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Light World Earthquakes Magnitude 4-4.9

Light earthquake: M4.2 quake has struck near Severo-Kuril’sk in Russia

Posted by admin on August 21, 2025 0 Comments

Earthquake location 49.8616S, 158.7017WA light earthquake magnitude 4.2 (ml/mb) has struck on Thursday, 204 km ESE of Severo-Kuril’sk, Russia (127 miles). Exact location of event, longitude 158.7017 East, latitude 49.8616 North, depth = 10 km. The temblor was detected at 08:11:35 / 8:11 am (local time epicenter). Unique identifier: us6000r2eg. Ids that are associated to the event: us6000r2eg. Date and time of earthquake in UTC/GMT: 31/07/25 / 2025-07-31 08:11:35 / July 31, 2025 @ 8:11 am. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). The earthquake was roughly at a depth of 10 km (6 miles).

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

Did you feel it?

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: 204 km ESE of Severo-Kuril’sk, Russia.

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More information

Parameter Value Description
Magnitude 4.2 mb The magnitude for the event.
Longitude 158.7017° East Decimal degrees longitude. Negative values for western longitudes.
Latitude 49.8616° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 10 km Depth of the event in kilometers.
Place 204 km ESE 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 2025-07-31 08:11:35 Time when the event occurred. UTC/GMT
Updated 2025-08-21 11:59:25 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 271 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 22 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 3.166 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.63 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 135 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 us6000r2eg Id of event.
Event Code 6000r2eg An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us6000r2eg, A comma-separated list of event ids that are associated to an event.

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