Overall Green Earthquake in Japan on 01 Aug 2026 02:48 UTC

GDACS is a cooperation framework between the United Nations, the European Commission and disaster managers worldwide to improve awareness, information exchange and coordination in the first phase after major sudden-onset disasters.

M 5.5 in Japan on 01 Aug 2026 02:48 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:	5.5M
Depth:	82.3 Km
Lat/Lon:	41.352 , 141.8958
Event Date:	01 Aug 2026 02:48 UTC 01 Aug 2026 11:48 Local
Exposed Population:	1.5 million in MMI IV
Source:	NEIC us6000thdk
Inserted at:	01 Aug 2026 03:02 UTC
INFORM Coping capacity of the alert score:	1.1 (Japan)

GDACS Score

For more info on GDACS score click here.

	Earthquake (Shakemap)		GDACS score
NEIC	0		0
us6000thdk	Scaled population (raster)	0
	C1 shakemap	0
	C2 shakemap	0
	Country Vulnerability	0
	INFORM_normalised	0
	Score no CC	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	Level	Score	Date	Mag, Depth	MMI*	Population**	Tsunami risk***	Delay (hh:mm)	Source
1722229		0	01 Aug 2026 02:48	5.5M, 82.3km	4.36	N/A (in MMI>=VII)		00:14	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 ,of Tohoku (population 9,984,608) . The alertlevel for this event is GREEN

Intensity	Population
	no people

Shakemaps Timeline

Shake id #	episodeid	Lat/Lon	Magnitude	Depth	Max MMI	Date shake (UTC)	Delay (hh:mm)
1	1722229	141.896/41.352	5.5	82.3	4.35	01 Aug 2026 03:06	00:18	(new episode)
2	1722229	141.896/41.352	5.5	82.3	4.35	01 Aug 2026 04:53	02:05	(upd of #1)
3	1722229	141.896/41.352	5.5	82.3	4.35	02 Aug 2026 14:01	1d 11:13	(upd of #2)

Affected Provinces

Region Province	Country	Population
Tohoku	Japan	800000 people
Hokkaido	Japan	420000 people
Tohoku	Japan	370000 people
Hokkaido	Japan	140000 people

