M 6.1 in Cayman Islands on 28 Jan 2020 21:55 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: 6.1M
Depth: 10 Km
Lat/Lon: 18.9457 , -80.7142
Event Date: 28 Jan 2020 21:55 UTC
28 Jan 2020 16:55 Local
Exposed Population: About 4000 people in MMI
About 54000 people within 100km
Source: NEIC us60007iig
Inserted at: 29 Jan 2020 00:00 UTC

GDACS Score

For more info on GDACS alert score click here.
  Earthquake
(Shakemap)		 GDACS score
NEIC 0 0
us60007iig Scaled population (raster) 0  
  C1 shakemap -0.59  
  C2 shakemap 0.53  
  Country Vulnerability 0  
  INFORM_normalised 1  
Maximum expected impact using different data sources.

ShakeMap is a product of the USGS Earthquake Hazards Program in conjunction with the regional seismic networks. ShakeMaps provide near-real-time maps of ground motion and shaking intensity following significant earthquakes.


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 49) . The alertlevel for this event is GREEN

Intensity Population
4000 people


Shakemaps Timeline

AlertShake id #ScoreepisodeidLat/LonMagnitudeDepthMax MMIDate shake (UTC)Delay (hh:mm) 
1 0 1293063 18.946/-80.714 6.1 10.0 4.633 28 Jan 2020 22:19 00:24 (new episode)
2 0 1293063 18.946/-80.714 6.1 10.0 4.762 28 Jan 2020 22:32 00:36 (upd of #1)
3 0 1293063 18.946/-80.714 6.1 10.0 4.931 29 Jan 2020 00:00 02:05 (upd of #2)
4 0 1293063 18.946/-80.714 6.1 10.0 4.905 29 Jan 2020 21:59 1d 00:04 (upd of #3)

Affected Provinces

Intensity Region Province Country Population
Cayman Is. Cayman Islands <1000 people
Cayman Is. Cayman Islands 36000 people

Affected populated places. Areas of interest

Intensity Name Region Province Country City class Population Distance
Gun Bay Cayman Islands Village - 58 km
Breakers Cayman Islands Village - 64 km
Bodden Town Cayman Islands Village 6400 people 69 km
Brinkleys Cayman Islands Village - 69 km
George Town Cayman Islands Capital 29000 people 81 km
Battle Ground Cayman Islands Village - 86 km

see full list


Critical infrastructure

Airports, ports, nuclear plants and hydrodams at risk, if affected, are listed below.

Airports

Intensity Name IATA Code Elevation (m) Usage Runway type IFR Runway Length (ft) Distance
Owen Roberts International GCM 2 Civ. Paved Yes 7000 78 km
Little Cayman LYB unknown 0 103 km
Gerrard Smith CYB 2 Civ. Paved Yes 6000 120 km

Ports

Intensity Name LOCODE Country Distance
Georgetown KYGGT Cayman Islands 79 km
Georgetown, Grand Cayman KYGGT Cayman Islands 79 km
Cayman Brac Cayman Islands 126 km

More information

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