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Light World Earthquakes Magnitude 4-4.9

Light earthquake, 4 mag strikes near Severo-Kuril’sk in Russia

Posted by admin on August 31, 2025 0 Comments

Earthquake location 49.3583S, 157.3698WA light earthquake magnitude 4 (ml/mb) has occurred on Monday, 171 km SSE of Severo-Kuril’sk, Russia (106 miles). Id of earthquake: us7000qrbr. Event ids that are associated: us7000qrbr. The 4-magnitude earthquake was detected at 03:20:37 / 3:20 am (local time epicenter). Exact location of earthquake, 157.3698° East, 49.3583° North, depth 10 km. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). The epicenter of the earthquake was roughly 10 km (6 miles) below the earth’s surface. Exact time and date of earthquake 04/08/25 / 2025-08-04 03:20:37 / August 4, 2025 @ 3:20 am UTC/GMT.

There are an estimated 13,000 light quakes in the world each year. Earthquakes 4.0 to 5.0 are often felt, but only causes minor damage. In the past 24 hours, there have been sixty-two, in the last 10 days two hundred and fourty, in the past 30 days two hundred and fourty and in the last 365 days two hundred and fourty-six earthquakes of magnitude 3.0 or greater that have been detected nearby.

Did you feel the quake?

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. Read more about the earthquake, Distances, Seismometer information, Date-Time, Parameters, Location and details about this quake, that has struck: 171 km SSE of Severo-Kuril’sk, Russia. This data comes from the USGS Earthquake Notification Service.

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More information

Parameter Value Description
Magnitude 4 mb The magnitude for the event.
Longitude 157.3698° East Decimal degrees longitude. Negative values for western longitudes.
Latitude 49.3583° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 10 km Depth of the event in kilometers.
Place 171 km SSE of Severo-Kuril’sk, Russia Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2025-08-04 03:20:37 Time when the event occurred. UTC/GMT
Updated 2025-08-31 19:11:38 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 3.757 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.41 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 187 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 us7000qrbr Id of event.
Event Code 7000qrbr An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us7000qrbr, A comma-separated list of event ids that are associated to an event.

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