Affected populated places. Areas of interest

Name	Region Province	Country	City class	Population	Distance
Shiriya	Aomori	Japan	Village	-	38 km
Shikkari	Aomori	Japan	Village	-	40 km
Sarugamori	Aomori	Japan	Village	-	43 km
Kodanosawa	Aomori	Japan	Village	-	44 km
Tomari	Aomori	Japan	Village	-	52 km
Mena	Aomori	Japan	Village	-	52 km
Chikagawa	Aomori	Japan	Village	-	54 km
Mutsu	Aomori	Japan	Village	49000 people	57 km
Tanabu	Aomori	Japan	Village	-	57 km
Sekine	Aomori	Japan	Village	-	57 km
Dedo	Aomori	Japan	Village	-	58 km
Ominato	Aomori	Japan	Village	-	60 km
Ohata	Aomori	Japan	Village	-	61 km
Yokohama	Aomori	Japan	Village	-	62 km
Rokkasho	Aomori	Japan	Village	-	65 km
Shimoburo	Aomori	Japan	Village	-	67 km
Jogasawa	Aomori	Japan	Village	-	67 km
Kurauchi	Aomori	Japan	Village	-	71 km
Tanosawa	Aomori	Japan	Village	-	72 km
Sabishiro	Aomori	Japan	Village	-	74 km
Arito	Aomori	Japan	Village	-	76 km
Kawauchi	Aomori	Japan	Village	-	77 km
Ikokuma	Aomori	Japan	Village	-	77 km
Tanichito	Aomori	Japan	Village	-	78 km
Hata	Aomori	Japan	Village	-	78 km
Netanai	Hokkaido	Japan	Village	-	82 km
Ogara	Aomori	Japan	Village	-	82 km
Todohokke	Hokkaido	Japan	Village	-	83 km
Noheji	Aomori	Japan	City	-	84 km
Oma	Aomori	Japan	Village	-	84 km
Shimizugawa	Aomori	Japan	Village	-	86 km
Shukunobe	Aomori	Japan	Village	-	86 km
Sai	Aomori	Japan	Village	-	86 km
Misawa	Aomori	Japan	Village	43000 people	87 km
Furumagi	Aomori	Japan	Village	-	89 km
Ichikawa	Aomori	Japan	Village	-	91 km
Kominato	Aomori	Japan	Village	-	92 km
Wakinosawa	Aomori	Japan	Village	-	93 km
Ishisaki	Hokkaido	Japan	Village	-	95 km
Shichinohe	Aomori	Japan	Village	-	96 km
Mora	Aomori	Japan	Village	-	97 km
Hachinohe	Aomori	Japan	City	240000 people	97 km
Kakkumi	Hokkaido	Japan	Village	-	98 km
Yunokawa	Hokkaido	Japan	Village	-	98 km
Mita	Aomori	Japan	Village	-	99 km
Kanahama	Aomori	Japan	Village	-	99 km
Sambongi	Aomori	Japan	Village	-	100 km
Fujishima	Aomori	Japan	Village	-	101 km
Kawajiri	Iwate	Japan	Village	-	103 km
Yukawa	Hokkaido	Japan	Village	-	104 km
Ogida	Aomori	Japan	Village	-	104 km
Gonohe	Aomori	Japan	Village	-	105 km
Kumadomari	Hokkaido	Japan	Village	-	106 km
Nonai	Aomori	Japan	Village	-	106 km
Horyo	Aomori	Japan	Village	-	107 km
Hakodate	Hokkaido	Japan	City	270000 people	108 km
Taneichi	Iwate	Japan	Village	-	109 km
Kanita	Aomori	Japan	Village	-	111 km
Kenyoshi	Aomori	Japan	Village	-	111 km
Aomori	Aomori	Japan	Major city	300000 people	112 km
Ichinosawa	Aomori	Japan	Village	-	113 km
Ogifushi	Hokkaido	Japan	Village	-	114 km
Uchimambe	Aomori	Japan	Village	-	114 km
Shizunai	Hokkaido	Japan	Village	22000 people	116 km
Urakawa	Hokkaido	Japan	Village	-	116 km
Kerimabu	Hokkaido	Japan	Village	-	117 km
Shikabe	Hokkaido	Japan	Village	-	117 km
Kamuso	Hokkaido	Japan	Village	-	117 km
Niikappu	Hokkaido	Japan	Village	-	117 km
Odai	Aomori	Japan	Village	-	117 km
Uge	Iwate	Japan	Village	-	117 km
Aburakawa	Aomori	Japan	Village	-	118 km
Takada	Aomori	Japan	Village	-	118 km
Imabetsu	Aomori	Japan	Village	-	119 km
Ono	Hokkaido	Japan	Village	-	120 km
Ikusagawa	Hokkaido	Japan	Village	-	120 km
Obatakesawa	Aomori	Japan	Village	-	121 km
Hashikure	Hokkaido	Japan	Village	-	125 km
Shiriuchi	Hokkaido	Japan	Village	-	126 km
Mombetsu	Hokkaido	Japan	Village	-	126 km
Kikonai	Hokkaido	Japan	Village	-	127 km
Imaizumi	Aomori	Japan	Village	-	129 km
Nakasato	Aomori	Japan	Village	-	130 km
Kudschi	Iwate	Japan	Village	-	130 km
Kanagi	Aomori	Japan	Village	-	131 km
Muroran	Hokkaido	Japan	City	94000 people	133 km
Tomiyachi	Aomori	Japan	Village	-	135 km
Harako	Aomori	Japan	Village	-	135 km
Horobetsu	Hokkaido	Japan	Village	-	135 km
Mukawa	Hokkaido	Japan	Village	-	136 km
Goshogahara	Aomori	Japan	Village	-	136 km
Fukushima	Hokkaido	Japan	Village	-	138 km
