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EARTHQUAKE STATISTICS

Japan earthquake statistics for September 2026

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 events178
Highest ShindoShindo 4
Largest magnitudeM6.0
Events with tsunami status1
Average magnitude3.2
Average depth21.5 km

The JISHINDESU catalogue contains 178 events for this period. The largest was M6.0, 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

  • Sep 14
  • Sep 211
  • Sep 37
  • Sep 49
  • Sep 53
  • Sep 65
  • Sep 74
  • Sep 87
  • Sep 96
  • Sep 106
  • Sep 116
  • Sep 122
  • Sep 138
  • Sep 146
  • Sep 154
  • Sep 166
  • Sep 177
  • Sep 185
  • Sep 1910
  • Sep 203
  • Sep 2110
  • Sep 227
  • Sep 233
  • Sep 249
  • Sep 254
  • Sep 269
  • Sep 274
  • Sep 286
  • Sep 294
  • Sep 303
EARTHQUAKE STATISTICS

Events by maximum Shindo

  • Shindo 1121 · 68%
  • Shindo 241 · 23%
  • Shindo 313 · 7.3%
  • Shindo 43 · 1.7%
EARTHQUAKE STATISTICS

Largest events by magnitude

Place names follow the available source or romanised name.

  1. Shindo3Adjacent Sea of Yonagunijima IslandM6.010 km
  2. Shindo2Off the northeast Coast of Amami-Oshima IslandM5.130 km
  3. Shindo3Adjacent Sea of Amami-Oshima IslandM5.060 km
  4. Shindo4Southern Ibaraki PrefectureM4.950 km
  5. Shindo1Off the northwest Coast of Amami- Oshima IslandM4.920 km
  6. Shindo3Hyuganada SeaM4.830 km
  7. Shindo3Southern Ibaraki PrefectureM4.870 km
  8. Shindo2Off the southeast Coast of the Nemuro PeninsulaM4.750 km
  9. Shindo2Off the east Coast of Aomori PrefectureM4.730 km
  10. Shindo1Adjacent Sea of Chichijima IslandM4.610 km