EARTHQUAKE STATISTICS

Japan earthquake statistics for December 2017

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 events141

Highest ShindoShindo 4

Largest magnitudeM5.4

Events with tsunami status0

Average magnitude3.3

Average depth34.7 km

The JISHINDESU catalogue contains 141 events for this period. The largest was M5.4, 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

Dec 13
Dec 27
Dec 36
Dec 45
Dec 52
Dec 65
Dec 77
Dec 83
Dec 91
Dec 108
Dec 113
Dec 124
Dec 135
Dec 145
Dec 155
Dec 163
Dec 1711
Dec 186
Dec 197
Dec 205
Dec 212
Dec 225
Dec 234
Dec 244
Dec 251
Dec 264
Dec 273
Dec 282
Dec 295
Dec 302
Dec 318

EARTHQUAKE STATISTICS

Events by maximum Shindo

Shindo 195 · 67.4%
Shindo 234 · 24.1%
Shindo 39 · 6.4%
Shindo 43 · 2.1%

EARTHQUAKE STATISTICS

Largest events by magnitude

Place names follow the available source or romanised name.