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Light World Earthquakes Magnitude 4-4.9

Light earthquake 4.2 mag, 129 km SSE of Severo-Kuril’sk, Russia


Earthquake location 49.5599S, 156.6463WA light earthquake with magnitude 4.2 (ml/mb) was reported 129 km SSE of Severo-Kuril’sk, Russia (80 miles) on Friday. The earthquake occurred at a depth of 36.293 km (23 miles). Exact time and date of earthquake 01/08/25 / 2025-08-01 01:15:29 / August 1, 2025 @ 1:15 am UTC/GMT. Event ids that are associated to the earthquake: us6000r31b. Id of event: us6000r31b. Exact location of event, depth 36.293 km, 156.6463° East, 49.5599° North. The temblor was detected at 01:15:29 / 1:15 am (local time epicenter). A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist).

In the past 24 hours, there have been one hundred and two, in the last 10 days one hundred and seventy-eight, in the past 30 days one hundred and seventy-eight and in the last 365 days one hundred and ninety-two 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. Each year there are an estimated 13,000 light earthquakes in the world.

Did you feel it?

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. 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: 129 km SSE of Severo-Kuril’sk, Russia.

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More information

Parameter Value Description
Magnitude 4.2 mb The magnitude for the event.
Longitude 156.6463° East Decimal degrees longitude. Negative values for western longitudes.
Latitude 49.5599° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 36.293 km Depth of the event in kilometers.
Place 129 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 2025-08-01 01:15:29 Time when the event occurred. UTC/GMT
Updated 2025-08-22 22:01:19 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 271 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 13 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 3.614 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.84 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 229 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 us6000r31b Id of event.
Event Code 6000r31b An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us6000r31b, A comma-separated list of event ids that are associated to an event.

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