Iwamizawa
Notable events within 100 km, 12 months
0
Quakes within 100 km, 12 months (all sizes)
0
Strongest nearby, 10 years
M6.6
Hazard summary for Iwamizawa
In the past 12 months 0 notable hazard events were recorded within 100 km of Iwamizawa. Instruments also logged 0 earthquakes of all sizes in the same area. The strongest earthquake within 100 km in the last ten years measured magnitude 6.6. The largest quake on record within 300 km was a magnitude 8.2 on 25 Sept 2003. The nearest volcano is Shikotsu, about 65 km away.
Notable events within 100 km, by month
Recent activity nearby
Events within 300 km in the last 90 days.
Strongest earthquakes on record
Magnitude 5 and above within 300 km, since 1900.
- 8.2
M8.2 earthquake near Sarubetsu, Hokkaido
27 km deep
Extreme - 8.2
M8.2 earthquake - 1968 Tokachi-Oki Earthquake
27 km deep
Extreme - 8.1
M8.1 earthquake near Sarubetsu, Hokkaido
45 km deep
Extreme - 7.9
M7.9 earthquake near Shizunai-furukawachō, Hokkaido
31 km deep
Extreme - 7.9
M7.9 earthquake near Kuji, Iwate
35 km deep
Extreme - 7.7
M7.7 earthquake near Yakumo, Hokkaido
17 km deep
Extreme - 7.6
M7.6 earthquake near Hitokawame, Aomori
41 km deep Tsunami flag
Extreme - 7.6
M7.6 earthquake near Otofuke, Hokkaido
102 km deep
Extreme - 7.5
M7.5 earthquake - 137 km WSW of Rishiri Town, Japan
15 km deep
Extreme - 7.5
M7.5 earthquake near Kuji, Iwate
35 km deep
Extreme