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Moderate World Earthquakes Magnitude 5–5.9

Moderate earthquake 5.4 mag, 161 km ESE of Ozernovskiy, Russia


Earthquake location 50.9849S, 158.6593WA moderate earthquake magnitude 5.4 (ml/mb) has struck on Wednesday, 161 km ESE of Ozernovskiy, Russia (100 miles). A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). The temblor was reported at 00:26:05 / 12:26 am (local time epicenter). The epicenter was at a depth of 35 km (22 miles). Exact location, longitude 158.6593° East, latitude 50.9849° North, depth = 35 km. Global time and date of event 30/07/25 / 2025-07-30 00:26:05 / July 30, 2025 @ 12:26 am UTC/GMT. Event id: us6000r1d7. Ids that are associated to the earthquake: us6000r1d7.

In the past 24 hours, there have been four hundred and eleven, in the last 10 days four hundred and fourteen, in the past 30 days four hundred and fourteen and in the last 365 days four hundred and twenty-one earthquakes of magnitude 3.0 or greater that have been detected in the same area. Every year there are an estimated 1320 moderate earthquakes in the world. Earthquakes 5.0 to 6.0 may cause light damage to buildings and other structures.

How would you describe the shaking?

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: 161 km ESE of Ozernovskiy, Russia.

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More information

Parameter Value Description
Magnitude 5.4 mb The magnitude for the event.
Longitude 158.6593° East Decimal degrees longitude. Negative values for western longitudes.
Latitude 50.9849° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 35 km Depth of the event in kilometers.
Place 161 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 00:26:05 Time when the event occurred. UTC/GMT
Updated 2025-08-18 20:36:10 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 449 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 61 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 2.042 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.57 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 81 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 us6000r1d7 Id of event.
Event Code 6000r1d7 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us6000r1d7, A comma-separated list of event ids that are associated to an event.

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