Overall Green Earthquake alert in Japan on 25 Feb 2018 16:28 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 5.6 in Japan on 25 Feb 2018 16:28 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:	5.6M
Depth:	30.77 Km
Lat/Lon:	37.5905 , 141.7455
Event Date:	25 Feb 2018 16:28 UTC 26 Feb 2018 01:28 Local
Exposed Population:	530000 people within 100km
Source:	NEIC us2000d7pu
Inserted at:	25 Feb 2018 17:21 UTC
INFORM Coping capacity of the alert score:	1.5 (Japan)

GDACS Score

For more info on GDACS alert score click here.

	Earthquake (Shakemap)		GDACS score
NEIC	0		0
us2000d7pu	Scaled population (vector)	-8
	C1 shakemap	-0.59
	C2 shakemap	0.53
	Country Vulnerability	0
	INFORM_normalised	0.57

Maximum expected impact using different data sources.

ShakeMap is a product of the USGS Earthquake Hazards Program in conjunction with the regional seismic networks. ShakeMaps provide near-real-time maps of ground motion and shaking intensity following significant earthquakes.

Episode Timeline

ID	Alert	Score	Date	Mag, Depth	MMI*	Population**	Tsunami risk***	Delay (hh:mm)	Source
1200549		0	25 Feb 2018 16:28	5.5M, 41.25km	3.82	N/A (in MMI>=VII)		00:19	NEIC
1200552		0	25 Feb 2018 16:28	5.6M, 30.77km	4	N/A (in MMI>=VII)		00:52	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 ,of Tohoku (population 85,883) . The alertlevel for this event is GREEN

Intensity	Population
	no people
	52000 people

Shakemaps Timeline

Shake id #	episodeid	Lat/Lon	Magnitude	Depth	Max MMI	Date shake (UTC)	Delay (hh:mm)
1	1200549	37.605/141.739	5.5	41.25	3.82	25 Feb 2018 16:50	00:21	(new episode)
2	1200552	37.605/141.739	5.5	41.25	3.82	25 Feb 2018 17:21	00:52	(new episode)
3	1200552	37.59/141.746	5.6	30.77	4	25 Feb 2018 17:23	00:54	(upd of #2)
4	1200552	37.59/141.746	5.6	30.77	4	25 Feb 2018 18:35	02:06	(upd of #3)

Affected Provinces

Region Province	Country	Population
Tohoku	Japan	86000 people
Tohoku	Japan	8.1 million people
Kanto	Japan	26.4 million people

