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Light World Earthquakes Magnitude 4-4.9

Light earthquake, 4.7 mag has occurred near South Sandwich Islands region

Posted by admin on July 31, 2025 0 Comments

Earthquake location -56.0995S, -26.3115WA light earthquake with magnitude 4.7 (ml/mb) was reported South Sandwich Islands region (0 miles) on Tuesday. Unique identifier: us7000qdhv. Ids that are associated to the event: us7000qdhv. The earthquake occurred at a depth of 72.491 km (45 miles) below the earth’s surface. Global time and date of event 08/07/25 / 2025-07-08 15:08:37 / July 8, 2025 @ 3:08 pm UTC/GMT. Exact location of event, longitude -26.3115 West, latitude -56.0995 South, depth = 72.491 km. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). The 4.7-magnitude earthquake has occurred at 15:08:37 / 3:08 pm (local time epicenter).

Every year there are an estimated 13,000 light earthquakes in the world. In the past 24 hours, there have been five, in the last 10 days seven, in the past 30 days ten and in the last 365 days eighty-nine 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.

Did you feel it?

What was your situation during the earthquake? Leave a comment or report about damage, shaking and activity 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 Sandwich Islands region.

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More information

Parameter Value Description
Magnitude 4.7 mb The magnitude for the event.
Longitude -26.3115° West Decimal degrees longitude. Negative values for western longitudes.
Latitude -56.0995° South Decimal degrees latitude. Negative values for southern latitudes.
Depth 72.491 km Depth of the event in kilometers.
Place South Sandwich Islands region Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2025-07-08 15:08:37 Time when the event occurred. UTC/GMT
Updated 2025-07-31 21:36:08 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 45 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 6.106 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.68 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 124 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 us7000qdhv Id of event.
Event Code 7000qdhv An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us7000qdhv, A comma-separated list of event ids that are associated to an event.

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