December 31, 2021 at 04:02:00 JST
Southern Osaka Prefecture · M3.4 · Shindo 2
大阪府南部
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 |
|---|---|---|---|
| 2 | Kinokawa City紀の川市貴志川町神戸 | Wakayama | 8.9 km |
| 1 | Iwade City岩出市西野 | Wakayama | 4.5 km |
| 1 | Kinokawa City紀の川市西大井 | Wakayama | 6.4 km |
| 1 | Sennan City泉南市男里 | 大阪府 | 8.6 km |
| 1 | Hannan City阪南市尾崎町 | 大阪府 | 8.6 km |
| 1 | Kinokawa City紀の川市粉河 | Wakayama | 10.0 km |
| 1 | Wakayama City和歌山市一番丁 | Wakayama | 14.3 km |
| 1 | Wakayama City和歌山市男野芝丁 | Wakayama | 14.7 km |
| 1 | Kimino Town紀美野町下佐々 | Wakayama | 15.6 km |
| 1 | かつらぎ町丁ノ町 | Wakayama | 18.4 km |
| 1 | Hashimoto City橋本市東家 | Wakayama | 28.6 km |
| 1 | Yoshino Town吉野町上市 | Nara | 52.7 km |
| 1 | 泉南市消防本部 | 大阪府 | — |
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: December 31, 2021 at 04:05:20Received: July 31, 2026 at 00:27:51
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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 →