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2 clusters · 4 sources · 7 days · First seen 15 days ago · Last updated 8 days ago

Seismic activity in Aomori and Tsugaru Strait

Overview

In early September 2026, seismic activity was recorded near the Aomori Prefecture. A magnitude 4.7 earthquake occurred off the eastern coast of Aomori on September 6 at a depth of approximately 30 km. This event produced seismic intensity 2 in locations such as Hachinohe, Taira, and Nobeyoshi, with tremors felt in Iwate, Hokkaido, Miyagi, and Akita. No tsunami threat was identified.

One week later, on September 13, a magnitude 4.5 earthquake struck the Tsugaru Strait at a depth of about 120 km. This event resulted in higher seismic intensity 3 readings in Hakodate City, Hokkaido, as well as Nobeyama Town and Higashidori Village in Aomori. Intensity 2 tremors were also felt in parts of Iwate and across Hokkaido and Aomori. No tsunami threat was reported from this event.

Entities

Aomori Prefecture · Iwate Prefecture · Japan Meteorological Agency · Tsugaru Strait

Timeline

8 days ago

[INTERNATIONAL] 3 sources
Tsugaru Strait earthquake hits Hokkaido and Aomori
A magnitude 4.5 earthquake struck the Tsugaru Strait on September 13, 2026, with maximum intensity 3 recorded in Hokkaido and Aomori. No tsunami is expected.
15 days ago

[INTERNATIONAL] 3 sources
Earthquake strikes off the coast of Aomori Prefecture
A magnitude 4.7 earthquake struck off the coast of Aomori Prefecture, Japan, on September 6, 2026. Maximum seismic intensity of 2 was recorded in Aomori and Iwate; no tsunami is expected.

Sources

aba-net.com · fnn.jp · news.cube-soft.jp · thehubnews.net