Overall Green Earthquake alert in Japan on 31 Dec 2018 14:10 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 5.1 in Japan on 31 Dec 2018 14:10 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:	5.1M
Depth:	43.26 Km
Lat/Lon:	37.4856 , 141.4451
Event Date:	31 Dec 2018 14:10 UTC 31 Dec 2018 23:10 Local
Exposed Population:	2380000 people within 100km
Source:	NEIC us2000izfu
Inserted at:	31 Dec 2018 17:17 UTC
INFORM Coping capacity of the alert score	1.5 (Japan)

GDACS Score

For more info on GDACS alert score click here.

	Earthquake		GDACS score
NEIC	0		0
us2000izfu	Scaled population (vector)	5.69
	C1 earthquake	0.73
	C2 earthquake	-0.22
	Country Vulnerability	-0.71
	INFORM_normalised	0.57

Maximum expected impact using different data sources.

Episode Timeline

ID	Alert	Score	Date	Mag, Depth	MMI*	Population**	Tsunami risk***	Delay (hh:mm)	Source
1243277		0	31 Dec 2018 14:10	5M, 42.79km	N/A	2.3 million (in 100km)		00:24	NEIC
1243301		0	31 Dec 2018 14:10	5.1M, 43.26km	N/A	2.4 million (in 100km)		03:06	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 Kiyohashi, Futaba, Onaba, Oragahama, Namie, Odaka, Onoda, Kayahama, Tomioka, Bogoya, and Sendai.

Radius	Population
100 km	2.4 million people
75 km	370000 people
50 km	66000 people
20 km	no people
10 km	no people
5 km	no people
2 km	no people

Affected Provinces

Region Province	Country	Population
Tohoku	Japan	10 million people
Kanto	Japan	38.5 million people
Chubu	Japan	5.2 million people
Hokkaido	Japan	5.8 million people
Kinki	Japan	22.2 million people

