Overall Green Earthquake alert in United States on 31 Jan 2015 20:47 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 in United States on 31 Jan 2015 20:47 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:	5.0M
Depth:	21.92 Km
Lat/Lon:	56.6085 , -169.0805
Event Date:	31 Jan 2015 20:47 UTC 31 Jan 2015 11:47 Local
Exposed Population:	About 791 people within 100km
Source:	NEIC
Inserted at:	31 Jan 2015 21:09 UTC

GDACS Score

For more info on GDACS alert score click here.

	Earthquake		GDACS score
NEIC	0		0
	Scaled population (vector)	n.a
	C1 earthquake	n.a
	C2 earthquake	n.a
	Country Vulnerability	n.a
	INFORM_normalised	n.a

Maximum expected impact using different data sources.

Episode Timeline

ID	Date	Mag, Depth	MMI*	Population**	Delay (hh:mm)	Source
1070758	31 Jan 2015 20:47	5.2M, 1km	N/A	Few people (in 100km)	00:05	NEIC
1070759	31 Jan 2015 20:47	5.2M, 1km	N/A	Few people (in 100km)	00:08	USGS
1070761	31 Jan 2015 20:47	4.7M, 16.1km	N/A	No people affected (in 100km)	00:11	NEIC
1070763	31 Jan 2015 20:47	5M, 21.92km	N/A	Few people (in 100km)	00:21	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 United States , State of Alaska (population 572,432) .

Radius	Population
100 km	<1000 people
75 km	<1000 people
50 km	<1000 people
20 km	no people
10 km	no people
5 km	no people
2 km	no people

Affected Provinces

Region Province	Country	Population
Alaska	United States	570000 people

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
St George		38					36 km
St Paul Island	SNP	19	Civ.	Unpaved	Yes	6500	93 km

Ports

Name	Country	Distance
Saint George's Island	Wake Island	36 km
Village Cove	Wake Island	93 km
Saint Paul Island	Wake Island	98 km

More information

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

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