May 20, 2023 at 23:11:00 JST
Off the southeast Coast of Chiba Prefecture · M4.2 · Shindo 2
千葉県南東沖
Off the southeast Coast of Chiba Prefecture earthquake history →
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 |
|---|---|---|---|
| 2 | Kamogawa City鴨川市横渚 | Chiba | 24.9 km |
| 2 | Kamogawa City鴨川市八色 | Chiba | 25.4 km |
| 2 | Minamiboso City南房総市白浜町白浜 | Chiba | 27.4 km |
| 2 | Katsuura City勝浦市新官 | Chiba | 29.8 km |
| 2 | Tateyama City館山市長須賀 | Chiba | 32.1 km |
| 2 | Tateyama City館山市北条 | Chiba | 32.1 km |
| 2 | Yokohama Naka Ward横浜中区山手町 | Kanagawa | 77.9 km |
| 2 | Hadano City秦野市曽屋 | Kanagawa | 104.6 km |
| 2 | Higashiizu Town東伊豆町奈良本 | Shizuoka | 105.5 km |
| 2 | Izu City伊豆市中伊豆グラウンド | Shizuoka | 109.1 km |
| 1 | Minamiboso City南房総市千倉町瀬戸 | Chiba | 23.7 km |
| 1 | Kamogawa City鴨川市天津 | Chiba | 24.8 km |
| 1 | Minamiboso City南房総市岩糸 | Chiba | 25.6 km |
| 1 | Kamogawa City鴨川市内浦 | Chiba | 28.8 km |
| 1 | Katsuura City勝浦市墨名 | Chiba | 29.5 km |
| 1 | Minamiboso City南房総市谷向 | Chiba | 31.0 km |
| 1 | Minamiboso City南房総市富浦町青木 | Chiba | 36.4 km |
| 1 | Otaki Town大多喜町大多喜 | Chiba | 43.5 km |
| 1 | Kimitsu City君津市久留里市場 | Chiba | 45.9 km |
| 1 | Mutsuzawa Town睦沢町下之郷 | Chiba | 52.2 km |
| 1 | Chonan Town長南町総合グラウンド | Chiba | 53.9 km |
| 1 | Futtsu City富津市下飯野 | Chiba | 54.1 km |
| 1 | Ichinomiya Town一宮町一宮 | Chiba | 54.5 km |
| 1 | Kimitsu City君津市久保 | Chiba | 55.0 km |
| 1 | Kisarazu City木更津市富士見 | Chiba | 59.1 km |
| 1 | Miura City三浦市城山町 | Kanagawa | 59.3 km |
| 1 | Ichihara City市原市姉崎 | Chiba | 64.7 km |
| 1 | Yokohama Kanazawa Ward横浜金沢区白帆 | Kanagawa | 73.1 km |
| 1 | Yokohama Isogo Ward横浜磯子区洋光台 | Kanagawa | 75.6 km |
| 1 | Yokohama Naka Ward横浜中区山吹町 | Kanagawa | 79.3 km |
| 1 | 東京国際空港 | Tokyo | 79.3 km |
| 1 | Yokohama Kanagawa Ward横浜神奈川区広台太田町 | Kanagawa | 82.7 km |
| 1 | Kawasaki Kawasaki-ku Miyamae-cho川崎川崎区宮前町 | Kanagawa | 82.9 km |
| 1 | Chiba Mihama Ward千葉美浜区ひび野 | Chiba | 83.7 km |
| 1 | Ota City東京大田区本羽田 | Tokyo | 83.9 km |
| 1 | Chigasaki City茅ヶ崎市茅ヶ崎 | Kanagawa | 87.2 km |
| 1 | Fujisawa City藤沢市長後 | Kanagawa | 88.0 km |
| 1 | Kawasaki Nakahara-ku Kosugimachi川崎中原区小杉町 | Kanagawa | 90.0 km |
| 1 | Kawasaki Nakahara Ward川崎中原区小杉陣屋町 | Kanagawa | 90.9 km |
| 1 | Minato City東京港区海岸 | Tokyo | 91.4 km |
