Latest Menu
2025-06-22 06:23 (UTC+9),
SE OFF NEMURO PENINSULA,
20km Depth, M 5.9 by JMA

Is Distribution Maximum Observed Is:3

Seismic Intensity (Is) distribution is estimated from the observed data (circles) of NIED K-NET, KiK-net, JMA, and local governments that had been collected by 2025/06/22 06:34:02.

Estimated Is for Major Cities

Max. Obs. Is Histogram
of Estimated Is
1
2
3
4
5
-
5
+
6
-
6
+
7
 Municipality
Show All Data 		Nighttime Population Distance
[km]
3
Nemuro,Hokkaido 27,000 88
The histogram shows frequency distribution of estimated Is derived from interpolation of the observation with 250-m mesh. The daytime and nighttime correspond to 9:00-18:59 and 19:00-8:59, respectively. The distance is measured from the epicenter to the center of the municipality.

Is Exposed-Population Estimates of Each City

5- or greater
5- or greater
Not Available
5+ or greater
5+ or greater
Not Available
6- or greater
6- or greater
Not Available
6+ or greater
6+ or greater
Not Available
color scale

Population exposed to Is 5- or greater are not estimated.

Seismic Hazard Information of J-SHIS

J-SHIS is a Web service by NIED, to help prevent and prepare for earthquake disaster by providing a public portal for seismic hazard information across Japan.

Is Distribution of 2% Probability of Exceedance in 50 Years Is Distribution of Return Period of 50,000-year

Major Historical Damaging Earthquakes in This Region

Year Region M Damage
1843 Kushiro, Nemuro 7.5 Tsunamis were observed. 46 dead, 76 houses collapsed.
1881 Hokkaido 7.0 Non-residential houses collapsed or were partially destroyed in Tomari, Kunashiri.
1894 Off Nemuro 7.9 1 dead, 12 houses collapsed. Tsunami wave heights recorded at 4.0 m in Miyako.
1973 SE Off Nemuro Peninsula 7.4 Nemurohanto-oki Earthquake,26 injured, 2 houses collapsed, 1 partially damaged. A small tsunami with a height of 2.8 m in Hanasaki. 275 flooded, 10 ships destroyed or sunken.
1994 E Off Hokkaido 8.2 Hokkaido Toho-oki Earthquake,437 injured, 61 houses collapsed, 348 partially destroyed. A 173 cm tsunami recorded in Hanasaki. 10 dead or missing in Iturup close to the epicenter.
Reference: National Astronomical Observatory of Japan, Chronological Scientific Tables, Maruzen, (2017) *partially extracted