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Light World Earthquakes Magnitude 4-4.9

Light earthquake 4 mag, 173 km ESE of Petropavlovsk-Kamchatsky, Russia

Posted by admin on August 20, 2025 0 Comments

Earthquake location 52.2659S, 160.8305WA light earthquake magnitude 4 (ml/mb) has occurred on Wednesday, 173 km ESE of Petropavlovsk-Kamchatsky, Russia (107 miles). The temblor was detected at 20:36:18 / 8:36 pm (local time epicenter). Exact location of earthquake, 160.8305° East, 52.2659° North, depth 56.854 km. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). Unique identifier: us6000r1ak. Ids that are associated to the event: us6000r1ak. Exact time and date of earthquake 30/07/25 / 2025-07-30 20:36:18 / July 30, 2025 @ 8:36 pm UTC/GMT. The earthquake occurred at a depth of 56.854 km (35 miles) below the earth’s surface.

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 fifty-four, in the last 10 days six hundred and sixteen, in the past 30 days seven hundred and fifty-six and in the last 365 days eight hundred and twenty earthquakes of magnitude 3.0 or greater that was reported nearby. Every year there are an estimated 13,000 light earthquakes in the world.

Questions or comments?

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. 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: 173 km ESE of Petropavlovsk-Kamchatsky, Russia.

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More information

Parameter Value Description
Magnitude 4 mb The magnitude for the event.
Longitude 160.8305° East Decimal degrees longitude. Negative values for western longitudes.
Latitude 52.2659° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 56.854 km Depth of the event in kilometers.
Place 173 km ESE of Petropavlovsk-Kamchatsky, 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 20:36:18 Time when the event occurred. UTC/GMT
Updated 2025-08-20 21:27:50 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 31 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 1.53 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 164 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 us6000r1ak Id of event.
Event Code 6000r1ak An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us6000r1ak, A comma-separated list of event ids that are associated to an event.

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