Affected populated places

Name	Region Province	Country	City class	Population	Distance
Kiyohashi	Fukushima	Japan	Village	-	38 km
Futaba	Fukushima	Japan	Village	-	38 km
Onaba	Fukushima	Japan	Village	-	39 km
Oragahama	Fukushima	Japan	Village	-	39 km
Namie	Fukushima	Japan	Village	22000 people	40 km
Odaka	Fukushima	Japan	Village	-	41 km
Onoda	Fukushima	Japan	Village	-	41 km
Kayahama	Fukushima	Japan	Village	-	41 km
Tomioka	Fukushima	Japan	Village	-	42 km
Bogoya	Fukushima	Japan	Village	-	42 km
Kariyado	Fukushima	Japan	Village	-	43 km
Okuma	Fukushima	Japan	Village	-	44 km
Takatsudo	Fukushima	Japan	Village	-	44 km
Takahira	Fukushima	Japan	Village	-	44 km
Ogawara	Fukushima	Japan	Village	-	44 km
Kami-Shigeoka	Fukushima	Japan	Village	-	44 km
Nakanouchi	Fukushima	Japan	Village	-	45 km
Ide	Fukushima	Japan	Village	-	45 km
Minami-Ibi	Fukushima	Japan	Village	-	45 km
Naraha	Fukushima	Japan	Village	-	46 km
Haramachi	Fukushima	Japan	Village	47000 people	47 km
Kashima	Fukushima	Japan	Village	-	48 km
Sekimori	Fukushima	Japan	Village	-	48 km
Shimo-Kitabo	Fukushima	Japan	Village	-	49 km
Kita-Nagano	Fukushima	Japan	Village	-	49 km
Tetsuzan	Fukushima	Japan	Village	-	50 km
Kami-Asamigawa	Fukushima	Japan	Village	-	50 km
Gomaisawa	Fukushima	Japan	Village	-	51 km
Isobe	Fukushima	Japan	Village	-	51 km
Koyamada	Fukushima	Japan	Village	-	51 km
Hirusone	Fukushima	Japan	Village	-	52 km
Kodeya	Fukushima	Japan	Village	-	52 km
Otojiro	Fukushima	Japan	Village	-	54 km
Umekawa	Fukushima	Japan	Village	-	54 km
Tachiya	Fukushima	Japan	Village	-	54 km
Oyama	Fukushima	Japan	Village	-	54 km
Shajigami	Fukushima	Japan	Village	-	54 km
Hokidaira	Fukushima	Japan	Village	-	54 km
Suketsune	Fukushima	Japan	Village	-	55 km
Arayashik	Fukushima	Japan	Village	-	55 km
Yotsukura	Fukushima	Japan	Village	-	55 km
Jikenjo	Fukushima	Japan	Village	-	55 km
Ohana	Fukushima	Japan	Village	-	55 km
Kunugidaira	Fukushima	Japan	Village	-	56 km
Kashiwabara	Fukushima	Japan	Village	-	56 km
Odashiro	Fukushima	Japan	Village	-	56 km
Shimo-Kawauchi	Fukushima	Japan	Village	-	56 km
Haragama	Fukushima	Japan	Village	-	57 km
Nakumura	Fukushima	Japan	Village	-	57 km
Okubo	Fukushima	Japan	Village	-	58 km
Uzugawa	Fukushima	Japan	Village	-	58 km
Furumichi	Fukushima	Japan	Village	-	58 km
Dozan	Fukushima	Japan	Village	-	59 km
Kami-Kawauchi	Fukushima	Japan	Village	-	59 km
Hiso	Fukushima	Japan	Village	-	59 km
Sakashiuchi	Fukushima	Japan	Village	-	59 km
Ochiai	Fukushima	Japan	Village	-	60 km
Kuroki	Fukushima	Japan	Village	-	60 km
Komagamine	Fukushima	Japan	Village	-	61 km
Shimo-Tsushima	Fukushima	Japan	Village	-	61 km
Otsubo	Fukushima	Japan	Village	-	61 km
Omori	Fukushima	Japan	Village	-	62 km
Takadaiima	Fukushima	Japan	Village	-	62 km
Ashimata	Fukushima	Japan	Village	-	62 km
Komiya	Fukushima	Japan	Village	-	62 km
Iwaisawa	Fukushima	Japan	Village	-	62 km
Tsunagi	Fukushima	Japan	Village	-	62 km
Tsurishi	Fukushima	Japan	Village	-	62 km
Nagadoro	Fukushima	Japan	Village	-	63 km
Nakayama	Fukushima	Japan	Village	-	63 km
Sugaya	Fukushima	Japan	Village	-	64 km
Eda	Fukushima	Japan	Village	-	64 km
Aratame	Fukushima	Japan	Village	-	65 km
Shidamyo	Fukushima	Japan	Village	-	65 km
Iso	Miyagi	Japan	Village	-	65 km
Kusano	Fukushima	Japan	Village	-	65 km
Mishima	Fukushima	Japan	Village	-	66 km
Takahagi	Fukushima	Japan	Village	-	66 km
Yokomichi	Fukushima	Japan	Village	-	66 km
Sakamoto	Miyagi	Japan	Village	-	67 km
Shimo-Takaku	Fukushima	Japan	Village	-	67 km
Yanagiwatado	Fukushima	Japan	Village	-	67 km
Taira	Fukushima	Japan	City	-	67 km
Iitoi	Fukushima	Japan	Village	-	68 km
Ojiro	Fukushima	Japan	Village	-	68 km
Yoshima	Fukushima	Japan	Village	-	68 km
Doyaba	Fukushima	Japan	Village	-	68 km
Ouchi	Miyagi	Japan	Village	-	69 km
Toyoma	Fukushima	Japan	Village	-	69 km
Tonyamae	Fukushima	Japan	Village	-	69 km
Kawamae	Fukushima	Japan	Village	-	69 km
Unejiri	Fukushima	Japan	Village	-	69 km
Usuishi	Fukushima	Japan	Village	-	70 km
Kami-Okeuri	Fukushima	Japan	Village	-	70 km
Sendai	Miyagi	Japan	Major city	1 million people	98 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
Sendai	SDJ	5	Civ.	Paved	Yes	9800	86 km
Fukushima	FKS	372	Civ.	Paved	Yes	8200	95 km
Kasuminome		5				0	95 km

Ports

Name	LOCODE	Country	Distance
Soma	JPSMA	Japan	57 km
Onahama	JPONA	Japan	77 km
Shiogama	JPSGM	Japan	100 km

Dams

Reservoir	Dam Name	River	Year	Distance
Sakashita	Sakashita	Okawaragawa	1973	46 km
Yokokawa	Yokokawa	Otagawa	1983	49 km
Ogaki	Ogaki	Ukedogawa	1985	50 km
Takanokura	Takanokura	Mizunashigawa	1975	52 km
Tamanotameike	Tamano	Udagawa	1945	70 km
Takashibako	Takashiba	Samekawa	1961	86 km
Bobatako	Sengozawa	Kitasugawa	1974	91 km
Shitokiko	Shitoki	Shitokigawa	1983	91 km
Tarumizuko	Tarumizu	Masudagawa	1976	93 km
			1991	98 km
Mizunuma	Mizunuma	Hanazonokawa	1966	98 km

Nuclear plants

Name	Country	Reactors	Distance
FUKUSHIMA-DAIICHI	JAPAN	6	37 km
FUKUSHIMA-DAINI	JAPAN	4	41 km

More information

For a full list of available products related to this event, please refer to the GDACS Resources page.

Disclaimer
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