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Light World Earthquakes Magnitude 4-4.9

Light earthquake, 4.1 mag strikes near Vilyuchinsk in Russia


Earthquake location 51.2177S, 160.7231WA light earthquake magnitude 4.1 (ml/mb) has occurred on Thursday, 248 km SE of Vilyuchinsk, Russia (154 miles). A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). Exact location of event, longitude 160.7231 East, latitude 51.2177 North, depth = 10 km. Exact time and date of event in UTC/GMT: 18/09/25 / 2025-09-18 20:58:22 / September 18, 2025 @ 8:58 pm. The epicenter was at a depth of 10 km (6 miles). The temblor was reported at 20:58:22 / 8:58 pm (local time epicenter). Unique identifier: us6000rg9u. Ids that are associated to the event: us6000rg9u.

There are an estimated 13,000 light earthquakes in the world each year. Earthquakes 4.0 to 5.0 are often felt, but only causes minor damage. In the past 24 hours, there have been fifty-seven, in the last 10 days ninety-eight, in the past 30 days one hundred and eighty-eight and in the last 365 days eight hundred and sixty-four earthquakes of magnitude 3.0 or greater that has occurred nearby.

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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: 248 km SE of Vilyuchinsk, Russia.

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More information

Parameter Value Description
Magnitude 4.1 mb The magnitude for the event.
Longitude 160.7231° East Decimal degrees longitude. Negative values for western longitudes.
Latitude 51.2177° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 10 km Depth of the event in kilometers.
Place 248 km SE of Vilyuchinsk, Russia Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2025-09-18 20:58:22 Time when the event occurred. UTC/GMT
Updated 2025-10-13 20:31:20 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 259 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 25 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 2.214 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.71 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 161 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 us6000rg9u Id of event.
Event Code 6000rg9u An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us6000rg9u, A comma-separated list of event ids that are associated to an event.

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