EARTHQUAKE STATISTICS

Japan earthquake statistics for July 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 events155

Highest ShindoShindo 4

Largest magnitudeM6.3

Events with tsunami status0

Average magnitude3.6

Average depth31.4 km

The JISHINDESU catalogue contains 155 events for this period. The largest was M6.3, 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

Jul 13
Jul 23
Jul 32
Jul 49
Jul 54
Jul 67
Jul 74
Jul 84
Jul 95
Jul 102
Jul 116
Jul 123
Jul 137
Jul 142
Jul 155
Jul 1611
Jul 175
Jul 1813
Jul 197
Jul 204
Jul 221
Jul 236
Jul 246
Jul 254
Jul 266
Jul 275
Jul 285
Jul 297
Jul 305
Jul 314

EARTHQUAKE STATISTICS

Events by maximum Shindo

Shindo 1104 · 67.1%
Shindo 237 · 23.9%
Shindo 39 · 5.8%
Shindo 45 · 3.2%

EARTHQUAKE STATISTICS

Largest events by magnitude

Place names follow the available source or romanised name.