izu islands japan earthquake

izu islands japan earthquake

Japan’s Izu islands experienced small tsunami waves, reaching heights of up to 30 cm, following a 6.6 magnitude earthquake in the western Pacific Ocean on late Thursday morning. The earthquake occurred at 11 a.m. near Torishima in the Izu island chain, with a depth of 10 kilometers. The Meteorological Agency initially issued a tsunami advisory, predicting waves of up to 1 meter for the remote islands south of Tokyo.

izu islands japan earthquake
image credit: japan times

However, the advisory has been lifted since then. Residents in coastal areas and near river mouths had been advised to move to higher ground as a precaution.

“A 1-meter wave may not appear significant, but encountering such a wave can be extremely dangerous and can sweep you off your feet,” warned a Meteorological Agency spokesperson during a news conference.

The tsunami was originally expected to reach various parts of the Izu islands at different times, with Hachijo-jima expected at 11:50 a.m. and Izu Oshima at noon. A 30 cm tsunami was reported at Hachijo-jima (Yaene) at 12:17 p.m., although it could have been higher at other locations, according to the agency.

izu islands japan earthquake

The Meteorological Agency also cautioned about the possibility of aftershocks, indicating a 10% to 20% chance of another earthquake with a similar magnitude occurring in the coming week. They urged the public to remain alert.

izu islands japan earthquake

Seismic activity had been recorded in the same area of the western Pacific Ocean in the past week, starting on Monday and leading up to Thursday’s earthquake. There have also been other earthquakes above magnitude 6 in recent days.

izu islands japan earthquake

As of now, there have been no reports of unusual volcanic activity resulting from the earthquake. Aerial observations by the Japan Coast Guard in the past week have not indicated any abnormal activity.

The last time a similar magnitude earthquake occurred near Torishima island was in 2006, resulting in a 16 cm tsunami reaching Miyake-jima. This incident also marks the first time a tsunami alert has been issued for the Izu islands since the 2022 Tonga-Hunga Ha’apai volcano eruption and tsunami.

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