Overall Green Earthquake alert in Costa Rica on 21 Mar 2023 01:44 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 Costa Rica on 21 Mar 2023 01:44 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:	35 Km
Lat/Lon:	9.3599 , -84.0943
Event Date:	21 Mar 2023 01:44 UTC 20 Mar 2023 19:44 Local
Exposed Population:	40 thousand in MMI V
Source:	NEIC us7000jlkb
Inserted at:	21 Mar 2023 02:06 UTC
INFORM Coping capacity of the alert score	2.7 (Costa Rica)

GDACS Score

For more info on GDACS alert score click here.

	Earthquake (Shakemap)		GDACS score
NEIC	0		0
us7000jlkb	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
1496579		0	21 Mar 2023 01:44	5.5M, 35km	3.95	N/A (in MMI>=VII)		00:21	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 Costa Rica , Province of Puntarenas (population 31,134) . The nearest places are Llorona, Quebrada Azul, Savegre, Sábalo, Finca Negro, Llamoron, Manuel Antonio Finca, Paso, Puerto Quepos, Pasito, and Heredia.

Radius	Population
100 km	3.4 million people
75 km	2.7 million people
50 km	260000 people
20 km	29000 people
10 km	4900 people
5 km	<1000 people
2 km	no people

Affected Provinces

Region Province	Country	Population
Puntarenas	Costa Rica	31000 people
San Jose	Costa Rica	no people

