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DAILY EARTHQUAKE ARCHIVE

Earthquakes in Japan on August 16, 2026

Replay earthquakes recorded on this day at their actual occurrence times and inspect every available report.

earthquakes
17
strongest Shindo
3
largest magnitude
M5.4
Shindo 1+ events
17

Replay one day of earthquakes

2026-08-16 · JST00:00:00Pause
Shindo12345−5+6−6+7
00:0006:0012:0018:0024:00
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JISHINDESU catalogue organised from JMA and P2PQuake data. Times use JST. Points are reported epicentres and observations, not simulated wave propagation.

Reading the daily record

How to read the record for August 16, 2026

The JISHINDESU catalogue contains 17 earthquakes for this day; 17 reached maximum Shindo 1 or higher. The day's highest Shindo was 3, and its largest reported magnitude was M5.4.

Earthquake with the day's highest ShindoKumamoto Region, Kumamoto Prefecture12:04:00 JST · M3.6 · Shindo 3
01

Catalogue time, not a wave simulation

The replay reveals reports at their recorded JST origin times. Station dots show observed Shindo, but the moment they appear is not a measured seismic-wave arrival time.

02

Shindo and magnitude measure different things

Magnitude describes the earthquake at its source; Shindo describes shaking at each station. One earthquake can therefore produce different Shindo readings by location.

Shindo and magnitude explained →
03

A record can be updated later

Follow-up bulletins and corrections for the same earthquake are consolidated into one record. Each report page shows the current values and any available revision history.

Data and methodology →
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Daily record

Earthquake reports

17 earthquakes · Shindo 3 · M5.4

August 16, 2026

  1. 震度1Kumamoto Region, Kumamoto Prefecture熊本県熊本地方01:03 JSTRevision 2M2.7Depth: 10 km
  2. 震度1Kumamoto Region, Kumamoto Prefecture熊本県熊本地方01:12 JSTRevision 2M2.9Depth: 10 km
  3. 震度1Northern Ibaraki Prefecture茨城県北部02:59 JSTRevision 2M3.2Depth: 10 km
  4. 震度2Kumamoto Region, Kumamoto Prefecture熊本県熊本地方04:25 JSTRevision 2M3.4Depth: 10 km
  5. 震度1Adjacent Sea of Ioto Island硫黄島近海04:32 JSTRevision 2M5.4Depth: 130 km
  6. 震度1Off the Coast of Iwate Prefecture岩手県沖06:18 JSTRevision 2M3.7Depth: 40 km
  7. 震度1Amakusa and Ashikita Region, Kumamoto Prefecture熊本県天草・芦北地方09:30 JSTRevision 2M2.1Depth: 10 km
  8. 震度3Kumamoto Region, Kumamoto Prefecture熊本県熊本地方12:04 JSTRevision 2M3.6Depth: 10 km
  9. 震度1Kumamoto Region, Kumamoto Prefecture熊本県熊本地方13:32 JSTRevision 2M1.9Depth: 0 km
  10. 震度1Hyuganada Sea日向灘13:37 JSTRevision 2M4.1Depth: 20 km
  11. 震度1Amakusa and Ashikita Region, Kumamoto Prefecture熊本県天草・芦北地方14:03 JSTRevision 2M2.6Depth: 10 km
  12. 震度1Amakusa and Ashikita Region, Kumamoto Prefecture熊本県天草・芦北地方14:19 JSTRevision 2M2.1Depth: 10 km
  13. 震度2Amakusa and Ashikita Region, Kumamoto Prefecture熊本県天草・芦北地方18:05 JSTRevision 2M2.5Depth: 10 km
  14. 震度1Amakusanada Sea天草灘21:25 JSTRevision 2M3.3Depth: 10 km
  15. 震度1Amakusanada Sea天草灘21:42 JSTRevision 3M3.0Depth: 0 km
  16. 震度1Kumamoto Region, Kumamoto Prefecture熊本県熊本地方22:49 JSTRevision 2M2.7Depth: 10 km
  17. 震度1Amakusa and Ashikita Region, Kumamoto Prefecture熊本県天草・芦北地方23:19 JSTRevision 2M2.3Depth: 0 km