Overall Green Earthquake in Japan on 09 Nov 2025 08:03 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 6.8 in Japan on 09 Nov 2025 08:03 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:	6.8M
Depth:	10 Km
Event Date:	09 Nov 2025 08:03 UTC 09 Nov 2025 18:03 Local
Exposed Population:	20 thousand in MMI V
Source:	NEIC us6000rmea
Inserted at:	09 Nov 2025 08:20 UTC
INFORM Coping capacity of the alert score:	1.1 (Japan)

GDACS Score

For more info on GDACS score click here.

	Earthquake (Shakemap)		Tsunami		GDACS score
NEIC	0		0.4		0.4
us6000rmea	Scaled population (raster)	0	Max wave alert	0.44m
	C1 shakemap	0	Max wave realtime	0.44m
	C2 shakemap	0
	Country Vulnerability	0
	INFORM_normalised	0

Maximum expected impact using different data sources.

Click on images to zoom it.

Download Tsunami Travel Time:

Episode Timeline

ID	Level	Score	Date	Mag, Depth	MMI*	Population**	Tsunami risk***	Delay (hh:mm)	Source
1670948		0.3	09 Nov 2025 08:03	6.7M, 10km	3.86	No people affected (in 100km)	0.3m (at 00:24)	00:14	NTWC
1670950		0.4	09 Nov 2025 08:03	6.8M, 10km	4.68	N/A (in MMI>=VII)	0.4m (at 00:25)	00:17	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.

Tsunami affected locations

The maximum Wave height is 0.4m in Sukuiso, Japan. This height is estimated for 9-Nov-2025 08:28:84.

