M 5.6 in Iceland on 24 Feb 2021 10:05 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: 5.6M
Depth: 10 Km
Lat/Lon: 63.9602 , -22.2736
Event Date: 24 Feb 2021 10:05 UTC
24 Feb 2021 10:05 Local
Exposed Population: Less then 100 people in MMI VIII
260000 people within 100km
Source: NEIC us6000dkmk
Inserted at: 24 Feb 2021 15:07 UTC
INFORM Coping capacity of the alert score: 1.9 (Iceland)

GDACS Score

For more info on GDACS alert score click here.
  Earthquake
(Shakemap)		 GDACS score
NEIC 0.4 0.4
us6000dkmk Scaled population (raster) 2.57  
  C1 shakemap -0.59  
  C2 shakemap 0.53  
  Country Vulnerability 0  
  INFORM_normalised 0.62  
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
1360337 0.4 24 Feb 2021 10:05 5.6M, 10km 7.84 4 thousand (in MMI>=VII) 00:22 NEIC
1360344 0.4 24 Feb 2021 10:05 4.5M, 10km N/A 270 thousand (in 100km) 00:35 NEIC
1360411 0.4 24 Feb 2021 10:05 5.6M, 10km 8.09 1 thousand (in MMI>=VII) 05:01 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 Iceland ,of Reykjavik (population 11) . The alertlevel for this event is GREEN

Intensity Population
<1000 people
<1000 people
1500 people
43000 people


Shakemaps Timeline

AlertShake id #ScoreepisodeidLat/LonMagnitudeDepthMax MMIDate shake (UTC)Delay (hh:mm) 
1 0.4 1360337 63.862/-22.358 5.6 10.0 7.84 24 Feb 2021 10:32 00:26 (new episode)
2 0.7 1360411 63.862/-22.358 5.6 10.0 7.563 24 Feb 2021 15:07 05:01 (new episode)
3 0 1360411 63.96/-22.274 5.6 10.0 7.219 24 Feb 2021 15:12 05:06 (upd of #2)
4 0.4 1360411 63.96/-22.274 5.6 10.0 8.088 25 Feb 2021 10:11 1d 00:05 (upd of #3)

Affected Provinces

Intensity Region Province Country Population
Reykjavik Iceland <1000 people
Reykjavik Iceland <1000 people
Reykjavik Iceland 1700 people
Reykjavik Iceland 26000 people
Sudhurland Iceland <1000 people
Reykjavik Iceland 23000 people
Sudhurland Iceland <1000 people

Affected populated places. Areas of interest

Intensity Name Region Province Country City class Population Distance
Vogar Iceland Village <1000 people 5 km
Kálfatjörn Iceland Village - 6 km
Straumsvik Iceland Village - 9 km
Grindavík Iceland Village 2200 people 15 km
Keflavík Iceland City 7700 people 16 km
Njardhvikur Iceland Village - 16 km
Hafnir Iceland Village <1000 people 21 km
Býjarsker Iceland Village - 23 km
Hafnarfjord Iceland City - 20 km
Strandakirkja Iceland Village - 32 km
Porklakshofn Iceland Village - 44 km
Eyrarbakki Iceland Village <1000 people 56 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
Keflavik International KEF 52 Civ. Paved Yes 10000 16 km

Ports

Intensity Name LOCODE Country Distance
Keflavik-Njarovik ISKEV Iceland 14 km
Straumsvik ISSTR Iceland 14 km
Hafnarfjordur ISHAF Iceland 20 km

More information

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