Noda	Iwate	Japan	Village	-	138 km
Itavanagi	Aomori	Japan	Village	-	139 km
Shiraoi	Hokkaido	Japan	Village	21000 people	140 km
Kizukuri	Aomori	Japan	Village	19000 people	141 km
Komotsuchi	Aomori	Japan	Village	-	141 km
Nishikioka	Hokkaido	Japan	Village	-	142 km
Hama-atsuma	Hokkaido	Japan	Village	-	143 km
Oji	Hokkaido	Japan	Village	-	144 km
Shigenai	Akita	Japan	Village	-	156 km
Hiroo	Hokkaido	Japan	Village	-	157 km
Toyoni	Hokkaido	Japan	Village	-	162 km
Kami-notsuka	Hokkaido	Japan	Village	-	162 km
Odate	Akita	Japan	City	64000 people	165 km
Junisho	Akita	Japan	Village	-	167 km
Omoto	Iwate	Japan	Village	-	168 km
Doya	Hokkaido	Japan	Village	-	168 km
Ono	Akita	Japan	Village	-	169 km
Oda	Hokkaido	Japan	Village	-	170 km
Taiki	Hokkaido	Japan	Village	-	171 km
Shimo-hareyama	Aomori	Japan	Village	-	171 km
Moto-sarabetsu	Hokkaido	Japan	Village	-	174 km
Rebun	Hokkaido	Japan	Village	-	174 km
Aiboshima	Hokkaido	Japan	Village	-	178 km
Naka-satsunai	Hokkaido	Japan	Village	-	179 km
Takanosu	Akita	Japan	Village	20000 people	180 km
Oshamambe	Hokkaido	Japan	Village	-	180 km
Taro	Iwate	Japan	Village	-	180 km
Shizukari	Hokkaido	Japan	Village	-	182 km
Yuni	Hokkaido	Japan	Village	-	184 km
Mikawa	Hokkaido	Japan	Village	-	188 km
Yonaizawa	Akita	Japan	Village	-	188 km
Oikamanae	Hokkaido	Japan	Village	-	189 km
Taisha	Hokkaido	Japan	Village	-	191 km
Neichi	Iwate	Japan	Village	-	192 km
Memuro	Hokkaido	Japan	Village	-	193 km
Hachimori	Akita	Japan	Village	-	194 km
Tobine	Akita	Japan	Village	-	195 km
Kami-michibetsu	Hokkaido	Japan	Village	-	196 km
Kita-fushiko	Hokkaido	Japan	Village	-	197 km
Tsugaruishi	Iwate	Japan	Village	-	198 km
Numada	Akita	Japan	Village	-	198 km
Obihiro	Hokkaido	Japan	City	170000 people	203 km
Noshiro	Akita	Japan	City	50000 people	203 km
Kami-yubetsu	Hokkaido	Japan	Village	-	205 km
Asanai	Akita	Japan	Village	-	207 km
Otsu	Hokkaido	Japan	Village	-	208 km
Setana	Hokkaido	Japan	Village	-	209 km
Betchako	Hokkaido	Japan	Village	-	209 km
Haginari	Akita	Japan	Village	-	210 km
Moridake	Akita	Japan	Village	-	211 km
Isoya	Hokkaido	Japan	Village	-	211 km
Iwanai	Hokkaido	Japan	City	15000 people	214 km
Oyachi	Akita	Japan	Village	-	216 km
Ikeda	Hokkaido	Japan	Village	-	216 km
Hitochi	Akita	Japan	Village	-	220 km
Sarugawa	Akita	Japan	Village	-	225 km
Okubo	Akita	Japan	Village	-	228 km
Kakumasaki	Akita	Japan	Village	-	229 km
Yasuda	Akita	Japan	Village	-	230 km
Tenno	Akita	Japan	Village	-	230 km
Funakoshi	Akita	Japan	Village	-	231 km
Oiwake	Akita	Japan	Village	-	232 km
Akita	Akita	Japan	Major city	310000 people	235 km
Kyokubi	Akita	Japan	Village	-	243 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
Misawa Naf	MSJ	36	Mil.	Paved	Yes	10000	84 km
Hachinohe	HHE	46	Mil.	Paved	Yes	7300	96 km
Hakodate	HKD	34	Civ.	Paved	Yes	9800	101 km
Obihiro	OBO	149	Civ.	Paved	Yes	8200	188 km
Tokachi		84	Civ.	Paved	Yes	4900	201 km
Akita Old		15				0	239 km

Ports

Name	LOCODE	Country	Distance
Ominato	JPOMT	Japan	60 km
Ohata		Japan	72 km
Hachinohe	JPHHE	Japan	96 km
Hakodate	JPHKD	Japan	108 km
Noshiro	JPNSR	Japan	202 km
Otsu	JPOTU	Japan	208 km

Dams

Reservoir	Dam Name	River	Year	Distance
Ainumako	Ainumanai	Ainumanaigawa	1930	169 km
Koaniko	Haginari	Koanigawa	1966	208 km
Kawakitako	Iwami	Sannaigawa	1978	222 km

Nuclear Facilities

Site Name	Type	Name	Country	Distance
Site-Higashi Dori	Nuclear Power Reactor	Higashi Dori-1	Japan	46 km
Site-Rokkasho	Nuclear Fuel Cycle	Rokkasho Spent Fuel Storage	Japan	65 km
Site-Rokkasho	Nuclear Fuel Cycle	Rokkasho Uranium Enrichment Plant (REP)	Japan	65 km
Site-Rokkasho	Nuclear Fuel Cycle	Rokkasho Reprocessing Plant (RRP)	Japan	65 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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