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Light World Earthquakes Magnitude 4-4.9

Light earthquake: M4.8 quake has struck near Georgetown in Saint Helena

Posted by admin on April 30, 2025 0 Comments

Earthquake location -6.6902S, -12.0561WA light earthquake magnitude 4.8 (ml/mb) has struck on Saturday, 293 km ENE of Georgetown, Saint Helena (182 miles). 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: us7000pv24. Unique identifier: us7000pv24. The epicenter was at a depth of 10 km (6 miles). Exact location of earthquake, longitude -12.0561 West, latitude -6.6902 South, depth = 10 km. The temblor was detected at 06:40:13 / 6:40 am (local time epicenter). Exact time and date of earthquake 12/04/25 / 2025-04-12 06:40:13 / April 12, 2025 @ 6:40 am UTC/GMT.

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. 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 two earthquakes of magnitude 3.0 or greater that has occurred nearby.

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: 293 km ENE of Georgetown, Saint Helena. 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 -12.0561° West Decimal degrees longitude. Negative values for western longitudes.
Latitude -6.6902° South Decimal degrees latitude. Negative values for southern latitudes.
Depth 10 km Depth of the event in kilometers.
Place 293 km ENE of Georgetown, Saint Helena Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2025-04-12 06:40:13 Time when the event occurred. UTC/GMT
Updated 2025-04-30 07:08:16 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 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 27 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 2.597 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.51 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 132 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 us7000pv24 Id of event.
Event Code 7000pv24 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us7000pv24, A comma-separated list of event ids that are associated to an event.

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