21 Apr 2026, 18:44 UTC · Apr 21, 2:44 PM ET · PAGER green
M5.5 earthquake 121 km E of Noda, Japan
A magnitude 5.5 earthquake struck 121 km E of Noda, Japan at Apr 21, 2:44 PM ET, 16 km deep, moderate – felt widely, some damage to weak buildings.
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under 33–44–55–66+
| Magnitude | 5.5 mww |
| Time | 21 Apr 2026, 18:44 UTC |
| Location | 40.136°, 143.248° – 121 km E of Noda, Japan |
| Depth | 16.0 km |
| Felt reports | 0 |
| Max. estimated intensity (MMI) | 3.5 |
| PAGER alert | green |
| USGS event | us6000srvu |
Within 100 km
Other earthquakes nearby this year
| Mag. | Where | When (ET) | Depth | Felt |
|---|---|---|---|---|
| 7.4 | 102 km ENE of Miyako, Japan · tsunami flag · PAGER green | Apr 20, 3:52 AM 180 d ago | 25 km | 137 reports |
| 6.9 | 35 km ENE of Noda, Japan · PAGER yellow | Jun 24, 6:30 PM 114 d ago | 34 km | 95 reports |
| 6.8 | 122 km E of Yamada, Japan · tsunami flag · PAGER green | Nov 9, 3:03 AM 342 d ago | 18 km | 26 reports |
| 6.7 | 117 km NE of Kuji, Japan · tsunami flag · PAGER green | Dec 11, 9:44 PM 309 d ago | 19 km | 21 reports |
| 6.6 | 129 km S of Honchō, Japan · PAGER green | Dec 8, 4:52 PM 312 d ago | 19 km | 4 reports |
| 6.5 | 123 km E of Yamada, Japan · PAGER green | Mar 26, 10:18 AM 204 d ago | 16 km | 8 reports |
| 6.4 | 117 km E of Yamada, Japan · PAGER green | Nov 9, 3:54 AM 341 d ago | 10 km | 13 reports |
| 6.0 | 54 km ENE of Noda, Japan · PAGER green | Jul 1, 8:08 AM 107 d ago | 35 km | 9 reports |
| 6.0 | 100 km E of Miyako, Japan · PAGER green | Apr 20, 3:56 AM 180 d ago | 35 km | – |
| 6.0 | 96 km E of Noda, Japan · PAGER green | Dec 31, 9:26 AM 289 d ago | 27 km | 2 reports |
| 6.0 | 127 km S of Honchō, Japan · PAGER green | Dec 8, 1:56 PM 312 d ago | 23 km | 1 report |
| 6.0 | 129 km E of Yamada, Japan · PAGER green | Nov 10, 2:23 AM 341 d ago | 11 km | 5 reports |
FAQ
About this earthquake
How strong was the 121 km E of Noda, Japan earthquake?
Magnitude 5.5 (mww), moderate – felt widely, some damage to weak buildings. Depth 16 km. Strongest estimated shaking: intensity 3.5 on the Modified Mercalli scale.
Was it felt?
No felt reports have been submitted to the USGS so far.
Were there aftershocks?
No earthquakes within 100 km have followed so far in our records.
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Source: U.S. Geological Survey (USGS) earthquake catalog, real-time feeds and FDSN event service; magnitudes and locations are revised by seismologists for hours after an event. Times are Eastern (ET) unless marked UTC. Not an alert service: for warnings follow local authorities and tsunami centers.