Overall Green Earthquake alert in Iceland on 24 Feb 2021 10:05 UTC

GDACS is a cooperation framework between the United Nations, the European Commission and disaster managers worldwide to improve alerts, information exchange and coordination in the first phase after major sudden-onset disasters.

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:	63.8623 , -22.3579
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 10:28 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)	2.61
	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

ID	Score	Date	Mag, Depth	MMI*	Population**	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 1,469) . The alertlevel for this event is GREEN

Intensity	Population
	<1000 people
	3500 people
	11000 people
	77000 people

Shakemaps Timeline

Shake id #	Score	episodeid	Lat/Lon	Magnitude	Depth	Max MMI	Date 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

Region Province	Country	Population
Reykjavik	Iceland	2000 people
Reykjavik	Iceland	9200 people
Reykjavik	Iceland	43000 people
Sudhurland	Iceland	<1000 people
Reykjavik	Iceland	160000 people
Sudhurland	Iceland	8000 people
Vesturland	Iceland	<1000 people

Affected populated places. Areas of interest

Name	Country	City class	Population	Distance
Grindavík	Iceland	Village	2200 people	5 km
Vogar	Iceland	Village	<1000 people	13 km
Njardhvikur	Iceland	Village	-	16 km
Kálfatjörn	Iceland	Village	-	17 km
Hafnir	Iceland	Village	<1000 people	18 km
Keflavík	Iceland	City	7700 people	19 km
Straumsvik	Iceland	Village	-	20 km
Býjarsker	Iceland	Village	-	26 km
Hafnarfjord	Iceland	City	-	31 km
Strandakirkja	Iceland	Village	-	33 km
Kópavogur	Iceland	Village	25000 people	35 km
Reykjavík	Iceland	Capital	110000 people	38 km
Gufunes	Iceland	Village	-	44 km
Mosfellsbær	Iceland	Village	-	47 km
Porklakshofn	Iceland	Village	-	47 km
Brautarholt	Iceland	Village	-	49 km
Eyrarbakki	Iceland	Village	<1000 people	59 km
Stokkseyri	Iceland	Village	<1000 people	64 km
Selfoss	Iceland	Village	5400 people	67 km
AEdharvatn	Iceland	Village	-	74 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
Keflavik International	KEF	52	Civ.	Paved	Yes	10000	18 km
Reykjavik Domestic	RKV	14	Civ.	Paved	Yes	5700	36 km
Selfoss		20				0	65 km

Ports

Name	LOCODE	Country	Distance
Keflavik-Njarovik	ISKEV	Iceland	18 km
Straumsvik	ISSTR	Iceland	25 km
Hafnarfjordur	ISHAF	Iceland	30 km
Skerjafjordur	ISKJF	Iceland	36 km
Reykjavik	ISREY	Iceland	38 km
Hvalfjordur		Iceland	48 km
Eyrarbakki		Iceland	59 km
Stokkseyri		Iceland	64 km

More information

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

Disclaimer
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