JMA cancels wide-area earthquake alert, cites calculation error
Alert issued and withdrawn October 16.
IllustrationAn earthquake early warning covering Hokkaido through Tokai and other areas was cancelled around midday October 16. At its second news conference, JMA cited errors in calculations predicting magnitude and intensity.
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Alert issued and withdrawn October 16.
News details
An earthquake early warning covering Hokkaido through Tokai and other areas was cancelled around midday October 16. At its second news conference, JMA cited errors in calculations predicting magnitude and intensity.
The agency withdrew the predicted strong shaking, ruled out a cyberattack and continued investigating. The day's explanation should be distinguished from later findings.
Sources & further reading
Our own summary based on the public information below.
- TBS NEWS DIG ↗Source publication date: 2026-10-16
This is a record of information available at publication. Later reports may change the details. Check the source for current weather, safety and market information.
