August 18, 2017 at 20:38:00 JST
Off the Coast of Ibaraki Prefecture · M4.0 · Shindo 2
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 |
|---|---|---|---|
| 2 | Takahagi City高萩市安良川 | Ibaraki | 36.9 km |
| 2 | Tokai Village東海村東海 | Ibaraki | 49.6 km |
| 1 | Hitachi City日立市十王町友部 | Ibaraki | 38.6 km |
| 1 | Hitachi City日立市助川小学校 | Ibaraki | 40.3 km |
| 1 | Hitachinaka Cityひたちなか市南神敷台 | Ibaraki | 52.7 km |
| 1 | Hitachinaka Cityひたちなか市山ノ上町 | Ibaraki | 54.3 km |
| 1 | Hitachinaka Cityひたちなか市東石川 | Ibaraki | 54.9 km |
| 1 | Oarai Town大洗町磯浜町 | Ibaraki | 56.0 km |
| 1 | Mito City水戸市金町 | Ibaraki | 61.6 km |
| 1 | Hitachiomiya City常陸大宮市北町 | Ibaraki | 62.0 km |
| 1 | Hitachiomiya City常陸大宮市山方 | Ibaraki | 62.7 km |
| 1 | Mito City水戸市千波町 | Ibaraki | 63.6 km |
| 1 | Shirosato Town城里町石塚 | Ibaraki | 65.8 km |
| 1 | Hitachiomiya City常陸大宮市上小瀬 | Ibaraki | 69.8 km |
| 1 | Hitachiomiya City常陸大宮市野口 | Ibaraki | 69.9 km |
| 1 | Mito City水戸市内原町 | Ibaraki | 71.5 km |
| 1 | Hokota City鉾田市汲上 | Ibaraki | 73.1 km |
| 1 | Kasama City笠間市中央 | Ibaraki | 76.9 km |
| 1 | Omitama City小美玉市堅倉 | Ibaraki | 78.2 km |
| 1 | Kasama City笠間市下郷 | Ibaraki | 79.9 km |
| 1 | Kasama City笠間市笠間 | Ibaraki | 80.0 km |
| 1 | Kasama City笠間市石井 | Ibaraki | 80.5 km |
| 1 | Tsuchiura City土浦市常名 | Ibaraki | 98.5 km |
| 1 | Chikusei City筑西市門井 | Ibaraki | 100.5 km |
| 1 | 高萩市下手綱 | Ibaraki | — |
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 18, 2017 at 20:42:00Received: July 31, 2026 at 00:37:49
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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 →