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Sismo debile mag. 2.8 - 49 km a nord ovest da Rustenburg, Bojanala Platinum, North West, Sudafrica, domenica, 31 ott 2021 14:21 (GMT +2) -

Sismo debile magnitudine 2.8 a 10 km di profondità

31 Oct 12:28 UTC: Primo a segnalare: CGS dopo 7 minuti.
31 Oct 12:35: Magnitudine ricalcolata da 2.3 a 2.8.

Dettagli del sismo

Data e ora	31 Oct 2021 12:21:46 UTC -
Ora locale all'epicentro	domenica, 31 ott 2021 14:21 (GMT +2)
Status	Confermato
Magnitudine	2.8
Prof.	10.0 km
Epicentro latitudine / longitudine	25.322°S / 26.934°E (Bojanala Platinum, North West, Sudafrica)
Antipode	25.322°N / 153.066°W
Intensità di scuotimento	Scuotimento debole vicino all'epicentro
Sentito	0 rapporti
Fonte dati primaria	CGS (Council for Geoscience, South African National Seismograph Network)
Vulcano più vicino	###NEARESTVOLCANO2###
Luoghi vicini	37 km ONO da Maile (North-West) (pop: 10,000) \| Mappa \| Sismi nelle vicinanze 49 km NO da Rustenburg (North-West) (pop: 124,100) \| Mappa \| Sismi nelle vicinanze 60 km N da Koster (North-West) (pop: 12,100) \| Mappa \| Sismi nelle vicinanze 90 km ENE da Zeerust (North-West) (pop: 17,700) \| Mappa \| Sismi nelle vicinanze 92 km ONO da Brits (North-West) (pop: 122,500) \| Mappa \| Sismi nelle vicinanze 94 km SSO da Thabazimbi (Limpopo) (pop: 10,400) \| Mappa \| Sismi nelle vicinanze 120 km NO da Krugersdorp (Gauteng) (pop: 378,800) \| Mappa \| Sismi nelle vicinanze 121 km NE da Lichtenburg (North-West) (pop: 65,900) \| Mappa \| Sismi nelle vicinanze 123 km NO da Randfontein (Gauteng) (pop: 133,700) \| Mappa \| Sismi nelle vicinanze 134 km ONO da Pretoria (Gauteng) (pop: 1,619,400) \| Mappa \| Sismi nelle vicinanze
Meteo all'epicentro al momento del sismo	Clear Sky 30.2°C (86 F), humidity: 14%, wind: 2 m/s (5 kts) from WNW
Energia sismica rilasciata stimata	1 x 10⁹ joules (278 kWh, equivalent to 0.239 tons of TNT) \| about seismic energy

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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.	Prof.	Ubicazione	Fonte
2.8	10 km	South Africa Region	CGS

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Seismograms

Seismic station: Lobatse, Botswana (LBTB/GT network) | Distance from quake: 139 km / 86 mi | Show on map | Station Info

Seismic station Lobatse, Botswana: vertical movement plot around time of quake (source: IRIS/BUD)

Seismogram (vertical component) around time of quake. Thin dotted red line indicates time of quake. Seismic waves arrive some time later, depending on distance. Bandpass filter applied: 0.5-10.0 Hz. Source: IRIS Buffer of Uniform Data (BUD) webtool

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User reports for this quake

At magnitude 2.8, this quake might have been felt very close to the epicenter and under calm conditions.

User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.

There are no user reports for this quake.

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