Earthquake · Reviewed by USGS
M3.3 earthquake 4 km E of Waimairi Beach, New Zealand
A magnitude 3.3 earthquake struck 4 km E of Waimairi Beach, New Zealand at Apr 20, 2023, 19:31 UTC, at a depth of 17 km. The epicentre was 13 km (8 mi) ENE of Christchurch. 3 people reported feeling it to USGS.
Details
| Magnitude | 3.3 ml |
|---|---|
| Time | Apr 20, 2023, 19:31 UTC |
| Depth | 17.4 km |
| Coordinates | -43.480, 172.781 |
| Felt reports | 3 |
| Tsunami flag | None |
| Source | USGS event page |
02 — Around it
Other earthquakes within 100 km
| Magnitude | Location | Distance | Depth | Time |
|---|---|---|---|---|
| 3.6 | 34 km SSW of Leeston, New Zealand | 80 km / 49 mi | depth 10 km | |
| 2.6 | 5 km SE of Kennedys Bush, New Zealand | 22 km / 13 mi | depth 10 km | |
| 3.0 | 0 km N of Mairehau, New Zealand | 12 km / 7 mi | depth 15 km | |
| 4.4 | 39 km NW of Amberley, New Zealand | 73 km / 45 mi | depth 10 km | |
| 3.0 | 3 km ENE of Southshore, New Zealand | 7 km / 4 mi | depth 17 km | |
| 3.2 | 14 km ENE of New Brighton, New Zealand | 10 km / 6 mi | depth 19 km | |
| 4.2 | 34 km NNE of Amberley, New Zealand | 69 km / 43 mi | depth 20 km | |
| 2.9 | 4 km E of Clifton, New Zealand | 9 km / 6 mi | depth 16 km | |
| 3.2 | South Island of New Zealand | 31 km / 19 mi | depth 17 km | |
| 4.5 | South Island of New Zealand | 2 km / 1 mi | depth 17 km |
USGS can revise magnitude and location after the first report. See magnitude vs intensity and aftershocks.