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Light World Earthquakes Magnitude 4-4.9

Light earthquake: M4.3 quake has struck near Severo-Kuril’sk in Russia

Posted by admin on September 21, 2025 0 Comments

Earthquake location 49.9065S, 156.4773WA light earthquake with magnitude 4.3 (ml/mb) was detected on Tuesday, 89 km SSE of Severo-Kuril’sk, Russia (55 miles). Event id: us7000qxe4. Ids that are associated to the earthquake: us7000qxe4. The earthquake was roughly at a depth of 41.836 km (26 miles). Date and time of earthquake in UTC/GMT: 26/08/25 / 2025-08-26 23:09:52 / August 26, 2025 @ 11:09 pm. The temblor was reported at 23:09:52 / 11:09 pm (local time epicenter). A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). Exact location of earthquake, longitude 156.4773 East, latitude 49.9065 North, depth = 41.836 km.

Earthquakes 4.0 to 5.0 are often felt, but only causes minor damage. Every year there are an estimated 13,000 light earthquakes in the world. In the past 24 hours, there have been fourteen, in the last 10 days thirty-three, in the past 30 days two hundred and ninety-six and in the last 365 days three hundred and twelve earthquakes of magnitude 3.0 or greater that have been detected in the same area.

Questions or comments?

How did you respond? Did any furniture slide, topple over, or become displaced? Leave a comment or report about activity, shaking and damage at your home, city and country. This data comes from the USGS Earthquake Notification Service. Read more about the earthquake, Seismometer information, Distances, Parameters, Date-Time, Location and details about this quake, that has occurred near: 89 km SSE of Severo-Kuril’sk, Russia.

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More information

Parameter Value Description
Magnitude 4.3 mb The magnitude for the event.
Longitude 156.4773° East Decimal degrees longitude. Negative values for western longitudes.
Latitude 49.9065° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 41.836 km Depth of the event in kilometers.
Place 89 km SSE 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 2025-08-26 23:09:52 Time when the event occurred. UTC/GMT
Updated 2025-09-21 23:52:11 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 36 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 3.296 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.93 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 135 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 us7000qxe4 Id of event.
Event Code 7000qxe4 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us7000qxe4, A comma-separated list of event ids that are associated to an event.

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