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Light World Earthquakes Magnitude 4-4.9

Light earthquake, 4 mag was detected near Severo-Kuril’sk in Russia


Earthquake location 50.2185S, 156.1358WA light earthquake magnitude 4 (ml/mb) has occurred on Sunday, 50 km S of Severo-Kuril’sk, Russia (31 miles). Id of earthquake: us7000qvgc. Event ids that are associated: us7000qvgc. The earthquake occurred at a depth of 64.462 km (40 miles). Global date and time of event UTC/GMT: 17/08/25 / 2025-08-17 21:01:47 / August 17, 2025 @ 9:01 pm. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). Exact location of event, longitude 156.1358 East, latitude 50.2185 North, depth = 64.462 km. The temblor was detected at 21:01:47 / 9:01 pm (local time epicenter).

Earthquakes 4.0 to 5.0 are often felt, but only causes minor damage. In the past 24 hours, there have been twenty-five, in the last 10 days sixty-four, in the past 30 days two hundred and twenty-six and in the last 365 days two hundred and fourty-one earthquakes of magnitude 3.0 or greater that has struck near. There are an estimated 13,000 light quakes in the world each year.

How would you describe the shaking?

What was your situation during the earthquake? Leave a comment or report about damage, shaking and activity at your home, city and country. Read more about the earthquake, Distances, Seismometer information, Date-Time, Parameters, Location and details about this quake, that has struck: 50 km S of Severo-Kuril’sk, Russia. This data comes from the USGS Earthquake Notification Service.

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More information

Parameter Value Description
Magnitude 4 mb The magnitude for the event.
Longitude 156.1358° East Decimal degrees longitude. Negative values for western longitudes.
Latitude 50.2185° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 64.462 km Depth of the event in kilometers.
Place 50 km S 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 2025-08-17 21:01:47 Time when the event occurred. UTC/GMT
Updated 2025-09-12 00:16:43 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 246 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 41 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 3.053 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.63 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 154 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 us7000qvgc Id of event.
Event Code 7000qvgc An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us7000qvgc, A comma-separated list of event ids that are associated to an event.

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