Light earthquake, 4.9 mag strikes near Ozernovskiy in Russia

A light earthquake magnitude 4.9 (ml/mb) strikes 120 km E of Ozernovskiy, Russia (75 miles) on Wednesday. The earthquake occurred at a depth of 35 km (22 miles). A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). Exact time and date of earthquake 30/07/25 / 2025-07-30 04:22:22 / July 30, 2025 @ 4:22 am UTC/GMT. Exact location of event, longitude 158.23 East, latitude 51.5455 North, depth = 35 km. The temblor was picked up at 04:22:22 / 4:22 am (local time epicenter). All ids that are associated to the event: us6000qwak. Unique identifier: us6000qwak.

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

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Did objects rattle, topple over, or fall off shelves? Leave a comment or report about activity, shaking and damage at your home, country and city. Read more about the earthquake, Distances, Seismometer information, Date-Time, Parameters, Location and details about this quake, that has struck: 120 km E of Ozernovskiy, Russia. This data comes from the USGS Earthquake Notification Service.

Ozernovskiy Russia

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Parameter	Value	Description
Magnitude	4.9 mb	The magnitude for the event.
Longitude	158.23° East	Decimal degrees longitude. Negative values for western longitudes.
Latitude	51.5455° North	Decimal degrees latitude. Negative values for southern latitudes.
Depth	35 km	Depth of the event in kilometers.
Place	120 km E 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	2025-07-30 04:22:22	Time when the event occurred. UTC/GMT
Updated	2025-08-01 03:12:59	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	46	The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance	1.503	Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square	0.77 sec	The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap	132	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	us6000qwak	Id of event.
Event Code	6000qwak	An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS	,us6000qwak,	A comma-separated list of event ids that are associated to an event.

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Light earthquake, 4.9 mag strikes near Ozernovskiy in Russia

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