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Light earthquake: M4.5 quake has struck near Fochville in South Africa

Posted by admin on October 8, 2018 0 Comments

Earthquake location -26.4967S, 27.3971WA light earthquake magnitude 4.5 (ml/mb) strikes 9 kilometers (6 miles) from Fochville in South Africa on Tuesday. Exact time and date of earthquake 18/09/18 / 2018-09-18 18:09:13 / September 18, 2018 @ 6:09 pm UTC/GMT. Exact location of earthquake, 27.3971° East, -26.4967° South, depth 5 km. The 4.5-magnitude earthquake has occurred at 20:09:13 / 8:09 pm (local time epicenter). The earthquake occurred at a depth of 5 km (3 miles). Event ids that are associated to the earthquake: us2000hjta. Id of event: us2000hjta. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist).

The epicenter was 72 km (45 miles) from Johannesburg (c. 2 026 500 pop), 53 km (33 miles) from Soweto (c. 1 695 000 pop), 56 km (35 miles) from Vereeniging (c. 474 700 pop), 92 km (57 miles) from Boksburg (c. 445 200 pop), 59 km (37 miles) from Krugersdorp (c. 378 800 pop), 88 km (54 miles) from Diepsloot (c. 350 000 pop), 50 km (31 miles) from Vanderbijlpark (c. 246 800 pop). Close country/countries, South Africa (c. 49 000 000 pop) (That might be effected). Nearest city/cities or towns, with min 5000 pop, to epicentrum/hypocenter was Heidelberg, Rustenburg, Midrand.

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 eight earthquakes of magnitude 3.0 or greater that has struck near. Every year there are an estimated 13,000 light earthquakes in the world. Earthquakes 4.0 to 5.0 are often felt, but only causes minor damage.

Did you feel it?

Were you asleep? Was it difficult to stand and/or walk? Leave a comment or report about shaking, activity and damage at your city, home and country. 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: 9 km W of Fochville, South Africa.

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More information

Parameter Value Description
Magnitude 4.5 mb The magnitude for the event.
Longitude 27.3971° East Decimal degrees longitude. Negative values for western longitudes.
Latitude -26.4967° South Decimal degrees latitude. Negative values for southern latitudes.
Depth 5 km Depth of the event in kilometers.
Place 9km W of Fochville, 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 2018-09-18 18:09:13 Time when the event occurred. UTC/GMT
Updated 2018-10-08 20:59:21 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 312 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 2.193 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.71 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 73 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 us2000hjta Id of event.
Event Code 2000hjta An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us2000hjta, A comma-separated list of event ids that are associated to an event.

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