> modest and shallow mb 4.7 Earthquake offshore Chiba, Japan

01/09/2026 - Earthquake offshore Chiba, Japan

Event Characteristics
CEDIM Karlsruhe Institute of Technology
Date & Time Jan. 9, 2026, 11:07 a.m.
Magnitude mb 4.7
Latitude 35.37 °N
Longitude 140.51 °E
Depth 30 km
Aftershocks 2
Last Update 2026-01-09
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Similar Events

Mw 5.6
Depth= 40 km
35.78°N 141.08°E

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Mon 04 May 2020, 5 years ago
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Event Series

mb 4.6
Depth= 10 km
35.03°N 140.02°E

2026/01/29 01:25, 1 month, 2 weeks ago

Thu 29 Jan 2026, 1 month ago
mb 4.6, 30 km, 35.02°N 139.93°E
Impact on Health Services

A total 37 major healthcare facilities have been affected by this event.

Impact on Energy Infrastructure

A total 0.05 GW of power generation capacity has been affected by this event.

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Impact Map
Affected Population
Impact Map
Affected Population