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Light World Earthquakes Magnitude 4-4.9

Light earthquake 4 mag, 162 km ESE of Petropavlovsk-Kamchatsky, Russia


Earthquake location 52.2835S, 160.6646WA light earthquake magnitude 4 (ml/mb) strikes 162 km ESE of Petropavlovsk-Kamchatsky, Russia (101 miles) on Thursday. 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: 31/07/25 / 2025-07-31 21:28:33 / July 31, 2025 @ 9:28 pm. The 4-magnitude earthquake has occurred at 21:28:33 / 9:28 pm (local time epicenter). Exact location of event, longitude 160.6646 East, latitude 52.2835 North, depth = 23.152 km. The earthquake occurred at a depth of 23.152 km (14 miles) below the earth’s surface. Event ids that are associated to the earthquake: us6000r2hr. Id of event: us6000r2hr.

Each year there are an estimated 13,000 light quakes in the world. In the past 24 hours, there have been two hundred and eighty-six, in the last 10 days six hundred and fifty-nine, in the past 30 days nine hundred and seven and in the last 365 days nine hundred and eighty-three 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.

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. Read more about the earthquake, Location, Distances, Seismometer information, Date-Time, Parameters and details about this quake, reported near: 162 km ESE of Petropavlovsk-Kamchatsky, Russia. This information 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 160.6646° East Decimal degrees longitude. Negative values for western longitudes.
Latitude 52.2835° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 23.152 km Depth of the event in kilometers.
Place 162 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 2025-07-31 21:28:33 Time when the event occurred. UTC/GMT
Updated 2025-08-24 01:31:38 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 21 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 1.434 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.48 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 152 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 us6000r2hr Id of event.
Event Code 6000r2hr An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us6000r2hr, A comma-separated list of event ids that are associated to an event.

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