December 31, 2016 at 18:39:00 JST
Off the Coast of Ibaraki Prefecture · M3.9 · 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.
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| Shindo | Station | Prefecture | Distance from epicentre |
|---|---|---|---|
| 1 | Hitachi City日立市助川小学校 | Ibaraki | 13.5 km |
| 1 | Hitachiota City常陸太田市町屋町 | Ibaraki | 21.1 km |
| 1 | Tokai Village東海村東海 | Ibaraki | 25.1 km |
| 1 | Hitachinaka Cityひたちなか市南神敷台 | Ibaraki | 33.0 km |
| 1 | Hitachiomiya City常陸大宮市上小瀬 | Ibaraki | 43.0 km |
| 1 | Yamatsuri Town矢祭町戸塚 | Fukushima | 46.8 km |
| 1 | Mito City水戸市内原町 | Ibaraki | 47.6 km |
| 1 | Kasama City笠間市石井 | Ibaraki | 55.3 km |
| 1 | Nasukarasuyama City那須烏山市中央 | Tochigi | 58.4 km |
| 1 | Asakawa Town浅川町浅川 | Fukushima | 63.6 km |
| 1 | Ishioka City石岡市柿岡 | Ibaraki | 68.1 km |
| 1 | Moka City真岡市田町 | Tochigi | 72.1 km |
| 1 | Chikusei City筑西市門井 | Ibaraki | 75.2 km |
| 1 | Tsuchiura City土浦市常名 | Ibaraki | 77.7 km |
| 1 | Shirakawa City白河市新白河 | Fukushima | 79.3 km |
| 1 | Sukagawa City須賀川市八幡山 | Fukushima | 84.6 km |
| 1 | Chikusei City筑西市舟生 | Ibaraki | 86.9 km |
| 1 | Tamura City田村市船引町 | Fukushima | 95.3 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 31, 2016 at 18:43:00Received: July 31, 2026 at 00:39:03
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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 →