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Light World Earthquakes Magnitude 4-4.9

Light earthquake, 4.7 mag has occurred near Africa


Earthquake location -52.7519S, 21.4308WA light earthquake with magnitude 4.7 (ml/mb) was detected on Saturday, south of Africa (0 miles). The earthquake occurred at a depth of 10 km (6 miles) below the earth’s surface. Exact location of earthquake, longitude 21.4308 East, latitude -52.7519 South, depth = 10 km. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). All ids that are associated to the event: us6000d7su. Unique identifier: us6000d7su. The 4.7-magnitude earthquake has occurred at 10:03:18 / 10:03 am (local time epicenter). Exact time and date of event in UTC/GMT: 02/01/21 / 2021-01-02 10:03:18 / January 2, 2021 @ 10:03 am.

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

Did you feel the quake?

How did you respond? Did any furniture slide, topple over, or become displaced? Leave a comment or report about activity, shaking and damage at your home, city and country. The information in this article comes from the USGS Earthquake Notification Service. Read more about the earthquake, Seismometer information, Distances, Parameters, Date-Time, Location and details about this quake, detected near: south of Africa.

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More information

Parameter Value Description
Magnitude 4.7 mb The magnitude for the event.
Longitude 21.4308° East Decimal degrees longitude. Negative values for western longitudes.
Latitude -52.7519° South Decimal degrees latitude. Negative values for southern latitudes.
Depth 10 km Depth of the event in kilometers.
Place south of Africa Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2021-01-02 10:03:18 Time when the event occurred. UTC/GMT
Updated 2021-01-29 11:42:12 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 340 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 20.612 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.33 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 48 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 us6000d7su Id of event.
Event Code 6000d7su An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us6000d7su, A comma-separated list of event ids that are associated to an event.

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