Places with the strongest observed Shindo
These municipalities had the highest station readings in this report. Open a place to compare this earthquake with its local history.
View local history
View local history
View local history
View local history
View local history
View local history
View local history
View local history
Shindo readings and epicentre
Each numbered marker is an actual station reading. The orange M marker shows the epicentre.
Observed Shindo by station
These are actual readings reported at JMA and partner stations, not estimates.
Scroll horizontally to see the full table.
| Shindo | Station | Prefecture | Distance from epicentre |
|---|---|---|---|
| 2 | Marugame City丸亀市新田町 | 香川県 | 4.5 km |
| 2 | Tadotsu Town多度津町栄町 | 香川県 | 5.0 km |
| 2 | Tadotsu Town多度津町家中 | 香川県 | 5.0 km |
| 2 | Kotohira Town琴平町榎井 | 香川県 | 12.3 km |
| 2 | Ayagawa Town綾川町滝宮 | 香川県 | 12.4 km |
| 2 | Mitoyo City三豊市三野町 | 香川県 | 13.0 km |
| 2 | Takamatsu City高松市国分寺町 | 香川県 | 14.7 km |
| 2 | Mitoyo City三豊市詫間町 | 香川県 | 14.9 km |
| 2 | Mitoyo City三豊市高瀬町 | 香川県 | 15.2 km |
| 2 | Ayagawa Town綾川町山田下 | 香川県 | 15.8 km |
| 2 | Kanonji City観音寺市坂本町 | 香川県 | 22.8 km |
| 1 | Marugame City丸亀市大手町 | 香川県 | 1.1 km |
| 1 | Utazu Town宇多津町役場 | 香川県 | 3.0 km |
| 1 | Sakaide City坂出市久米町 | 香川県 | 6.0 km |
| 1 | Marugame City丸亀市飯山町 | 香川県 | 7.1 km |
| 1 | Zentsuji City善通寺市文京町 | 香川県 | 7.8 km |
| 1 | Marugame City丸亀市綾歌町 | 香川県 | 10.7 km |
| 1 | Manno Townまんのう町吉野下 | 香川県 | 12.7 km |
| 1 | Kurashiki City倉敷市下津井 | Okayama | 16.7 km |
| 1 | Manno Townまんのう町生間 | 香川県 | 17.0 km |
| 1 | Mitoyo City三豊市仁尾町 | 香川県 | 18.4 km |
| 1 | Kurashiki City倉敷市児島小川町 | Okayama | 18.9 km |
| 1 | Manno Townまんのう町造田 | 香川県 | 19.1 km |
| 1 | Mitoyo City三豊市豊中町 | 香川県 | 19.5 km |
| 1 | Mitoyo City三豊市財田町 | 香川県 | 20.1 km |
| 1 | Takamatsu City高松市香南町 | 香川県 | 20.5 km |
| 1 | Mitoyo City三豊市山本町 | 香川県 | 21.0 km |
| 1 | 高松空港 | 香川県 | 21.9 km |
| 1 | Takamatsu City高松市香川町 | 香川県 | 22.2 km |
| 1 | Takamatsu City高松市扇町 | 香川県 | 22.8 km |
| 1 | Takamatsu City高松市伏石町 | 香川県 | 23.6 km |
| 1 | Takamatsu City高松市塩江町 | 香川県 | 24.7 km |
| 1 | Naoshima Town直島町役場 | 香川県 | 25.6 km |
| 1 | Kanonji City観音寺市瀬戸町 | 香川県 | 25.7 km |
| 1 | Kanonji City観音寺市大野原町 | 香川県 | 27.6 km |
| 1 | Kanonji City観音寺市豊浜町 | 香川県 | 29.5 km |
| 1 | Takamatsu City高松市庵治町 | 香川県 | 31.6 km |
| 1 | Satosho Town里庄町里見 | Okayama | 32.1 km |
| 1 | Sanuki Cityさぬき市長尾総合公園 | 香川県 | 36.3 km |
| 1 | Okayama Kita Ward岡山北区新屋敷 | Okayama | 41.2 km |
| 1 | Sanuki Cityさぬき市津田町 | 香川県 | 41.5 km |
| 1 | Shodoshima Town小豆島町馬木 | 香川県 | 50.6 km |
| 1 | 土庄町甲 | 香川県 | — |
| 1 | 玉野市宇野 | Okayama | — |
Report updates
Status, time and revision available in the stored report. Field-by-field differences may not be retained.
- Confirmed
Revision 1 · p2pquake
Sources and bulletins
Multiple source bulletins do not necessarily represent multiple corrections.
- P2PQUAKEIssued: August 20, 2021 at 05:03:25Received: July 31, 2026 at 00:28:36
Follow the next earthquake from the places that matter
Save important places, compare locally observed Shindo and receive notifications after station readings are confirmed.
- ✓Saved places
- ✓Local Shindo
- ✓Observed alerts
Understand this earthquake report
Read Shindo, magnitude and JMA information in the right context.
A guide to event and issue times, hypocentre, depth, Shindo, tsunami information, preliminary reports and corrections.
Read guide →5 min readWhat does earthquake depth mean?A plain-language guide to hypocentre depth and why shallow and deep earthquakes can feel very different.
Read guide →5 min readMagnitude vs Shindo: what is the difference?Magnitude describes the size of an earthquake at its source; Shindo describes shaking at a place. Learn why they are not interchangeable.
Read guide →6 min readCan every earthquake cause a tsunami?What creates a tsunami, why magnitude alone is not enough and when to leave the coast immediately.
Read guide →