February 1, 2021 at 23:30:00 JST
Northern Tokushima Prefecture · M4.0 · Shindo 3
徳島県北部
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 |
|---|---|---|---|
| 3 | Sanagochi Village佐那河内村下 | Tokushima | 4.8 km |
| 3 | Katsuura Town勝浦町久国 | Tokushima | 7.8 km |
| 3 | Tokushima City徳島市津田町 | Tokushima | 8.6 km |
| 3 | Tokushima City徳島市新蔵町 | Tokushima | 9.5 km |
| 3 | Ishii Town石井町高川原 | Tokushima | 9.5 km |
| 3 | Tokushima City徳島市大和町 | Tokushima | 10.2 km |
| 3 | Anan City阿南市山口町 | Tokushima | 17.1 km |
| 3 | Koyadaira, Mima City美馬市木屋平 | Tokushima | 27.9 km |
| 2 | Komatsushima City小松島市横須町 | Tokushima | 8.4 km |
| 2 | Kamiyama Town神山町神領 | Tokushima | 14.3 km |
| 2 | Yoshinogawa City吉野川市鴨島町 | Tokushima | 15.0 km |
| 2 | Kitajima Town北島町中村 | Tokushima | 15.1 km |
| 2 | Naka Town那賀町和食 | Tokushima | 15.5 km |
| 2 | Kamikatsu Town上勝町旭 | Tokushima | 16.8 km |
| 2 | Yoshinogawa City吉野川市川島町 | Tokushima | 19.6 km |
| 2 | Naka Town那賀町延野 | Tokushima | 20.1 km |
| 2 | Yoshinogawa City吉野川市美郷 | Tokushima | 22.4 km |
| 2 | Naka Town那賀町横石 | Tokushima | 23.2 km |
| 2 | Naruto City鳴門市鳴門町 | Tokushima | 24.4 km |
| 2 | Higashikagawa City東かがわ市南野 | 香川県 | 24.7 km |
| 2 | Minami Town美波町西の地 | Tokushima | 26.8 km |
| 2 | Minamiawaji City南あわじ市福良 | Hyogo | 34.8 km |
| 2 | 鳴門市撫養町 | Tokushima | — |
| 1 | Anan City阿南市羽ノ浦町 | Tokushima | 12.4 km |
| 1 | Aizumi Town藍住町奥野 | Tokushima | 14.4 km |
| 1 | Kamiita Town上板町七條 | Tokushima | 15.7 km |
| 1 | Anan City阿南市那賀川町 | Tokushima | 15.8 km |
| 1 | Itano Town板野町大寺 | Tokushima | 16.0 km |
| 1 | Matsushige Town松茂町広島 | Tokushima | 16.2 km |
| 1 | Awa City阿波市吉野町 | Tokushima | 16.3 km |
| 1 | Anan City阿南市富岡町 | Tokushima | 16.5 km |
| 1 | Awa City阿波市土成町 | Tokushima | 19.9 km |
| 1 | Awa City阿波市市場町 | Tokushima | 21.8 km |
| 1 | Naka Town那賀町上那賀 | Tokushima | 24.3 km |
| 1 | Yoshinogawa City吉野川市山川町 | Tokushima | 25.5 km |
| 1 | Awa City阿波市阿波町 | Tokushima | 25.6 km |
| 1 | Naka Town那賀町木沢 | Tokushima | 27.2 km |
| 1 | Higashikagawa City東かがわ市湊 | 香川県 | 29.6 km |
| 1 | Minami Town美波町奥河内 | Tokushima | 30.2 km |
| 1 | 美馬市穴吹町 | Tokushima | 31.0 km |
| 1 | Higashikagawa City東かがわ市西村 | 香川県 | 32.2 km |
| 1 | 美馬市穴吹ふれスポ公園 | Tokushima | 32.5 km |
| 1 | Minamiawaji City南あわじ市北阿万 | Hyogo | 34.9 km |
| 1 | Mugi Town牟岐町中村 | Tokushima | 37.3 km |
| 1 | Naka Town那賀町木頭和無田 | Tokushima | 37.7 km |
| 1 | Sanuki Cityさぬき市津田町 | 香川県 | 38.7 km |
| 1 | Sanuki Cityさぬき市長尾総合公園 | 香川県 | 39.8 km |
| 1 | Sanuki Cityさぬき市寒川町 | 香川県 | 40.2 km |
| 1 | つるぎ町貞光 | Tokushima | 40.9 km |
| 1 | Ichiu, Tsurugi Townつるぎ町一宇 | Tokushima | 41.0 km |
| 1 | つるぎ町半田 | Tokushima | 43.5 km |
| 1 | Kaiyo Town海陽町大里 | Tokushima | 46.5 km |
| 1 | Minamiawaji City南あわじ市広田 | Hyogo | 46.8 km |
| 1 | Kaiyo Town海陽町宍喰浦 | Tokushima | 51.2 km |
| 1 | Sumoto City洲本市物部 | Hyogo | 51.4 km |
| 1 | Sumoto City洲本市山手 | Hyogo | 52.7 km |
| 1 | Shodoshima Town小豆島町馬木 | 香川県 | 55.0 km |
| 1 | Takamatsu City高松市扇町 | 香川県 | 57.5 km |
| 1 | Arida City有田市初島町 | Wakayama | 58.3 km |
| 1 | Shodoshima Town小豆島町池田 | 香川県 | 58.8 km |
| 1 | Tonosho Town土庄町甲 | 香川県 | 61.2 km |
| 1 | Kainan City海南市下津 | Wakayama | 61.2 km |
| 1 | Awaji City淡路市郡家 | Hyogo | 61.3 km |
| 1 | Yuasa Town湯浅町青木 | Wakayama | 63.8 km |
| 1 | 日高川町土生 | Wakayama | 64.6 km |
| 1 | 大阪岬町深日 | 大阪府 | 68.9 km |
| 1 | Kurashiki City倉敷市下津井 | Okayama | 82.3 km |
| 1 | Setouchi City瀬戸内市邑久町 | Okayama | 82.4 km |
| 1 | Setouchi City瀬戸内市長船町 | Okayama | 85.9 km |
| 1 | Jinsekikogen Town神石高原町油木 | Hiroshima | 141.7 km |
| 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: February 1, 2021 at 23:34:00Received: July 31, 2026 at 00:29:45
- P2PQUAKEIssued: February 1, 2021 at 23:34:00Received: July 31, 2026 at 00:29:45
- P2PQUAKEIssued: February 1, 2021 at 23:33:00Received: July 31, 2026 at 00:29:45
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 →