EARTHQUAKE STATISTICS

Japan earthquake statistics for January 2023

Catalogue events, magnitude, maximum Shindo, depth and tsunami statuses for the same reporting period.

Full periodData updated: Nov 7, 2026, 11:00 JST

This is a completed period, although later additions and corrections can still revise totals.

Catalogue events129

Highest ShindoShindo 4

Largest magnitudeM6.1

Events with tsunami status0

Average magnitude3.4

Average depth35.3 km

The JISHINDESU catalogue contains 129 events for this period. The largest was M6.1, with maximum Shindo 4.

How these statistics are calculated

We count unique earthquake records in the JISHINDESU catalogue. Corrections update the same record and cancellations follow the current catalogue state. Dates use JST; averages include records where that value exists. The tsunami count covers statuses other than ‘none’.

EARTHQUAKE STATISTICS

Events through the period

Jan 12
Jan 21
Jan 36
Jan 46
Jan 52
Jan 65
Jan 74
Jan 82
Jan 91
Jan 102
Jan 114
Jan 129
Jan 136
Jan 148
Jan 158
Jan 166
Jan 175
Jan 188
Jan 195
Jan 205
Jan 215
Jan 227
Jan 232
Jan 243
Jan 255
Jan 261
Jan 275
Jan 293
Jan 302
Jan 311

EARTHQUAKE STATISTICS

Events by maximum Shindo

Shindo 189 · 69%
Shindo 229 · 22.5%
Shindo 39 · 7%
Shindo 42 · 1.6%

EARTHQUAKE STATISTICS

Largest events by magnitude

Place names follow the available source or romanised name.