EARTHQUAKE STATISTICS

Japan earthquake statistics for May 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 events146

Highest ShindoShindo 5+

Largest magnitudeM6.6

Events with tsunami status0

Average magnitude3.5

Average depth35.0 km

The JISHINDESU catalogue contains 146 events for this period. The largest was M6.6, with maximum Shindo 5+.

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

May 18
May 22
May 39
May 43
May 54
May 65
May 76
May 83
May 96
May 1010
May 113
May 123
May 132
May 1412
May 158
May 168
May 173
May 181
May 194
May 203
May 218
May 226
May 232
May 246
May 254
May 263
May 274
May 281
May 294
May 304
May 311

EARTHQUAKE STATISTICS

Events by maximum Shindo

Shindo 196 · 65.8%
Shindo 235 · 24%
Shindo 311 · 7.5%
Shindo 43 · 2.1%
Shindo 5+1 · 0.7%

EARTHQUAKE STATISTICS

Largest events by magnitude

Place names follow the available source or romanised name.