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Magnitude 1 Earthquake in Iwate Prefecture. An Earthquake with a Maximum Seismic Intensity of 1 Occurred Off the Coast of Iwate Prefecture. No Tsunami Expected.

At approximately 8:56 PM on October 4, 2026, an earthquake with a maximum intensity of 1 occurred off the coast of Iwate Prefecture. A maximum intensity of 1 was observed in Iwate Prefecture. There is no risk of a tsunami from this earthquake. The depth of the epicenter was 40 km. The magnitude (M) of the earthquake is estimated to be M3.4. Iwate Prefecture [Intensity 1]: Ofunato City, Kamaishi City, Sumita Town, Otsuchi Town. (Provided by Weath…
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At approximately 8:56 PM on October 4, 2026, an earthquake with a maximum intensity of 1 occurred off the coast of Iwate Prefecture. A maximum intensity of 1 was observed in Iwate Prefecture. There is no risk of a tsunami from this earthquake. The depth of the epicenter was 40 km. The magnitude (M) of the earthquake is estimated to be M3.4. Iwate Prefecture [Intensity 1]: Ofunato City, Kamaishi City, Sumita Town, Otsuchi Town. (Provided by Weath…

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FNN.jpプライムオンライン broke the news on Sunday, October 4, 2026.
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