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Light World Earthquakes Magnitude 4-4.9

Light earthquake, 4.8 mag has occurred near Africa


Earthquake location -52.6266S, 17.8545WA light earthquake magnitude 4.8 (ml/mb) has struck on Monday, Southwest of Africa (0 miles). Exact time and date of earthquake 02/12/18 / 2018-12-02 23:23:04 / December 2, 2018 @ 11:23 pm UTC/GMT. The earthquake occurred at a depth of 10 km (6 miles). A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). The 4.8-magnitude earthquake was detected at 00:23:04 / 12:23 am (local time epicenter). Event id: us1000i46p. Ids that are associated to the earthquake: us1000i46p. Exact location of earthquake, longitude 17.8545 East, latitude -52.6266 South, depth = 10 km.

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

Questions or comments?

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. Read more about the earthquake, Location, Distances, Seismometer information, Date-Time, Parameters and details about this quake, reported near: Southwest of Africa. This information comes from the USGS Earthquake Notification Service.

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More information

Parameter Value Description
Magnitude 4.8 mb The magnitude for the event.
Longitude 17.8545° East Decimal degrees longitude. Negative values for western longitudes.
Latitude -52.6266° South Decimal degrees latitude. Negative values for southern latitudes.
Depth 10 km Depth of the event in kilometers.
Place Southwest 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 2018-12-02 23:23:04 Time when the event occurred. UTC/GMT
Updated 2018-12-11 04:14:36 Time when the event was most recently updated. UTC/GMT
Timezone offset 60 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 20.294 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.38 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 71 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 us1000i46p Id of event.
Event Code 1000i46p An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us1000i46p, A comma-separated list of event ids that are associated to an event.

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