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Light World Earthquakes Magnitude 4-4.9

Light earthquake, 4.9 mag has occurred near Vilyuchinsk in Russia


Earthquake location 51.8308S, 158.9979WA light earthquake with magnitude 4.9 (ml/mb) was detected on Wednesday, 128 km SSE of Vilyuchinsk, Russia (80 miles). The earthquake occurred at a depth of 56.964 km (35 miles). Unique identifier: us6000r10w. Ids that are associated to the event: us6000r10w. Global time and date of event 30/07/25 / 2025-07-30 01:07:43 / July 30, 2025 @ 1:07 am UTC/GMT. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). Exact location, longitude 158.9979° East, latitude 51.8308° North, depth = 56.964 km. The temblor was picked up at 01:07:43 / 1:07 am (local time epicenter).

Earthquakes 4.0 to 5.0 are often felt, but only causes minor damage. In the past 24 hours, there have been three hundred and fourty-seven, in the last 10 days four hundred and fifteen, in the past 30 days four hundred and fifteen and in the last 365 days four hundred and twenty-nine earthquakes of magnitude 3.0 or greater that have been detected nearby. Every year there are an estimated 13,000 light earthquakes in the world.

Did you feel anything?

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 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: 128 km SSE of Vilyuchinsk, Russia.

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More information

Parameter Value Description
Magnitude 4.9 mb The magnitude for the event.
Longitude 158.9979° East Decimal degrees longitude. Negative values for western longitudes.
Latitude 51.8308° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 56.964 km Depth of the event in kilometers.
Place 128 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 2025-07-30 01:07:43 Time when the event occurred. UTC/GMT
Updated 2025-08-16 09:32:27 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 369 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 92 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 1.213 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.54 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 us6000r10w Id of event.
Event Code 6000r10w An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us6000r10w, A comma-separated list of event ids that are associated to an event.

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