M 4.7 in Costa Rica on 17 Nov 2012 04:35 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: 4.7M
Depth: 172 Km
Lat/Lon: 10.8291 , -84.894
Event Date: 17 Nov 2012 04:35 UTC
16 Nov 2012 22:35 Local
Exposed Population:
870000 people within 100km
Source: NEIC usc000du3n
Inserted at: 17 Nov 2012 04:53 UTC

GDACS Score

For more info on GDACS alert score click here.
  Earthquake GDACS score
NEIC 0.5 0.5
usc000du3n 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
120939 0.5 17 Nov 2012 04:35 4.7M, 172km N/A 870 thousand (in 100km) 00:17 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 Alajuela (population 578,124) . The nearest places are San José, and Los Angeles.

Radius Population
100 km 880000 people
75 km 400000 people
50 km 180000 people
20 km 20000 people
10 km 3600 people
5 km <1000 people
2 km <1000 people

Affected Provinces

Region Province Country Population
Alajuela Costa Rica 580000 people
Rio San Juan Nicaragua 57000 people

Affected populated places

Name Region Province Country City class Population Distance
Los Angeles Alajuela Costa Rica Village - 4 km
San José San José Costa Rica Capital 330000 people 134 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
Upala UPL 56 15 km
Los Chiles LSL 35 Civ. Paved No 4200 31 km
San Carlos NCR 50 36 km

Ports

Name LOCODE Country Distance
Puntarenas CRPAS Costa Rica 96 km

Dams

Reservoir Dam Name River Year Distance
Arenal Arenal Arenal 1978 42 km

More information

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