M 4.8 in Antigua and Barbuda on 17 Apr 2017 06:25 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: 4.8M
Depth: 18.38 Km
Lat/Lon: 17.4583 , -61.0896
Event Date: 17 Apr 2017 06:25 UTC
17 Apr 2017 02:25 Local
Exposed Population:
About 90000 people within 100km
Source: NEIC us10008ib1
Inserted at: 17 Apr 2017 06:45 UTC
INFORM Coping capacity of the alert score
3.6 (Antigua & Barbuda)

GDACS Score

For more info on GDACS alert score click here.
  Earthquake GDACS score
NEIC 0 0
us10008ib1 Scaled population (vector) 0  
  C1 earthquake 1  
  C2 earthquake 0  
  Country Vulnerability 0  
  INFORM_normalised 1  
Maximum expected impact using different data sources.

Episode Timeline

IDAlertScoreDateMag, DepthMMI*Population**Tsunami risk***Delay (hh:mm)Source
1164263 0 17 Apr 2017 06:25 4.8M, 18.38km N/A 90 thousand (in 100km) 00:19 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 Antigua and Barbuda , of Antigua & Barbuda (population 65,212) . The nearest places are and Saint John's.

Radius Population
100 km 90000 people
75 km no 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
Antigua & Barbuda Antigua and Barbuda 65000 people
Guadeloupe Guadeloupe 410000 people
Montserrat Montserrat -
St. Kitts & Nevis Saint Kitts and Nevis 41000 people
Dominica Dominica 71000 people
Anguilla Anguilla 9200 people
Martinique Martinique 370000 people
British Virgin Is. Virgin Islands, British 18000 people
Virgin Is. Virgin Islands, U.S. 100000 people
St. Lucia Saint Lucia 140000 people
St. Vincent & the Grenadines Saint Vincent and the Grenadines 110000 people
Humacao Puerto Rico -
Barbados Barbados 260000 people

Affected populated places

Name Region Province Country City class Population Distance
Saint John's Antigua and Barbuda Capital 22000 people 89 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
Barbuda Codrington BBQ unknown 0 75 km
V C Bird International ANU 19 Civ. Paved Yes 9000 83 km

Ports

Name LOCODE Country Distance
Parham Harbour Antigua and Barbuda 82 km
Barbuda AGBBQ Antigua and Barbuda 83 km
Saint Johns AGSJO Antigua and Barbuda 90 km

More information

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