Moderate mag. 4.5 earthquake - South Pacific Ocean on Wednesday, Oct 27, 2021 at 6:01 am (GMT +12) -


Moderate magnitude 4.5 earthquake at 33 km depth
26 Oct 18:05 UTC: First to report: GEONET (NZ) after 3 minutes.
26 Oct 18:07: Magnitude recalculated from 4.3 to 4.4.
26 Oct 18:10: Magnitude recalculated from 4.4 to 4.5. Hypocenter depth recalculated from 160.1 to 33.0 km (from 99 to 21 mi). Epicenter location corrected by 30 km (18 mi) towards NE.
26 Oct 18:07: Magnitude recalculated from 4.3 to 4.4.
26 Oct 18:10: Magnitude recalculated from 4.4 to 4.5. Hypocenter depth recalculated from 160.1 to 33.0 km (from 99 to 21 mi). Epicenter location corrected by 30 km (18 mi) towards NE.
Earthquake details
Date & time | Oct 26, 2021 18:01:51 UTC - |
Local time at epicenter | Wednesday, Oct 27, 2021 at 6:01 am (GMT +12) |
Status | Confirmed |
Magnitude | 4.5 |
Depth | 33.0 km |
Epicenter latitude / longitude | 34.05312°S / 179.80238°W |
Antipode | 34.053°N / 0.198°E |
Shaking intensity | Light shaking near epicenter |
Felt | 0 reports |
Primary data source | GEONET (NZ) (Earthquake Commission and Geological Survey, New Zealand) |
Nearest volcano | Brothers (138 km / 86 mi) |
Nearby towns and cities | |
Weather at epicenter at time of quake | Few Clouds ![]() |
Estimated seismic energy released | 3.5 x 1011 joules (98.6 megawatt hours, equivalent to 84.8 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 |
4.5 | 33 km | New Zealand | GEONET (NZ) |
4.3 | 160 km | 4.3 SOUTH OF KERMADEC ISLANDS | 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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