M 5.5 in Iceland on 20 Oct 2020 13:43 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: 5.5M
Depth: 10 Km
Lat/Lon: 64.0186 , -22.1232
Event Date: 20 Oct 2020 13:43 UTC
20 Oct 2020 13:43 Local
Exposed Population: Less then 100 people in MMI VIII
260000 people within 100km
Source: NEIC us6000ca0k
Inserted at: 21 Oct 2020 13:48 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 0
us6000ca0k Scaled population (raster) 0.6  
  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
1338712 0.3 20 Oct 2020 13:43 5.6M, 10km 7.79 698 (in MMI>=VII) 00:18 NEIC
1338720 0 20 Oct 2020 13:43 5.5M, 10km 6.81 160 (in MMI>=VII) 1d 00:05 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 Iceland ,of Reykjavik (population 21) . The alertlevel for this event is GREEN

Intensity Population
<1000 people
<1000 people
52000 people


Shakemaps Timeline

AlertShake id #ScoreepisodeidLat/LonMagnitudeDepthMax MMIDate shake (UTC)Delay (hh:mm) 
1 0.3 1338712 64.011/-22.148 5.6 10.0 7.786 20 Oct 2020 14:06 00:23 (new episode)
2 0 1338720 64.02/-22.116 5.6 10.0 7.075 20 Oct 2020 15:04 01:21 (new episode)
3 0 1338720 64.02/-22.116 5.6 10.0 6.874 20 Oct 2020 15:48 02:05 (upd of #2)
4 0 1338720 64.02/-22.116 5.6 10.0 6.814 21 Oct 2020 13:48 1d 00:05 (upd of #3)

Affected Provinces

Intensity Region Province Country Population
Reykjavik Iceland <1000 people
Reykjavik Iceland <1000 people
Reykjavik Iceland 32000 people
Reykjavik Iceland 150000 people
Sudhurland Iceland <1000 people

Affected populated places. Areas of interest

Intensity Name Region Province Country City class Population Distance
Straumsvik Iceland Village - 1 km
Kálfatjörn Iceland Village - 8 km
Hafnarfjord Iceland City - 10 km
Vogar Iceland Village <1000 people 13 km
Kópavogur Iceland Village 25000 people 15 km
Reykjavík Iceland Capital 110000 people 17 km
Keflavík Iceland City 7700 people 22 km
Njardhvikur Iceland Village - 24 km
Grindavík Iceland Village 2200 people 25 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
Reykjavik Domestic RKV 14 Civ. Paved Yes 5700 15 km
Keflavik International KEF 52 Civ. Paved Yes 10000 24 km

Ports

Intensity Name LOCODE Country Distance
Straumsvik ISSTR Iceland 5 km
Hafnarfjordur ISHAF Iceland 10 km
Skerjafjordur ISKJF Iceland 15 km
Keflavik-Njarovik ISKEV Iceland 21 km

More information

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