Level	Date (UTC)	Name	Country	Wave height (m)
	9-Nov-2025 08:28:84	Sukuiso	Japan	0.4
	9-Nov-2025 08:28:84	Oura	Japan	0.4
	9-Nov-2025 08:24:86	Ishihama	Japan	0.4
	9-Nov-2025 08:30:44	Taro	Japan	0.4
	9-Nov-2025 08:30:12	Aonotaki	Japan	0.4
	9-Nov-2025 08:30:39	Kojirahama	Japan	0.4
	9-Nov-2025 08:30:39	Oishi	Japan	0.4
	9-Nov-2025 08:30:39	Shirahama	Japan	0.4
	9-Nov-2025 08:26:45	Sasasawa	Japan	0.3
	9-Nov-2025 08:30:44	Ryoishi	Japan	0.3
	9-Nov-2025 08:30:44	Hakozaki	Japan	0.3
	9-Nov-2025 08:30:44	Kirikiri	Japan	0.3
	9-Nov-2025 08:30:44	Anto	Japan	0.3
	9-Nov-2025 08:32:07	Shimo-Horei	Japan	0.3
	9-Nov-2025 08:32:07	Nonomae	Japan	0.3
	9-Nov-2025 08:32:07	Koishihama	Japan	0.3
	9-Nov-2025 08:32:07	Omoto	Japan	0.3
	9-Nov-2025 08:32:52	Kami-Heida	Japan	0.3
	9-Nov-2025 08:32:52	Kamaishi	Japan	0.3
	9-Nov-2025 08:32:52	Heida	Japan	0.3
	9-Nov-2025 08:30:44	Sakiyama	Japan	0.3
	9-Nov-2025 08:30:44	Sakikuwagasaki	Japan	0.3
	9-Nov-2025 08:29:24	Funakoshi	Japan	0.3
	9-Nov-2025 08:29:24	Koyatori	Japan	0.3
	9-Nov-2025 08:33:77	Fudai	Japan	0.3
	9-Nov-2025 08:33:77	Shimanokoshi	Japan	0.3
	9-Nov-2025 08:33:77	Shimanokoe	Japan	0.3
	9-Nov-2025 08:33:77	Miyako	Japan	0.3
	9-Nov-2025 08:33:77		Miyako	0.3
	9-Nov-2025 08:33:94	Kiriushi	Japan	0.3
	9-Nov-2025 08:30:12	Sakihama	Japan	0.2
	9-Nov-2025 08:38:44	Horinai	Japan	0.2
	9-Nov-2025 09:22:22	Kuji	Japan	0.2
	9-Nov-2025 09:22:22	Ojiri	Japan	0.2
	9-Nov-2025 09:22:22	Minami-Samuraihama	Japan	0.2
	9-Nov-2025 09:22:22	Kosode	Japan	0.2
	9-Nov-2025 08:37:15	Hosaura	Japan	0.2
	9-Nov-2025 08:37:15	Nagasaki	Japan	0.2
	9-Nov-2025 08:37:15	Ofunato	Japan	0.2
	9-Nov-2025 08:37:15		Ofunato	0.2
	9-Nov-2025 08:35:63	Okkirai	Japan	0.2
	9-Nov-2025 08:35:63	Urahama	Japan	0.2
	9-Nov-2025 09:10:62	Minato	Japan	0.2
	9-Nov-2025 09:10:62	Honnami	Japan	0.2
	9-Nov-2025 08:38:46	Tsurugaura	Japan	0.2
	9-Nov-2025 08:38:46	Matsuzaki	Japan	0.2
	9-Nov-2025 08:38:46	Uranohama	Japan	0.2
	9-Nov-2025 08:38:46	Tadagoe	Japan	0.2
	9-Nov-2025 08:38:46	Shuku	Japan	0.2
	9-Nov-2025 08:38:46	Sakihama	Japan	0.2
	9-Nov-2025 08:38:46	Kesennuma	Japan	0.2
	9-Nov-2025 08:21:45		Iwate-Chubu-Oki (Central Iwate) GPS buoy	0.2
	9-Nov-2025 08:35:26	Shimo-Funato	Japan	0.1
	9-Nov-2025 08:35:26	Attari	Japan	0.1
	9-Nov-2025 08:35:26	Ryori	Japan	0.1
	9-Nov-2025 08:35:26	Okubo	Japan	0.1
	9-Nov-2025 09:20:55		Iwate-Hokubu-Oki (North Iwate) GPS buoy	0.1
	9-Nov-2025 08:54:99	Noda	Japan	0.1
	9-Nov-2025 08:54:99	Tamagawa	Japan	0.1
	9-Nov-2025 08:54:99	Kuki	Japan	0.1
	9-Nov-2025 09:21:32	Yagi	Japan	0.1
	9-Nov-2025 09:21:32	Uge	Japan	0.1
	9-Nov-2025 08:45:25	Imaizumi	Japan	0.1
	9-Nov-2025 08:45:25	Koharagi	Japan	0.1
	9-Nov-2025 08:45:25	Tomari	Japan	0.1
	9-Nov-2025 08:45:25	Kogakuchi	Japan	0.1
	9-Nov-2025 08:45:25	Kurosaki	Japan	0.1
	9-Nov-2025 09:13:42	Kita-Samuraihama	Japan	0.1
	9-Nov-2025 09:13:42	Shiromae	Japan	0.1
	9-Nov-2025 08:22:56		Iwate-Nanbu-Oki (South Iwate) GPS buoy	0.1
	9-Nov-2025 08:22:79	bottom pressure cable	TM2	0.1
	9-Nov-2025 08:40:35	Noda-Tamagawa	Japan	0.1
	9-Nov-2025 08:43:41	Ogatsu	Japan	0.1
	9-Nov-2025 08:43:41	Funagoshi	Japan	0.1
	9-Nov-2025 08:43:41	Tatsuhama	Japan	0.1
	9-Nov-2025 08:43:41	Ohama	Japan	0.1
	9-Nov-2025 08:43:41	Kumazawa	Japan	0.1
	9-Nov-2025 08:43:41	Osu	Japan	0.1
	9-Nov-2025 08:44:56	Aikawa	Japan	0.1
	9-Nov-2025 08:44:56	Terahama	Japan	0.1
	9-Nov-2025 08:44:56	Ozashi	Japan	0.1
	9-Nov-2025 08:44:56	Kodaki	Japan	0.1
	9-Nov-2025 08:44:56	Tsukihama	Japan	0.1
	9-Nov-2025 09:29:56	Kobuchi	Japan	0.1
	9-Nov-2025 09:29:56	Oharahama	Japan	0.1
	9-Nov-2025 09:29:56	Kukunari	Japan	0.1
	9-Nov-2025 09:29:56	Ayukawahama	Japan	0.1
	9-Nov-2025 09:29:56	Oshika	Japan	0.1
	9-Nov-2025 09:29:56	Tomari	Japan	0.1
