Overall Green Earthquake alert in United States on 04 Aug 2020 08:52 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 04 Aug 2020 08:52 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:	4.5 Km
Lat/Lon:	64.1117 , -151.8237
Event Date:	04 Aug 2020 08:52 UTC 04 Aug 2020 00:52 Local
Exposed Population:	Few people within 100km
Source:	ALASKA EC ak0209z0oy4i
Inserted at:	04 Aug 2020 09:23 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
ak0209z0oy4i	Scaled population (vector)	0.99
	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
1324832	04 Aug 2020 08:52	4.5M, 8.2km	N/A	Few people (in 100km)	00:28	NEIC
1324833	04 Aug 2020 08:52	4.5M, 4.5km	N/A	Few people (in 100km)	00:31	ALASKA EC
1324835	04 Aug 2020 08:52	4.3M, 10.1km	5.41	N/A (in MMI>=VII)	00:59	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 Minchumina Lake, Lake Minchumina, and Glacier.

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

Affected populated places

Name	Region Province	Country	City class	Population	Distance
Minchumina Lake	Alaska	United States	Village	-	31 km
Lake Minchumina	Alaska	United States	Village	<1000 people	35 km
Glacier	Alaska	United States	Village	-	59 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
Minchumina	MHM	208	Civ.	Unpaved	Yes	4200	35 km
Kantishna		480				0	76 km
Stampede		564				0	84 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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