Overall Green Earthquake alert in Chile on 23 Feb 2023 10:23 UTC

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 5.5 in Chile on 23 Feb 2023 10:23 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:	5.5M
Depth:	26.783 Km
Lat/Lon:	-33.9235 , -73.2001
Event Date:	23 Feb 2023 10:23 UTC 23 Feb 2023 05:23 Local
Exposed Population:	Few people affected in MMI -
Source:	NEIC us6000jqzy
Inserted at:	23 Feb 2023 10:39 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
us6000jqzy	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

ID	Alert	Score	Date	Mag, Depth	MMI*	Population**	Tsunami risk***	Delay (hh:mm)	Source
1491668		0	23 Feb 2023 10:23	5.5M, 26.783km	3.54	N/A (in MMI>=VII)		00:15	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 Libertador General Bernardo O'Higgins (population 140,005) . The alertlevel for this event is GREEN

Intensity	Population
	no people

Shakemaps Timeline

Shake id #	episodeid	Lat/Lon	Magnitude	Depth	Max MMI	Date shake (UTC)	Delay (hh:mm)
1	1491668	-73.2/-33.924	5.5	26.8	3.541	23 Feb 2023 10:43	00:20	(new episode)
2	1491668	-73.2/-33.924	5.5	26.8	3.541	23 Feb 2023 12:28	02:05	(upd of #1)
3	1491668	-73.2/-33.924	5.5	26.8	3.541	24 Feb 2023 10:40	1d 00:16	(upd of #2)

Affected Provinces

Region Province	Country	Population
Libertador General Bernardo O'Higgins	Chile	280000 people
Valparaiso	Chile	530000 people
Maule	Chile	140000 people
Region Metropolitana	Chile	200000 people

