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Light earthquake 4.5 mag, 98 km S of Severo-Kuril’sk, Russia

Posted by admin on August 20, 2025 0 Comments

Earthquake location 49.8029S, 155.934WA light earthquake magnitude 4.5 (ml/mb) has occurred on Wednesday, 98 km S of Severo-Kuril’sk, Russia (61 miles). Exact location of event, longitude 155.934 East, latitude 49.8029 North, depth = 78.508 km. Global date and time of event UTC/GMT: 20/08/25 / 2025-08-20 05:19:20 / August 20, 2025 @ 5:19 am. The earthquake occurred at a depth of 78.508 km (49 miles) below the earth’s surface. The 4.5-magnitude earthquake was detected at 05:19:20 / 5:19 am (local time epicenter). Event ids that are associated to the earthquake: us6000r28v. Id of event: us6000r28v. 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. In the past 24 hours, there have been two, in the last 10 days fifteen, in the past 30 days one hundred and eleven and in the last 365 days one hundred and twenty-six earthquakes of magnitude 3.0 or greater that have been detected in the same area. There are an estimated 13,000 light quakes in the world each year.

Questions or comments?

Did objects rattle, topple over, or fall off shelves? Leave a comment or report about activity, shaking and damage at your home, country and city. Read more about the earthquake, Location, Distances, Seismometer information, Date-Time, Parameters and details about this quake, reported near: 98 km S of Severo-Kuril’sk, Russia. This information comes from the USGS Earthquake Notification Service.

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More information

Parameter Value Description
Magnitude 4.5 mb The magnitude for the event.
Longitude 155.934° East Decimal degrees longitude. Negative values for western longitudes.
Latitude 49.8029° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 78.508 km Depth of the event in kilometers.
Place 98 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 2025-08-20 05:19:20 Time when the event occurred. UTC/GMT
Updated 2025-08-20 06:48:49 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 54 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 3.489 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.8 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 132 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 us6000r28v Id of event.
Event Code 6000r28v An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us6000r28v, A comma-separated list of event ids that are associated to an event.

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