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Moderate mag. 4.5 earthquake - Orange Free State, 13 km east of Orkney, South Africa, on 2016-10-31 07:59:20 +02:00

Moderate mag. 4.5 earthquake - Orange Free State, 13 km east of Orkney, South Africa, on 2016-10-31 07:59:20 +02:00 Moderate mag. 4.5 earthquake - Orange Free State, 13 km east of Orkney, South Africa, on 2016-10-31 07:59:20 +02:00

Moderate magnitude 4.5 earthquake at 5 km depth

31 Oct 22:20 UTC: First to report: USGS after 16 hours.

Earthquake details

Date & timeOct 31, 2016 05:59:20 UTC
Local time at epicenter2016-10-31 07:59:20 +02:00
StatusConfirmed
Magnitude4.5
Depth5.0 km
Epicenter latitude / longitude26.9581°S / 26.804°E (Orange Free State, South Africa)
Antipode26.958°N / 153.196°W
Shaking intensityModerate shaking near epicenter
Felt0 reports
Primary data sourceUSGS (United States Geological Survey)
Nearby towns and cities13 km (8 mi) SSE of Stilfontein (North-West) (pop: 93,100) | Show on map | Quakes nearby
13 km (8 mi) E of Orkney (North-West) (pop: 145,800) | Show on map | Quakes nearby
18 km (11 mi) SE of Klerksdorp (North-West) (pop: 178,900) | Show on map | Quakes nearby
31 km (19 mi) NNW of Viljoenskroon (pop: 55,000) | Show on map | Quakes nearby
40 km (25 mi) SW of Potchefstroom (North-West) (pop: 123,700) | Show on map | Quakes nearby
51 km (32 mi) NNE of Bothaville (pop: 71,900) | Show on map | Quakes nearby
130 km (81 mi) SW of Soweto (Gauteng) (pop: 1,695,000) | Show on map | Quakes nearby
149 km (93 mi) SW of Johannesburg (Gauteng) (pop: 2,026,500) | Show on map | Quakes nearby
193 km (120 mi) SW of Pretoria (Gauteng) (pop: 1,619,400) | Show on map | Quakes nearby
247 km (154 mi) NNE of Bloemfontein (pop: 463,100) | Show on map | Quakes nearby
Estimated seismic energy released3.5 x 1011 joules (98.6 megawatt hours, equivalent to 84.8 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.DepthLocationSource
4.55 km- 13km E of Orkney, South AfricaUSGS

User reports for this quake

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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