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Light World Earthquakes Magnitude 4-4.9

Light earthquake 4.7 mag, 176 km S of Severo-Kuril’sk, Russia

Posted by admin on August 22, 2025 0 Comments

Earthquake location 49.0926S, 156.3138WA light earthquake with magnitude 4.7 (ml/mb) was reported 176 km S of Severo-Kuril’sk, Russia (109 miles) on Wednesday. Id of earthquake: us6000qwcw. Event ids that are associated: us6000qwcw. Date and time of earthquake in UTC/GMT: 30/07/25 / 2025-07-30 06:55:49 / July 30, 2025 @ 6:55 am. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). The epicenter was at a depth of 10 km (6 miles). The 4.7-magnitude earthquake was detected at 06:55:49 / 6:55 am (local time epicenter). Exact location of event, longitude 156.3138 East, latitude 49.0926 North, depth = 10 km.

There are an estimated 13,000 light earthquakes in the world each year. In the past 24 hours, there have been one hundred and three, in the last 10 days one hundred and three, in the past 30 days one hundred and three and in the last 365 days one hundred and fifteen earthquakes of magnitude 3.0 or greater that have been detected in the same area. Earthquakes 4.0 to 5.0 are often felt, but only causes minor damage.

How would you describe the shaking?

Were you asleep? Was it difficult to stand and/or walk? Leave a comment or report about shaking, activity and damage at your city, home and country. 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: 176 km S of Severo-Kuril’sk, Russia.

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More information

Parameter Value Description
Magnitude 4.7 mb The magnitude for the event.
Longitude 156.3138° East Decimal degrees longitude. Negative values for western longitudes.
Latitude 49.0926° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 10 km Depth of the event in kilometers.
Place 176 km S 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 2025-07-30 06:55:49 Time when the event occurred. UTC/GMT
Updated 2025-08-22 11:25:20 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 340 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 90 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 4.115 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 1.15 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 131 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 us6000qwcw Id of event.
Event Code 6000qwcw An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us6000qwcw, A comma-separated list of event ids that are associated to an event.

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