Overall Green Earthquake alert in Japan on 22 Oct 2015 16:18 UTC

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M 4.8 in Japan on 22 Oct 2015 16:18 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:	4.8M
Depth:	44.09 Km
Lat/Lon:	39.3527 , 141.9782
Event Date:	22 Oct 2015 16:18 UTC 23 Oct 2015 01:18 Local
Exposed Population:	1403032 people within 100km
Source:	NEIC
Inserted at:	22 Oct 2015 18:33 UTC

GDACS Score

For more info on GDACS alert score click here.

	Earthquake		GDACS score
NEIC	0.1		0.1
	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
1103137		0.1	22 Oct 2015 16:18	4.8M, 44.09km	N/A	1.4 million (in 100km)		02:14	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 Tohoku (population 9,984,608) . The nearest places are Anto, Kirikiri, Hakozaki, Funakoshi, Ryoishi, Koyatori, Unozumai, Otsuchi, Kamaishi, Oura, and Morioka.

Radius	Population
100 km	880000 people
75 km	320000 people
50 km	190000 people
20 km	58000 people
10 km	13000 people
5 km	1100 people
2 km	<1000 people

Affected Provinces

Region Province	Country	Population
Tohoku	Japan	10 million people

Affected populated places

Name	Region Province	Country	City class	Population	Distance
Anto	Iwate	Japan	Village	-	3 km
Kirikiri	Iwate	Japan	Village	-	4 km
Hakozaki	Iwate	Japan	Village	-	7 km
Funakoshi	Iwate	Japan	Village	-	8 km
Ryoishi	Iwate	Japan	Village	-	8 km
Koyatori	Iwate	Japan	Village	-	9 km
Unozumai	Iwate	Japan	Village	-	9 km
Otsuchi	Iwate	Japan	Village	16000 people	11 km
Kamaishi	Iwate	Japan	City	42000 people	12 km
Oura	Iwate	Japan	Village	-	13 km
Sukuiso	Iwate	Japan	Village	-	13 km
Fudaba	Iwate	Japan	Village	-	13 km
Yamada	Iwate	Japan	Village	20000 people	13 km
Shirahama	Iwate	Japan	Village	-	14 km
Osawa	Iwate	Japan	Village	-	14 km
Heida	Iwate	Japan	Village	-	15 km
Kami-Heida	Iwate	Japan	Village	-	15 km
Shimo-Yashiki	Iwate	Japan	Village	-	15 km
Hinata	Iwate	Japan	Village	-	18 km
Kozawa	Iwate	Japan	Village	-	18 km
Hashino	Iwate	Japan	Village	-	18 km
Sawa	Iwate	Japan	Village	-	18 km
Unata	Iwate	Japan	Village	-	19 km
Yokouchi	Iwate	Japan	Village	-	19 km
Kojirahama	Iwate	Japan	Village	-	19 km
Hongo	Iwate	Japan	Village	-	20 km
Dogahana	Iwate	Japan	Village	-	21 km
Oishi	Iwate	Japan	Village	-	21 km
Ishihama	Iwate	Japan	Village	-	21 km
Sekizawa	Iwate	Japan	Village	-	21 km
Nakagawara	Iwate	Japan	Village	-	22 km
Ohashi	Iwate	Japan	Village	-	24 km
Tsugaruishi	Iwate	Japan	Village	-	24 km
Niita	Iwate	Japan	Village	-	25 km
Tozawa	Iwate	Japan	Village	-	25 km
Akamae	Iwate	Japan	Village	-	26 km
Omoe	Iwate	Japan	Village	-	28 km
Sakihama	Iwate	Japan	Village	-	29 km
Okkirai	Iwate	Japan	Village	-	30 km
Urahama	Iwate	Japan	Village	-	30 km
Sasasawa	Iwate	Japan	Village	-	31 km
Neichi	Iwate	Japan	Village	-	31 km
