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Light World Earthquakes Magnitude 4-4.9

Light earthquake, 4.6 mag was detected near Volcano Islands, Japan region

Posted by admin on September 9, 2025 0 Comments

Earthquake location 22.7691S, 143.5336WA light earthquake with magnitude 4.6 (ml/mb) was reported Volcano Islands, Japan region (0 miles) on Monday. Global time and date of event 11/08/25 / 2025-08-11 08:57:14 / August 11, 2025 @ 8:57 am UTC/GMT. Exact location of event, longitude 143.5336 East, latitude 22.7691 North, depth = 73.846 km. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). All ids that are associated to the event: us7000qu3q. Unique identifier: us7000qu3q. The temblor was picked up at 08:57:14 / 8:57 am (local time epicenter). The earthquake was roughly at a depth of 73.846 km (46 miles).

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

Did you feel it?

Did objects rattle, topple over, or fall off shelves? Leave a comment or report about activity, shaking and damage at your home, country and city. This information comes from the USGS Earthquake Notification Service. Read more about the earthquake, Seismometer information, Date-Time, Location, Distances, Parameters and details about this quake, recorded: Volcano Islands, Japan region.

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More information

Parameter Value Description
Magnitude 4.6 mb The magnitude for the event.
Longitude 143.5336° East Decimal degrees longitude. Negative values for western longitudes.
Latitude 22.7691° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 73.846 km Depth of the event in kilometers.
Place Volcano Islands, Japan region Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2025-08-11 08:57:14 Time when the event occurred. UTC/GMT
Updated 2025-09-09 12:41:13 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 326 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 32 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 4.478 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.62 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 99 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 us7000qu3q Id of event.
Event Code 7000qu3q An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us7000qu3q, A comma-separated list of event ids that are associated to an event.

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