| 1 | Hiratsuka City平塚市浅間町 | Kanagawa | 91.8 km |
| 1 | Minato City東京港区白金 | Tokyo | 92.6 km |
| 1 | Setagaya City東京世田谷区中町 | Tokyo | 93.3 km |
| 1 | Yokohama Midori Ward横浜緑区十日市場町 | Kanagawa | 94.0 km |
| 1 | Ebina City海老名市大谷 | Kanagawa | 95.0 km |
| 1 | Setagaya City東京世田谷区三軒茶屋 | Tokyo | 95.2 km |
| 1 | Shibuya City東京渋谷区宇田川町 | Tokyo | 95.8 km |
| 1 | Chiyoda City東京千代田区大手町 | Tokyo | 96.3 km |
| 1 | Setagaya City東京世田谷区世田谷 | Tokyo | 97.1 km |
| 1 | Atsugi City厚木市中町 | Kanagawa | 97.2 km |
| 1 | Shibuya City東京渋谷区本町 | Tokyo | 98.6 km |
| 1 | Nakai Town中井町比奈窪 | Kanagawa | 101.3 km |
| 1 | Chofu City調布市西つつじヶ丘 | Tokyo | 102.0 km |
| 1 | Suginami City東京杉並区高井戸 | Tokyo | 102.3 km |
| 1 | Atami City熱海市網代 | Shizuoka | 102.4 km |
| 1 | Nakano City東京中野区中野 | Tokyo | 102.4 km |
| 1 | Yugawara Town湯河原町中央 | Kanagawa | 103.4 km |
| 1 | Machida City町田市忠生 | Tokyo | 104.2 km |
| 1 | 東京府中市朝日町 | Tokyo | 105.5 km |
| 1 | Atami City熱海市中央町 | Shizuoka | 105.5 km |
| 1 | Hadano City秦野市平沢 | Kanagawa | 105.5 km |
| 1 | Kiyokawa Village清川村煤ヶ谷 | Kanagawa | 105.6 km |
| 1 | Nerima City東京練馬区豊玉北 | Tokyo | 105.8 km |
| 1 | Hakone Town箱根町湯本 | Kanagawa | 106.0 km |
| 1 | Koganei City小金井市本町 | Tokyo | 109.2 km |
| 1 | Nerima City東京練馬区東大泉 | Tokyo | 109.4 km |
| 1 | Nishitokyo City西東京市中町 | Tokyo | 109.9 km |
| 1 | Minamiashigara City南足柄市関本 | Kanagawa | 110.6 km |
| 1 | Kokubunji City国分寺市泉町 | Tokyo | 110.8 km |
| 1 | Kawazu Town河津町田中 | Shizuoka | 111.8 km |
| 1 | Hino City日野市神明 | Tokyo | 112.2 km |
| 1 | Kokubunji City国分寺市戸倉 | Tokyo | 112.3 km |
| 1 | Kodaira City小平市小川町 | Tokyo | 113.0 km |
| 1 | Sayama City狭山市入間川 | Saitama | 127.5 km |
| 1 | Oyama Town小山町須走 | Shizuoka | 131.5 km |
| 1 | Fujikawaguchiko Town富士河口湖町船津 | Yamanashi | 147.1 km |
| 1 | Fujinomiya City富士宮市野中 | Shizuoka | 150.0 km |
| 1 | Fujikawa Town富士川町鰍沢 | Yamanashi | 173.6 km |
| 1 | 山梨北杜市長坂町 | Yamanashi | 195.7 km |
| 1 | 横浜青葉区榎が丘 | Kanagawa | — |
| 1 | 相模原中央区水郷田名 | Kanagawa | — |
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: May 20, 2023 at 23:15:13Received: July 31, 2026 at 00:25:27
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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.
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 →