M 4.2 in British Virgin Is. on 28 Dec 2007 18:18 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.

Updated: this report is based on episode 1.

Earthquake Magnitude: 4.2M
Depth: 39 Km
Lat/Lon: 19.219 , -64.627
Event Date: 28 Dec 2007 18:18 UTC
28 Dec 2007 14:18 Local
Exposed Population:
about 24000 people within 100km
Source: NEIC
Inserted at: 28 Dec 2007 19:38 UTC

GDACS Score

For more info on GDACS alert score click here.
  Earthquake GDACS score
NEIC 0.5 0.5
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
33214 0.5 28 Dec 2007 18:18 4.2M, 39km N/A 20 thousand (in 100km) 01:19 NEIC
33215 0.5 28 Dec 2007 18:18 4.6M, 53.1km N/A 80 thousand (in 100km) 01:35 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 Virgin Islands, British , of British Virgin Is. (population 18,194) . The nearest places are The Settlement, and Road Town.

Radius Population
100 km 42000 people
75 km <1000 people
50 km no people
20 km no people
10 km no people
5 km no people
2 km no people

Affected Provinces

Region Province Country Population
British Virgin Is. Virgin Islands, British 18000 people
Virgin Is. Virgin Islands, U.S. 100000 people
Humacao Puerto Rico -
Bayamon Puerto Rico -
San Juan Puerto Rico -
Guayama Puerto Rico -
Arecibo Puerto Rico -
Anguilla Anguilla 9200 people
Ponce Puerto Rico -
Aguadilla Puerto Rico -
Mayag?ez Puerto Rico -
St. Kitts & Nevis Saint Kitts and Nevis 41000 people
Antigua & Barbuda Antigua and Barbuda 65000 people
Montserrat Montserrat -
La Altagracia Dominican Republic 120000 people
El Seibo Dominican Republic 76000 people
Guadeloupe Guadeloupe 410000 people
La Romana Dominican Republic 180000 people
San Pedro de Macor¡s Dominican Republic 210000 people

Affected populated places

Name Region Province Country City class Population Distance
The Settlement British Virgin Islands Village - 63 km
Road Town British Virgin Islands Capital 8300 people 86 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
Anegada NGD unknown 0 62 km
North Sound Virgin Gorda NSX unknown 0 84 km
Beef Island EIS 5 Civ. Paved Yes 3600 85 km
Virgin Gorda VIJ 4 Civ. Unpaved No 3100 87 km
St. John SJF unknown 0 98 km
Cruz Bay unknown 0 98 km

Ports

Name LOCODE Country Distance
Anegada Island British Virgin Islands 59 km
Virgin Gorda Island British Virgin Islands 85 km
Road Harbour & Port Purcell British Virgin Islands 88 km
Cruz Bay Virgin Islands 99 km

More information

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