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Light World Earthquakes Magnitude 4-4.9

Light earthquake, 4.5 mag has occurred near Vilyuchinsk in Russia


Earthquake location 51.8367S, 159.4024WA light earthquake magnitude 4.5 (ml/mb) has struck on Thursday, 139 km SSE of Vilyuchinsk, Russia (86 miles). The epicenter was at a depth of 10 km (6 miles). A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). All ids that are associated to the event: us6000qwvv. Unique identifier: us6000qwvv. Exact location of earthquake, 159.4024° East, 51.8367° North, depth 10 km. Exact time and date of earthquake 31/07/25 / 2025-07-31 09:07:30 / July 31, 2025 @ 9:07 am UTC/GMT. The 4.5-magnitude earthquake has occurred at 09:07:30 / 9:07 am (local time epicenter).

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 five hundred and ninety-nine, in the last 10 days eight hundred and seventy-nine, in the past 30 days nine hundred and twenty-three and in the last 365 days nine hundred and fourty-four earthquakes of magnitude 3.0 or greater that have been detected in the same area.

Questions or comments?

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: 139 km SSE of Vilyuchinsk, Russia.

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More information

Parameter Value Description
Magnitude 4.5 mb The magnitude for the event.
Longitude 159.4024° East Decimal degrees longitude. Negative values for western longitudes.
Latitude 51.8367° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 10 km Depth of the event in kilometers.
Place 139 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 09:07:30 Time when the event occurred. UTC/GMT
Updated 2025-08-29 06:07:53 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 51 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 1.275 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.85 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 119 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 us6000qwvv Id of event.
Event Code 6000qwvv An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us6000qwvv, A comma-separated list of event ids that are associated to an event.

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