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Earthquake causes land shift of up to 3 meters NHK

The powerful earthquake that rocked Ishikawa Prefecture on Monday caused crustal changes of up to 3 meters in the Noto region near the epicenter.

Japan's Geospatial Information Authority, GSI, analyzed crustal movements before and after the quake. Data was collected by Japan's DAICHI-2 earth observation satellite.

GSI officials said they found crustal changes across the Noto Peninsula, such as up to 3 meters in the western part of Wajima City, and a maximum 1 meter in the northern parts of Suzu City.

They said they cannot determine by the data which direction the land has shifted.

The officials said the land shift ranged from 1 to 2 meters in a series of quakes in 2016 in Kumamoto Prefecture. They said a 1.5-meter crustal alteration was caused by the 7.2 magnitude quake that struck inland areas in Iwate and Miyagi Prefectures in 2008.

GSI said preliminary figures indicate that an observation point in Wajima City moved horizontally about 1.3 meters to the west.

The analysis also indicates a westward shift of about 1 meter in Anamizu Town, and 80 centimeters in Suzu City.

GSI said these large land shifts possibly destroyed buildings in the region.
Summary
A magnitude 7 earthquake hit Ishikawa Prefecture, causing up to 3 meters of crustal change in the Noto region. GSI analyzed data from Japan's DAICHI-2 satellite, finding significant shifts across the Noto Peninsula. The largest movement was 3 meters in Wajima City's west, with 1 meter in Suzu
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ID: 61757d54-4cb1-4d14-96ca-61a190039d8f

Category ID: nhk

URL: https://www3.nhk.or.jp/nhkworld/en/news/20240102_32/

Date: Jan. 2, 2024

Created: 2024/01/03 06:30

Updated: 2025/12/08 19:27

Last Read: 2024/01/03 11:03