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Light World Earthquakes Magnitude 4-4.9

Light earthquake, 4.7 mag strikes near Vilyuchinsk in Russia


Earthquake location 51.56S, 159.3862WA light earthquake magnitude 4.7 (ml/mb) has struck on Thursday, 166 km SSE of Vilyuchinsk, Russia (103 miles). The temblor was picked up at 10:37:48 / 10:37 am (local time epicenter). Exact time and date of earthquake 31/07/25 / 2025-07-31 10:37:48 / July 31, 2025 @ 10:37 am UTC/GMT. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). Exact location, longitude 159.3862° East, latitude 51.56° North, depth = 10 km. Event ids that are associated to the earthquake: us6000qwwa. Id of event: us6000qwwa. The earthquake occurred at a depth of 10 km (6 miles) below the earth’s surface.

Each year there are an estimated 13,000 light quakes in the world. Earthquakes 4.0 to 5.0 are often felt, but only causes minor damage. In the past 24 hours, there have been one hundred and sixty-nine, in the last 10 days two hundred and fourty-four, in the past 30 days two hundred and fifty-six and in the last 365 days two hundred and sixty-nine earthquakes of magnitude 3.0 or greater that has struck near.

Did you feel the quake?

How did you react? Was there any damage to buildings? Leave a comment or report about shaking, activity and damage 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: 166 km SSE of Vilyuchinsk, Russia.

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More information

Parameter Value Description
Magnitude 4.7 mb The magnitude for the event.
Longitude 159.3862° East Decimal degrees longitude. Negative values for western longitudes.
Latitude 51.56° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 10 km Depth of the event in kilometers.
Place 166 km SSE of Vilyuchinsk, Russia Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2025-07-31 10:37:48 Time when the event occurred. UTC/GMT
Updated 2025-08-04 10:59:44 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 340 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 55 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 1.534 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 1.2 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 126 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 us6000qwwa Id of event.
Event Code 6000qwwa An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us6000qwwa, A comma-separated list of event ids that are associated to an event.

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