> very strong and shallow mw 7.4 Earthquake offshore Iwate, Japan

04/20/2026 - Earthquake offshore Iwate, Japan

Event Characteristics
CEDIM Karlsruhe Institute of Technology
Date & Time April 20, 2026, 7:52 a.m.
Magnitude mw 7.4
Latitude 40.03 °N
Longitude 142.97 °E
Depth 10.9 km
Last Update 2026-04-20
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Impact on Health Services

A total 14 major healthcare facilities have been affected by this event.

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Affected Population