Affected populated places. Areas of interest

Name	Region Province	Country	City class	Population	Distance
Pichilemu	Libertador General Bernado O'Higgins	Chile	Village	-	120 km
Pichilemu	Libertador General Bernado O'Higgins	Chile	Village	-	120 km
Matanzas	Libertador General Bernado O'Higgins	Chile	Village	-	123 km
Matanzas	Libertador General Bernado O'Higgins	Chile	Village	-	123 km
Ciruelos	Libertador General Bernado O'Higgins	Chile	Village	-	127 km
Ciruelos	Libertador General Bernado O'Higgins	Chile	Village	-	127 km
Navidad	Libertador General Bernado O'Higgins	Chile	Village	-	127 km
Navidad	Libertador General Bernado O'Higgins	Chile	Village	-	127 km
La Villa	Libertador General Bernado O'Higgins	Chile	Village	-	130 km
La Villa	Libertador General Bernado O'Higgins	Chile	Village	-	130 km
San Vicente	Libertador General Bernado O'Higgins	Chile	Village	-	132 km
San Vicente	Libertador General Bernado O'Higgins	Chile	Village	-	132 km
Rapel	Libertador General Bernado O'Higgins	Chile	Village	-	136 km
Rapel	Libertador General Bernado O'Higgins	Chile	Village	-	136 km
El Rosario	Libertador General Bernado O'Higgins	Chile	Village	-	138 km
El Rosario	Libertador General Bernado O'Higgins	Chile	Village	-	138 km
Paredones	Libertador General Bernado O'Higgins	Chile	Village	-	144 km
Paredones	Libertador General Bernado O'Higgins	Chile	Village	-	144 km
Marchigüe	Libertador General Bernado O'Higgins	Chile	Village	-	144 km
Marchigüe	Libertador General Bernado O'Higgins	Chile	Village	-	144 km
La Estrella	Libertador General Bernado O'Higgins	Chile	Village	-	146 km
La Estrella	Libertador General Bernado O'Higgins	Chile	Village	-	146 km
Iloca	Maule	Chile	Village	-	146 km
Iloca	Maule	Chile	Village	-	146 km
Rocas de Santo Domingo	Valparaíso	Chile	Village	-	150 km
Rocas de Santo Domingo	Valparaíso	Chile	Village	-	150 km
Llolleo	Valparaiso	Chile	Village	-	151 km
Llolleo	Valparaiso	Chile	Village	-	151 km
Comunidad de Quelentaro	Libertador General Bernado O'Higgins	Chile	Village	-	151 km
Comunidad de Quelentaro	Libertador General Bernado O'Higgins	Chile	Village	-	151 km
San Antonio	Valparaiso	Chile	City	85000 people	151 km
San Antonio	Valparaiso	Chile	City	85000 people	151 km
El Quisco	Valparaíso	Chile	Village	-	151 km
El Quisco	Valparaíso	Chile	Village	-	151 km
Vichuquén	Maule	Chile	Village	-	151 km
Vichuquén	Maule	Chile	Village	-	151 km
El Tabo	Valparaiso	Chile	Village	-	152 km
El Tabo	Valparaiso	Chile	Village	-	152 km
Las Higueras	Libertador General Bernado O'Higgins	Chile	Village	-	152 km
Las Higueras	Libertador General Bernado O'Higgins	Chile	Village	-	152 km
Quesería	Maule	Chile	Village	-	153 km
Quesería	Maule	Chile	Village	-	153 km
Las Cruces	Valparaiso	Chile	Village	-	154 km
Las Cruces	Valparaiso	Chile	Village	-	154 km
Cartagena	Valparaiso	Chile	Village	-	154 km
Cartagena	Valparaiso	Chile	Village	-	154 km
Marchihue	Libertador General Bernado O'Higgins	Chile	Village	-	155 km
Marchihue	Libertador General Bernado O'Higgins	Chile	Village	-	155 km
Algarrobo	Valparaíso	Chile	Village	-	155 km
Algarrobo	Valparaíso	Chile	Village	-	155 km
Nilahue Cornejo	Libertador General Bernado O'Higgins	Chile	Village	-	157 km
Nilahue Cornejo	Libertador General Bernado O'Higgins	Chile	Village	-	157 km
Licantén	Maule	Chile	Village	-	159 km
Licantén	Maule	Chile	Village	-	159 km
Lo Abarca	Valparaiso	Chile	Village	-	161 km
Lo Abarca	Valparaiso	Chile	Village	-	161 km
El Crucero	Region Metropolitana	Chile	Village	-	161 km
El Crucero	Region Metropolitana	Chile	Village	-	161 km
Quintay	Valparaíso	Chile	Village	-	162 km
Quintay	Valparaíso	Chile	Village	-	162 km
Población	Libertador General Bernado O'Higgins	Chile	Village	-	163 km
Población	Libertador General Bernado O'Higgins	Chile	Village	-	163 km
Chanquiuque	Maule	Chile	Village	-	163 km
Chanquiuque	Maule	Chile	Village	-	163 km
Curepto	Maule	Chile	Village	-	168 km
Curepto	Maule	Chile	Village	-	168 km
Punta de la Piedra	Libertador General Bernado O'Higgins	Chile	Village	-	168 km
Punta de la Piedra	Libertador General Bernado O'Higgins	Chile	Village	-	168 km
Manzano	Libertador General Bernado O'Higgins	Chile	Village	-	169 km
Manzano	Libertador General Bernado O'Higgins	Chile	Village	-	169 km
Peralillo	Libertador General Bernado O'Higgins	Chile	Village	-	170 km
Peralillo	Libertador General Bernado O'Higgins	Chile	Village	-	170 km
El Membrillo	Libertador General Bernado O'Higgins	Chile	Village	-	171 km
El Membrillo	Libertador General Bernado O'Higgins	Chile	Village	-	171 km
Lagunillas	Valparaíso	Chile	Village	-	171 km
Lagunillas	Valparaíso	Chile	Village	-	171 km
Constitución	Maule	Chile	Village	46000 people	171 km
Constitución	Maule	Chile	Village	46000 people	171 km
Gualañe	Maule	Chile	Village	-	173 km
Gualañe	Maule	Chile	Village	-	173 km
Casablanca	Regíon Metropolitana	Chile	Village	-	179 km
Casablanca	Regíon Metropolitana	Chile	Village	-	179 km
Pichidegua	Libertador General Bernado O'Higgins	Chile	Village	-	182 km
Pichidegua	Libertador General Bernado O'Higgins	Chile	Village	-	182 km
Melipilla	Región Metropolitana	Chile	City	63000 people	186 km
Melipilla	Región Metropolitana	Chile	City	63000 people	186 km
Santa Cruz	Libertador General Bernado O'Higgins	Chile	Village	33000 people	186 km
Santa Cruz	Libertador General Bernado O'Higgins	Chile	Village	33000 people	186 km
Chépica	Libertador General Bernado O'Higgins	Chile	Village	-	197 km
Chépica	Libertador General Bernado O'Higgins	Chile	Village	-	197 km

see full list

Critical infrastructure

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

Airports

Name	Elevation (m)	Usage	Runway type	IFR	Runway Length (ft)	Distance
Rapelhuapi	149	Priv.	Unpaved	No	3200	157 km
Rapelhuapi	149	Priv.	Unpaved	No	3200	157 km
Quivolgo	14	Civ.	Unpaved	No	3100	170 km
Quivolgo	14	Civ.	Unpaved	No	3100	170 km

Ports

Name	LOCODE	Country	Distance
San Antonio	CLSAI	Chile	152 km
San Antonio	CLSAI	Chile	152 km
Constitucion		Chile	172 km
Constitucion		Chile	172 km

Dams

Intensity	Reservoir	Dam Name	River	Year	Distance
		Rapel	Rapel	1968	150 km
		Rapel	Rapel	1968	150 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.