Overall Green Earthquake alert in Canada on 17 Sep 2023 11:28 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 5.6 in Canada on 17 Sep 2023 11:28 UTC

Hazard models

Rapid Impact

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:	5.6M
Depth:	10 Km
Lat/Lon:	50.7956 , -130.2988
Event Date:	17 Sep 2023 11:28 UTC 17 Sep 2023 02:28 Local
Exposed Population:
Source:	NEIC us7000kwaz
Inserted at:	17 Sep 2023 12:01 UTC
INFORM Coping capacity of the alert score:	1.1 (Canada)

GDACS Score

For more info on GDACS alert score click here.

	Earthquake (Shakemap)		GDACS score
NEIC	0		0
us7000kwaz	Scaled population (raster)	0
	C1 shakemap	0
	C2 shakemap	0
	Country Vulnerability	0
	INFORM_normalised	0

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
1525832	17 Sep 2023 11:28	5.8M, 12km	6.53	No people affected (in 100km)	00:05	NTWC
1525835	17 Sep 2023 11:28	5.5M, 10km	3.19	N/A (in MMI>=VII)	00:21	NEIC
1525836	17 Sep 2023 11:28	5.6M, 10km	3.06	N/A (in MMI>=VII)	00:33	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 Canada ,of British Columbia (population 3,415,527) . 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	1525835	-130.3/50.794	5.5	10	3.452	17 Sep 2023 11:52	00:24	(new episode)
2	1525836	-130.299/50.796	5.6	10	3.55	17 Sep 2023 12:04	00:36	(new episode)
3	1525836	-130.299/50.796	5.6	10	3.458	17 Sep 2023 12:22	00:54	(upd of #2)
4	1525836	-130.299/50.796	5.6	10	3.458	17 Sep 2023 13:33	02:05	(upd of #3)
5	1525836	-130.299/50.796	5.6	10	3.458	18 Sep 2023 12:40	1d 01:12	(upd of #4)
6	1525836	-130.334/50.808	5.5	10	3.359	30 Sep 2023 23:52	13d 12:24	(upd of #5)

Affected Provinces

Intensity	Region Province	Country	Population
	British Columbia	Canada	no people
	British Columbia	Canada	<1000 people

Affected populated places. Areas of interest

Intensity	Name	Region Province	Country	City class	Population	Distance

see full list

Critical infrastructure

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

Airports

Intensity	Name	IATA Code	Elevation (m)	Usage	Runway type	IFR	Runway Length (ft)	Distance
	Cape St. James	YCJ	unknown				0	137 km

Ports

Intensity	Name	LOCODE	Country	Distance
	Scott Island		Canada	118 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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