> modest and shallow mb 4.6 Earthquake in Chiba, Japan

01/29/2026 - Earthquake in Chiba, Japan

Event Characteristics
CEDIM Karlsruhe Institute of Technology
Date & Time Jan. 29, 2026, 2:47 a.m.
Magnitude mb 4.6
Latitude 35.02 °N
Longitude 139.93 °E
Depth 30 km
Last Update 2026-01-29
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Main shock
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2 aftershocks
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Affected Population