M 8.1 - 2021 Kermadec Islands, New Zealand Earthquake
March 4, 2021 at 19:28:33 UTC
Depth: 28.93 km (Shallow)
Great
PAGER Alert
Tsunami
Felt Reports
Event Details
| Magnitude | 8.1 mww |
| Depth | 28.93 km (Shallow) |
| Location | -29.7228S, 177.2794W |
| Community Intensity | IX (Violent) |
| Mercalli Intensity | VIII (Severe) |
| Felt Reports (DYFI) | 13 people |
| Alert Level (PAGER) | Green — No fatalities or damage expected |
| Tsunami Warning | Yes |
| Significance | 1021 / 3000 |
| Status | Reviewed |
| Network | us |
| USGS Event Page | View on USGS → |
Frequently Asked Questions
What does magnitude 8.1 mean?
A magnitude 8.1 earthquake is classified as "Great". Great earthquakes can cause devastating damage over very large areas.
How deep was this earthquake?
This earthquake occurred at a depth of 28.93 km, classified as "Shallow". Shallow earthquakes tend to cause more damage at the surface.
Nearby Recent Earthquakes
south of the Kermadec Islands
5 years ago · 11.00 km deep
south of the Kermadec Islands
5 years ago · 10.00 km deep
south of the Kermadec Islands
4 years ago · 10.00 km deep
south of the Kermadec Islands
5 years ago · 10.00 km deep
south of the Kermadec Islands
5 years ago · 10.00 km deep
south of the Kermadec Islands
4 years ago · 10.00 km deep
Kermadec Islands region
4 years ago · 10.00 km deep
south of the Kermadec Islands
4 years ago · 10.00 km deep
south of the Kermadec Islands
4 years ago · 10.00 km deep
Kermadec Islands region
5 years ago · 10.00 km deep
More M8.0-9.0 Earthquakes
2025 Kamchatka Peninsula, Russia Earthquake
7 months ago · 35.00 km deep
2021 South Sandwich Islands Earthquake
4 years ago · 22.79 km deep
2021 Chignik, Alaska Earthquake
4 years ago · 35.00 km deep
78 km NE of Navarro, Peru
6 years ago · 122.57 km deep
2018 Fiji Earthquake
7 years ago · 600.00 km deep
2017 Tehuantepec, Mexico Earthquake
8 years ago · 47.39 km deep
48 km W of Illapel, Chile
10 years ago · 22.44 km deep
93 km NW of Iquique, Chile
11 years ago · 25.00 km deep
Data from the USGS Earthquake Hazards Program (ComCat). QuakeScan is not affiliated with the USGS. Event details may be updated as new data becomes available.