How a 6.7‑Magnitude Hokkaido Quake Threatens Data Centers and Debunks Earthquake Myths
A 6.7‑magnitude earthquake struck Hokkaido, plunging the region into a week‑long power outage that jeopardized local data centers reliant on limited‑capacity generators, while experts emphasize that worldwide earthquake prediction remains unreliable and stress the importance of prevention over forecasting.
Hokkaido Earthquake Shuts Down Power and Threatens Data Centers
At 03:08 Japan time on the 6th, a magnitude 6.7 earthquake struck Hokkaido at a depth of 40 km, causing widespread building collapses and a total power outage across the region.
The outage is disastrous for data centers in Hokkaido, which rely on on‑site generators that can run only 20–40 hours due to limited fuel, and full power restoration may take up to a week.
The nearby Hokkaido‑Pob power plant also lost external supply; emergency generators can keep the cooling pool fuel‑filled for only seven days, and restoring power before the approaching super‑typhoon “Feiyan” is challenging.
Current State of Earthquake Prediction
Scientists worldwide continue to study small tremors, underground fluid changes, and geomagnetic variations, yet precise earthquake prediction remains an unsolved scientific problem; no institution can accurately forecast an earthquake.
According to the deputy director of Yunnan Province Earthquake Bureau, claims of exact time‑and‑location forecasts are rumors.
Earthquake Knowledge: Myths and Facts
Magnet‑Based Predictions
Myth: Hanging a magnet can predict earthquakes.
Fact: Local magnetic field variations before an earthquake are extremely subtle, often undetectable even with professional instruments, and cannot cause a magnet to lose its magnetism.
Frog Migration
Myth: Massive frog migrations signal an imminent large earthquake.
Fact: Chinese toads breed in water as tadpoles; they may temporarily leave water when humidity is high, but this behavior is unrelated to seismic activity.
“Earthquake Clouds”
Myth: Unusual cloud formations foretell a major quake.
Fact: The “earthquake cloud” concept originated from a Japanese mayor without geological or meteorological expertise; statistical analyses have found no correlation between such clouds and earthquakes.
Prevention Over Prediction
Japan’s frequent earthquakes have driven strong disaster‑prevention measures, emphasizing robust building codes, seismic‑resistant infrastructure, and emergency preparedness rather than relying on uncertain predictions.
Practical Advice
Learn reliable earthquake knowledge.
Avoid spreading unverified rumors.
Rely on the national seismic network and reputable media.
Stay calm and adopt sensible safety measures.
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