M 6.3 in Cayman Islands on 28 Jan 2020 21:55 UTC

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: 6.3M
Depth: 21 Km
Lat/Lon: 19.002 , -80.764
Event Date: 28 Jan 2020 21:55 UTC
28 Jan 2020 16:55 Local
Exposed Population: About 54000 people within 100km
Source: NTWC at00q4u7k4
Inserted at: 28 Jan 2020 22:02 UTC

GDACS Score

For more info on GDACS alert score click here.
  Earthquake Tsunami GDACS score
NTWC 0 0 0
at00q4u7k4 Scaled population (vector) 4.4 Max wave alert 0m  
  C1 earthquake 1 Max wave realtime 0m  
  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
1293059 0 28 Jan 2020 21:55 6.3M, 21km N/A 50 thousand (in 100km) 0m (at 00:00) 00:06 NTWC
1293061 0.1 28 Jan 2020 21:55 6.5M, 10km N/A 50 thousand (in 100km) 0m (at 00:00) 00:07 PTWC
1293063 0 28 Jan 2020 21:55 6.1M, 10km 4.9 N/A (in MMI>=VII) 02:05 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 Cayman Islands , of Cayman Is. (population 31,777) . The nearest places are Gun Bay, Breakers, Bodden Town, Brinkleys, and George Town.

Radius Population
100 km 55000 people
75 km 44000 people
50 km 1300 people
20 km no people
10 km no people
5 km no people
2 km no people

Affected Provinces

Region Province Country Population
Cayman Is. Cayman Islands 32000 people
Westmoreland Jamaica 130000 people
Hanover Jamaica 68000 people
Saint James Jamaica 160000 people
Sancti Spiritus Cuba 450000 people
Saint Elizabeth Jamaica 150000 people
Cienfuegos Cuba 380000 people
Trelawny Jamaica 73000 people
Camaguey Cuba 780000 people
Granma Cuba 830000 people
Villa Clara Cuba 840000 people
Matanzas Cuba 640000 people
Isla de la Juventud Cuba 78000 people
Manchester Jamaica 170000 people
Ciego de Avila Cuba 390000 people
Saint Ann Jamaica 150000 people
Clarendon Jamaica 220000 people
Las Tunas Cuba 520000 people
Saint Catherine Jamaica 370000 people
Saint Mary Jamaica 110000 people
Santiago de Cuba Cuba 1 million people
La Habana Cuba 680000 people
Saint Andrew Jamaica 550000 people
Kingston Jamaica 100000 people
Portland Jamaica 78000 people
Pinar del Rio Cuba 730000 people
Saint Thomas Jamaica 86000 people
Holguin Cuba 1 million people
Ciudad de la Habana Cuba 2.2 million people
Gracias a Dios Honduras 42000 people

Affected populated places

Name Region Province Country City class Population Distance
Gun Bay Cayman Islands Village - 50 km
Breakers Cayman Islands Village - 56 km
Bodden Town Cayman Islands Village 6400 people 61 km
Brinkleys Cayman Islands Village - 61 km
George Town Cayman Islands Capital 29000 people 73 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
Owen Roberts International GCM 2 Civ. Paved Yes 7000 70 km

Ports

Name LOCODE Country Distance
Georgetown KYGGT Cayman Islands 72 km
Georgetown, Grand Cayman KYGGT Cayman Islands 72 km

More information

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