Overall Green Earthquake alert in United States from 24 Sep 2021 07:02 UTC to 07:02

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 5.1 in United States from 24 Sep 2021 07:02 UTC to 07:02

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:	5.1M
Depth:	6.7 Km
Lat/Lon:	51.0574 , -179.057
Event Date:	24 Sep 2021 07:02 UTC 23 Sep 2021 22:02 Local
Exposed Population:	No people affected in 100km
Source:	ALASKA EC ak021c9oo6tx
Inserted at:	24 Sep 2021 07:18 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
ak021c9oo6tx	Scaled population (raster)	0
	C1 earthquake	1
	C2 earthquake	0
	Country Vulnerability	0
	INFORM_normalised	1

Maximum expected impact using different data sources.

Episode Timeline

ID	Date	Mag, Depth	MMI*	Population**	Delay (hh:mm)	Source
1398398	24 Sep 2021 07:02	5.1M, 6.7km	4.05	No people affected (in 100km)	00:15	ALASKA EC
1398399	24 Sep 2021 07:02	5.5M, 37.99km	4.03	No people affected (in 100km)	00:19	NEIC
1398403	24 Sep 2021 07:02	5.5M, 27.61km	4.42	No people affected (in 100km)	00:54	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	no people
75 km	no 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

Critical infrastructure

Airports, ports, nuclear plants and hydrodams at risk, if affected, are listed below.

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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