M 5.7 in Chile on 15 Sep 2023 18:07 UTC

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: 5.7M
Depth: 4.9 Km
Lat/Lon: -27.3252 , -71.5543
Event Date: 15 Sep 2023 18:07 UTC
15 Sep 2023 13:07 Local
Exposed Population: 20 thousand in MMI IV
Source: NEIC us7000kw0l
Inserted at: 15 Sep 2023 18:28 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 0
us7000kw0l Scaled population (vector) 0  
  C1 shakemap -0.59  
  C2 shakemap 0.53  
  Country Vulnerability 0  
  INFORM_normalised 1  
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
1525587 0 15 Sep 2023 18:07 5.7M, 4.9km 3.77 N/A (in MMI>=VII) 00:20 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 Atacama (population 238,212) . The alertlevel for this event is GREEN

Intensity Population
no people


Shakemaps Timeline

AlertShake id #ScoreepisodeidLat/LonMagnitudeDepthMax MMIDate shake (UTC)Delay (hh:mm) 
1 0 1525587 -71.554/-27.325 5.7 4.9 3.849 15 Sep 2023 18:30 00:22 (new episode)
2 0 1525587 -71.554/-27.325 5.7 4.9 3.777 15 Sep 2023 18:37 00:30 (upd of #1)
3 0 1525587 -71.554/-27.325 5.7 4.9 3.777 15 Sep 2023 20:13 02:06 (upd of #2)
4 0 1525587 -71.57/-27.308 5.7 5.2 3.77 16 Sep 2023 15:40 21:32 (upd of #3)
5 0 1525587 -71.57/-27.308 5.7 5.2 3.77 16 Sep 2023 18:40 1d 00:32 (upd of #4)

Affected Provinces

Intensity Region Province Country Population
Atacama Chile 15000 people
Atacama Chile 17000 people
Antofagasta Chile no people
Atacama Chile no people
Antofagasta Chile no people

Affected populated places. Areas of interest

Intensity Name Region Province Country City class Population Distance
Angostura Atacama Chile Village - 62 km
Quebrada Seca Atacama Chile Village - 73 km
Calderilla Atacama Chile Village - 74 km
Caldera Atacama Chile Village - 79 km
Totoral Atacama Chile Village - 87 km
Caserón Atacama Chile Village - 89 km
Carrizal Bajo Atacama Chile Village - 94 km
Castilla Atacama Chile Village - 111 km
Milla Quince Atacama Chile Village - 118 km
Puerto Flamenco Atacama Chile Village - 122 km
Punta de Díaz Atacama Chile Village - 122 km
Algarrobal Atacama Chile Village - 127 km
Huasco Atacama Chile Village - 130 km
Freirina Atacama Chile Village - 139 km
Pan de Azúcar Atacama Chile Village - 158 km
Pan de Azúcar Atacama Chile Village - 158 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
Caldera 55 Civ. Unpaved No 3900 80 km

Ports

Intensity Name LOCODE Country Distance
Caldera CLCLD Chile 78 km
Carrizal Chile 92 km
Huasco CLHSO Chile 129 km

More information

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