Overall Green Earthquake alert in Japan on 25 Feb 2023 13:27 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 6.1 in Japan on 25 Feb 2023 13:27 UTC

Hazard models

Rapid Impact

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:	6.1M
Depth:	42.866 Km
Lat/Lon:	42.7507 , 145.1347
Event Date:	25 Feb 2023 13:27 UTC 25 Feb 2023 23:27 Local
Exposed Population:	10 thousand in MMI V
Source:	NEIC us6000jrjl
Inserted at:	25 Feb 2023 13:46 UTC
INFORM Coping capacity of the alert score:	1.1 (Japan)

GDACS Score

For more info on GDACS alert score click here.

	Earthquake (Shakemap)		GDACS score
NEIC	0		0
us6000jrjl	Scaled population (raster)	0
	C1 shakemap	0
	C2 shakemap	0
	Country Vulnerability	0
	INFORM_normalised	0

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
1492097		0	25 Feb 2023 13:27	6.1M, 42.866km	4.76	N/A (in MMI>=VII)		00:18	NEIC
1492114		0	25 Feb 2023 13:27	6M, 50.181km	4.63	N/A (in MMI>=VII)		00:48	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 Hokkaido (population 5,808,054) . The alertlevel for this event is GREEN

Intensity	Population
	3100 people

Shakemaps Timeline

Shake id #	episodeid	Lat/Lon	Magnitude	Depth	Max MMI	Date shake (UTC)	Delay (hh:mm)
1	1492097	145.135/42.751	6.1	42.9	4.756	25 Feb 2023 13:51	00:23	(new episode)
2	1492114	145.074/42.78	6	50.2	4.629	25 Feb 2023 14:22	00:54	(new episode)
3	1492114	145.074/42.78	6	50.2	4.629	25 Feb 2023 15:36	02:08	(upd of #2)
4	1492114	145.074/42.78	6	50.2	4.629	26 Feb 2023 13:40	1d 00:12	(upd of #3)

Affected Provinces

Region Province	Country	Population
Hokkaido	Japan	2100 people
Hokkaido	Japan	630000 people
Sakhalinskaya oblast'	Russian Federation	1200 people
Hokkaido	Japan	<1000 people
Sakhalinskaya oblast'	Russian Federation	no people

