M 4.5 in Costa Rica on 21 Nov 2015 23:58 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: 4.5M
Depth: 15.54 Km
Lat/Lon: 8.9708 , -83.7973
Event Date: 21 Nov 2015 23:58 UTC
21 Nov 2015 17:58 Local
Exposed Population:
569384 people within 100km
Source: NEIC
Inserted at: 22 Nov 2015 00:24 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
1107881 0 21 Nov 2015 23:58 4.5M, 15.54km N/A 570 thousand (in 100km) 00:25 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 384,746) . The nearest places are San Jos�, Chacara, Pinuela, and Ballena.

Radius Population
100 km 570000 people
75 km 240000 people
50 km 150000 people
20 km <1000 people
10 km no people
5 km no people
2 km no people

Affected Provinces

Region Province Country Population
Puntarenas Costa Rica 380000 people

Affected populated places

Name Region Province Country City class Population Distance
Pinuela Puntarenas Costa Rica Village - 19 km
Ballena Puntarenas Costa Rica Village - 19 km
Chacara Puntarenas Costa Rica Village - 20 km
San Jos� San Jos� Costa Rica Capital 330000 people 110 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
Nuevo Palmar Sur 5 33 km
Palmar Sur PMZ 15 Civ. Paved No 4500 37 km

Ports

Name LOCODE Country Distance
Dominical Costa Rica 31 km
Quepos (Puerto Quepos) CRXQP Costa Rica 65 km
Puerto Jimenez Costa Rica 69 km

Dams

Reservoir Dam Name River Year Distance
Cachi Reventazon 1966 96 km

More information

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