M 6.1 in Chile from 28 Jul 2022 04:15 UTC to 04:15

Hazard models

Rapid Impact
Shakemap
Tsunami

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: 6.1M
Depth: 44.45 Km
Lat/Lon: -21.9814 , -70.4681
Event Date: 28 Jul 2022 04:15 UTC
27 Jul 2022 23:15 Local
Exposed Population: About 7000 people in MMI
8 thousand (in MMI>=VII)
Source: NEIC us6000i636
Inserted at: 28 Jul 2022 04:37 UTC
INFORM Coping capacity of the alert score: 1.1 (Chile)

GDACS Score

For more info on GDACS alert score click here.
  Earthquake
(Shakemap)		 GDACS score
NEIC 0.1 0.1
us6000i636 Scaled population (raster) 2.59  
  C1 shakemap -1.16  
  C2 shakemap 0.54  
  Country Vulnerability 0  
  INFORM_normalised 0.75  
Maximum expected impact using different data sources.

ShakeMap is a product of the USGS Earthquake Hazards Program in conjunction with the regional seismic networks. ShakeMaps provide near-real-time maps of ground motion and shaking intensity following significant earthquakes.


Episode Timeline

IDAlertScoreDateMag, DepthMMI*Population**Tsunami risk***Delay (hh:mm)Source
1455426 0.1 28 Jul 2022 04:15 6.1M, 44.45km 6.73 8 thousand (in MMI>=VII) 00:22 NEIC
1455491 0.3 28 Jul 2022 04:15 6.1M, 44.74km 6.77 10 thousand (in MMI>=VII) 09:01 NEIC
1455590 0.3 28 Jul 2022 04:15 6.1M, 54km 6.75 20 thousand (in MMI>=VII) 22:38 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.

Exposed population

The earthquake happened in Chile ,of Antofagasta. The alertlevel for this event is GREEN

Intensity Population
7600 people
18000 people
<1000 people


Shakemaps Timeline

AlertShake id #ScoreepisodeidLat/LonMagnitudeDepthMax MMIDate shake (UTC)Delay (hh:mm) 
1 0 1455426 -21.981/-70.468 6.1 44.5 5.253 28 Jul 2022 04:39 00:24 (new episode)
2 0 1455426 -21.981/-70.468 6.1 44.5 5.327 28 Jul 2022 04:54 00:39 (upd of #1)
3 0.1 1455426 -21.981/-70.468 6.1 44.5 6.727 28 Jul 2022 06:09 01:54 (upd of #2)
4 0.1 1455491 -21.981/-70.468 6.1 44.5 6.727 28 Jul 2022 06:19 02:04 (new episode)
5 0.3 1455491 -21.951/-70.376 6.1 44.7 6.769 28 Jul 2022 13:18 09:03 (upd of #4)
6 0.3 1455491 -21.951/-70.376 6.1 44.7 6.766 28 Jul 2022 13:45 09:30 (upd of #5)
7 0.3 1455590 -21.934/-70.34 6.1 54.0 6.75 29 Jul 2022 03:40 23:25 (new episode)
8 0.3 1455590 -21.934/-70.34 6.1 54.0 6.75 29 Jul 2022 04:40 1d 00:25 (upd of #7)
9 0.3 1455590 -21.934/-70.34 6.1 54.0 6.749 29 Jul 2022 16:40 1d 12:25 (upd of #8)

Affected Provinces

Intensity Region Province Country Population
Antofagasta Chile no people
Antofagasta Chile 5900 people
Antofagasta Chile <1000 people
Antofagasta Chile 3800 people
Tarapaca Chile <1000 people

Affected populated places. Areas of interest

Intensity Name Region Province Country City class Population Distance
Tocopilla Antofagasta Chile City 24000 people 31 km
Ojeda Antofagasta Chile Village - 64 km
Cobija Antofagasta Chile Village - 67 km
Puntillas Antofagasta Chile Village - 75 km
Rica Aventura Antofagasta Chile Village - 88 km
Aventura Antofagasta Chile Village - 89 km
Toco Antofagasta Chile Village - 91 km
María Elena Antofagasta Chile Village - 93 km
Coya Sur Antofagasta Chile Village - 99 km
Quillagua Antofagasta Chile Village - 103 km
Vergara Antofagasta Chile Village - 104 km
Pedro de Valdivia Antofagasta Chile City - 107 km
Lynch Antofagasta Chile Village - 114 km
Algorta Antofagasta Chile Village - 120 km

see full list


Critical infrastructure

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

Airports

Intensity Name IATA Code Elevation (m) Usage Runway type IFR Runway Length (ft) Distance
Barriles TOQ 975 Civ. Paved No 5300 45 km
Maria Elena 1311 0 86 km

Ports

Intensity Name LOCODE Country Distance
Tocopilla CLTOQ Chile 31 km

More information

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