Chile earthquakes

M4.1 earthquake 46 km SW of Iquique, Chile

A magnitude 4.1 earthquake struck 46 km SW of Iquique, Chile on Mon, Jul 6, 2020, 11:50 PM GMT-4 (03:50 UTC), 35 km (22 mi) below the surface.

A larger quake followed: M5.9 3 km SE of Iquique, Chile. This one was a foreshock.

Alto Hospicio forecastMore in Chile

Map

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

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The earthquake

Magnitude
4.1 (Mwr, regional moment), light
Magnitude from
USGS National Earthquake Information Center
Local time
UTC
2020-07-07 03:50:36 UTC
Depth
35.0 km (21.7 mi), shallow
Epicenter
20.525° S, 70.445° W
Region
Chile
Felt reports
12
Tsunami flag
No
Status
Reviewed by a seismologist

Did you feel it?

12 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?

Fault motion and ground failure

How the rock slipped, from the moment tensor, and the USGS estimate of landslides and liquefaction.

Faulting
Oblique reverse
Moment magnitude
4.1 Mwr
Nodal plane 1
Strike 61°, dip 24°, rake 143°
Nodal plane 2
Strike 186°, dip 76°, rake 71°

How well it is located

Reviewed by a seismologist.

Location uncertainty
About 2.5 km horizontally, 2.0 km in depth
Magnitude uncertainty
±0.07
Depth from
Operator assigned
Station coverage gap
138°
Stations used
43

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 11 in the 60 days after this one and 4 in the 30 days before it.

After

  1. 4.013 km WNW of Iquique, Chile · 2270 days ago · 42 km deep · 44 km away · felt by 21
  2. 3.217 km WNW of Iquique, Chile · 2269 days ago · 42 km deep · 44 km away · felt by 2
  3. 5.93 km SE of Iquique, Chile · 2268 days ago · 74 km deep · 46 km away · felt by 170 · PAGER yellow
  4. 4.285 km SW of Iquique, Chile · 2268 days ago · 35 km deep · 41 km away · felt by 15
  5. 4.510 km S of Iquique, Chile · 2266 days ago · 68 km deep · 40 km away · felt by 64
  6. 3.552 km S of Iquique, Chile · 2265 days ago · 39 km deep · 36 km away · felt by 8
  7. 3.116 km W of Iquique, Chile · 2254 days ago · 27 km deep · 37 km away · felt by 5
  8. 3.614 km ENE of Iquique, Chile · 2239 days ago · 45 km deep · 58 km away · felt by 6
  9. 3.753 km SE of Iquique, Chile · 2231 days ago · 50 km deep · 63 km away · felt by 12
  10. 4.288 km SW of Iquique, Chile · 2228 days ago · 16 km deep · 44 km away · felt by 2
  11. 4.334 km NE of Iquique, Chile · 2226 days ago · 61 km deep · 81 km away · felt by 21

Before

  1. 4.950 km W of Iquique, Chile · 2288 days ago · 18 km deep · 42 km away · felt by 17
  2. 3.525 km N of Iquique, Chile · 2290 days ago · 44 km deep · 69 km away · felt by 6
  3. 3.445 km SE of Iquique, Chile · 2293 days ago · 85 km deep · 61 km away · felt by 3
  4. 3.018 km SSW of Iquique, Chile · 2296 days ago · 35 km deep · 32 km away · felt by 3

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us7000aj9c. Read Fri, Oct 2, 2026, 4:11 PM UTC.