Japan earthquakes, down to the local station
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EARTHQUAKE STATISTICS

Japan earthquake statistics for 2020

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 events1,626
Highest ShindoShindo 5+
Largest magnitudeM7.0
Events with tsunami status2
Average magnitude3.4
Average depth30.9 km

The JISHINDESU catalogue contains 1,626 events for this period. The largest was M7.0, 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

  • Jan114
  • Feb100
  • Mar139
  • Apr195
  • May201
  • Jun120
  • Jul163
  • Aug112
  • Sep128
  • Oct111
  • Nov94
  • Dec149
EARTHQUAKE STATISTICS

Events by maximum Shindo

  • Shindo 11055 · 64.9%
  • Shindo 2407 · 25%
  • Shindo 3118 · 7.3%
  • Shindo 438 · 2.3%
  • Shindo 5−6 · 0.4%
  • Shindo 5+1 · 0.1%
EARTHQUAKE STATISTICS

Largest events by magnitude

Place names follow the available source or romanised name.

  1. Shindo4Off the southeast Coast of Etorofu IslandM7.0160 km
  2. Shindo4Off the west Coast of Ogasawara IslandsM6.9490 km
  3. Shindo5−Off the east Coast of Aomori PrefectureM6.310 km
  4. Shindo2the vicinity of TaiwanM6.380 km
  5. Shindo4Off the northwest Coast of Amami- Oshima IslandM6.3160 km
  6. Shindo2Off the east Coast of Ogasawara IslandsM6.210 km
  7. Shindo5−Off the east Coast of Chiba PrefectureM6.230 km
  8. Shindo4Off the Coast of Miyagi PrefectureM6.140 km
  9. Shindo4Off the Coast of Miyagi PrefectureM6.150 km
  10. Shindo3Off the east Coast of Hachijojima IslandM6.070 km