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Light World Earthquakes Magnitude 4-4.9

Light earthquake: M4.4 quake has struck near Vilyuchinsk in Russia


Earthquake location 51.6809S, 159.1715WA light earthquake with magnitude 4.4 (ml/mb) was detected on Wednesday, 148 km SSE of Vilyuchinsk, Russia (92 miles). The temblor was reported at 17:38:21 / 5:38 pm (local time epicenter). Id of earthquake: us6000r1ar. Event ids that are associated: us6000r1ar. Exact time and date of event in UTC/GMT: 30/07/25 / 2025-07-30 17:38:21 / July 30, 2025 @ 5:38 pm. The epicenter of the earthquake was roughly 81.936 km (51 miles) below the earth’s surface. Exact location of earthquake, longitude 159.1715 East, latitude 51.6809 North, depth = 81.936 km. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist).

Every year there are an estimated 13,000 light earthquakes 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 four hundred and six, in the last 10 days four hundred and seventy-four, in the past 30 days four hundred and seventy-six and in the last 365 days four hundred and eighty-nine earthquakes of magnitude 3.0 or greater that was reported nearby.

Did you feel the quake?

Were you asleep? Was it difficult to stand and/or walk? Leave a comment or report about shaking, activity and damage at your city, home and country. Read more about the earthquake, Location, Distances, Seismometer information, Date-Time, Parameters and details about this quake, reported near: 148 km SSE of Vilyuchinsk, Russia. This information comes from the USGS Earthquake Notification Service.

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More information

Parameter Value Description
Magnitude 4.4 mb The magnitude for the event.
Longitude 159.1715° East Decimal degrees longitude. Negative values for western longitudes.
Latitude 51.6809° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 81.936 km Depth of the event in kilometers.
Place 148 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 17:38:21 Time when the event occurred. UTC/GMT
Updated 2025-08-17 21:49:27 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 298 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 14 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 1.382 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.63 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 194 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 us6000r1ar Id of event.
Event Code 6000r1ar An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us6000r1ar, A comma-separated list of event ids that are associated to an event.

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