Affected populated places

Name	Region Province	Country	City class	Population	Distance
Llorona	Puntarenas	Costa Rica	Village	-	5 km
Quebrada Azul	Puntarenas	Costa Rica	Village	-	5 km
Savegre	Puntarenas	Costa Rica	Village	-	7 km
Sábalo	Puntarenas	Costa Rica	Village	-	7 km
Finca Negro	Puntarenas	Costa Rica	Village	-	7 km
Llamoron	Puntarenas	Costa Rica	Village	-	8 km
Manuel Antonio Finca	Puntarenas	Costa Rica	Village	-	9 km
Paso	Puntarenas	Costa Rica	Village	-	9 km
Puerto Quepos	Puntarenas	Costa Rica	Village	-	9 km
Pasito	Puntarenas	Costa Rica	Village	-	10 km
Guabos	Puntarenas	Costa Rica	Village	-	10 km
Capital	Puntarenas	Costa Rica	Village	-	10 km
Finca Managua	Puntarenas	Costa Rica	Village	-	11 km
Bijagual	Puntarenas	Costa Rica	Village	-	11 km
Delicias	Puntarenas	Costa Rica	Village	-	11 km
Paso Los Indios	Puntarenas	Costa Rica	Village	-	12 km
Santo Domingo	Puntarenas	Costa Rica	Village	-	12 km
Londres	Puntarenas	Costa Rica	Village	-	12 km
Naranjito	Puntarenas	Costa Rica	Village	-	13 km
Portalón	Puntarenas	Costa Rica	Village	-	13 km
Pascua	Puntarenas	Costa Rica	Village	-	13 km
Paquita	Puntarenas	Costa Rica	Village	-	14 km
Gallega	Puntarenas	Costa Rica	Village	-	14 km
Tocori	Puntarenas	Costa Rica	Village	-	15 km
Matapalo	Puntarenas	Costa Rica	Village	-	15 km
Esquipulas	Puntarenas	Costa Rica	Village	-	15 km
Cotos	Puntarenas	Costa Rica	Village	-	16 km
Cerritos	Puntarenas	Costa Rica	Village	-	16 km
Canitas	Puntarenas	Costa Rica	Village	-	17 km
Ríos	Puntarenas	Costa Rica	Village	-	18 km
Brujo	San Jose	Costa Rica	Village	-	18 km
Platanillo	Puntarenas	Costa Rica	Village	-	18 km
Damas	Puntarenas	Costa Rica	Village	-	19 km
San Rafael	Puntarenas	Costa Rica	Village	-	19 km
Dos Bocas	Puntarenas	Costa Rica	Village	-	20 km
Dos Boscas	Puntarenas	Costa Rica	Village	-	20 km
Palma Quemada	Puntarenas	Costa Rica	Village	-	20 km
Hatillo	Puntarenas	Costa Rica	Village	-	22 km
San Antonio	Puntarenas	Costa Rica	Village	-	22 km
Jamaica	San José	Costa Rica	Village	-	23 km
San Joaquín	San José	Costa Rica	Village	-	24 km
Salitral	Puntarenas	Costa Rica	Village	-	25 km
Concepcion	San José	Costa Rica	Village	-	25 km
Tierras Morenas	Puntarenas	Costa Rica	Village	-	25 km
Guapil	Puntarenas	Costa Rica	Village	-	25 km
Laguna	Puntarenas	Costa Rica	Village	-	26 km
Bajo Reyes	San José	Costa Rica	Village	-	27 km
Dominical	Puntarenas	Costa Rica	Village	-	29 km
Barú	Puntarenas	Costa Rica	Village	-	29 km
Savegre	San José	Costa Rica	Village	-	29 km
Torito	San José	Costa Rica	Village	-	29 km
Guabo	Puntarenas	Costa Rica	Village	-	29 km
Santa Cecilia	San José	Costa Rica	Village	-	29 km
Savegre Abajo	San José	Costa Rica	Village	-	29 km
Esperanza	San José	Costa Rica	Village	-	30 km
Naranjo	San José	Costa Rica	Village	-	30 km
Porvenir	Puntarenas	Costa Rica	Village	-	30 km
San Jerónimo	San José	Costa Rica	Village	-	30 km
Finca Palo Seco	Puntarenas	Costa Rica	Village	-	30 km
Parrita	Puntarenas	Costa Rica	Village	3500 people	30 km
Horvenir	Puntarenas	Costa Rica	Village	-	30 km
Pueblo Nuevo	Puntarenas	Costa Rica	Village	-	30 km
Santa Marta	San José	Costa Rica	Village	-	31 km
Finca Nicoya	Puntarenas	Costa Rica	Village	-	31 km
Julieta	Puntarenas	Costa Rica	Village	-	32 km
Vegas	Puntarenas	Costa Rica	Village	-	32 km
Santa Juana	Puntarenas	Costa Rica	Village	-	32 km
San Lorenzo	San José	Costa Rica	Village	-	32 km
Carmen	San José	Costa Rica	Village	-	32 km
Magnolia	San José	Costa Rica	Village	-	32 km
San Rafael Abajo	San José	Costa Rica	Village	27000 people	33 km
Caña Blanca	San José	Costa Rica	Village	-	33 km
Sardinal Sur	Puntarenas	Costa Rica	Village	-	33 km
Providencia	San José	Costa Rica	Village	-	33 km
San Marcos	San José	Costa Rica	Village	-	33 km
Finca Tigre	Puntarenas	Costa Rica	Village	-	33 km
Río Nuevo	San José	Costa Rica	Village	-	34 km
San Antonio	San José	Costa Rica	Village	-	34 km
Higueronal	San José	Costa Rica	Village	-	34 km
Ceiba	San José	Costa Rica	Village	-	34 km
Barucito	San José	Costa Rica	Village	-	34 km
San Rafael Arriba	San José	Costa Rica	Village	-	34 km
Guadalupe	San José	Costa Rica	Village	-	34 km
Calle Moras	San Jose	Costa Rica	Village	-	34 km
Sardinal	Puntarenas	Costa Rica	Village	-	34 km
Alto el Aguacate	San José	Costa Rica	Village	-	34 km
San Luis	San Jose	Costa Rica	Village	-	35 km
Surubres	Puntarenas	Costa Rica	Village	-	35 km
Montes de Oro	San José	Costa Rica	Village	-	35 km
San Isidro	San José	Costa Rica	Village	-	35 km
Tinamaste	San José	Costa Rica	Village	-	35 km
Altos Aguacate	San José	Costa Rica	Village	-	35 km
Alfombra	San José	Costa Rica	Village	-	35 km
Carrizales	San José	Costa Rica	Village	-	35 km
Ángeles	San José	Costa Rica	Village	-	36 km
Rodeo	San José	Costa Rica	Village	-	36 km
Santa Rosa	San José	Costa Rica	Village	-	36 km
Tumbas	San José	Costa Rica	Village	-	36 km
Rosario	San Jose	Costa Rica	Village	-	36 km
Playón	Puntarenas	Costa Rica	Village	-	36 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
Quepos Managua		32	Civ.	Paved	No	3600	10 km
Tobias Bolanos International	SYQ	994	Civ.	Paved	No	3200	66 km
Juan Santamaria International	SJO	921	Civ.	Paved	Yes	9800	71 km
Nuevo Palmar Sur		5				0	81 km
Palmar Sur	PMZ	15	Civ.	Paved	No	4500	82 km
Buenos Aires	BAI	370	Civ.	Paved	No	3100	86 km

Ports

Name	LOCODE	Country	Distance
Quepos (Puerto Quepos)	CRXQP	Costa Rica	11 km
Dominical		Costa Rica	33 km
Caldera	CRCAL	Costa Rica	91 km

Dams

Reservoir	Dam Name	River	Year	Distance
	Cachi	Reventazon	1966	62 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.
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