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Light World Earthquakes Magnitude 4-4.9

Light earthquake: M4.4 quake has struck near Shikotan in Russia


Earthquake location 44.1537S, 146.5987WA light earthquake with magnitude 4.4 (ml/mb) was reported 40 kilometers (25 miles) from Shikotan in Russia on Friday. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). Event ids that are associated to the earthquake: us6000rtng. Id of event: us6000rtng. Exact time and date of earthquake 21/11/25 / 2025-11-21 03:17:12 / November 21, 2025 @ 3:17 am UTC/GMT. Exact location of event, longitude 146.5987 East, latitude 44.1537 North, depth = 102.72 km. The 4.4-magnitude earthquake has occurred at 03:17:12 / 3:17 am (local time epicenter). The epicenter was at a depth of 102.72 km (64 miles).

Nearest city/cities or towns, with min 5000 pop, to epicentrum/hypocenter was Yuzhno-Kuril’sk. Nearby country/countries, Japan (c. 127 288 000 pop) (That might be effected). Event epicenter was 61 km (38 miles) from Yuzhno-Kuril’sk (c. 6 500 pop).

In the past 24 hours, there have been one, in the last 10 days one, in the past 30 days three and in the last 365 days twenty-seven 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.

Questions or comments?

How did you respond? Did any furniture slide, topple over, or become displaced? Leave a comment or report about activity, shaking and damage at your home, city and country. Read more about the earthquake, Location, Distances, Seismometer information, Date-Time, Parameters and details about this quake, reported near: 40 km NNW of Shikotan, Russia. This information comes from the USGS Earthquake Notification Service.

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More information

Parameter Value Description
Magnitude 4.4 mb The magnitude for the event.
Longitude 146.5987° East Decimal degrees longitude. Negative values for western longitudes.
Latitude 44.1537° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 102.72 km Depth of the event in kilometers.
Place 40 km NNW of Shikotan, Russia Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2025-11-21 03:17:12 Time when the event occurred. UTC/GMT
Updated 2025-12-09 23:09:02 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 53 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 2.884 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.62 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 133 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 us6000rtng Id of event.
Event Code 6000rtng An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us6000rtng, A comma-separated list of event ids that are associated to an event.

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