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Light World Earthquakes Magnitude 4-4.9

Light earthquake: M4.8 quake has struck near Stilfontein in South Africa



Earthquake location -26.912S, 26.8132WA light earthquake magnitude 4.8 (ml/mb) has struck on Tuesday, 8 kilometers (5 miles) from Stilfontein in South Africa. Exact location of earthquake, 26.8132° East, -26.912° South, depth 5 km. The temblor was reported at 01:53:00 / 1:53 am (local time epicenter). Date and time of earthquake in UTC/GMT: 12/06/17 / 2017-06-12 23:53:00 / June 12, 2017 @ 11:53 pm. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). Id of earthquake: us20009n2a. Event ids that are associated: us20009n2a. The earthquake occurred at a depth of 5 km (3 miles).

Close country/countries, South Africa (c. 49 000 000 pop) (That might be effected). Epicenter of the earthquake was 84 km (52 miles) from Carletonville (c. 182 300 pop), 16 km (10 miles) from Klerksdorp (c. 178 900 pop), 16 km (10 miles) from Orkney (c. 145 800 pop), 36 km (22 miles) from Potchefstroom (c. 123 700 pop), 92 km (57 miles) from Kroonstad (c. 104 000 pop), 9 km (5 miles) from Stilfontein (c. 93 100 pop), 100 km (62 miles) from Sasolburg (c. 77 000 pop). Nearest cities/city/towns to hypocenter/epicentrum was Sasolburg, Allanridge, Kroonstad (min 5000 pop).

Every year there are an estimated 13,000 light earthquakes in the world. In the past 24 hours, there have been one, in the last 10 days one, in the past 30 days one and in the last 365 days six earthquakes of magnitude 3.0 or greater that was reported nearby. Earthquakes 4.0 to 5.0 are often felt, but only causes minor damage.

Did you feel it?

Did objects rattle, topple over, or fall off shelves? Leave a comment or report about activity, shaking and damage at your home, country and city. This information comes from the USGS Earthquake Notification Service. Read more about the earthquake, Seismometer information, Date-Time, Location, Distances, Parameters and details about this quake, recorded: 8 km SSE of Stilfontein, South Africa.

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More information

Parameter Value Description
Magnitude 4.8 mb The magnitude for the event.
Longitude 26.8132° East Decimal degrees longitude. Negative values for western longitudes.
Latitude -26.912° South Decimal degrees latitude. Negative values for southern latitudes.
Depth 5 km Depth of the event in kilometers.
Place 8km SSE of Stilfontein, South Africa Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2017-06-12 23:53:00 Time when the event occurred. UTC/GMT
Updated 2017-06-17 03:46:26 Time when the event was most recently updated. UTC/GMT
Timezone offset 120 Timezone offset from UTC in minutes at the event epicenter.
Felt The total number of felt reports
CDI The maximum reported intensity for the event.
MMI The maximum estimated instrumental intensity for the event.
Alert Level The alert level from the PAGER earthquake impact scale. Green, Yellow, Orange or Red.
Review Status reviewed Indicates whether the event has been reviewed by a human.
Tsunami 0 This flag is set to "1" for large events in oceanic regions and "0" otherwise. The existence or value of this flag does not indicate if a tsunami actually did or will exist.
SIG 354 A number describing how significant the event is. Larger numbers indicate a more significant event.
Network us The ID of a data contributor. Identifies the network considered to be the preferred source of information for this event.
Sources ,us, A comma-separated list of network contributors.
Number of Stations Used The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 2.183 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.68 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 74 The largest azimuthal gap between azimuthally adjacent stations (in degrees).
Magnitude Type mb The method or algorithm used to calculate the preferred magnitude for the event.
Event Type earthquake Type of seismic event.
Event ID us20009n2a Id of event.
Event Code 20009n2a An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us20009n2a, A comma-separated list of event ids that are associated to an event.

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