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Light World Earthquakes Magnitude 4-4.9

Light earthquake, 4.9 mag was detected near Ozernovskiy in Russia


Earthquake location 51.1203S, 158.2101WA light earthquake with magnitude 4.9 (ml/mb) was detected on Wednesday, 126 km ESE of Ozernovskiy, Russia (78 miles). Exact location of event, depth 46.91 km, 158.2101° East, 51.1203° North. Exact time and date of earthquake 30/07/25 / 2025-07-30 04:49:51 / July 30, 2025 @ 4:49 am UTC/GMT. Id of earthquake: us6000r12a. Event ids that are associated: us6000r12a. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). The earthquake was roughly at a depth of 46.91 km (29 miles). The temblor was detected at 04:49:51 / 4:49 am (local time epicenter).

Each year there are an estimated 13,000 light quakes 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 three hundred and sixty-nine, in the last 10 days three hundred and seventy, in the past 30 days three hundred and seventy and in the last 365 days three hundred and seventy-eight earthquakes of magnitude 3.0 or greater that has struck near.

Did you feel it?

What was your situation during the earthquake? Leave a comment or report about damage, shaking and activity at your home, city and country. Read more about the earthquake, Location, Distances, Seismometer information, Date-Time, Parameters and details about this quake, reported near: 126 km ESE of Ozernovskiy, Russia. This information comes from the USGS Earthquake Notification Service.

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More information

Parameter Value Description
Magnitude 4.9 mb The magnitude for the event.
Longitude 158.2101° East Decimal degrees longitude. Negative values for western longitudes.
Latitude 51.1203° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 46.91 km Depth of the event in kilometers.
Place 126 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 2025-07-30 04:49:51 Time when the event occurred. UTC/GMT
Updated 2025-08-20 11:53:44 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 40 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 1.925 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.89 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 122 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 us6000r12a Id of event.
Event Code 6000r12a An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us6000r12a, A comma-separated list of event ids that are associated to an event.

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