Overall Green Earthquake alert in United States on 11 Jul 2017 09:30 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 4.5 in United States on 11 Jul 2017 09:30 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:	4.5M
Depth:	17.1 Km
Lat/Lon:	60.389 , -147.3735
Event Date:	11 Jul 2017 09:30 UTC 11 Jul 2017 01:30 Local
Exposed Population:	Few people within 100km
Source:	ALASKA EC ak16327545
Inserted at:	11 Jul 2017 09:38 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
ak16327545	Scaled population (vector)	0
	C1 earthquake	1
	C2 earthquake	0
	Country Vulnerability	0
	INFORM_normalised	1

Maximum expected impact using different data sources.

Episode Timeline

ID	Alert	Score	Date	Mag, Depth	MMI*	Population**	Tsunami risk***	Delay (hh:mm)	Source
1173407		0	11 Jul 2017 09:30	4.5M, 7.8km	N/A	Few people (in 100km)		00:05	ALASKA EC
1173408		0	11 Jul 2017 09:30	4.5M, 17.1km	N/A	Few people (in 100km)		00:07	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 Nuchek, Chenega, Port Nellie Juan, Latouche, Crab Bay, Port Ashton, San Juan Cannery, Tatitlek, and Ellamar.

Radius	Population
100 km	<1000 people
75 km	<1000 people
50 km	no 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
Nuchek	Alaska	United States	Village	-	39 km
Chenega	Alaska	United States	Village	<1000 people	47 km
Port Nellie Juan	Alaska	United States	Village	-	48 km
Latouche	Alaska	United States	Village	-	50 km
Crab Bay	Alaska	United States	Village	-	53 km
Port Ashton	Alaska	United States	Village	-	55 km
San Juan Cannery	Alaska	United States	Village	-	56 km
Tatitlek	Alaska	United States	Village	<1000 people	63 km
Ellamar	Alaska	United States	Village	-	65 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)	Distance
Port Oceanic	PRL	unknown	35 km
Johnstone Point		5	42 km
Perry Island	PYL	unknown	45 km
Chenega Bay		22	51 km
Falls Bay Spb	FLJ	unknown	55 km
Ellamar	ELW	8	64 km

Ports

Name	LOCODE	Country	Distance
Crab Bay		Wake Island	52 km

More information

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

Disclaimer
While we try everything to ensure accuracy, this information is purely indicative and should not be used for any decision making without alternate sources of information.
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