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Light World Earthquakes Magnitude 4-4.9

Light earthquake, 4.2 mag has occurred near Severo-Kuril’sk in Russia

Posted by admin on November 12, 2025 0 Comments

Earthquake location 50.4405S, 156.5578WA light earthquake magnitude 4.2 (ml/mb) strikes 40 km SE of Severo-Kuril’sk, Russia (25 miles) on Tuesday. Event id: us6000rmtf. Ids that are associated to the earthquake: us6000rmtf. The epicenter of the earthquake was roughly 55.409 km (34 miles) below the earth’s surface. The temblor was reported at 18:04:41 / 6:04 pm (local time epicenter). Exact time and date of event in UTC/GMT: 21/10/25 / 2025-10-21 18:04:41 / October 21, 2025 @ 6:04 pm. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). Exact location of earthquake, longitude 156.5578 East, latitude 50.4405 North, depth = 55.409 km.

In the past 24 hours, there have been twelve, in the last 10 days eighteen, in the past 30 days thirty-six and in the last 365 days three hundred and fifty-four 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. There are an estimated 13,000 light earthquakes in the world each year.

Did you feel anything?

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. This information comes from the USGS Earthquake Notification Service. Read more about the earthquake, Seismometer information, Date-Time, Location, Distances, Parameters and details about this quake, recorded: 40 km SE of Severo-Kuril’sk, Russia.

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More information

Parameter Value Description
Magnitude 4.2 mb The magnitude for the event.
Longitude 156.5578° East Decimal degrees longitude. Negative values for western longitudes.
Latitude 50.4405° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 55.409 km Depth of the event in kilometers.
Place 40 km SE of Severo-Kuril’sk, Russia Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2025-10-21 18:04:41 Time when the event occurred. UTC/GMT
Updated 2025-11-12 16:05:46 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 271 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 33 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 2.764 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.98 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 138 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 us6000rmtf Id of event.
Event Code 6000rmtf An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us6000rmtf, A comma-separated list of event ids that are associated to an event.

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