Roki	Iwate	Japan	Village	-	31 km
Oku-Tsuchikura	Iwate	Japan	Village	-	31 km
Kutsukake	Iwate	Japan	Village	-	31 km
Tatamiishi	Iwate	Japan	Village	-	32 km
Miyako	Iwate	Japan	City	51000 people	32 km
Shimo-Horei	Iwate	Japan	Village	-	33 km
Sekine	Iwate	Japan	Village	-	33 km
Akasawa	Iwate	Japan	Village	-	33 km
Wano	Iwate	Japan	Village	-	33 km
Hikime	Iwate	Japan	Village	-	33 km
Nakasone	Iwate	Japan	Village	-	33 km
Moichi	Iwate	Japan	Village	-	33 km
Haratai	Iwate	Japan	Village	-	33 km
Koishihama	Iwate	Japan	Village	-	34 km
Akabane	Iwate	Japan	Village	-	34 km
Obatake	Iwate	Japan	Village	-	36 km
Sakiyama	Iwate	Japan	Village	-	36 km
Horoiwa	Iwate	Japan	Village	-	36 km
Ota	Iwate	Japan	Village	-	36 km
Okubo	Iwate	Japan	Village	-	36 km
Sakikuwagasaki	Iwate	Japan	Village	-	36 km
Komaki	Iwate	Japan	Village	-	36 km
Tsunagi	Iwate	Japan	Village	-	37 km
Nonomae	Iwate	Japan	Village	-	37 km
Nakasato	Iwate	Japan	Village	-	37 km
Shiraiwa	Iwate	Japan	Village	-	37 km
Yokamachi	Iwate	Japan	Village	-	38 km
Sakari	Iwate	Japan	Village	-	38 km
Ryori	Iwate	Japan	Village	-	38 km
Tono	Iwate	Japan	Village	27000 people	39 km
Kariya	Iwate	Japan	Village	-	39 km
Tsuchibuchi	Iwate	Japan	Village	-	39 km
Ofunato	Iwate	Japan	Village	37000 people	39 km
Attari	Iwate	Japan	Village	-	40 km
Ohata	Iwate	Japan	Village	-	40 km
Ko-Tashiro	Iwate	Japan	Village	-	41 km
Shimo-Funato	Iwate	Japan	Village	-	42 km
Nagasaki	Iwate	Japan	Village	-	42 km
Joyanagi	Iwate	Japan	Village	-	42 km
Taro	Iwate	Japan	Village	-	42 km
Setamai	Iwate	Japan	Village	-	42 km
Katasu	Iwate	Japan	Village	-	43 km
Oide	Iwate	Japan	Village	-	43 km
Wainai	Iwate	Japan	Village	-	43 km
Tsuchimuro	Iwate	Japan	Village	-	44 km
Misazaki	Iwate	Japan	Village	-	44 km
Kawaguchi	Iwate	Japan	Village	-	44 km
Hosaura	Iwate	Japan	Village	-	44 km
Hirazasa	Iwate	Japan	Village	-	44 km
Shimo-Ayaori	Iwate	Japan	Village	-	45 km
Takatoriya	Iwate	Japan	Village	-	45 km
Sukinosawa	Iwate	Japan	Village	-	46 km
Aonotaki	Iwate	Japan	Village	-	46 km
Yamaya	Iwate	Japan	Village	-	47 km
Kogakuchi	Iwate	Japan	Village	-	47 km
Tsubonosawa	Iwate	Japan	Village	-	47 km
Kawauchi	Iwate	Japan	Village	-	47 km
Wakinosawa	Iwate	Japan	Village	-	48 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
Hanamaki	HNA	91	Civ.	Paved	Yes	6500	73 km

Ports

Name	LOCODE	Country	Distance
Kamaishi	JPKIS	Japan	12 km
Yamada		Japan	12 km
Miyako	JPMYK	Japan	32 km
Ofunato	JPOFT	Japan	40 km
Kesennuma Ko		Japan	63 km
Fudai		Japan	71 km

Dams

Reservoir	Dam Name	River	Year	Distance
Taseko	Tase	Sarugaishigawa	1954	57 km
Gandoko	Gando	Tandogawa	1960	74 km
Sotoyama	Sotoyama	Sotoyamagawa	1943	76 km
Tsunatori	Tsunatori	Nagatsugawa	1982	78 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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