Strong mag. 5.0 earthquake - South Pacific Ocean, 232 km southwest of Apia, Tuamasaga, Samoa, on Tuesday, 23 Feb 2021 2:24 am (GMT +13) -
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Strong magnitude 5.0 earthquake at 10 km depth
22 Feb 13:45 UTC: First to report: GeoAu after 21 minutes.
22 Feb 13:49: Hypocenter depth recalculated from 0.0 to 10.0 km (from 0 to 6.2 mi). Epicenter location corrected by 17 km (10.7 mi) towards SW.
22 Feb 14:17: Epicenter location corrected by 7.7 km (4.8 mi) towards ENE.
22 Feb 13:49: Hypocenter depth recalculated from 0.0 to 10.0 km (from 0 to 6.2 mi). Epicenter location corrected by 17 km (10.7 mi) towards SW.
22 Feb 14:17: Epicenter location corrected by 7.7 km (4.8 mi) towards ENE.
Date & time: 22 Feb 2021 13:24:15 UTC -
Local time at epicenter: Tuesday, 23 Feb 2021 2:24 am (GMT +13)
Magnitude: 5
Depth: 10.0 km
Epicenter latitude / longitude: 15.166°S / 173.427°W
(South Pacific Ocean, Samoa)Nearest volcano: West Mata (29 km / 18 mi)
Nearby towns and cities:
198 km (123 mi) SW of Vailoa (pop: 769) --> See nearby quakes!
202 km (125 mi) SSW of Asau (pop: 6,640) --> See nearby quakes!
211 km (131 mi) SW of Mulifanua (pop: 4,510) --> See nearby quakes!
220 km (137 mi) SSW of Safotu (pop: 1,210) --> See nearby quakes!
228 km (142 mi) SW of Afega (Malie) (pop: 1,900) --> See nearby quakes!
232 km (144 mi) SW of Apia (pop: 40,400) --> See nearby quakes!
244 km (151 mi) SW of Lufilufi (pop: 1,070) --> See nearby quakes!
305 km (190 mi) WSW of Tāfuna (Tualauta, American Samoa) (pop: 11,000) --> See nearby quakes!
309 km (192 mi) WSW of Pago Pago (Ma'Oputasi, American Samoa) (pop: 11,500) --> See nearby quakes!
363 km (225 mi) SE of Mata-Utu (Hahake, Wallis & Futuna) (pop: 1,200) --> See nearby quakes!
Weather at epicenter at time of quake:
Very Heavy Rain
25.1°C (77 F), humidity: 94%, wind: 2 m/s (4 kts) from N
Primary data source: GeoAu (Geoscience Australia )Very Heavy Rain
25.1°C (77 F), humidity: 94%, wind: 2 m/s (4 kts) from NEstimated released energy: 2 x 1012 joules (554 megawatt hours, equivalent to 477 tons of TNT) More info
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.
| Magnitude | Depth | Location | Source |
| M 5.0 | 10 km | Tonga Islands, Samoa | GeoAu |
| M 4.9 | 10 km | TONGA, Samoa | EMSC |
| M 5.0 | 10 km | 124 Km NE of Hihifo, Tonga, Samoa | USGS |
| M 5.0 | 10 km | Tonga Islands, Samoa | GFZ |
User reports for this quake
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So far, no aftershocks have been registered.
Aftershocks
More info
Recorded aftershocks, latest first (0 quakes):So far, no aftershocks have been registered.
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