Chile earthquakes

M4.6 earthquake 29 km NNE of Calama, Chile

A magnitude 4.6 earthquake struck 29 km NNE of Calama, Chile on Sat, Aug 22, 2026, 2:46 PM GMT-4 (18:46 UTC), 105 km (66 mi) below the surface.

A larger quake followed: M4.7 47 km WSW of Ollagüe, Chile. This one was a foreshock.

Calama 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
4.6 (mwr), light
Local time
UTC
2026-08-22 18:46:27 UTC
Depth
105.5 km (65.5 mi), intermediate-depth
Epicenter
22.209° S, 68.815° 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.

Fault motion and ground failure

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

Faulting
Normal
Moment magnitude
4.6 Mwr
Nodal plane 1
Strike 334°, dip 67°, rake -91°
Nodal plane 2
Strike 158°, dip 23°, rake -87°

How well it is located

Reviewed by a seismologist.

Location uncertainty
About 3.9 km horizontally, 5.0 km in depth
Magnitude uncertainty
±0.08
Depth from
From location
Station coverage gap
49°
Stations used
57

Nearest places

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

Nearby

Within 100 km, magnitude 1.6 and up: 8 since this one and 3 in the 30 days before it.

After

  1. 4.747 km WSW of Ollagüe, Chile · 27 days ago · 122 km deep · 98 km away
  2. 4.536 km WSW of Ollagüe, Chile · 18 days ago · 131 km deep · 96 km away
  3. 4.833 km NE of Calama, Chile · 16 days ago · 116 km deep · 12 km away
  4. 4.250 km SSW of Ollagüe, Chile · 16 days ago · 122 km deep · 73 km away
  5. 4.762 km WSW of Ollagüe, Chile · 14 days ago · 111 km deep · 89 km away
  6. 4.226 km ENE of Calama, Chile · 13 days ago · 116 km deep · 24 km away
  7. 4.259 km NE of María Elena, Chile · 5 days ago · 83 km deep · 54 km away
  8. 4.358 km NNE of Calama, Chile · 5 hr ago · 111 km deep · 30 km away

Before

  1. 4.355 km WSW of Ollagüe, Chile · 38 days ago · 116 km deep · 84 km away
  2. 4.231 km NE of Calama, Chile · 46 days ago · 109 km deep · 7 km away
  3. 4.434 km SW of Ollagüe, Chile · 52 days ago · 140 km deep · 91 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us6000tmtm. Read Tue, Sep 22, 2026, 2:46 PM UTC.