Chile earthquakes

M4.2 earthquake 81 km WNW of Iquique, Chile

A magnitude 4.2 earthquake struck 81 km WNW of Iquique, Chile on Mon, Apr 6, 2015, 10:06 PM GMT-3 (01:06 UTC), 33 km (21 mi) below the surface.

A larger quake followed: M5.3 71 km W of Iquique, Chile. This one was a foreshock.

Iquique 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), light
Local time
UTC
2015-04-07 01:06:33 UTC
Depth
33.1 km (20.6 mi), shallow
Epicenter
20.008° S, 70.895° W
Region
Chile
Tsunami flag
No
Status
Reviewed by a seismologist

Did you feel it?

No one has reported feeling this quake to the USGS.

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
Reverse (thrust)
Moment magnitude
4.2 Mwr
Nodal plane 1
Strike 5°, dip 33°, rake 114°
Nodal plane 2
Strike 158°, dip 60°, rake 75°

How well it is located

Reviewed by a seismologist.

Location uncertainty
About 4.8 km horizontally, 5.3 km in depth
Magnitude uncertainty
±0.05
Stations used
0

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 16 in the 60 days after this one and 5 in the 30 days before it.

After

  1. 4.093 km WNW of Iquique, Chile · 4194 days ago · 31 km deep · 16 km away
  2. 4.376 km WNW of Iquique, Chile · 4188 days ago · 28 km deep · 6 km away
  3. 4.8105 km WNW of Iquique, Chile · 4169 days ago · 10 km deep · 24 km away
  4. 4.387 km WNW of Iquique, Chile · 4153 days ago · 15 km deep · 13 km away
  5. 4.396 km WNW of Iquique, Chile · 4153 days ago · 21 km deep · 19 km away
  6. 4.194 km NW of Iquique, Chile · 4152 days ago · 37 km deep · 39 km away
  7. 4.296 km WNW of Iquique, Chile · 4152 days ago · 15 km deep · 22 km away
  8. 4.2106 km WNW of Iquique, Chile · 4151 days ago · 10 km deep · 29 km away
  9. 4.276 km W of Iquique, Chile · 4151 days ago · 35 km deep · 23 km away
  10. 4.436 km NNE of Iquique, Chile · 4150 days ago · 66 km deep · 90 km away
  11. 5.371 km W of Iquique, Chile · 4149 days ago · 17 km deep · 21 km away · felt by 7
  12. 4.1Near the coast of Tarapaca, Chile · 4149 days ago · 32 km deep · 25 km away
  13. 4.868 km W of Iquique, Chile · 4149 days ago · 27 km deep · 22 km away
  14. 4.09 km NNE of Iquique, Chile · 4144 days ago · 44 km deep · 84 km away
  15. 3.730 km NW of Iquique, Chile · 4143 days ago · 36 km deep · 55 km away · felt by 1
  16. 5.084 km WNW of Iquique, Chile · 4140 days ago · 20 km deep · 7 km away

Before

  1. 4.5Near the coast of Tarapaca, Chile · 4208 days ago · 25 km deep · 73 km away
  2. 4.082 km SW of Iquique, Chile · 4208 days ago · 26 km deep · 76 km away
  3. 5.284 km SW of Iquique, Chile · 4208 days ago · 16 km deep · 76 km away · felt by 2
  4. 4.026 km S of Iquique, Chile · 4219 days ago · 18 km deep · 92 km away · felt by 2
  5. 4.056 km SW of Iquique, Chile · 4221 days ago · 25 km deep · 83 km away

Earthquakes todayChile earthquakesLive radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event us200026p1. Read Thu, Oct 1, 2026, 1:31 AM UTC.