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Light World Earthquakes Magnitude 4-4.9

Light earthquake, 4 mag has occurred near Petropavlovsk-Kamchatsky in Russia

Posted by admin on August 14, 2025 0 Comments

Earthquake location 52.4441S, 160.7128WA light earthquake with magnitude 4 (ml/mb) was detected on Monday, 156 km ESE of Petropavlovsk-Kamchatsky, Russia (97 miles). Global date and time of event UTC/GMT: 21/07/25 / 2025-07-21 10:56:56 / July 21, 2025 @ 10:56 am. The epicenter of the earthquake was roughly 10 km (6 miles) below the earth’s surface. Exact location, longitude 160.7128° East, latitude 52.4441° North, depth = 10 km. The 4-magnitude earthquake has occurred at 10:56:56 / 10:56 am (local time epicenter). A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). Event id: us6000qyby. Ids that are associated to the earthquake: us6000qyby.

Every year there are an estimated 13,000 light earthquakes 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 five hundred and fourty-nine, in the last 10 days six hundred and twenty-three, in the past 30 days six hundred and twenty-five and in the last 365 days seven hundred and eight earthquakes of magnitude 3.0 or greater that have been detected in the same area.

Did you feel it?

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

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More information

Parameter Value Description
Magnitude 4 mb The magnitude for the event.
Longitude 160.7128° East Decimal degrees longitude. Negative values for western longitudes.
Latitude 52.4441° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 10 km Depth of the event in kilometers.
Place 156 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 2025-07-21 10:56:56 Time when the event occurred. UTC/GMT
Updated 2025-08-14 10:46:50 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 21 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 1.382 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.98 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 150 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 us6000qyby Id of event.
Event Code 6000qyby An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us6000qyby, A comma-separated list of event ids that are associated to an event.

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