Chile earthquakes

M4.2 earthquake 158 km ESE of Iquique, Chile

A magnitude 4.2 earthquake struck 158 km ESE of Iquique, Chile on Wed, Apr 28, 2021, 2:20 AM GMT-4 (06:20 UTC), 104 km (65 mi) below the surface.

A larger quake followed: M4.7 130 km N of Calama, 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 (Mwr, regional moment), light
Magnitude from
USGS National Earthquake Information Center
Local time
UTC
2021-04-28 06:20:40 UTC
Depth
103.9 km (64.5 mi), intermediate-depth
Epicenter
20.914° S, 68.826° W
Region
Chile
Felt reports
2
Tsunami flag
No
Status
Reviewed by a seismologist

Did you feel it?

2 people reported to the USGS what they felt; the strongest reported shaking was I, not felt 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 4.5 km horizontally, 5.9 km in depth
Depth from
From location
Station coverage gap
42°
Stations used
48

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 15 in the 60 days after this one and 7 in the 30 days before it.

After

  1. 4.4140 km NNE of Calama, Chile · 1975 days ago · 106 km deep · 53 km away · felt by 1
  2. 3.898 km E of Iquique, Chile · 1970 days ago · 85 km deep · 87 km away · felt by 2
  3. 4.3108 km NNE of Calama, Chile · 1970 days ago · 143 km deep · 80 km away · felt by 1
  4. 4.296 km NNE of Calama, Chile · 1968 days ago · 138 km deep · 89 km away · felt by 1
  5. 4.7130 km N of Calama, Chile · 1965 days ago · 119 km deep · 40 km away · felt by 11
  6. 4.1144 km N of Calama, Chile · 1964 days ago · 123 km deep · 27 km away
  7. 4.2159 km ESE of Iquique, Chile · 1960 days ago · 104 km deep · 4 km away · felt by 1
  8. 4.292 km E of Iquique, Chile · 1956 days ago · 110 km deep · 87 km away · felt by 5
  9. 4.2101 km NNE of Calama, Chile · 1953 days ago · 149 km deep · 94 km away
  10. 4.083 km NNE of Calama, Chile · 1949 days ago · 139 km deep · 93 km away
  11. 4.3134 km N of Calama, Chile · 1949 days ago · 111 km deep · 38 km away
  12. 4.1130 km N of Calama, Chile · 1945 days ago · 129 km deep · 42 km away
  13. 4.5153 km ESE of Iquique, Chile · 1939 days ago · 118 km deep · 10 km away · felt by 2
  14. 4.2Chile-Bolivia border region · 1931 days ago · 135 km deep · 72 km away
  15. 4.398 km NNE of Calama, Chile · 1925 days ago · 111 km deep · 92 km away

Before

  1. 4.183 km NNE of Calama, Chile · 1989 days ago · 118 km deep · 97 km away · felt by 1
  2. 4.4131 km N of Calama, Chile · 1992 days ago · 117 km deep · 40 km away
  3. 4.181 km NNE of Calama, Chile · 1994 days ago · 118 km deep · 93 km away
  4. 4.3142 km N of Calama, Chile · 1998 days ago · 137 km deep · 32 km away
  5. 4.5144 km SW of Uyuni, Bolivia · 2000 days ago · 176 km deep · 94 km away · felt by 1
  6. 3.9151 km N of Calama, Chile · 2006 days ago · 120 km deep · 25 km away · felt by 1
  7. 4.2119 km SE of Iquique, Chile · 2010 days ago · 84 km deep · 49 km away · felt by 2

Earthquakes todayChile earthquakesLive radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event us7000dy5h. Read Fri, Oct 2, 2026, 7:53 PM UTC.