M 4.6 in Dominica on 23 Nov 2012 19:54 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: Km
Lat/Lon: 15.3108 , -61.0336
Event Date: 23 Nov 2012 19:54 UTC
23 Nov 2012 15:54 Local
Exposed Population:
490000 people within 100km
Source: NEIC usc000dxfa
Inserted at: 23 Nov 2012 21:00 UTC

GDACS Score

For more info on GDACS alert score click here.
  Earthquake GDACS score
NEIC 0.5 0.5
usc000dxfa 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
121030 0.5 23 Nov 2012 19:54 4.6M, 134.3km N/A 490 thousand (in 100km) 01:06 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 Dominica , of Dominica (population 70,671) . The nearest places are La Plaine, Castle Bruce, Dubuc, Pont Cassé, Scotts Head, Roseau, Marigot, Baroui, Basse-Pointe, Portsmouth, and Fort-de-France.

Radius Population
100 km 500000 people
75 km 220000 people
50 km 65000 people
20 km no people
10 km no people
5 km no people
2 km no people

Affected Provinces

Region Province Country Population
Dominica Dominica 71000 people

Affected populated places

Name Region Province Country City class Population Distance
La Plaine Saint Patrick Dominica Village 1300 people 24 km
Castle Bruce Saint David Dominica Village 1400 people 28 km
Dubuc Saint Patrick Dominica Village - 31 km
Pont Cassé Saint Paul Dominica Village <1000 people 35 km
Scotts Head Dominica Village - 37 km
Roseau Saint George Dominica Capital 17000 people 38 km
Marigot Saint Andrew Dominica Village 2600 people 41 km
Baroui Saint Joseph Dominica Village - 47 km
Basse-Pointe Martinique Village 4000 people 52 km
Portsmouth Saint John Dominica Village 3600 people 54 km
Léro Martinique Village - 64 km
Sainte Pierre Martinique Village - 65 km
La Médaille Martinique Village - 68 km
Capesterre Guadeloupe Village - 68 km
Fort-de-France Martinique Capital 89000 people 79 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
Dominica Cane DCF unknown 0 39 km
Canefield 4 Civ. Paved No 2500 39 km
Melville Hall DOM 24 Civ. Paved Yes 4800 39 km
Marie Galante GBJ 5 Civ. Paved Yes 4000 67 km
Le Lamentin FDF 5 Civ. Paved Yes 10800 80 km
Terre de Haut LSS unknown 0 85 km
Terre-de-Bas HTB unknown 0 88 km

Ports

Name LOCODE Country Distance
Roseau DMRSU Dominica 39 km
Portsmouth DMPOR Dominica 55 km
La Trinite Martinique 63 km
Saint Pierre Martinique 64 km
Grand Bourg Guadeloupe 71 km
Le Robert Martinique 72 km
Saint Louis Guadeloupe 77 km
Fort de France MQFDF Martinique 79 km
Bourg Des Saintes Guadeloupe 85 km
Le Marin Martinique 96 km

Dams

Reservoir Dam Name River Year Distance
Saint Pierre la Manzo Manche 1978 80 km

More information

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