March 7, 2021 at 12:42:00 JST
Off the Coast of Ibaraki Prefecture · M3.9 · 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 | Hitachinaka Cityひたちなか市南神敷台 | Ibaraki | 31.7 km |
| 2 | Tokai Village東海村東海 | Ibaraki | 42.1 km |
| 2 | Mito City水戸市千波町 | Ibaraki | 44.6 km |
| 2 | Hitachi City日立市助川小学校 | Ibaraki | 48.7 km |
| 2 | Takahagi City高萩市安良川 | Ibaraki | 59.1 km |
| 2 | Kitaibaraki City北茨城市磯原町 | Ibaraki | 67.9 km |
| 1 | Oarai Town大洗町磯浜町 | Ibaraki | 31.7 km |
| 1 | Hokota City鉾田市汲上 | Ibaraki | 31.7 km |
| 1 | Hitachinaka Cityひたちなか市山ノ上町 | Ibaraki | 32.2 km |
| 1 | Hokota City鉾田市造谷 | Ibaraki | 32.5 km |
| 1 | 茨城鹿嶋市宮中 | Ibaraki | 34.5 km |
| 1 | 茨城鹿嶋市鉢形 | Ibaraki | 34.5 km |
| 1 | Hokota City鉾田市鉾田 | Ibaraki | 34.8 km |
| 1 | Mito City水戸市栗崎町 | Ibaraki | 38.0 km |
| 1 | Hitachinaka Cityひたちなか市東石川 | Ibaraki | 39.2 km |
| 1 | Mito City水戸市金町 | Ibaraki | 43.7 km |
| 1 | Naka City那珂市福田 | Ibaraki | 46.8 km |
| 1 | Omitama City小美玉市小川 | Ibaraki | 48.6 km |
| 1 | Omitama City小美玉市堅倉 | Ibaraki | 49.7 km |
| 1 | Hitachi City日立市役所 | Ibaraki | 49.7 km |
| 1 | Omitama City小美玉市上玉里 | Ibaraki | 50.6 km |
| 1 | Mito City水戸市内原町 | Ibaraki | 51.7 km |
| 1 | Shirosato Town城里町石塚 | Ibaraki | 56.1 km |
| 1 | Hitachi City日立市十王町友部 | Ibaraki | 56.8 km |
| 1 | Hitachiomiya City常陸大宮市北町 | Ibaraki | 58.7 km |
| 1 | Takahagi City高萩市本町 | Ibaraki | 59.0 km |
| 1 | Ishioka City石岡市柿岡 | Ibaraki | 64.0 km |
| 1 | Tsuchiura City土浦市常名 | Ibaraki | 64.8 km |
| 1 | Hitachiomiya City常陸大宮市山方 | Ibaraki | 65.5 km |
| 1 | Kitaibaraki City北茨城市中郷町 | Ibaraki | 66.1 km |
| 1 | Hitachiomiya City常陸大宮市上小瀬 | Ibaraki | 69.1 km |
| 1 | Hitachiomiya City常陸大宮市高部 | Ibaraki | 74.2 km |
| 1 | Yamatsuri Town矢祭町戸塚 | Fukushima | 87.8 km |
| 1 | Iwaki Cityいわき市三和町 | Fukushima | 100.8 km |
| 1 | Tanagura Town棚倉町棚倉中居野 | Fukushima | 103.2 km |
| 1 | Asakawa Town浅川町浅川 | Fukushima | 107.0 km |
| 1 | Tamakawa Village玉川村小高 | Fukushima | 120.3 km |
| 1 | Tenei Village天栄村下松本 | Fukushima | 131.2 km |
| 1 | 城里町小勝 | 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: March 7, 2021 at 12:45:24Received: July 31, 2026 at 00:29:25
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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.
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