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Light World Earthquakes Magnitude 4-4.9

Light earthquake, 4.3 mag has occurred near Severo-Kuril’sk in Russia

Posted by admin on August 23, 2025 0 Comments

Earthquake location 49.9576S, 157.2624WA light earthquake with magnitude 4.3 (ml/mb) was detected on Thursday, 113 km SE of Severo-Kuril’sk, Russia (70 miles). Exact location, longitude 157.2624° East, latitude 49.9576° North, depth = 10 km. The epicenter was at a depth of 10 km (6 miles). Exact time and date of earthquake 31/07/25 / 2025-07-31 01:36:40 / July 31, 2025 @ 1:36 am UTC/GMT. The temblor was detected at 01:36:40 / 1:36 am (local time epicenter). All ids that are associated to the event: us6000r2cr. Unique identifier: us6000r2cr. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist).

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. In the past 24 hours, there have been two hundred and fourty-one, in the last 10 days two hundred and fifty-four, in the past 30 days two hundred and fifty-four and in the last 365 days two hundred and sixty-four earthquakes of magnitude 3.0 or greater that have been detected in the same area.

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. Read more about the earthquake, Location, Distances, Seismometer information, Date-Time, Parameters and details about this quake, reported near: 113 km SE of Severo-Kuril’sk, Russia. This information comes from the USGS Earthquake Notification Service.

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More information

Parameter Value Description
Magnitude 4.3 mb The magnitude for the event.
Longitude 157.2624° East Decimal degrees longitude. Negative values for western longitudes.
Latitude 49.9576° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 10 km Depth of the event in kilometers.
Place 113 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 2025-07-31 01:36:40 Time when the event occurred. UTC/GMT
Updated 2025-08-23 13:40:48 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 284 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 48 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 3.167 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.6 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 166 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 us6000r2cr Id of event.
Event Code 6000r2cr An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us6000r2cr, A comma-separated list of event ids that are associated to an event.

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