August 22, 2020 at 02:32:00 JST
Northern Nagano Prefecture · M4.1 · Shindo 3
長野県北部
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.
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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 | Sakae Village栄村北信 | Nagano | 7.2 km |
| 3 | Tsunan Town津南町下船渡 | Niigata | 13.4 km |
| 3 | Tokamachi City十日町市松之山 | Niigata | 14.0 km |
| 3 | 上越市安塚区安塚 | Niigata | 15.1 km |
| 3 | Tokamachi City十日町市上山 | Niigata | 18.6 km |
| 3 | 上越市浦川原区釜淵 | Niigata | 18.8 km |
| 2 | 上越市牧区柳島 | Niigata | 13.9 km |
| 2 | 上越市大島区岡 | Niigata | 16.7 km |
| 2 | Tokamachi City十日町市松代 | Niigata | 17.4 km |
| 2 | Minamiuonuma City南魚沼市塩沢小学校 | Niigata | 31.5 km |
| 2 | Minamiuonuma City南魚沼市塩沢庁舎 | Niigata | 31.9 km |
| 2 | Nakanojo Town中之条町日影 | Gunma | 49.8 km |
| 1 | Nozawaonsen Village野沢温泉村豊郷 | Nagano | 10.4 km |
| 1 | 上越市清里区荒牧 | Niigata | 17.5 km |
| 1 | Sakae Village栄村小赤沢 | Nagano | 18.5 km |
| 1 | 上越市三和区井ノ口 | Niigata | 18.9 km |
| 1 | 上越市板倉区針 | Niigata | 19.5 km |
| 1 | Iiyama City飯山市飯山福寿町 | Nagano | 20.3 km |
| 1 | 妙高市田町 | Niigata | 22.4 km |
| 1 | 妙高市栄町 | Niigata | 22.5 km |
| 1 | 上越市中郷区藤沢 | Niigata | 24.1 km |
| 1 | 上越市大手町 | Niigata | 25.5 km |
| 1 | 上越市吉川区原之町 | Niigata | 25.7 km |
| 1 | Tokamachi City十日町市千歳町 | Niigata | 27.3 km |
| 1 | Kashiwazaki City柏崎市高柳町岡野町 | Niigata | 27.4 km |
| 1 | Tokamachi City十日町市水口沢 | Niigata | 27.8 km |
| 1 | 上越市木田 | Niigata | 28.5 km |
| 1 | Yuzawa Town湯沢町神立 | Niigata | 29.5 km |
| 1 | 上越市大潟区土底浜 | Niigata | 29.7 km |
| 1 | Yamanouchi Town山ノ内町消防署 | Nagano | 29.8 km |
| 1 | 上越市柿崎区柿崎 | Niigata | 32.6 km |
| 1 | Minamiuonuma City南魚沼市六日町 | Niigata | 34.3 km |
| 1 | Nagaoka City長岡市小国町法坂 | Niigata | 39.1 km |
| 1 | Nakanojo Town中之条町入山 | Gunma | 41.1 km |
| 1 | Minamiuonuma City南魚沼市浦佐 | Niigata | 42.2 km |
| 1 | Ojiya City小千谷市旭町 | Niigata | 43.2 km |
| 1 | Ojiya City小千谷市城内 | Niigata | 43.5 km |
| 1 | Nagaoka City長岡市東川口 | Niigata | 43.8 km |
| 1 | 魚沼市堀之内 | Niigata | 45.9 km |
| 1 | Nagaoka City長岡市山古志竹沢 | Niigata | 50.4 km |
| 1 | 魚沼市今泉 | Niigata | 51.5 km |
| 1 | 魚沼市下折立 | Niigata | 54.6 km |
| 1 | 魚沼市須原 | Niigata | 57.6 km |
| 1 | Nagaoka City長岡市上岩井 | Niigata | 59.8 km |
| 1 | Izumozaki Town出雲崎町米田 | Niigata | 62.1 km |
| 1 | Nagaoka City長岡市与板町与板 | Niigata | 65.9 km |
| 1 | Katashina Village片品村鎌田 | Gunma | 69.1 km |
| 1 | Katashina Village片品村東小川 | Gunma | 71.1 km |
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 22, 2020 at 02:36:00Received: July 31, 2026 at 00:30:40
- P2PQUAKEIssued: August 22, 2020 at 02:36:00Received: July 31, 2026 at 00:30:40
- P2PQUAKEIssued: August 22, 2020 at 02:35:00Received: July 31, 2026 at 00:30:40
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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.
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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.
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