Japan earthquake statistics for December 2023
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 events144
Highest ShindoShindo 3
Largest magnitudeM6.4
Events with tsunami status0
Average magnitude3.3
Average depth36.2 km
The JISHINDESU catalogue contains 144 events for this period. The largest was M6.4, with maximum Shindo 3.
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
EARTHQUAKE STATISTICS
Events by maximum Shindo
EARTHQUAKE STATISTICS
Largest events by magnitude
Place names follow the available source or romanised name.
- Shindo3Off the southeast Coast of Etorofu IslandM6.4160 km
- Shindo1Adjacent Sea of Torishima IslandM5.3460 km
- Shindo2Off the east Coast of Chiba PrefectureM5.320 km
- Shindo1Adjacent Sea of Ioto IslandM5.3180 km
- Shindo2Off the east Coast of Chiba PrefectureM5.110 km
- Shindo1Off the southeast Coast of Mie PrefectureM5.0370 km
- Shindo2Off the east Coast of Chiba PrefectureM5.010 km
- Shindo3Off the Coast of Iwate PrefectureM4.810 km
- Shindo2Off the east Coast of Chiba PrefectureM4.820 km
- Shindo2Off the south Coast of Boso PeninsulaM4.760 km