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

Posted by admin on August 9, 2025 0 Comments

Earthquake location 49.6786S, 157.6462WA light earthquake with magnitude 4.5 (ml/mb) was detected on Saturday, 155 km SE of Severo-Kuril’sk, Russia (96 miles). Exact location, longitude 157.6462° East, latitude 49.6786° North, depth = 10 km. Date and time of earthquake in UTC/GMT: 09/08/25 / 2025-08-09 18:30:48 / August 9, 2025 @ 6:30 pm. 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 10 km (6 miles) below the earth’s surface. Id of earthquake: us6000qzi7. Event ids that are associated: us6000qzi7. The 4.5-magnitude earthquake has occurred at 18:30:48 / 6:30 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 four, in the last 10 days one hundred and one, in the past 30 days one hundred and fourty-one and in the last 365 days one hundred and fourty-six earthquakes of magnitude 3.0 or greater that have been detected nearby. Each year there are an estimated 13,000 light quakes in the world.

Did you feel it?

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. The information in this article comes from the USGS Earthquake Notification Service. Read more about the earthquake, Seismometer information, Distances, Parameters, Date-Time, Location and details about this quake, detected near: 155 km SE of Severo-Kuril’sk, Russia.

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More information

Parameter Value Description
Magnitude 4.5 mb The magnitude for the event.
Longitude 157.6462° East Decimal degrees longitude. Negative values for western longitudes.
Latitude 49.6786° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 10 km Depth of the event in kilometers.
Place 155 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 2025-08-09 18:30:48 Time when the event occurred. UTC/GMT
Updated 2025-08-09 22:09:14 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 83 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 3.408 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 134 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 us6000qzi7 Id of event.
Event Code 6000qzi7 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us6000qzi7, A comma-separated list of event ids that are associated to an event.

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