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Light World Earthquakes Magnitude 4-4.9

Light earthquake, 4.4 mag was detected near Allanridge in South Africa


Earthquake location -27.705S, 26.6482WA light earthquake with magnitude 4.4 (ml/mb) was reported 5 kilometers (3 miles) from Allanridge in South Africa on Tuesday. Event ids that are associated to the earthquake: us6000mx6p. Id of event: us6000mx6p. Date and time of earthquake in UTC/GMT: 30/04/24 / 2024-04-30 15:47:58 / April 30, 2024 @ 3:47 pm. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). The epicenter was at a depth of 5 km (3 miles). Exact location of earthquake, longitude 26.6482 East, latitude -27.705 South, depth = 5 km. The 4.4-magnitude earthquake was detected at 15:47:58 / 3:47 pm (local time epicenter).

Country/countries that might be effected, South Africa (c. 49 000 000 pop). The epicenter was 31 km (20 miles) from Welkom (c. 431 900 pop), 95 km (59 miles) from Klerksdorp (c. 178 900 pop), 81 km (50 miles) from Orkney (c. 145 800 pop), 49 km (31 miles) from Virginia (c. 122 500 pop), 58 km (36 miles) from Kroonstad (c. 104 000 pop), 17 km (11 miles) from Kutloanong (c. 95 000 pop). Nearest cities/city/towns to hypocenter/epicentrum was Klerksdorp, Wolmaransstad, Orkney (min 5000 pop).

There are an estimated 13,000 light earthquakes in the world each year. In the past 24 hours, there have been two, in the last 10 days two, in the past 30 days two and in the last 365 days two 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?

How did you react? Was there any damage to buildings? Leave a comment or report about shaking, activity and damage at your home, city 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: 5 km N of Allanridge, South Africa.

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More information

Parameter Value Description
Magnitude 4.4 mb The magnitude for the event.
Longitude 26.6482° East Decimal degrees longitude. Negative values for western longitudes.
Latitude -27.705° South Decimal degrees latitude. Negative values for southern latitudes.
Depth 5 km Depth of the event in kilometers.
Place 5 km N of Allanridge, 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 2024-04-30 15:47:58 Time when the event occurred. UTC/GMT
Updated 2024-05-27 20:58:55 Time when the event was most recently updated. UTC/GMT
Timezone offset 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 298 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 24 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 1.527 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 1.09 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 us6000mx6p Id of event.
Event Code 6000mx6p An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us6000mx6p, A comma-separated list of event ids that are associated to an event.

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