Affected populated places. Areas of interest

Name	Region Province	Country	City class	Population	Distance
Odaka	Fukushima	Japan	Village	-	66 km
Namie	Fukushima	Japan	Village	22000 people	67 km
Kashima	Fukushima	Japan	Village	-	69 km
Tomioka	Fukushima	Japan	Village	-	71 km
Haramachi	Fukushima	Japan	Village	47000 people	71 km
Nakumura	Fukushima	Japan	Village	-	75 km
Aji	Miyagi	Japan	Village	-	77 km
Oshika	Miyagi	Japan	Village	-	79 km
Sakamoto	Miyagi	Japan	Village	-	80 km
Niiyama	Miyagi	Japan	Village	-	81 km
Nitoda	Miyagi	Japan	Village	-	82 km
Oharahama	Miyagi	Japan	Village	-	82 km
Hanagama	Miyagi	Japan	Village	-	83 km
Yotsukura	Fukushima	Japan	Village	-	83 km
Furumichi	Fukushima	Japan	Village	-	86 km
Yamashita	Miyagi	Japan	Village	-	87 km
Arahama	Miyagi	Japan	Village	-	87 km
Yagawa	Miyagi	Japan	Village	-	88 km
Sakashiuchi	Fukushima	Japan	Village	-	88 km
Watari	Miyagi	Japan	Village	36000 people	91 km
Higashi-tamano	Fukushima	Japan	Village	-	91 km
Marumori	Miyagi	Japan	Village	17000 people	93 km
Ido	Miyagi	Japan	Village	-	94 km
Kakuda	Miyagi	Japan	Village	33000 people	94 km
Mishima	Fukushima	Japan	Village	-	94 km
Taira	Fukushima	Japan	City	-	95 km
Onagawahama	Miyagi	Japan	Village	-	96 km
Iinosaka	Miyagi	Japan	Village	-	96 km
Watanoha	Miyagi	Japan	Village	-	96 km
Tokiwa	Fukushima	Japan	Village	-	98 km
Ena	Fukushima	Japan	Village	-	99 km
Ishinomaki	Miyagi	Japan	City	120000 people	99 km
Kawamata	Fukushima	Japan	Village	16000 people	100 km
Shiogama	Miyagi	Japan	City	59000 people	100 km
Kammata	Fukushima	Japan	Village	-	101 km
Kami-ogoe	Fukushima	Japan	Village	-	101 km
Ogawara	Miyagi	Japan	Village	23000 people	102 km
Harimichi	Fukushima	Japan	Village	-	102 km
Takagi	Miyagi	Japan	Village	-	103 km
Ogatsu	Miyagi	Japan	Village	-	103 km
Schiogama	Miyagi	Japan	Village	-	103 km
Yanagawa	Fukushima	Japan	Village	20000 people	104 km
Sendai	Miyagi	Japan	Major city	1 million people	104 km
Takaki	Miyagi	Japan	Village	-	104 km
Ohama	Miyagi	Japan	Village	-	104 km
Funahiki	Fukushima	Japan	Village	-	104 km
Hosokura	Miyagi	Japan	Village	-	104 km
Kamata	Miyagi	Japan	Village	-	105 km
Shinden	Miyagi	Japan	Village	-	105 km
Onahama	Fukushima	Japan	City	-	105 km
Murata	Miyagi	Japan	Village	-	105 km
Shiroishi	Miyagi	Japan	Village	39000 people	106 km
Nagatsura	Miyagi	Japan	Village	-	107 km
Kaita	Fukushima	Japan	Village	-	107 km
Iinogawa	Miyagi	Japan	Village	-	107 km
Hobara	Fukushima	Japan	Village	24000 people	107 km
Nagano	Miyagi	Japan	Village	-	108 km
Kohama	Fukushima	Japan	Village	-	109 km
Shinzeki	Miyagi	Japan	Village	-	109 km
Kami-misaka	Fukushima	Japan	Village	-	109 km
