M 6.2 in Chile on 27 Jul 2022 18:58 UTC
Rapid Impact

Event summary

This earthquake is expected to have a low humanitarian impact based on the magnitude and the affected population and their vulnerability.

Earthquake Magnitude: 6.2M
Depth: 98.97 Km
Lat/Lon: -22.1733 , -68.4714
Event Date: 27 Jul 2022 18:58 UTC
27 Jul 2022 14:58 Local
Exposed Population: 140000 people in MMI
150 thousand in MMI V
Source: NEIC us6000i5zi
Inserted at: 27 Jul 2022 19:17 UTC
INFORM Coping capacity of the alert score: 3 (Chile)


For more info on GDACS alert score click here.
(Rapid Impact)
GDACS score
NEIC 0 0
us6000i5zi Scaled population (raster) 0  
  C1 rapid impact -0.88  
  C2 rapid impact 0.54  
  Country Vulnerability 0  
  INFORM_normalised 1.79  
Maximum expected impact using different data sources.

The green area correspond to areas affected by strong shaking (MMI VI or higher) according to the simulation.

Episode Timeline

IDAlertScoreDateMag, DepthMMI*Population**Tsunami risk***Delay (hh:mm)Source
1455360 0 27 Jul 2022 18:58 6.2M, 98.97km 5.25 less than 100 (in MMI>=VII) N/A 00:18 NEIC
The episode that generated the alert; the next major evaluations beyond 12 hours will not trigger additional alerts.
The episode that has the last updated information.
* The max MMI detected for sources having shakemaps;
** The population detected in MMI>=7 for episode with shakemap or in a 100km radius;
*** The tsunami max height.

Rapid Impact

The results presented below are calculated with the ShakeMap open source software (USGS) using only earthquake hypocenter information to provide a rapid estimation of the ground motion and shaking intensity without taking into account any instrumental observations or earthquake source scaling laws.

Exposed population

The earthquake happened in Chile ,of Antofagasta (population 423,780) . The alertlevel for this event is GREEN

Intensity Population
150000 people

Affected Provinces

Intensity Region Province Country Population
Antofagasta Chile 6200 people
Antofagasta Chile 140000 people
Potosi Bolivia no people

Affected populated places. Areas of interest

Intensity Name Region Province Country City class Population Distance
Río Loa Antofagasta Chile Village - 16 km
Conchi Antofagasta Chile Village - 23 km
Chíuchíu Antofagasta Chile Village - 25 km
Calina Antofagasta Chile Village - 29 km
Caspana Antofagasta Chile Village - 31 km
Toconce Antofagasta Chile Village - 34 km
Cabana Antofagasta Chile Village - 43 km
Chuquicamata Antofagasta Chile City - 50 km
Calama Antofagasta Chile City 140000 people 56 km

see full list

Critical infrastructure

Airports, ports, nuclear plants and hydrodams at risk, if affected, are listed below.


Intensity Name IATA Code Elevation (m) Usage Runway type IFR Runway Length (ft) Distance
El Loa CJC 2318 Civ. Paved Yes 9400 57 km

More information

For a full list of available products related to this event, please refer to the GDACS Resources page.