Japan

Island of Honshu (the west coast of Japan)

7.5 M_w

IX MSK

1.45 g

The January 1, 2024, M7.5 earthquake on the west coast of Japan, on the island of Honshu, occurred as a result of shallow reverse faulting in the Earth’s crust. This coastal earthquake produced both strong shaking on land and generated a tsunami.

100 - 1,000

1,000 - 10,000

> 100 M USD

Casualties and structural damage:
- At least 240 people killed, including one by a tsunami at Suzu, 12 missing, 1,182 injured and 55,649 buildings damaged or destroyed throughout Ishikawa with extensive damage occurring in Suzu Shi and Wajima Shi;
-49 people injured and 17,892 buildings damaged or destroyed in Niigata;
-47 people injured and 8,044 buildings damaged or destroyed in Toyama;
-6 people injured and 45 buildings damaged at Fukui;
-2 people injured in Hyogo and Osaka;
-1 person injured in Gifu and Nagano.

Economic loss:
The total economic loss in Ishikawa, Niigata and Toyama was estimated at 17.6 billion US dollars.

Cascading hazards:
- Several fires occurred;
- at least 9 landslide dams observed in Wajima Shi;
- a scarp occurred along the Wakayama Gawa in Suzu Shi;
- uplift of 4 m occurred in western Wajima Shi and 1.1 m in northern Suzu Shi with subsidence observed in Anamizu Machi;
- widespread landslides occurred across the mountainous region of Noto Hanto;
- liquefaction observed in Niigata and Toyama;
- a tsunami was generated with maximum wave heights of 6.58 m at Joetsu and 5.1 m at Akasaki, Honshu.