Overall Green Earthquake alert in Japan from 10 Nov 2021 15:45 UTC to 15:45

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 6.6 in Japan from 10 Nov 2021 15:45 UTC to 15:45

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:	6.6M
Depth:	10 Km
Lat/Lon:	23.7 , 126.4
Event Date:	10 Nov 2021 15:45 UTC 10 Nov 2021 23:45 Local
Exposed Population:	No people affected in 100km
Source:	NTWC at00r2d3bo
Inserted at:	10 Nov 2021 16:02 UTC
INFORM Coping capacity of the alert score	1.1 (Japan)

GDACS Score

For more info on GDACS alert score click here.

	Earthquake		Tsunami		GDACS score
NTWC	0		0.3		0.3
at00r2d3bo	Scaled population (vector)	0	Max wave alert	0.31m
	C1 earthquake	1	Max wave realtime	0.31m
	C2 earthquake	0
	Country Vulnerability	0
	INFORM_normalised	1

Maximum expected impact using different data sources.

Episode Timeline

ID	Score	Date	Mag, Depth	MMI*	Population**	Tsunami risk***	Delay (hh:mm)	Source
1408110	0.2	10 Nov 2021 15:45	6.6M, 10km	N/A	No people affected (in 100km)	0.2m (at 00:24)	00:14	PTWC
1408111	0.3	10 Nov 2021 15:45	6.6M, 10km	N/A	No people affected (in 100km)	0.3m (at 00:22)	00:17	NTWC
1408112	0.3	10 Nov 2021 15:45	6.6M, 10km	4.08	N/A (in MMI>=VII)	0.3m (at 00:23)	00:20	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 Japan , Region of Okinawa (population 1,242,315) .

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
Okinawa	Japan	1.2 million people
Taiwan	China	22.5 million 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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