EARTHQUAKE STATISTICS

Japan earthquake statistics for March 2018

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 events161

Highest ShindoShindo 5−

Largest magnitudeM6.1

Events with tsunami status0

Average magnitude3.4

Average depth28.8 km

The JISHINDESU catalogue contains 161 events for this period. The largest was M6.1, 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

Mar 19
Mar 216
Mar 33
Mar 43
Mar 53
Mar 610
Mar 71
Mar 810
Mar 94
Mar 109
Mar 114
Mar 126
Mar 136
Mar 141
Mar 154
Mar 166
Mar 174
Mar 183
Mar 193
Mar 207
Mar 211
Mar 226
Mar 234
Mar 245
Mar 256
Mar 265
Mar 274
Mar 283
Mar 296
Mar 307
Mar 312

EARTHQUAKE STATISTICS

Events by maximum Shindo

Shindo 1101 · 62.7%
Shindo 245 · 28%
Shindo 312 · 7.5%
Shindo 42 · 1.2%
Shindo 5−1 · 0.6%

EARTHQUAKE STATISTICS

Largest events by magnitude

Place names follow the available source or romanised name.