	9-Nov-2025 09:29:56	Niiyama	Japan	0.1
	9-Nov-2025 09:29:56		Ayukawa	0.1
	9-Nov-2025 09:44:86	Erimo	Japan	0.1
	9-Nov-2025 08:51:45	Wakinosawa	Japan	0.1
	9-Nov-2025 08:43:43	Kuwahama	Japan	0.1
	9-Nov-2025 08:45:45	Ommaehama	Japan	0.1
	9-Nov-2025 08:45:45	Terama	Japan	0.1
	9-Nov-2025 09:22:22	Kayahama	Japan	0.1
	9-Nov-2025 08:45:84	Yoriiso	Japan	0.1
	9-Nov-2025 08:49:96	Izushima	Japan	0.1
	9-Nov-2025 09:41:82	Futakawame	Japan	0.1
	9-Nov-2025 09:41:82	Hitokawame	Japan	0.1
	9-Nov-2025 09:41:82	Kawaguchi	Japan	0.1
	9-Nov-2025 09:41:82	Ichikawa	Japan	0.1
	9-Nov-2025 08:43:53	Nei	Japan	0.1
	9-Nov-2025 08:46:34	Shizugawa	Japan	0.1
	9-Nov-2025 08:46:34	Aratohama	Japan	0.1
	9-Nov-2025 08:46:34	Isatomae	Japan	0.1
	9-Nov-2025 08:46:34	Minato	Japan	0.1
	9-Nov-2025 08:46:34	Natari	Japan	0.1
	9-Nov-2025 08:46:34	Tomarihama	Japan	0.1
	9-Nov-2025 09:47:92	Samenoura	Japan	0.1
	9-Nov-2025 09:52:24	Onitoppu	Japan	0.1
	9-Nov-2025 10:02:97	Kami-Shigeoka	Japan	0.1
	9-Nov-2025 10:02:97	Ide	Japan	0.1
	9-Nov-2025 09:21:32	Onaba	Japan	0.1
	9-Nov-2025 08:55:03	Rikuzen-Takata	Japan	0.1
	9-Nov-2025 08:45:25	Koizumi	Japan	0.1
	9-Nov-2025 08:45:25	Motoyoshi	Japan	0.1
	9-Nov-2025 08:45:25	Kesaiso	Japan	0.1
	9-Nov-2025 08:45:25	Hiraiso	Japan	0.1
	9-Nov-2025 08:45:25	Oya	Japan	0.1
	9-Nov-2025 08:45:25	Akuao	Japan	0.1
	9-Nov-2025 10:01:92	Kami-Asamigawa	Japan	0.1
	9-Nov-2025 10:01:92	Shimo-Kitabo	Japan	0.1
	9-Nov-2025 10:00:52	Tomioka	Japan	0.1
	9-Nov-2025 08:30:44		Miyagi-Hokubu-Oki (North Miyagi) GPS buoy	0.1
	9-Nov-2025 09:32:28	Shirahama	Japan	0.1
	9-Nov-2025 09:32:28	Okuki	Japan	0.1
	9-Nov-2025 09:32:28	Kanahama	Japan	0.1
	9-Nov-2025 09:57:75	Chipira	Japan	0.1
	9-Nov-2025 08:57:15	Horoizumi	Japan	0.1
	9-Nov-2025 09:45:29	Sabishiro	Japan	0.1
	9-Nov-2025 09:45:29	Yokawame	Japan	0.1
	9-Nov-2025 09:45:29	Omisawa	Japan	0.1
	9-Nov-2025 09:45:29	Mikawame	Japan	0.1
	9-Nov-2025 09:00:28	Hashimukai	Japan	0.1
	9-Nov-2025 10:01:92	Oragahama	Japan	0.1
	9-Nov-2025 09:23:42	Minami-Ibi	Japan	0.1
	9-Nov-2025 08:48:03	Denkiani	Japan	0.1
	9-Nov-2025 08:48:03	Kadonohama	Japan	0.1
	9-Nov-2025 08:48:03	Kawajiri	Japan	0.1
	9-Nov-2025 08:48:03	Kawasiri	Japan	0.1
	9-Nov-2025 08:49:96	Ikenohama	Japan	0.1
	9-Nov-2025 08:49:96	Aji	Japan	0.1
	9-Nov-2025 10:09:38	Amagamori	Japan	0.1
	9-Nov-2025 08:53:26	Tanesashi	Japan	0.1
	9-Nov-2025 09:51:84	Kurauchi	Japan	0.1
	9-Nov-2025 09:51:84	Sunagamori	Japan	0.1
	9-Nov-2025 09:51:84	Shiogama	Japan	0.1
	9-Nov-2025 09:51:84	Origasa	Japan	0.1
	9-Nov-2025 09:51:84	Mukawame	Japan	0.1
	9-Nov-2025 09:28:56	Samani	Japan	0.1
	9-Nov-2025 09:15:66	Toi	Japan	0.1
	9-Nov-2025 09:19:91	Kiyohashi	Japan	0.1

See full locations list (RSS)

Initial conditions

Title: ""M 6.8, 126 km E of Yamada, Japan""

Fault parameters

Latitude: 39.396
Longitude: 143.411
Length: 39 km
Width: 11 km
Magnitude: 6.8 M

Okada parameters:

Slip: 1 m
Strike: 185 (geogr angle: north=0, south=180)
Dip: 19 degree
Rake: 90 degree
Depth: 10 km

Calculation parameters

Calculation space (lon/lat): 140.411, 36.396, 146.411, 42.396
Instead of Step -> use Cell size:.5 minutes

Sea Level

More information

Timeline:
Tsunami calculations performed to this case, click here
Montecarlo:
Tsunami Montecarlo simulation performed to this case, click here

Populated places affected by tsunami:
https://webcritech.jrc.ec.europa.eu/ModellingOutput/TsunamiSurge/JETS_System/2025/11/36072/locations.xml
Populated places affected by tsunami (KML):
https://webcritech.jrc.ec.europa.eu/ModellingOutput/TsunamiSurge/JETS_System/2025/11/36072/locations.kml

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

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