Overall Green Earthquake alert in Japan on 08 Dec 2016 10:58 UTC

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M 4.6 in Japan on 08 Dec 2016 10:58 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:	4.6M
Depth:	12.13 Km
Lat/Lon:	43.556 , 140.7381
Event Date:	08 Dec 2016 10:58 UTC 08 Dec 2016 19:58 Local
Exposed Population:	2126420 people within 100km
Source:	NEIC us20007z4u
Inserted at:	08 Dec 2016 22:01 UTC

GDACS Score

For more info on GDACS alert score click here.

	Earthquake		GDACS score
NEIC	0		0
us20007z4u	Scaled population (vector)	n.a
	C1 earthquake	n.a
	C2 earthquake	n.a
	Country Vulnerability	n.a
	INFORM_normalised	n.a

Maximum expected impact using different data sources.

Episode Timeline

ID	Alert	Score	Date	Mag, Depth	MMI*	Population**	Tsunami risk***	Delay (hh:mm)	Source
1149760		0	08 Dec 2016 10:58	4.6M, 12.13km	N/A	2.1 million (in 100km)		11:02	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 Hokkaido (population 5,808,054) . The nearest places are Furuhira, Shinchi, Notsuka, Furubira, Doronoki, Yoichi, Kurokawacho, Onenai, Otaru, Oe, and Sapporo.

Radius	Population
100 km	2.7 million people
75 km	1.3 million people
50 km	140000 people
20 km	no people
10 km	no people
5 km	no people
2 km	no people

Affected Provinces

Region Province	Country	Population
Hokkaido	Japan	5.8 million people
Tohoku	Japan	10 million people
Sakhalinskaya oblast'	Russian Federation	730000 people
Primorskiy kray	Russian Federation	-
Khabarovskiy kray	Russian Federation	-

Affected populated places

Name	Region Province	Country	City class	Population	Distance
Furuhira	Hokkaido	Japan	Village	-	31 km
Shinchi	Hokkaido	Japan	Village	-	32 km
Notsuka	Hokkaido	Japan	Village	-	33 km
Furubira	Hokkaido	Japan	Village	-	34 km
Doronoki	Hokkaido	Japan	Village	-	38 km
Yoichi	Hokkaido	Japan	Village	23000 people	40 km
Kurokawacho	Hokkaido	Japan	Village	-	42 km
Onenai	Hokkaido	Japan	Village	-	42 km
Otaru	Hokkaido	Japan	City	140000 people	46 km
Oe	Hokkaido	Japan	Village	-	47 km
Kawashimo	Hokkaido	Japan	Village	-	51 km
Sannai	Hokkaido	Japan	Village	-	51 km
Kamoenai	Hokkaido	Japan	Village	-	53 km
Ofuyu	Hokkaido	Japan	Village	-	53 km
Akaigawa	Hokkaido	Japan	Village	-	53 km
Gokibiri	Hokkaido	Japan	Village	-	54 km
Tokiwa	Hokkaido	Japan	Village	-	55 km
Tomari	Hokkaido	Japan	Village	-	57 km
Kuzure	Hokkaido	Japan	Village	-	57 km
Zenibako	Hokkaido	Japan	Village	-	58 km
Atsuta	Hokkaido	Japan	Village	-	59 km
Ishikari	Hokkaido	Japan	Village	57000 people	61 km
Bannaguro	Hokkaido	Japan	Village	-	64 km
Kotoni	Hokkaido	Japan	Village	-	64 km
Dorogawa	Hokkaido	Japan	Village	-	64 km
Kosawa	Hokkaido	Japan	Village	-	64 km
Iwanai	Hokkaido	Japan	City	15000 people	67 km
Mashike	Hokkaido	Japan	Village	-	68 km
Motoyama	Hokkaido	Japan	Village	-	68 km
Nibangawa	Hokkaido	Japan	Village	-	70 km
Sapporo	Hokkaido	Japan	Major city	1.9 million people	74 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
Sapporo	OKD	8	Civ.	Paved	Yes	4500	71 km

Ports

Name	LOCODE	Country	Distance
Yoichi		Japan	37 km
Otaru	JPOTR	Japan	45 km
Hamamasu		Japan	53 km
Iwanai	JPIWN	Japan	66 km
Mashike		Japan	72 km
Wakkanai		Japan	78 km
Rumoi	JPRMI	Japan	85 km
Suttsu		Japan	94 km

Dams

Reservoir	Dam Name	River	Year	Distance
Aoyamachosuichi	Aoyama	Tobetsugawa	1963	70 km
Sapporoko	Jozankei	Otarunaigawa	1989	72 km
Tsukigata	Tsukigata	Subetsugawa	1973	76 km
Wakkachosuichi	Wakka	Makinosawagawa	1923	78 km
Jozanko	Hoheikyo	Toyohiragawa	1972	79 km
Rukuchosuichi	Shintotsukawa	Rukushubetsugawa	1961	80 km
Etaibetsu	Etaibetsu	Etaibetsugawa	1966	82 km
Sappinaichosuichi	Sappinai	Sappinaigawa	1926	82 km
Eniwako	Izarigawa	Izarigawa	1980	98 km

Nuclear plants

Name	Country	Reactors	Distance
TOMARI	JAPAN	2	61 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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