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Light World Earthquakes Magnitude 4-4.9

Light earthquake, 4.6 mag was detected near South Sandwich Islands region

Posted by admin on November 9, 2025 0 Comments

Earthquake location -54.7445S, -26.7115WA light earthquake magnitude 4.6 (ml/mb) strikes South Sandwich Islands region (0 miles) on Thursday. Event ids that are associated to the earthquake: us6000rhjl. Id of event: us6000rhjl. Exact time and date of earthquake 16/10/25 / 2025-10-16 07:54:41 / October 16, 2025 @ 7:54 am UTC/GMT. The epicenter of the earthquake was roughly 10 km (6 miles) below the earth’s surface. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). The temblor was picked up at 07:54:41 / 7:54 am (local time epicenter). Exact location of event, longitude -26.7115 West, latitude -54.7445 South, depth = 10 km.

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

Did you feel the quake?

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: South Sandwich Islands region. This information comes from the USGS Earthquake Notification Service.

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More information

Parameter Value Description
Magnitude 4.6 mb The magnitude for the event.
Longitude -26.7115° West Decimal degrees longitude. Negative values for western longitudes.
Latitude -54.7445° South Decimal degrees latitude. Negative values for southern latitudes.
Depth 10 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 2025-10-16 07:54:41 Time when the event occurred. UTC/GMT
Updated 2025-11-09 06:52:49 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 326 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 22 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 5.714 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.32 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 67 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 us6000rhjl Id of event.
Event Code 6000rhjl An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us6000rhjl, A comma-separated list of event ids that are associated to an event.

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