M 4.8 in Trinidad and Tobago on 20 Mar 2017 19:01 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: 38.34 Km
Lat/Lon: 11.1448 , -60.8018
Event Date: 20 Mar 2017 19:01 UTC
20 Mar 2017 15:01 Local
Exposed Population:
660000 people within 100km
Source: NEIC us20008tct
Inserted at: 21 Mar 2017 00:12 UTC
INFORM Coping capacity of the alert score
3.6 (Trinidad & Tobago)

GDACS Score

For more info on GDACS alert score click here.
  Earthquake GDACS score
NEIC 0.1 0.1
us20008tct 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
1161241 0 20 Mar 2017 19:01 4.7M, 43.31km N/A 660 thousand (in 100km) 03:55 NEIC
1161248 0.1 20 Mar 2017 19:01 4.8M, 38.34km N/A 660 thousand (in 100km) 05:10 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 Trinidad and Tobago , of Trinidad & Tobago (population 1,272,385) . The nearest places are Mount Pleasant, Scarborough, Castara, Belle Garden, Speyside, Redhead, Grande Riviere, Rampanalgas, Matelot, Salibea, and Port-of-Spain.

Radius Population
100 km 660000 people
75 km 100000 people
50 km 59000 people
20 km 49000 people
10 km 43000 people
5 km 21000 people
2 km 2600 people

Affected Provinces

Region Province Country Population
Trinidad & Tobago Trinidad and Tobago 1.3 million people

Affected populated places

Name Region Province Country City class Population Distance
Mount Pleasant Tobago Trinidad and Tobago Village - 3 km
Scarborough Tobago Trinidad and Tobago City 4600 people 5 km
Castara Tobago Trinidad and Tobago Village - 16 km
Belle Garden Tobago Trinidad and Tobago Village - 20 km
Speyside Tobago Trinidad and Tobago Village - 30 km
Redhead Saint David Trinidad and Tobago Village - 45 km
Grande Riviere Trinidad and Tobago Village - 47 km
Rampanalgas Trinidad and Tobago Village - 52 km
Matelot Saint David Trinidad and Tobago Village - 54 km
Salibea Saint Andrew Trinidad and Tobago Village - 58 km
Cumaca Saint Andrew Trinidad and Tobago Village - 65 km
Port-of-Spain Trinidad and Tobago Capital 52000 people 95 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
Tobago Crown Point TAB 8 Civ. Paved Yes 9000 6 km
Waller 37 0 77 km
Piarco POS 17 Civ. Paved Yes 10500 88 km

Ports

Name LOCODE Country Distance
Scarborough Trinidad and Tobago 5 km
Crown Point Trinidad and Tobago 7 km

More information

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