M6.2 earthquake 82 km NNE of Tocopilla, Chile
A magnitude 6.2 earthquake struck 82 km NNE of Tocopilla, Chile on Fri, Sep 11, 2020, 4:35 AM GMT-3 (07:35 UTC), 51 km (32 mi) below the surface.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 6.2 (Mww, W-phase moment), strong
- Magnitude from
- USGS National Earthquake Information Center
- Local time
- UTC
- 2020-09-11 07:35:57 UTC
- Depth
- 51.0 km (31.7 mi), shallow
- Epicenter
- 21.397° S, 69.910° W
- Region
- Chile
- Felt reports
- 149
- Strongest shaking
- VII, very strong shaking
- PAGER alert
- Green
- Tsunami flag
- No
- Status
- Reviewed by a seismologist
Magnitude estimates
Different scales measure different things and differ by a few tenths. The USGS marks one as preferred, and it is the one this page uses.
| Mag. | Scale | Computed by | Notes |
|---|---|---|---|
| 6.2 | Mww, W-phase moment | USGS National Earthquake Information Center | Preferred · Reviewed · ±0.071 · 19 stations |
| 6.24 | Mw, moment | ISC-GEM global catalog | Final · ±0.1 |
| 6.4 | Mi | NOAA Pacific Tsunami Warning Center | First automatic solution · Reviewed · 12 stations |
| 6.1 | Mi | NOAA National Tsunami Warning Center | First automatic solution · Reviewed · 4 stations |
| 6.1 | Mwb, body-wave moment | USGS National Earthquake Information Center | Moment tensor · Reviewed |
What happened
The USGS’s account of the effects of this earthquake.
One person injured and some houses damaged in Quillagua.
From the USGS event page for us7000blm2. U.S. Geological Survey text and figures are in the public domain.
Shaking
The USGS ShakeMap: shaking estimated from seismic stations and the quake’s size, on the Modified Mercalli intensity scale.
- Strongest estimated
- VII, very strong shaking
- Peak ground acceleration
- 69.4% of gravity
- Peak ground velocity
- 3.1 cm/s
- Map
- Automatic

Did you feel it?
149 people reported to the USGS what they felt; the strongest reported shaking was VII, very strong shaking.

Estimated impact
The USGS PAGER system estimates deaths and economic losses from the shaking and the population and buildings exposed to it.
- Alert level
- Green: little or no damage or loss of life expected
| Range | Chance |
|---|---|
| Under 1 | 65% |
| 1 to 10 | 30% |
| 10 to 100 | 4% |
| 100 to 1,000 | Under 1% |
| 1,000 to 10,000 | Under 1% |
| 10,000 to 100,000 | Under 1% |
| 100,000 to 10,000,000 | Under 1% |
| Range, million USD | Chance |
|---|---|
| Under 1 | 99% |
| 1 to 10 | 1% |
| 10 to 100 | Under 1% |
| 100 to 1,000 | Under 1% |
| 1,000 to 10,000 | Under 1% |
| 10,000 to 100,000 | Under 1% |
| 100,000 to 10,000,000 | Under 1% |
Fault motion and ground failure
How the rock slipped, from the moment tensor, and the USGS estimate of landslides and liquefaction.
- Faulting
- Strike-slip
- Moment magnitude
- 6.2 Mww
- Nodal plane 1
- Strike 311°, dip 65°, rake 159°
- Nodal plane 2
- Strike 50°, dip 71°, rake 27°
- Landslide alert
- Green
- Liquefaction alert
- Green
How well it is located
Reviewed by a seismologist.
- Location uncertainty
- About 6.3 km horizontally, 1.9 km in depth
- Magnitude uncertainty
- ±0.07
- Depth from
- From modeling of broad-band P waveforms
- Station coverage gap
- 72°
- Stations used
- 139
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 3.2 and up: 9 in the 60 days after this one and 2 in the 30 days before it.
After
- 4.578 km NNE of Tocopilla, Chile · 2212 days ago · 45 km deep · 5 km away · felt by 6
- 4.583 km NNE of Tocopilla, Chile · 2212 days ago · 52 km deep · 1 km away · felt by 1
- 4.483 km NNE of Tocopilla, Chile · 2211 days ago · 51 km deep · 8 km away · felt by 1
- 3.763 km S of Iquique, Chile · 2187 days ago · 45 km deep · 73 km away · felt by 3
- 4.082 km NNE of Tocopilla, Chile · 2187 days ago · 46 km deep · 4 km away · felt by 2
- 4.220 km NE of Tocopilla, Chile · 2181 days ago · 72 km deep · 63 km away
- 4.239 km NW of Tocopilla, Chile · 2179 days ago · 24 km deep · 77 km away
- 3.983 km NNE of Tocopilla, Chile · 2171 days ago · 53 km deep · 2 km away · felt by 2
- 4.086 km NNE of Tocopilla, Chile · 2165 days ago · 54 km deep · 4 km away · felt by 1
Before
Earthquakes todayChile earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event us7000blm2 (also filed as at00qghh3w, pt20255000, iscgem618998155). Read Fri, Oct 2, 2026, 1:58 PM UTC.