Japan earthquakes, down to the local station
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EARTHQUAKE STATISTICS

Japan earthquake statistics for 2017

Catalogue events, magnitude, maximum Shindo, depth and tsunami statuses for the same reporting period.

Full periodData updated:

This is a completed period, although later additions and corrections can still revise totals.

Catalogue events1,978
Highest ShindoShindo 5+
Largest magnitudeM6.4
Events with tsunami status1
Average magnitude3.2
Average depth27.6 km

The JISHINDESU catalogue contains 1,978 events for this period. The largest was M6.4, 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

  • Jan150
  • Feb144
  • Mar155
  • Apr177
  • May160
  • Jun212
  • Jul171
  • Aug202
  • Sep185
  • Oct140
  • Nov141
  • Dec141
EARTHQUAKE STATISTICS

Events by maximum Shindo

  • Shindo 11282 · 64.8%
  • Shindo 2516 · 26.1%
  • Shindo 3140 · 7.1%
  • Shindo 432 · 1.6%
  • Shindo 5−4 · 0.2%
  • Shindo 5+4 · 0.2%
EARTHQUAKE STATISTICS

Largest events by magnitude

Place names follow the available source or romanised name.

  1. Shindo3Adjacent Sea of Miyakojima IslandM6.410 km
  2. Shindo1Weatern Sea of JapanM6.3590 km
  3. Shindo3Off the east Coast of Hachijojima IslandM6.220 km
  4. Shindo1Off the east Coast of Hachijojima IslandM6.110 km
  5. Shindo3Off the west Coast of Ogasawara IslandsM6.1460 km
  6. Shindo2Off the Coast of Fukushima PrefectureM6.010 km
  7. Shindo4Off the Coast of Iwate PrefectureM6.030 km
  8. Shindo5−Off the Coast of Fukushima PrefectureM5.950 km
  9. Shindo2Off the Coast of SanrikuM5.910 km
  10. Shindo1Adjacent Sea of Ioto IslandM5.910 km