M 4.6 in Costa Rica on 03 Apr 2015 18:42 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: 8.27 Km
Lat/Lon: 9.4907 , -83.808
Event Date: 03 Apr 2015 18:42 UTC
03 Apr 2015 12:42 Local
Exposed Population:
3147250 people within 100km
Source: NEIC
Inserted at: 03 Apr 2015 20:13 UTC

GDACS Score

For more info on GDACS alert score click here.
  Earthquake GDACS score
NEIC 0 0
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
1075525 0 03 Apr 2015 18:42 4.6M, 8.27km N/A 3.1 million (in 100km) 01:30 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 Jos�, �ngeles, and Santo Tom�s.

Radius Population
100 km 3.1 million people
75 km 2.6 million people
50 km 580000 people
20 km 76000 people
10 km 7000 people
5 km 5300 people
2 km <1000 people

Affected Provinces

Region Province Country Population
San Jose Costa Rica 1.2 million people
Cartago Costa Rica 350000 people
Puntarenas Costa Rica 380000 people

Affected populated places

Name Region Province Country City class Population Distance
�ngeles San Jos� Costa Rica Village - 2 km
Santo Tom�s San Jos� Costa Rica Village - 3 km
San Jos� San Jos� Costa Rica Capital 330000 people 57 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 36 km
Buenos Aires BAI 370 Civ. Paved No 3100 63 km
Tobias Bolanos International SYQ 994 Civ. Paved No 3200 63 km

Ports

Name LOCODE Country Distance
Dominical Costa Rica 26 km
Quepos (Puerto Quepos) CRXQP Costa Rica 40 km

Dams

Reservoir Dam Name River Year Distance
Cachi Reventazon 1966 39 km

More information

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