Minor mag. 3.9 earthquake - South Pacific Ocean, New Zealand, on Saturday, May 28, 2022 at 5:18 pm (GMT +12) -
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Minor magnitude 3.9 earthquake at 240 km depth
28 May 05:21 UTC: First to report: GEONET (NZ) after 3 minutes.
28 May 05:23: Magnitude recalculated from 3.7 to 3.6. Hypocenter depth recalculated from 239.5 to 286.7 km (from 149 to 178 mi). Epicenter location corrected by 75 km (46 mi) towards SE.
28 May 05:31: Magnitude recalculated from 3.6 to 3.9. Hypocenter depth recalculated from 286.7 to 239.5 km (from 178 to 149 mi). Epicenter location corrected by 63 km (39 mi) towards NNW.
28 May 05:23: Magnitude recalculated from 3.7 to 3.6. Hypocenter depth recalculated from 239.5 to 286.7 km (from 149 to 178 mi). Epicenter location corrected by 75 km (46 mi) towards SE.
28 May 05:31: Magnitude recalculated from 3.6 to 3.9. Hypocenter depth recalculated from 286.7 to 239.5 km (from 178 to 149 mi). Epicenter location corrected by 63 km (39 mi) towards NNW.
Earthquake details
Date & time | May 28, 2022 05:18:13 UTC - |
Local time at epicenter | Saturday, May 28, 2022 at 5:18 pm (GMT +12) |
Status | Confirmed |
Magnitude | 3.9 |
Depth | 239.5 km |
Epicenter latitude / longitude | 35.07662°S / 178.46004°E ![]() |
Antipode | 35.077°N / 1.54°W |
Shaking intensity | Not felt |
Primary data source | GEONET (NZ) (Earthquake Commission and Geological Survey, New Zealand) |
Nearest volcano | Rumble II West (31 km / 19 mi) |
Nearby towns and cities | 762 km (473 mi) NNE of Wellington (pop: 381,900) | Show on map | Quakes nearby |
Weather at epicenter at time of quake | Broken Clouds ![]() |
Estimated seismic energy released | 4.5 x 1010 joules (12.4 megawatt hours, equivalent to 10.7 tons of TNT) | about seismic energy |
Data for the same earthquake reported by different agencies
Info: The more agencies report about the same quake and post similar data, the more confidence you can have in the data. It takes normally up to a few hours until earthquake parameters are calculated with near-optimum precision.
Mag. | Depth | Location | Source |
3.9 | 240 km | New Zealand | GEONET (NZ) |
3.6 | 287 km | New Zealand: 3.6 OFF E. COAST OF N. ISLAND, N.Z. | EMSC |
User reports for this quake
User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.
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