Affected populated places. Areas of interest

Name	Region Province	Country	City class	Population	Distance
Mo-chirippu	Hokkaido	Japan	Village	-	32 km
Kiritappu	Hokkaido	Japan	Village	-	36 km
Akkeshi	Hokkaido	Japan	Village	-	39 km
Shinryu	Hokkaido	Japan	Village	-	41 km
Itoizawa	Hokkaido	Japan	Village	-	43 km
Atoega	Hokkaido	Japan	Village	-	43 km
Monshizu	Hokkaido	Japan	Village	-	44 km
Hamanaka	Hokkaido	Japan	Village	-	45 km
Oboro	Hokkaido	Japan	Village	-	46 km
Moraito	Hokkaido	Japan	Village	-	46 km
Kumaushi	Hokkaido	Japan	Village	-	51 km
Kami-oboro	Hokkaido	Japan	Village	-	52 km
Atsutoko	Hokkaido	Japan	Village	-	53 km
Kombumori	Hokkaido	Japan	Village	-	54 km
Futakobe	Hokkaido	Japan	Village	-	55 km
Svetloye	Hokkaido	Japan	Village	-	57 km
Yamagata-dantai	Hokkaido	Japan	Village	-	58 km
Higashigosen	Hokkaido	Japan	Village	-	58 km
Takkomu	Hokkaido	Japan	Village	-	64 km
Karikan	Hokkaido	Japan	Village	-	64 km
Fushiko-tobuto	Hokkaido	Japan	Village	-	65 km
Nishi-wada	Hokkaido	Japan	Village	-	66 km
Kushiro	Hokkaido	Japan	City	23000 people	66 km
Kami-nishibetsu	Hokkaido	Japan	Village	-	69 km
Nishibetsu	Hokkaido	Japan	Village	-	71 km
Bekkai	Hokkaido	Japan	Village	-	71 km
Gojikkoku	Hokkaido	Japan	Village	-	72 km
Nemuro	Hokkaido	Japan	City	31000 people	74 km
Shibecha	Hokkaido	Japan	Village	-	74 km
Tomoshiri	Hokkaido	Japan	Village	-	75 km
Awa	Hokkaido	Japan	Village	-	78 km
Shimo-setchiri	Hokkaido	Japan	Village	-	80 km
Onnebira	Hokkaido	Japan	Village	-	80 km
Tokotan	Hokkaido	Japan	Village	-	80 km
Hikiushi	Hokkaido	Japan	Village	-	82 km
Isobunnai	Hokkaido	Japan	Village	-	84 km
Muen	Hokkaido	Japan	Village	-	85 km
Keinebetsu	Hokkaido	Japan	Village	-	86 km
Shoro	Hokkaido	Japan	Village	-	86 km
Nassafu	Hokkaido	Japan	Village	-	89 km
Naka-osobetsu	Hokkaido	Japan	Village	-	89 km
Shiranuka	Hokkaido	Japan	City	-	89 km
Naka-shibetsu	Hokkaido	Japan	City	-	90 km
Odaito	Hokkaido	Japan	Village	-	90 km
Kami-horono	Hokkaido	Japan	Village	-	91 km
Shitakara	Hokkaido	Japan	Village	-	92 km
Kaiyo	Hokkaido	Japan	Village	-	95 km
Teshikaga	Hokkaido	Japan	Village	-	98 km
Ombetsu	Hokkaido	Japan	Village	-	100 km
Shibetsu	Hokkaido	Japan	Village	22000 people	100 km
Kawakita	Hokkaido	Japan	Village	-	101 km
Tantaka	Hokkaido	Japan	Village	-	103 km
Futamata	Hokkaido	Japan	Village	-	106 km
Shakubetsu	Hokkaido	Japan	Village	-	108 km
Churuigenya	Hokkaido	Japan	Village	-	111 km
Futamata	Hokkaido	Japan	Village	-	111 km
Oku-muri	Hokkaido	Japan	Village	-	112 km
Akankohan	Hokkaido	Japan	Village	-	113 km
Nishimae	Sakhalinskaya	Russia	Village	-	113 km
Golovnino	Sakhalinskaya	Russia	Village	-	114 km
Aitomari	Sakhalinskaya	Russia	Village	-	115 km
Kumbetsu	Hokkaido	Japan	Village	-	116 km
Kitaura	Sakhalinskaya	Russia	Village	-	118 km
Kami-sattsuru	Hokkaido	Japan	Village	-	119 km
Ruchi	Sakhalinskaya	Russia	Village	-	120 km
Naka-tokomuro	Hokkaido	Japan	Village	-	120 km
Urahoro	Hokkaido	Japan	Village	-	122 km
Rushin	Hokkaido	Japan	Village	-	122 km
Otsu	Hokkaido	Japan	Village	-	122 km
Kafenotsu	Sakhalinskaya	Russia	Village	-	123 km
Rukushibetsu	Hokkaido	Japan	Village	-	124 km
Sattsuru	Hokkaido	Japan	Village	-	125 km
Katsupei	Hokkaido	Japan	Village	-	125 km
Homba	Hokkaido	Japan	Village	-	128 km
Kami-shari	Hokkaido	Japan	Village	-	129 km
Miyagi	Hokkaido	Japan	Village	-	129 km
Pombetsu	Hokkaido	Japan	Village	-	131 km
Kami-mokoto	Hokkaido	Japan	Village	-	131 km
Koshikawa	Hokkaido	Japan	Village	-	132 km
Kansen	Hokkaido	Japan	Village	-	134 km
Koshimizu	Hokkaido	Japan	Village	-	134 km
Shari	Hokkaido	Japan	Village	-	134 km
Naka-ashiyoro	Hokkaido	Japan	Village	-	135 km
Alëkhino	Sakhalinskaya	Russia	Village	-	135 km
Shimo-noyaushi	Hokkaido	Japan	Village	-	135 km
Chipputomari	Hokkaido	Japan	Village	-	136 km
Oshiusu	Sakhalinskaya	Russia	Village	-	137 km
Ushishubetsu	Hokkaido	Japan	Village	-	137 km
Higashi-mokoto	Hokkaido	Japan	Village	-	139 km
Tsubetsu	Hokkaido	Japan	City	-	139 km
Ashorobuto	Hokkaido	Japan	City	-	140 km
Rausu	Hokkaido	Japan	City	-	141 km
Ikeda	Hokkaido	Japan	Village	-	141 km
Oikamanae	Hokkaido	Japan	Village	-	141 km
Okawa	Hokkaido	Japan	Village	-	142 km
Kami-aikappu	Hokkaido	Japan	Village	-	142 km
Kami-noyaushi	Hokkaido	Japan	Village	-	143 km
Aiboshima	Hokkaido	Japan	Village	-	143 km
Utoro	Hokkaido	Japan	Village	-	146 km
Bihiro	Hokkaido	Japan	City	-	146 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
Kushiro	KUH	95	Civ.	Paved	Yes	7500	83 km
Nakashibetsu	SHB	65	Civ.	Paved	Yes	6500	93 km
Memanbetsu	MMB	33	Civ.	Paved	Yes	8200	148 km
Obihiro	OBO	149	Civ.	Paved	Yes	8200	157 km
Tokachi		84	Civ.	Paved	Yes	4900	162 km

Ports

Name	LOCODE	Country	Distance
Akkeshi	JPAKE	Japan	39 km
Kushiro	JPKUH	Japan	67 km
Hanasaki		Japan	69 km
Nemuro	JPNEM	Japan	73 km
Golovino		Russia	106 km
Otsu	JPOTU	Japan	122 km

Dams

Intensity	Reservoir	Dam Name	River	Year	Distance
	Ashoroko	Kakkomi	Biribetsugawa	1955	145 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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