Overall Green Earthquake alert in Japan on 26 May 2018 14:01 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 4.7 in Japan on 26 May 2018 14:01 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:	4.7M
Depth:	51.7 Km
Lat/Lon:	37.871 , 141.7245
Event Date:	26 May 2018 14:01 UTC 26 May 2018 23:01 Local
Exposed Population:	1950000 people within 100km
Source:	NEIC us1000ecq2
Inserted at:	26 May 2018 19:00 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
us1000ecq2	Scaled population (vector)	5.43
	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
1212082		0	26 May 2018 14:01	4.7M, 51.7km	N/A	2 million (in 100km)		04:58	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 Futawatashi, Aji, Oshika, Ikenohama, Ayukawahama, Niiyama, Kukunari, Oharahama, Kobuchi, Nitoda, and Sendai.

Radius	Population
100 km	1.9 million people
75 km	180000 people
50 km	<1000 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

Affected populated places

Name	Region Province	Country	City class	Population	Distance
Futawatashi	Miyagi	Japan	Village	-	47 km
Aji	Miyagi	Japan	Village	-	49 km
Oshika	Miyagi	Japan	Village	-	50 km
Ikenohama	Miyagi	Japan	Village	-	50 km
Ayukawahama	Miyagi	Japan	Village	-	51 km
Niiyama	Miyagi	Japan	Village	-	53 km
Kukunari	Miyagi	Japan	Village	-	53 km
Oharahama	Miyagi	Japan	Village	-	54 km
Kobuchi	Miyagi	Japan	Village	-	55 km
Nitoda	Miyagi	Japan	Village	-	55 km
Odomari	Miyagi	Japan	Village	-	55 km
Tomari	Miyagi	Japan	Village	-	57 km
Koamikura	Miyagi	Japan	Village	-	58 km
Fukkiura	Miyagi	Japan	Village	-	59 km
Yagawa	Miyagi	Japan	Village	-	59 km
Kitsunezaki	Miyagi	Japan	Village	-	59 km
Takenohama	Miyagi	Japan	Village	-	60 km
Yoriiso	Miyagi	Japan	Village	-	60 km
Samenoura	Miyagi	Japan	Village	-	60 km
Kotake	Miyagi	Japan	Village	-	65 km
Minami-Ibi	Fukushima	Japan	Village	-	65 km
Terama	Miyagi	Japan	Village	-	65 km
Isobe	Fukushima	Japan	Village	-	66 km
Haragama	Fukushima	Japan	Village	-	67 km
Umekawa	Fukushima	Japan	Village	-	67 km
Onagawahama	Miyagi	Japan	Village	-	68 km
Izushima	Miyagi	Japan	Village	-	68 km
Kayahama	Fukushima	Japan	Village	-	68 km
Watanoha	Miyagi	Japan	Village	-	69 km
Takahira	Fukushima	Japan	Village	-	69 km
Tsurishi	Fukushima	Japan	Village	-	69 km
Ommaehama	Miyagi	Japan	Village	-	70 km
Tachiya	Fukushima	Japan	Village	-	70 km
Kashima	Fukushima	Japan	Village	-	70 km
Sendai	Miyagi	Japan	Major city	1 million people	85 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
Matsushima		2	Civ.	Paved	Yes	8800	74 km
Sendai	SDJ	5	Civ.	Paved	Yes	9800	77 km
Kasuminome		5				0	80 km

Ports

Name	LOCODE	Country	Distance
Soma	JPSMA	Japan	67 km
Onagawa	JPONG	Japan	68 km
Ishinomaki	JPISM	Japan	70 km
Shiogama	JPSGM	Japan	79 km

Dams

Reservoir	Dam Name	River	Year	Distance
Yokokawa	Yokokawa	Otagawa	1983	78 km
Takanokura	Takanokura	Mizunashigawa	1975	78 km
Ogaki	Ogaki	Ukedogawa	1985	84 km
Tarumizuko	Tarumizu	Masudagawa	1976	85 km
Tamanotameike	Tamano	Udagawa	1945	87 km
Sakashita	Sakashita	Okawaragawa	1973	88 km
Kamafusako	Kamafusa	Goishigawa	1970	97 km

Nuclear plants

Name	Country	Reactors	Distance
ONAGAWA	JAPAN	3	62 km
FUKUSHIMA-DAIICHI	JAPAN	6	79 km
FUKUSHIMA-DAINI	JAPAN	4	87 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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