M 4.6 in Costa Rica on 06 Mar 2010 04:49 UTC

Hazard models

EQ parameters
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: 4.6M
Depth: 3.1 Km
Lat/Lon: 9.952 , -84.027
Event Date: 06 Mar 2010 04:49 UTC
05 Mar 2010 22:49 Local
Exposed Population:
3380000 people within 100km
Source: NEIC us2010tmav
Inserted at: 06 Mar 2010 08:29 UTC

GDACS Score

For more info on GDACS alert score click here.
  Earthquake GDACS score
NEIC 0.5 0.5
us2010tmav Scaled population (vector) n.a  
  C1 earthquake n.a  
  C2 earthquake n.a  
  Country Vulnerability n.a  
  INFORM_normalised n.a  
Maximum expected impact using different data sources.

Episode Timeline

IDAlertScoreDateMag, DepthMMI*Population**Tsunami risk***Delay (hh:mm)Source
80678 0.5 06 Mar 2010 04:49 4.6M, 3.1km N/A 3.4 million (in 100km) 03:39 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 San Jose (population 1,218,925) . The nearest places are San José, and Guadalupe.

Radius Population
100 km 3.5 million people
75 km 3.2 million people
50 km 2.7 million people
20 km 1.8 million people
10 km 1.2 million people
5 km 430000 people
2 km 59000 people

Affected Provinces

Country Region Province Population
Costa Rica San Jose 1.2 million people
Costa Rica Heredia 300000 people
Costa Rica Cartago 350000 people
Costa Rica Alajuela 580000 people
Costa Rica Limon 260000 people
Costa Rica Puntarenas 380000 people
Nicaragua Rio San Juan 57000 people
Costa Rica Guanacaste 230000 people

Affected populated places

Name Region Province Country City class Population Distance
Guadalupe San José Costa Rica City 13000 people 3 km
San José San José Costa Rica Capital 330000 people 6 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
Tobias Bolanos International SYQ 994 Civ. Paved No 3200 12 km
Juan Santamaria International SJO 921 Civ. Paved Yes 9800 20 km

Ports

Name LOCODE Country Distance
Quepos (Puerto Quepos) CRXQP Costa Rica 60 km
Caldera CRCAL Costa Rica 75 km

More information

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