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Light World Earthquakes Magnitude 4-4.9

Light earthquake 4.3 mag, 201 km SSW of Severo-Kuril’sk, Russia


Earthquake location 49.1287S, 154.6678WA light earthquake magnitude 4.3 (ml/mb) has occurred on Tuesday, 201 km SSW of Severo-Kuril’sk, Russia (125 miles). A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). Exact location of earthquake, 154.6678° East, 49.1287° North, depth 93.079 km. The temblor was picked up at 00:44:31 / 12:44 am (local time epicenter). The earthquake was roughly at a depth of 93.079 km (58 miles). Event id: us7000qu5c. Ids that are associated to the earthquake: us7000qu5c. Global time and date of event 12/08/25 / 2025-08-12 00:44:31 / August 12, 2025 @ 12:44 am UTC/GMT.

Each year there are an estimated 13,000 light quakes in the world. In the past 24 hours, there have been eleven, in the last 10 days thirty-four, in the past 30 days sixty-one and in the last 365 days eighty earthquakes of magnitude 3.0 or greater that have been detected nearby. Earthquakes 4.0 to 5.0 are often felt, but only causes minor damage.

Did you feel anything?

What was your situation during the earthquake? Leave a comment or report about damage, shaking and activity at your home, city and country. This information comes from the USGS Earthquake Notification Service. Read more about the earthquake, Seismometer information, Date-Time, Location, Distances, Parameters and details about this quake, recorded: 201 km SSW of Severo-Kuril’sk, Russia.

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More information

Parameter Value Description
Magnitude 4.3 mb The magnitude for the event.
Longitude 154.6678° East Decimal degrees longitude. Negative values for western longitudes.
Latitude 49.1287° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 93.079 km Depth of the event in kilometers.
Place 201 km SSW 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 2025-08-12 00:44:31 Time when the event occurred. UTC/GMT
Updated 2025-09-08 02:25:50 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 33 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 4.418 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.42 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 125 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 us7000qu5c Id of event.
Event Code 7000qu5c An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us7000qu5c, A comma-separated list of event ids that are associated to an event.

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