Overall Green Earthquake alert in Fox Islands, Aleutian Islands on 21 Nov 2022 15:09 UTC

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:	5.5M
Depth:	19.404 Km
Lat/Lon:	52.3403 , -168.1985
Event Date:	21 Nov 2022 15:09 UTC 21 Nov 2022 04:09 Local
Exposed Population:	Few people affected in MMI -
Source:	NEIC us7000irbb
Inserted at:	21 Nov 2022 17:22 UTC
INFORM Coping capacity of the alert score:	1.1 ()

GDACS Score

For more info on GDACS alert score click here.

	Earthquake (Shakemap)		GDACS score
NEIC	0		0
us7000irbb	Scaled population (raster)	0
	C1 shakemap	-0.59
	C2 shakemap	0.53
	Country Vulnerability	0
	INFORM_normalised	1

Maximum expected impact using different data sources.

ShakeMap is a product of the USGS Earthquake Hazards Program in conjunction with the regional seismic networks. ShakeMaps provide near-real-time maps of ground motion and shaking intensity following significant earthquakes.

Episode Timeline

ID	Date	Mag, Depth	MMI*	Population**	Delay (hh:mm)	Source
1474408	21 Nov 2022 15:09	5.4M, 17km	3.08	N/A (in MMI>=VII)	00:05	NTWC
1474413	21 Nov 2022 15:09	5M, 25.2km	3.13	N/A (in MMI>=VII)	00:15	ALASKA EC
1474414	21 Nov 2022 15:09	5.5M, 13.412km	3.55	Few people (in 100km)	00:21	NEIC
1474415	21 Nov 2022 15:09	5.5M, 1km	3.33	N/A (in MMI>=VII)	00:21	ALASKA EC
1474416	21 Nov 2022 15:09	5.5M, 21.526km	3.47	N/A (in MMI>=VII)	00:26	NEIC
1474433	21 Nov 2022 15:09	5.5M, 19.404km	3.41	N/A (in MMI>=VII)	02:13	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 unknowed a zone. The alertlevel for this event is GREEN

Intensity	Population
	no people

Shakemaps Timeline

Shake id #	episodeid	Lat/Lon	Magnitude	Depth	Max MMI	Date shake (UTC)	Delay (hh:mm)
1	1474415	52.523/-168.294	5.0	24.5	3.08	21 Nov 2022 15:18	00:08	(new episode)
2	1474416	52.379/-168.222	5.5	13.4	3.408	21 Nov 2022 15:36	00:26	(new episode)
3	1474416	52.358/-168.199	5.5	21.5	3.47	21 Nov 2022 15:45	00:35	(upd of #2)
4	1474433	52.358/-168.199	5.5	21.5	3.47	21 Nov 2022 17:16	02:07	(new episode)
5	1474433	52.34/-168.198	5.5	19.4	3.451	21 Nov 2022 17:28	02:19	(upd of #4)
6	1474433	52.354/-168.207	5.5	13.9	3.399	21 Nov 2022 21:49	06:40	(upd of #5)
7	1474433	52.354/-168.207	5.5	13.9	3.399	22 Nov 2022 15:40	1d 00:30	(upd of #6)
8	1474433	-168.19/52.334	5.5	16.1	3.41	29 Nov 2022 00:50	7d 09:41	(upd of #7)

Affected Provinces

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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