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Light earthquake, 4 mag has occurred near Orkney in South Africa

Posted by admin on October 9, 2018 0 Comments

A light earthquake with magnitude 4 (ml/mb) was detected on Tuesday, 6 kilometers (4 miles) from Orkney in South Africa. Unique identifier: us1000h9pz. Ids that are associated to the event: us1000h9pz. The epicenter was at a depth of 5 km (3 miles). Exact time and date of earthquake 09/10/18 / 2018-10-09 20:19:33 / October 9, 2018 @ 8:19 pm UTC/GMT. Exact location of earthquake, 26.7383° East, -26.9932° South, depth 5 km. The temblor was reported at 22:19:33 / 10:19 pm (local time epicenter). A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist).

Epicenter of the event was 17 km (11 miles) from Klerksdorp (c. 178 900 pop), 7 km (4 miles) from Orkney (c. 145 800 pop), 47 km (29 miles) from Potchefstroom (c. 123 700 pop), 88 km (55 miles) from Kroonstad (c. 104 000 pop), 17 km (10 miles) from Stilfontein (c. 93 100 pop), 46 km (28 miles) from Bothaville (c. 71 900 pop). Nearest cities/city/towns to hypocenter/epicentrum was Kroonstad, Koppies, Allanridge (min 5000 pop). Nearby country/countries, South Africa (c. 49 000 000 pop) (That might be effected).

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

Questions or comments?

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 data comes from the USGS Earthquake Notification Service. Read more about the earthquake, Seismometer information, Distances, Parameters, Date-Time, Location and details about this quake, that has occurred near: 6 km ESE of Orkney, South Africa.

More information

Parameter	Value	Description
Magnitude	4 mb	The magnitude for the event.
Longitude	26.7383° East	Decimal degrees longitude. Negative values for western longitudes.
Latitude	-26.9932° South	Decimal degrees latitude. Negative values for southern latitudes.
Depth	5 km	Depth of the event in kilometers.
Place	6km ESE of Orkney, 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	2018-10-09 20:19:33	Time when the event occurred. UTC/GMT
Updated	2018-10-09 22:19:39	Time when the event was most recently updated. UTC/GMT
Timezone offset	120	Timezone offset from UTC in minutes at the event epicenter.
Felt	1	The total number of felt reports
CDI	4.8	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	247	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	2.081	Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square	0.31 sec	The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap	173	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	us1000h9pz	Id of event.
Event Code	1000h9pz	An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS	,us1000h9pz,	A comma-separated list of event ids that are associated to an event.

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Light earthquake, 4 mag has occurred near Orkney in South Africa

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