Overall Orange Earthquake alert in South Africa on 03 Apr 2017 03:08 UTC

GDACS is a cooperation framework between the United Nations, the European Commission and disaster managers worldwide to improve alerts, information exchange and coordination in the first phase after major sudden-onset disasters.

M 5.2 in South Africa on 03 Apr 2017 03:08 UTC

Hazard models

EQ parameters

Shakemap

Tsunami

Event summary

This earthquake is expected to have a medium humanitarian impact based on the magnitude and the affected population and their vulnerability.

Earthquake Magnitude:	5.2M
Depth:	5 Km
Lat/Lon:	-26.9219 , 26.761
Event Date:	03 Apr 2017 03:08 UTC 03 Apr 2017 05:08 Local
Exposed Population:	330000 people in MMI 1120000 people within 100km
Source:	NEIC us10008e0f
Inserted at:	03 Apr 2017 03:30 UTC
INFORM Coping capacity of the alert score	4.3 (South Africa)

GDACS Score

For more info on GDACS alert score click here.

	Earthquake		GDACS score
NEIC	1.2		1.2
us10008e0f	Scaled population (vector)	0
	C1 earthquake	1
	C2 earthquake	0
	Country Vulnerability	0
	INFORM_normalised	1

Maximum expected impact using different data sources.

Episode Timeline

ID	Alert	Score	Date	Mag, Depth	MMI*	Population**	Tsunami risk***	Delay (hh:mm)	Source
1162579		1.2	03 Apr 2017 03:08	5.2M, 5km	N/A	N/A (in MMI>=VII)		00:21	NEIC

The episode that generated the alert; the next major evaluations beyond 12 hours will not trigger additional alerts.

The episode that has the last updated information.

* The max MMI detected for sources having shakemaps;
** The population detected in MMI>=7 for episode with shakemap or in a 100km radius;
*** The tsunami max height.

Exposed population

The earthquake happened in South Africa , Province of North West (population 3,285,384) . The nearest places are Vaal Reefs, Buffelsfontein, Stilfontein, Orkney, Klerksdorp, Khuma, Vierfontein, Alabama, Quest Mine, Reebokfontein Wes, and Parys.

Radius	Population
100 km	1.1 million people
75 km	670000 people
50 km	530000 people
20 km	330000 people
10 km	110000 people
5 km	10000 people
2 km	2500 people

Affected Provinces

Region Province	Country	Population
North West	South Africa	3.3 million people
Free State	South Africa	2.5 million people

Affected populated places

Name	Region Province	Country	City class	Population	Distance
Vaal Reefs	North West	South Africa	Village	-	3 km
Buffelsfontein	North West	South Africa	Village	-	5 km
Stilfontein	North West	South Africa	Village	93000 people	8 km
Orkney	North West	South Africa	City	140000 people	11 km
Klerksdorp	North West	South Africa	City	180000 people	12 km
Khuma	North West	South Africa	Village	-	13 km
Vierfontein	Free State	South Africa	Village	-	17 km
Alabama	North West	South Africa	Village	-	19 km
Quest Mine	North West	South Africa	Village	-	21 km
Reebokfontein Wes	North West	South Africa	Village	-	22 km
Scandinavia Drift	Free State	South Africa	Village	-	29 km
Taaibosbult	North West	South Africa	Village	-	29 km
Majankeng	Free State	South Africa	Village	-	30 km
Harpington	North West	South Africa	Village	-	31 km
Dominionville	North West	South Africa	Village	-	36 km
Viljoenskroon	Free State	South Africa	Village	55000 people	38 km
Hartebeestfontein	North West	South Africa	Village	-	38 km
Wilgeboom	North West	South Africa	Village	-	39 km
Potchefstroom	North West	South Africa	City	120000 people	41 km
Niemeer	North West	South Africa	Village	-	43 km
Tygerfontein	North West	South Africa	Village	-	45 km
Buffelsvallei	North West	South Africa	Village	-	46 km
Rooipoort	North West	South Africa	Village	-	48 km
Opraap	North West	South Africa	Village	-	50 km
Noupoort	North West	South Africa	Village	-	53 km
Bothaville	Free State	South Africa	Village	-	53 km
Erma	North West	South Africa	Village	-	54 km
Rooderand	Free State	South Africa	Village	-	55 km
Dupperspos	North West	South Africa	Village	-	55 km
Klipplaatdrif	North West	South Africa	Village	-	56 km
Klipdrif	North West	South Africa	Village	-	57 km
Balkfontein	North West	South Africa	Village	-	57 km
Dovesdale	North West	South Africa	Village	-	58 km
Vredefort	Free State	South Africa	Village	11000 people	61 km
Leeuwdoornsstad	North West	South Africa	Village	-	62 km
Hauptsrus	North West	South Africa	Village	-	63 km
Boschpoort	North West	South Africa	Village	-	65 km
Makokskraal	North West	South Africa	Village	-	66 km
Mimosa Park Inn	North West	South Africa	Village	-	66 km
Witfontein	North West	South Africa	Village	-	67 km
Ventersdorp	North West	South Africa	Village	-	67 km
Witpoort	North West	South Africa	Village	-	68 km
Parys	Free State	South Africa	City	71000 people	69 km

see full list

Critical infrastructure

Airports, ports, nuclear plants and hydrodams at risk, if affected, are listed below.

Airports

Name	IATA Code	Elevation (m)	Usage	Runway type	IFR	Runway Length (ft)	Distance
Klerksdorp	KXE	1355	Civ.	Paved	No	4900	7 km
Potchefstroom		1378	Civ.	Paved	No	4800	42 km
Hendrik Potgieter		1291	Civ.	Paved	No	4000	51 km
Parys		1445	Civ.	Paved	No	4400	74 km
Carletonville		1524				0	85 km

Dams

Dam Name	River	Year	Distance
Joan Neser	Schoonspruit	1977	19 km
Lakeside	Mooi	1978	43 km
Boskop	Mooi	1981	53 km
Rietspruit	Trib. Schoonspruit	1955	57 km
Klipdrift	Loopspruit	1977	63 km
Elandskuil	Schoonspruit	1969	64 km
Roodepoort	Leeospruit	1978	82 km
Klerkskraal	Mooi	1982	84 km
Weltevrede	Leeuspruit	1978	87 km
Grobler	Vals	1924	95 km

More information

For a full list of available products related to this event, please refer to the GDACS Resources page.

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