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Light earthquake, 4.5 mag strikes near Severo-Kuril’sk in Russia

Posted by admin on September 20, 2025 0 Comments

Earthquake location 49.8916S, 155.7992WA light earthquake magnitude 4.5 (ml/mb) strikes 90 km SSW of Severo-Kuril’sk, Russia (56 miles) on Saturday. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). The earthquake occurred at a depth of 68.778 km (43 miles) below the earth’s surface. Global time and date of event 20/09/25 / 2025-09-20 17:49:15 / September 20, 2025 @ 5:49 pm UTC/GMT. Exact location of event, longitude 155.7992 East, latitude 49.8916 North, depth = 68.778 km. Event id: us7000qxl4. Ids that are associated to the earthquake: us7000qxl4. The 4.5-magnitude earthquake has occurred at 17:49:15 / 5:49 pm (local time epicenter).

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 one, in the last 10 days three, in the past 30 days seventeen and in the last 365 days two hundred and twenty-one earthquakes of magnitude 3.0 or greater that has occurred nearby.

Questions or comments?

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: 90 km SSW of Severo-Kuril’sk, Russia.

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More information

Parameter Value Description
Magnitude 4.5 mb The magnitude for the event.
Longitude 155.7992° East Decimal degrees longitude. Negative values for western longitudes.
Latitude 49.8916° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 68.778 km Depth of the event in kilometers.
Place 90 km SSW 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 2025-09-20 17:49:15 Time when the event occurred. UTC/GMT
Updated 2025-09-20 19:15:56 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 312 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 75 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 3.433 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.47 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 124 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 us7000qxl4 Id of event.
Event Code 7000qxl4 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us7000qxl4, A comma-separated list of event ids that are associated to an event.

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