Hundreds of Earthquakes Shake Japan’s Remote Tokara Islands, Agency Warns of Stronger Tremors Ahead
- Since June 21, 2025, a rare seismic swarm has struck the Tokara Islands in southern Japan, causing over 470 earthquakes.
- The swarm likely results from tectonic activity between the Philippine Sea and Eurasian Plates in this volcanically active region.
- The tremors reached magnitudes up to 5.1 and intensities of 4, were shallow, widely felt in Toshima Village, yet caused no major damage.
- By the morning of June 26, a total of 474 earthquakes had been recorded in southern Japan’s Tokara Islands, with the most powerful reaching approximately magnitude 5.1; officials have urged the public to remain alert.
- Authorities urge residents to stay alert and prepare supplies while monitoring continues, warning stronger quakes could still occur.
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14 Articles
M4.4 Earthquake Hits Ibaraki Prefecture, Northeast of Tokyo; No Tsunami Expected
An earthquake with an estimated magnitude of 4.4 hit Ibaraki Prefecture, northeast of Tokyo, at 8:56 a.m. on Friday. It measured 3 on the seismic intensity scale of 7 in Mito in the prefecture; Shirakawa, Fukushima Prefecture; and Moka, Tochigi Prefecture, according to the Japan Meteorological Agency. The agency said no tsunami is expected.
Officials concerned over intense earthquake swarm in Japan produces over 470 quakes over the past several days
A rare and intense seismic swarm has struck the remote Tokara Islands in southern Japan, with more than 470 earthquakes recorded over the past several days, according to the Japan Meteorological Agency (JMA). The activity, which began earlier this week, has prompted concern among seismologists and local officials, although no major damage or casualties have […]
Over 400 tremors detected around island chain in southwestern Japan
More than 400 tremors registering an intensity of 1 or higher on the Japanese seismic scale of zero to 7 have been observed since Saturday in the seas around the Tokara island chain in Kagoshima Prefecture, southwestern Japan.


Hundreds of earthquakes shake Japan’s remote Tokara Islands, agency warns of stronger tremors ahead
TOKYO, June 26 — A remote island chain in southern Japan has been rattled by more than 470 earthquakes since Saturday, the national weather agency said on Thursday, calling for residents to stay alert. No major damage has been reported from the series of quakes with a strength of at least one — slightly perceptible to people seated quietly indoors — on Japan’s seven-point seismic intensity scale. As of Thursday morning, 474 such earthquakes had …
More than 470 earthquakes have struck Japan since Saturday, the National Meteorological Agency reported. The quake struck a remote archipelago in southern Japan on Saturday. Japan earthquake, earthquakes in Japan, Tokara Islands, earthquake warning, weather report, Baba Vanga prediction, Japan tourism, Tokara Islands, Japan earthquake, earthquake in Japan, Japan weather report, earthquake warning, Baba Vanga prediction, Japan tourism, seismic ac…
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