Light earthquake 4.4 mag, South Sandwich Islands region

A light earthquake with magnitude 4.4 (ml/mb) was detected on Friday, South Sandwich Islands region (0 miles). The epicenter was at a depth of 35 km (22 miles). The 4.4-magnitude earthquake has occurred at 19:28:59 / 7:28 pm (local time epicenter). Id of earthquake: us6000qufj. Event ids that are associated: us6000qufj. Global time and date of event 11/07/25 / 2025-07-11 19:28:59 / July 11, 2025 @ 7:28 pm UTC/GMT. Exact location of event, depth 35 km, -25.5017° West, -58.1669° South. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist).

In the past 24 hours, there have been four, in the last 10 days five, in the past 30 days six and in the last 365 days fifty-eight earthquakes of magnitude 3.0 or greater that has struck near. 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.

How would you describe the shaking?

Did objects rattle, topple over, or fall off shelves? Leave a comment or report about activity, shaking and damage at your home, country and city. 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.

South Sandwich Islands region

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Parameter	Value	Description
Magnitude	4.4 mb	The magnitude for the event.
Longitude	-25.5017° West	Decimal degrees longitude. Negative values for western longitudes.
Latitude	-58.1669° South	Decimal degrees latitude. Negative values for southern latitudes.
Depth	35 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	2025-07-11 19:28:59	Time when the event occurred. UTC/GMT
Updated	2025-08-06 16:49:16	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	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	37	The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance	7.253	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	80	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	us6000qufj	Id of event.
Event Code	6000qufj	An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS	,us6000qufj,	A comma-separated list of event ids that are associated to an event.

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Light earthquake 4.4 mag, South Sandwich Islands region

How would you describe the shaking?

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