EARTHQUAKE STATISTICS

Japan earthquake statistics for January 2021

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 events131

Highest ShindoShindo 4

Largest magnitudeM5.6

Events with tsunami status0

Average magnitude3.5

Average depth36.3 km

The JISHINDESU catalogue contains 131 events for this period. The largest was M5.6, 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 19
Jan 26
Jan 35
Jan 41
Jan 51
Jan 74
Jan 82
Jan 94
Jan 103
Jan 111
Jan 122
Jan 133
Jan 144
Jan 158
Jan 169
Jan 175
Jan 185
Jan 193
Jan 208
Jan 214
Jan 223
Jan 237
Jan 245
Jan 257
Jan 263
Jan 277
Jan 281
Jan 295
Jan 302
Jan 314

EARTHQUAKE STATISTICS

Events by maximum Shindo

Shindo 183 · 63.4%
Shindo 242 · 32.1%
Shindo 34 · 3.1%
Shindo 42 · 1.5%

EARTHQUAKE STATISTICS

Largest events by magnitude

Place names follow the available source or romanised name.