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Light earthquake: M4 quake has struck near Ozernovskiy in Russia

Posted by admin on August 21, 2025 0 Comments

Earthquake location 51.2092S, 158.9113WA light earthquake magnitude 4 (ml/mb) has struck on Thursday, 170 km ESE of Ozernovskiy, Russia (106 miles). Global date and time of event UTC/GMT: 31/07/25 / 2025-07-31 19:50:04 / July 31, 2025 @ 7:50 pm. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). The epicenter of the earthquake was roughly 10 km (6 miles) below the earth’s surface. Id of earthquake: us6000r2hh. Event ids that are associated: us6000r2hh. The temblor was reported at 19:50:04 / 7:50 pm (local time epicenter). Exact location of earthquake, longitude 158.9113 East, latitude 51.2092 North, depth = 10 km.

There are an estimated 13,000 light quakes in the world each year. In the past 24 hours, there have been two hundred and seventy-one, in the last 10 days four hundred and eighty-two, in the past 30 days four hundred and eighty-six and in the last 365 days four hundred and ninety-four earthquakes of magnitude 3.0 or greater that have been detected nearby. Earthquakes 4.0 to 5.0 are often felt, but only causes minor damage.

Did you feel it?

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. The information in this article comes from the USGS Earthquake Notification Service. Read more about the earthquake, Seismometer information, Distances, Parameters, Date-Time, Location and details about this quake, detected near: 170 km ESE of Ozernovskiy, Russia.

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More information

Parameter Value Description
Magnitude 4 mb The magnitude for the event.
Longitude 158.9113° East Decimal degrees longitude. Negative values for western longitudes.
Latitude 51.2092° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 10 km Depth of the event in kilometers.
Place 170 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 19:50:04 Time when the event occurred. UTC/GMT
Updated 2025-08-21 16:02:26 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 246 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 41 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 1.824 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.96 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 us6000r2hh Id of event.
Event Code 6000r2hh An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us6000r2hh, A comma-separated list of event ids that are associated to an event.

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