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:	63.9602 , -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.

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 , Independent Town of Reykjavik (population 157,415) . The nearest places are Vogar, Kálfatjörn, Straumsvik, Grindavík, Keflavík, Njardhvikur, Hafnarfjord, Hafnir, Býjarsker, Kópavogur, and Hvanneyri.

Radius	Population
100 km	270000 people
75 km	260000 people
50 km	250000 people
20 km	37000 people
10 km	1200 people
5 km	<1000 people
2 km	no people

Affected Provinces

Region Province	Country	Population
Reykjavik	Iceland	160000 people
Sudhurland	Iceland	23000 people

Affected populated places

Name	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
Hafnarfjord	Iceland	City	-	20 km
Hafnir	Iceland	Village	<1000 people	21 km
Býjarsker	Iceland	Village	-	23 km
Kópavogur	Iceland	Village	25000 people	25 km
Reykjavík	Iceland	Capital	110000 people	27 km
Strandakirkja	Iceland	Village	-	32 km
Gufunes	Iceland	Village	-	33 km
Mosfellsbær	Iceland	Village	-	36 km
Brautarholt	Iceland	Village	-	38 km
Saurbær	Iceland	Village	-	41 km
Akranes	Iceland	Village	5600 people	42 km
Porklakshofn	Iceland	Village	-	44 km
Innrihólmur	Iceland	Village	-	48 km
Melar	Iceland	Village	-	50 km
Hveragerði	Iceland	Village	1800 people	53 km
Eyrarbakki	Iceland	Village	<1000 people	56 km
Leirá	Iceland	Village	-	57 km
Reynivellir	Iceland	Village	-	58 km
Álftanes	Iceland	Village	-	58 km
Hofn	Iceland	Village	-	58 km
Stokkseyri	Iceland	Village	<1000 people	61 km
Úlfljótsvatn	Iceland	Village	-	62 km
Saurbaer	Iceland	Village	-	62 km
Selfoss	Iceland	Village	5400 people	62 km
AEdharvatn	Iceland	Village	-	63 km
Miðsandur	Iceland	Village	-	63 km
Thingvellir	Iceland	Village	-	64 km
Geitaberg	Iceland	Village	-	65 km
Borgarnes	Iceland	Village	1800 people	66 km
Hvanneyri	Iceland	Village	<1000 people	69 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	16 km
Reykjavik Domestic	RKV	14	Civ.	Paved	Yes	5700	25 km
Borgarfjordur Eystri	BGJ	unknown				0	58 km
Selfoss		20				0	61 km

Ports

Name	LOCODE	Country	Distance
Keflavik-Njarovik	ISKEV	Iceland	14 km
Straumsvik	ISSTR	Iceland	14 km
Hafnarfjordur	ISHAF	Iceland	20 km
Skerjafjordur	ISKJF	Iceland	25 km
Reykjavik	ISREY	Iceland	27 km
Hvalfjordur		Iceland	37 km
Akranes	ISAKR	Iceland	42 km
Eyrarbakki		Iceland	56 km
Stokkseyri		Iceland	61 km
Borgarnes	ISBOR	Iceland	66 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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