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
(Rapid Impact)		 GDACS score
NEIC 0 0
us7000jlkb Scaled population (raster) 0  
  C1 rapid impact 0  
  C2 rapid impact 0  
  Country Vulnerability 0  
  INFORM_normalised 0  
Maximum expected impact using different data sources.

The green area correspond to areas affected by strong shaking (MMI VI or higher) according to the simulation.


Episode Timeline

IDAlertScoreDateMag, DepthMMI*Population**Tsunami risk***Delay (hh:mm)Source
1496579 0 21 Mar 2023 01:44 5.5M, 35km 5.47 N/A (in MMI>=VII) N/A 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.

Rapid Impact

The results presented below are calculated with the ShakeMap open source software (USGS) using only earthquake hypocenter information to provide a rapid estimation of the ground motion and shaking intensity without taking into account any instrumental observations or earthquake source scaling laws.

Exposed population

The earthquake happened in Costa Rica ,of Puntarenas (population 384,746) . The alertlevel for this event is GREEN

Intensity Population
37000 people

Affected Provinces

Intensity Region Province Country Population
Puntarenas Costa Rica 43000 people
San Jose Costa Rica no people
Puntarenas Costa Rica 11000 people
San Jose Costa Rica 140000 people
Cartago Costa Rica 2200 people

Affected populated places. Areas of interest

Intensity Name Region Province Country City class Population Distance
Savegre Puntarenas Costa Rica Village - 7 km
Puerto Quepos Puntarenas Costa Rica Village - 9 km
Portalón Puntarenas Costa Rica Village - 13 km
Hatillo Puntarenas Costa Rica Village - 22 km
Parrita Puntarenas Costa Rica Village 3500 people 30 km
San Joaquín San José Costa Rica Village - 24 km
Dominical Puntarenas Costa Rica Village - 29 km
Savegre San José Costa Rica Village - 29 km
Esperanza San José Costa Rica Village - 30 km
Providencia San José Costa Rica Village - 33 km
San Marcos San José Costa Rica Village - 33 km
Tinamaste San José Costa Rica Village - 35 km
San Isidro San José Costa Rica Village 34000 people 43 km
Frailes San José Costa Rica Village - 43 km
Quebradas San José Costa Rica Village - 43 km
Uvita Puntarenas Costa Rica Village - 45 km
Angostura San José Costa Rica Village - 46 km
Esterillos Este Puntarenas Costa Rica Village - 49 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
Quepos Managua 32 Civ. Paved No 3600 10 km

Ports

Intensity Name LOCODE Country Distance
Quepos (Puerto Quepos) CRXQP Costa Rica 11 km
Dominical Costa Rica 33 km

More information

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