Japan earthquake statistics for August 2021
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 events147
Highest ShindoShindo 4
Largest magnitudeM6.2
Events with tsunami status0
Average magnitude3.6
Average depth32.4 km
The JISHINDESU catalogue contains 147 events for this period. The largest was M6.2, 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
EARTHQUAKE STATISTICS
Events by maximum Shindo
EARTHQUAKE STATISTICS
Largest events by magnitude
Place names follow the available source or romanised name.
- Shindo3the vicinity of TaiwanM6.240 km
- Shindo3Off the Coast of Ibaraki PrefectureM6.040 km
- Shindo2Off the Coast of Ibaraki PrefectureM5.830 km
- Shindo2the vicinity of TaiwanM5.640 km
- Shindo2Off the Coast of Ibaraki PrefectureM5.630 km
- Shindo1Off the southeast Coast of Etorofu IslandM5.310 km
- Shindo4Off the Coast of Fukushima PrefectureM5.260 km
- Shindo1Off the southeast Coast of Etorofu IslandM5.110 km
- Shindo2Off the Coast of Ibaraki PrefectureM5.130 km
- Shindo2Off the Coast of Ibaraki PrefectureM5.020 km