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Light World Earthquakes Magnitude 4-4.9

Light earthquake, 4.4 mag strikes near Severo-Kuril’sk in Russia


Earthquake location 49.7363S, 155.8618WA light earthquake with magnitude 4.4 (ml/mb) was reported 106 km S of Severo-Kuril’sk, Russia (66 miles) on Friday. Exact location of event, longitude 155.8618 East, latitude 49.7363 North, depth = 66.471 km. The 4.4-magnitude earthquake has occurred at 07:28:03 / 7:28 am (local time epicenter). The earthquake occurred at a depth of 66.471 km (41 miles). A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). Date and time of earthquake in UTC/GMT: 01/08/25 / 2025-08-01 07:28:03 / August 1, 2025 @ 7:28 am. Event ids that are associated to the earthquake: us6000qx84. Id of event: us6000qx84.

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

Questions or comments?

What was your situation during the earthquake? Leave a comment or report about damage, shaking and activity at your home, city 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: 106 km S of Severo-Kuril’sk, Russia.

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More information

Parameter Value Description
Magnitude 4.4 mb The magnitude for the event.
Longitude 155.8618° East Decimal degrees longitude. Negative values for western longitudes.
Latitude 49.7363° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 66.471 km Depth of the event in kilometers.
Place 106 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 2025-08-01 07:28:03 Time when the event occurred. UTC/GMT
Updated 2025-08-23 12:10:42 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 298 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 62 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 3.567 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.67 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 132 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 us6000qx84 Id of event.
Event Code 6000qx84 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us6000qx84, A comma-separated list of event ids that are associated to an event.

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