
6. 4.2152 km N of Calama, ChileTue, Dec 14, 5:40 AM GMT-3 · 1754 days ago · 106 km deep · 16 km away
7. 4.1152 km N of Calama, ChileWed, Dec 15, 11:10 AM GMT-3 · 1752 days ago · 136 km deep · 23 km away
8. 4.5119 km ESE of Iquique, ChileThu, Dec 16, 10:28 AM GMT-3 · 1752 days ago · 112 km deep · 55 km away · felt by 1
9. 4.657 km NNE of Calama, ChileThu, Dec 16, 10:48 AM GMT-3 · 1751 days ago · 126 km deep · 89 km away
10. 4.486 km NNE of Calama, ChileSun, Dec 19, 8:17 AM GMT-3 · 1749 days ago · 107 km deep · 70 km away
11. 4.2143 km N of Calama, ChileMon, Dec 27, 4:04 PM GMT-3 · 1740 days ago · 114 km deep · 22 km away
12. 4.7131 km NNE of Calama, ChileSun, Jan 2, 8:56 AM GMT-3 · 1735 days ago · 138 km deep · 54 km away
13. 4.2146 km N of Calama, ChileTue, Jan 4, 11:17 PM GMT-3 · 1732 days ago · 119 km deep · 23 km away
14. 4.160 km NNE of Calama, ChileMon, Jan 10, 3:52 AM GMT-3 · 1727 days ago · 149 km deep · 90 km away
15. 4.2162 km N of Calama, ChileTue, Jan 11, 1:12 PM GMT-3 · 1725 days ago · 110 km deep · 28 km away
16. 4.192 km NNE of Tocopilla, ChileWed, Jan 12, 7:18 AM GMT-3 · 1725 days ago · 49 km deep · 97 km away · felt by 2
17. 4.3129 km N of Calama, ChileFri, Jan 14, 2:50 AM GMT-3 · 1723 days ago · 119 km deep · 10 km away
18. 4.0130 km NNE of Calama, ChileFri, Jan 14, 10:26 PM GMT-3 · 1722 days ago · 151 km deep · 75 km away
19. 4.2114 km NNE of Calama, ChileWed, Jan 19, 7:02 PM GMT-3 · 1717 days ago · 124 km deep · 63 km away

Before

1. 4.6163 km ESE of Iquique, ChileThu, Nov 18, 11:10 AM GMT-3 · 1779 days ago · 115 km deep · 34 km away · felt by 7
2. 4.355 km N of Calama, ChileMon, Nov 15, 7:31 PM GMT-3 · 1782 days ago · 119 km deep · 84 km away
3. 4.1106 km NNE of Calama, ChileFri, Nov 5, 11:04 PM GMT-3 · 1792 days ago · 128 km deep · 55 km away
4. 4.0115 km ESE of Iquique, ChileSun, Oct 31, 10:22 PM GMT-3 · 1797 days ago · 115 km deep · 57 km away · felt by 1
5. 4.2142 km E of Iquique, ChileSun, Oct 31, 12:46 PM GMT-3 · 1797 days ago · 114 km deep · 85 km away
6. 4.2146 km NNE of Calama, ChileSat, Oct 30, 2:13 AM GMT-3 · 1799 days ago · 138 km deep · 30 km away
7. 4.151 km NNE of Calama, ChileSat, Oct 23, 4:43 PM GMT-3 · 1805 days ago · 121 km deep · 97 km away

From the USGS Earthquake Hazards Program and its partner networks, event us7000fvxm. Read Sat, Oct 3, 2026, 1:13 AM UTC.