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Light World Earthquakes Magnitude 4-4.9

Light earthquake 4.3 mag, 99 km E of Ozernovskiy, Russia


Earthquake location 51.5226S, 157.9347WA light earthquake magnitude 4.3 (ml/mb) has occurred on Friday, 99 km E of Ozernovskiy, Russia (62 miles). A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). The earthquake occurred at a depth of 64.581 km (40 miles) below the earth’s surface. The temblor was detected at 13:19:16 / 1:19 pm (local time epicenter). Global date and time of event UTC/GMT: 01/08/25 / 2025-08-01 13:19:16 / August 1, 2025 @ 1:19 pm. Unique identifier: us6000r32u. Ids that are associated to the event: us6000r32u. Exact location of event, longitude 157.9347 East, latitude 51.5226 North, depth = 64.581 km.

In the past 24 hours, there have been two hundred and two, in the last 10 days four hundred and thirty-nine, in the past 30 days four hundred and fourty and in the last 365 days four hundred and fourty-nine earthquakes of magnitude 3.0 or greater that have been detected in the same area. 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.

Questions or comments?

How did you react? Was there any damage to buildings? Leave a comment or report about shaking, activity and damage at your home, city and country. This information comes from the USGS Earthquake Notification Service. Read more about the earthquake, Seismometer information, Date-Time, Location, Distances, Parameters and details about this quake, recorded: 99 km E of Ozernovskiy, Russia.

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More information

Parameter Value Description
Magnitude 4.3 mb The magnitude for the event.
Longitude 157.9347° East Decimal degrees longitude. Negative values for western longitudes.
Latitude 51.5226° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 64.581 km Depth of the event in kilometers.
Place 99 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 2025-08-01 13:19:16 Time when the event occurred. UTC/GMT
Updated 2025-08-30 11:39:33 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 284 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 25 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 1.566 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.52 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 125 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 us6000r32u Id of event.
Event Code 6000r32u An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us6000r32u, A comma-separated list of event ids that are associated to an event.

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