EARTHQUAKE STATISTICS

Japan earthquake statistics for April 2020

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 events195

Highest ShindoShindo 4

Largest magnitudeM6.9

Events with tsunami status0

Average magnitude3.4

Average depth29.1 km

The JISHINDESU catalogue contains 195 events for this period. The largest was M6.9, 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

Apr 15
Apr 23
Apr 35
Apr 44
Apr 55
Apr 62
Apr 74
Apr 85
Apr 94
Apr 107
Apr 112
Apr 126
Apr 133
Apr 144
Apr 152
Apr 168
Apr 171
Apr 185
Apr 193
Apr 205
Apr 214
Apr 227
Apr 2321
Apr 2416
Apr 2511
Apr 2625
Apr 278
Apr 2810
Apr 293
Apr 307

EARTHQUAKE STATISTICS

Events by maximum Shindo

Shindo 1127 · 65.1%
Shindo 246 · 23.6%
Shindo 316 · 8.2%
Shindo 46 · 3.1%

EARTHQUAKE STATISTICS

Largest events by magnitude

Place names follow the available source or romanised name.