Overall Green Earthquake alert in United States on 19 Oct 2017 05:35 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 4.8 in United States on 19 Oct 2017 05:35 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:	4.8M
Depth:	99.4 Km
Lat/Lon:	59.7942 , -153.1016
Event Date:	19 Oct 2017 05:35 UTC 18 Oct 2017 21:35 Local
Exposed Population:	About 12000 people within 100km
Source:	ALASKA EC ak17082078
Inserted at:	19 Oct 2017 05:56 UTC
INFORM Coping capacity of the alert score	2.2 (United States)

GDACS Score

For more info on GDACS alert score click here.

	Earthquake		GDACS score
ALASKA EC	0		0
ak17082078	Scaled population (vector)	3.23
	C1 earthquake	1
	C2 earthquake	0
	Country Vulnerability	0
	INFORM_normalised	0.65

Maximum expected impact using different data sources.

Episode Timeline

ID	Date	Mag, Depth	MMI*	Population**	Delay (hh:mm)	Source
1184448	19 Oct 2017 05:35	4.5M, 103.5km	N/A	10 thousand (in 100km)	00:04	ALASKA EC
1184449	19 Oct 2017 05:35	4.7M, 109km	N/A	10 thousand (in 100km)	00:07	ALASKA EC
1184451	19 Oct 2017 05:35	4.8M, 105.2km	N/A	10 thousand (in 100km)	00:10	ALASKA EC
1184454	19 Oct 2017 05:35	4.8M, 99.4km	N/A	10 thousand (in 100km)	00:20	ALASKA EC
1184455	19 Oct 2017 05:35	4.6M, 100.6km	N/A	10 thousand (in 100km)	00:33	ALASKA EC

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) . The nearest places are Iniskin, Williamsport, Pile Bay Village, and Pedro Bay.

Radius	Population
100 km	13000 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

Affected populated places

Name	Region Province	Country	City class	Population	Distance
Iniskin	Alaska	United States	Village	-	10 km
Williamsport	Alaska	United States	Village	-	33 km
Pile Bay Village	Alaska	United States	Village	-	45 km
Pedro Bay	Alaska	United States	Village	<1000 people	57 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
Camp Point		2				0	3 km
Pedro Bay	PDB	14				0	57 km
Anchor River Airpark		37				0	70 km
Port Alsworth	PTA	85				0	81 km
English Bay	KEB	8				0	84 km
Port Graham	PGM	28				0	88 km
Ninilchik	NIN	84				0	88 km
Seldovia	SOV	9				0	88 km
Homer	HOM	24	Civ.	Paved	Yes	7400	93 km
Dog Fish Bay		3				0	94 km
Kasitsna		2				0	94 km
Oyster Cove		14				0	97 km
Nondalton	NNL	94				0	99 km

Ports

Name	LOCODE	Country	Distance
Snug Harbor		Wake Island	45 km
Ninilchik		Wake Island	84 km
Seldovia		Wake Island	88 km
Port Graham		Wake Island	89 km
Homer	USHOI	Wake Island	98 km
Drift River		Wake Island	99 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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