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Light World Earthquakes Magnitude 4-4.9

Light earthquake, 4.6 mag was detected near Ozernovskiy in Russia


Earthquake location 50.4915S, 159.7905WA light earthquake magnitude 4.6 (ml/mb) strikes 256 km ESE of Ozernovskiy, Russia (159 miles) on Thursday. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). The epicenter was at a depth of 10 km (6 miles). Exact time and date of event in UTC/GMT: 31/07/25 / 2025-07-31 07:24:21 / July 31, 2025 @ 7:24 am. Exact location of event, longitude 159.7905 East, latitude 50.4915 North, depth = 10 km. The temblor was picked up at 07:24:21 / 7:24 am (local time epicenter). Id of earthquake: us6000r2fu. Event ids that are associated: us6000r2fu.

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

Questions or comments?

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, Distances, Seismometer information, Date-Time, Parameters, Location and details about this quake, that has struck: 256 km ESE of Ozernovskiy, Russia. This data comes from the USGS Earthquake Notification Service.

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More information

Parameter Value Description
Magnitude 4.6 mb The magnitude for the event.
Longitude 159.7905° East Decimal degrees longitude. Negative values for western longitudes.
Latitude 50.4915° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 10 km Depth of the event in kilometers.
Place 256 km ESE of Ozernovskiy, 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 07:24:21 Time when the event occurred. UTC/GMT
Updated 2025-08-21 11:30:48 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 326 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 24 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 2.633 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.65 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 128 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 us6000r2fu Id of event.
Event Code 6000r2fu An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us6000r2fu, A comma-separated list of event ids that are associated to an event.

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