Overall Green Earthquake alert in Chile from 21 Dec 2023 16:21 UTC to 16:21

GDACS is a cooperation framework between the United Nations, the European Commission and disaster managers worldwide to improve alerts, information exchange and coordination in the first phase after major sudden-onset disasters.

M 5.7 in Chile from 21 Dec 2023 16:21 UTC to 16:21

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:	55.3 Km
Lat/Lon:	-21.9025 , -70.2778
Event Date:	21 Dec 2023 16:21 UTC 21 Dec 2023 13:21 Local
Exposed Population:	6 thousand in MMI V
Source:	NEIC us7000lkpg
Inserted at:	21 Dec 2023 16:43 UTC
INFORM Coping capacity of the alert score	3 (Chile)

GDACS Score

For more info on GDACS alert score click here.

	Earthquake (Shakemap)		GDACS score
NEIC	0		0
us7000lkpg	Scaled population (raster)	0
	C1 shakemap	0
	C2 shakemap	0
	Country Vulnerability	0
	INFORM_normalised	0

Maximum expected impact using different data sources.

Episode Timeline

ID	Alert	Score	Date	Mag, Depth	MMI*	Population**	Tsunami risk***	Delay (hh:mm)	Source
1543541		0	21 Dec 2023 16:21	5.7M, 55.3km	5.91	N/A (in MMI>=VII)		00:21	NEIC
1543754		0	21 Dec 2023 16:21	5.6M, 62.9km	4.54	30 thousand (in 100km)		1d 05:57	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 , Region of Antofagasta (population 10,038) . The nearest places are Pozo Perdido, Quillagua, Tocopilla, Tres Puntas, Barriles, La Posada, El Tigre, Ojeda, Colupito, Puntillas, and Gatico.

Radius	Population
100 km	21000 people
75 km	18000 people
50 km	17000 people
20 km	<1000 people
10 km	no people
5 km	no people
2 km	no people

Affected Provinces

Region Province	Country	Population
Antofagasta	Chile	10000 people

Affected populated places

Name	Region Province	Country	City class	Population	Distance
Pozo Perdido	Antofagasta	Chile	Village	-	18 km
Quillagua	Antofagasta	Chile	Village	-	22 km
Tocopilla	Antofagasta	Chile	City	24000 people	22 km
Tres Puntas	Antofagasta	Chile	Village	-	28 km
Barriles	Antofagasta	Chile	Village	-	30 km
La Posada	Antofagasta	Chile	Village	-	36 km
El Tigre	Antofagasta	Chile	Village	-	37 km
Ojeda	Antofagasta	Chile	Village	-	49 km
Colupito	Antofagasta	Chile	Village	-	50 km
Puntillas	Antofagasta	Chile	Village	-	57 km
Quebradillas	Antofagasta	Chile	Village	-	64 km
Gatico	Antofagasta	Chile	Village	-	68 km

see full list

Critical infrastructure

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

Airports

Name	IATA Code	Elevation (m)	Usage	Runway type	IFR	Runway Length (ft)	Distance
Barriles	TOQ	975	Civ.	Paved	No	5300	34 km
Maria Elena		1311				0	74 km

Ports

Name	LOCODE	Country	Distance
Tocopilla	CLTOQ	Chile	22 km

More information

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

Disclaimer
While we try everything to ensure accuracy, this information is purely indicative and should not be used for any decision making without alternate sources of information.
The JRC is not responsible for any damage or loss resulting from the use of the information presented on this website.
The designations employed and the presentation of material on the map do not imply the expression of any opinion whatsoever on the part of the European Union concerning the legal status of any country, territory or area or of its authorities, or concerning the delimitation of its frontiers or boundaries.