Chile earthquakes

M4.2 earthquake 83 km SSE of Iquique, Chile

A magnitude 4.2 earthquake struck 83 km SSE of Iquique, Chile on Tue, Jul 20, 2021, 10:02 PM GMT-4 (02:02 UTC), 88 km (55 mi) below the surface.

A larger quake followed: M4.9 136 km ESE of Iquique, Chile. This one was a foreshock.

Pozo Almonte forecastMore in Chile

Map

Where this earthquake was located, with the others nearby. Select one for its page.

Open the live map with earthquakes

The earthquake

Magnitude
4.2 (mb, body-wave), light
Magnitude from
USGS National Earthquake Information Center
Local time
UTC
2021-07-21 02:02:39 UTC
Depth
88.4 km (54.9 mi), intermediate-depth
Epicenter
20.926° S, 69.898° W
Region
Chile
Felt reports
6
Tsunami flag
No
Status
Reviewed by a seismologist

Did you feel it?

6 people reported to the USGS what they felt; the strongest reported shaking was II, weak shaking.

Did You Feel It? map: shaking reported by the public
Shaking reported by the public, by area. Map: USGS Did You Feel It?

How well it is located

Reviewed by a seismologist.

Location uncertainty
About 3.7 km horizontally, 4.2 km in depth
Magnitude uncertainty
±0.16
Depth from
From location
Station coverage gap
135°
Stations used
32

Nearest places

Distance and direction from each place to the epicenter, with its forecast.

Nearby

Within 100 km, magnitude 1.5 and up: 7 in the 60 days after this one and 2 in the 30 days before it.

After

  1. 4.2103 km ESE of Iquique, Chile · 1891 days ago · 101 km deep · 87 km away · felt by 5
  2. 4.1101 km SSE of Iquique, Chile · 1888 days ago · 64 km deep · 20 km away · felt by 4
  3. 4.288 km NNW of Tocopilla, Chile · 1870 days ago · 21 km deep · 71 km away · felt by 1
  4. 4.9136 km ESE of Iquique, Chile · 1866 days ago · 103 km deep · 87 km away · felt by 9
  5. 2.826 km WSW of Iquique, Chile · 1860 days ago · 32 km deep · 82 km away · felt by 1
  6. 4.288 km NNE of Tocopilla, Chile · 1859 days ago · 45 km deep · 48 km away · felt by 2
  7. 4.193 km ESE of Iquique, Chile · 1849 days ago · 94 km deep · 64 km away · felt by 4

Before

  1. 2.315 km SSE of Iquique, Chile · 1902 days ago · 32 km deep · 68 km away · felt by 2
  2. 4.184 km NNE of Tocopilla, Chile · 1911 days ago · 59 km deep · 50 km away

Earthquakes todayChile earthquakesLive radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event us6000exi5. Read Sat, Oct 3, 2026, 2:07 AM UTC.