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Light earthquake, 4.7 mag was detected near Shikotan in Russia

Posted by admin on December 21, 2025 0 Comments

Earthquake location 43.9398S, 147.5394WA light earthquake with magnitude 4.7 (ml/mb) was detected on Sunday, 67 km ENE of Shikotan, Russia (42 miles). The earthquake occurred at a depth of 35 km (22 miles) below the earth’s surface. Exact time and date of event in UTC/GMT: 21/12/25 / 2025-12-21 03:33:46 / December 21, 2025 @ 3:33 am. All ids that are associated to the event: us6000rw9z. Unique identifier: us6000rw9z. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). The temblor was reported at 03:33:46 / 3:33 am (local time epicenter). Exact location of event, longitude 147.5394 East, latitude 43.9398 North, depth = 35 km.

In the past 24 hours, there have been seven, in the last 10 days twelve, in the past 30 days twelve and in the last 365 days fourty earthquakes of magnitude 3.0 or greater that was reported nearby. Each year there are an estimated 13,000 light quakes in the world. Earthquakes 4.0 to 5.0 are often felt, but only causes minor damage.

How would you describe the shaking?

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: 67 km ENE of Shikotan, Russia. This information comes from the USGS Earthquake Notification Service.

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More information

Parameter Value Description
Magnitude 4.7 mb The magnitude for the event.
Longitude 147.5394° East Decimal degrees longitude. Negative values for western longitudes.
Latitude 43.9398° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 35 km Depth of the event in kilometers.
Place 67 km ENE 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 2025-12-21 03:33:46 Time when the event occurred. UTC/GMT
Updated 2025-12-21 04:20:07 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 340 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 67 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 3.572 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 1.01 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 182 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 us6000rw9z Id of event.
Event Code 6000rw9z An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us6000rw9z, A comma-separated list of event ids that are associated to an event.

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