December 5, 2018 at 21:09:00 JST
Off the Coast of Ibaraki Prefecture · M4.7 · Shindo 1
茨城県沖
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 |
|---|---|---|---|
| 1 | Hitachi City日立市助川小学校 | Ibaraki | 116.6 km |
| 1 | Tokai Village東海村東海 | Ibaraki | 120.8 km |
| 1 | Iwaki Cityいわき市三和町 | Fukushima | 132.9 km |
| 1 | Mito City水戸市内原町 | Ibaraki | 138.4 km |
| 1 | Kasama City笠間市石井 | Ibaraki | 149.3 km |
| 1 | Tsuchiura City土浦市常名 | Ibaraki | 155.3 km |
| 1 | Asakawa Town浅川町浅川 | Fukushima | 158.8 km |
| 1 | Tamakawa Village玉川村小高 | Fukushima | 167.0 km |
| 1 | Shirakawa City白河市新白河 | Fukushima | 177.8 km |
| 1 | Tenei Village天栄村下松本 | Fukushima | 181.8 km |
| 1 | Otama Village大玉村南小屋 | Fukushima | 197.6 km |
| 1 | Konan, Koriyama City郡山市湖南町 | Fukushima | 199.5 km |
| 1 | Shibukawa City渋川市赤城町 | Gunma | 257.8 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: December 5, 2018 at 21:13:00Received: July 31, 2026 at 00:34:39
- P2PQUAKEIssued: December 5, 2018 at 21:13:00Received: July 31, 2026 at 00:34:39
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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 →