Tsukihama	Miyagi	Japan	Village	-	110 km
Wabuchi	Miyagi	Japan	Village	-	111 km
Hirawata	Miyagi	Japan	Village	-	111 km
Tamokami	Fukushima	Japan	Village	-	112 km
Fukusaima	Fukushima	Japan	City	-	112 km
Otsu	Fukushima	Japan	Village	-	112 km
Miharu	Fukushima	Japan	Village	20000 people	113 km
Oyanagi	Miyagi	Japan	Village	-	113 km
Matsukawa	Fukushima	Japan	Village	-	113 km
Kawasaki	Miyagi	Japan	Village	-	114 km
Nihommatsu	Fukushima	Japan	Village	36000 people	115 km
Shimomachi	Miyagi	Japan	Village	-	115 km
Terahama	Miyagi	Japan	Village	-	115 km
Wakuya	Miyagi	Japan	City	18000 people	116 km
Koori	Fukushima	Japan	Village	-	116 km
Ueda	Fukushima	Japan	City	-	116 km
Kamimachi	Miyagi	Japan	Village	-	117 km
Matsuyama	Miyagi	Japan	Village	-	117 km
Oritate	Miyagi	Japan	Village	-	117 km
Baba	Miyagi	Japan	Village	-	117 km
Yanaizu	Miyagi	Japan	Village	-	118 km
Nenoshiroishi	Miyagi	Japan	Village	-	119 km
Shirasawa	Miyagi	Japan	Village	-	119 km
Takanuki	Fukushima	Japan	Village	-	120 km
Yoshioka	Miyagi	Japan	Village	-	120 km
Koriyama	Fukushima	Japan	City	320000 people	120 km
Tokatta	Miyagi	Japan	Village	-	121 km
Seki	Miyagi	Japan	Village	-	121 km
Shizugawa	Miyagi	Japan	Village	-	121 km
Nishino	Miyagi	Japan	Village	-	122 km
Ishikawa	Fukushima	Japan	Village	18000 people	124 km
Isatomae	Miyagi	Japan	Village	-	125 km
Tajiri	Miyagi	Japan	Village	-	126 km
Minato	Miyagi	Japan	Village	-	127 km
Furukawa	Miyagi	Japan	City	76000 people	127 km
Isohara	Ibaraki	Japan	Village	-	127 km
Maeya	Miyagi	Japan	Village	-	128 km
Sanuma	Miyagi	Japan	City	-	129 km
Araya	Miyagi	Japan	Village	-	130 km
Naka-niida	Miyagi	Japan	Village	-	130 km
Ohata	Ibaraki	Japan	Village	-	132 km
Yunohara	Miyagi	Japan	Village	-	132 km
Takakiyomizu	Miyagi	Japan	Village	-	132 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
Kasuminome		5				0	100 km
Sendai	SDJ	5	Civ.	Paved	Yes	9800	94 km
Matsushima		2	Civ.	Paved	Yes	8800	100 km
Fukushima	FKS	372	Civ.	Paved	Yes	8200	123 km
Ojojibara		70				0	127 km
Junmachi	GAJ	108	Civ.	Paved	Yes	6500	150 km
Otawara		201				0	172 km
Hyakuri		32	Mil.	Paved	Yes	8800	197 km
Utsunomiya	QUT	102	Civ.	Paved	Yes	5500	206 km
Suzumenomiya		82				0	209 km
Hanamaki	HNA	91	Civ.	Paved	Yes	6500	209 km
Shonai	SYO	22	Civ.	Paved	Yes	6500	217 km
		26				0	222 km
Ryugasaki		2				0	230 km
Ryugasaki South		2				0	235 km
Niigata	KIJ	7	Civ.	Paved	Yes	8200	235 km
Tokyo Narita International	NRT	42	Civ.	Paved	Yes	13100	237 km
Chiba-ken		19				0	247 km
Onishi		20				0	252 km
Shimofusa		30	Civ.	Paved	Yes	7300	253 km
Shimo Kolzumi		30				0	255 km
Ippongibara		304				0	257 km
Shimoshizu		30				0	259 km
Honda		12				0	268 km

Ports

Name	LOCODE	Country	Distance
Soma	JPSMA	Japan	73 km
Onagawa	JPONG	Japan	96 km
Ishinomaki	JPISM	Japan	97 km
Shiogama	JPSGM	Japan	101 km
Onahama	JPONA	Japan	104 km
Kesennuma Ko		Japan	141 km
Hitachi	JPHTC	Japan	158 km
Ofunato	JPOFT	Japan	161 km
Kashima	JPKSM	Japan	211 km
Sakata	JPSKT	Japan	221 km
Choshi	JPCHO	Japan	223 km
Niigata-Higashi		Japan	226 km
Aikawa	JPAIK	Japan	238 km
Niigata	JPKIJ	Japan	238 km
Katunan Ko		Japan	266 km
Anegasaki	JPANE	Japan	266 km
Chiba	JPCHB	Japan	266 km
Goi	JPGOI	Japan	273 km
Tokyo	JPTYO	Japan	275 km
Ogasawara	JPOGA	Japan	276 km
Akita	JPAXT	Japan	276 km
Kawasaki	JPKWS	Japan	290 km

Dams

Reservoir	Dam Name	River	Year	Distance
Yokokawa	Yokokawa	Otagawa	1983	74 km
Sakashita	Sakashita	Okawaragawa	1973	75 km
Takanokura	Takanokura	Mizunashigawa	1975	75 km
Ogaki	Ogaki	Ukedogawa	1985	76 km
Tamanotameike	Tamano	Udagawa	1945	90 km
Tarumizuko	Tarumizu	Masudagawa	1976	101 km
Kamafusako	Kamafusa	Goishigawa	1970	113 km
Takashibako	Takashiba	Samekawa	1961	114 km
			1991	115 km
Kawarago	Kawarago	Shiroishigawa	1968	117 km
Shitokiko	Shitoki	Shitokigawa	1983	119 km
Bobatako	Sengozawa	Kitasugawa	1974	120 km
Okurako	Okura	Okuragawa	1961	121 km
Nanakita	Nanakita	Nanakitagawa	1984	122 km
Nanatsumoriko	Minamikawa	Minamikawa	1987	122 km
Mizunuma	Mizunuma	Hanazonokawa	1966	126 km
Kejonuma	Kejonuma	Tajirigawa	1995	132 km
Naganuma	Naganuma	Hazamagawa	2005	133 km
Fukadachoseichi	Fukadachoseichi	Tadanogawa	1982	133 km
Birusawako	Birusawatameike	Yashirogawa	1948	141 km
Fujinumachosuichi	Fujimuna	Ebanagawa	1948	141 km
Houjonoumi	Mizukubo	Kariyasugawa	1971	142 km
Meigenko	Urushizawa	Narusegawa	1980	144 km
Maekawa	Maekawa	Maekawa	1982	144 km
Hanayamako	Hanayama	Hazamagawa	2004	151 km
Hatoriko	Hatori	Tsurunumagawa	1955	152 km
Yoshigadaira	Yoshigadaira	Harakawa	1970	154 km
Araoko	Naruko	Eaigawa	1958	157 km
Yunoiriko	Higashiyama	Yugawa	1982	158 km
Kamigo	Kamigo	Mogamigawa	1962	160 km
Sekishiba	Sekishiba	Ubadogawa	1958	160 km
Kurikoma	Kurikoma	Sanhazamagawa	1961	162 km
Nicchuhizawako	Nicchu	Oshikirigawa	1991	162 km
Wakasatoko	Okawa	Agagawa	1987	164 km
Ouchi	Ouchi	Onogawa	1991	168 km
Kijiyama	Kijiyama	Okimatanogawa	1960	171 km
Miyamako	Miyama	Nakagawa	1973	173 km
Gassanko	Sagae	Sagaegawa	1990	177 km
Jajanboike	Kozogawa	Kozogawa	1985	178 km
Sabigawa	Sabigawa	Sabigawa	1994	179 km
Shiobara	Shiobara	Hokigawa	1978	180 km
Ishibuchiko	Ishibuchi	Isawagawa	1953	183 km
Masuzawa	Masuzawa	Izumitagawa	1963	183 km
Terayama	Terayama	Miyakawa	1984	186 km
Oyasukyoko	Minase	Minasegawa	1963	188 km
Senganishitameike	Senganishi	Shukunaigawa	1934	191 km
Higashikoyako	Nishiarakawa	Nishiarakawa	1967	193 km
Ishibane	Ishibane	Wagagawa	1954	201 km
Kasumigaura	Kasumigaura-Kaihatsu	Tonegawa	1995	213 km
Kuromorigawadaiichicosuichi	Kuromorigawadaiichi	Kuromorigawa	1976	239 km
Yanakako	Wataraseyusuichi	Watarasegawa	1989	241 km
Miyukiko	Gongendochosetsuchi	Nakagawa	1991	244 km
Yamakura	Yamakura	Yamakuragawa	1964	276 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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