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Light World Earthquakes Magnitude 4-4.9

Light earthquake: M4.5 quake has struck near the Loyalty Islands

Posted by admin on September 19, 2025 0 Comments

Earthquake location -22.5944S, 173.461WA light earthquake magnitude 4.5 (ml/mb) has struck on Saturday, southeast of the Loyalty Islands (0 miles). The epicenter of the earthquake was roughly 45.676 km (28 miles) below the earth’s surface. Global time and date of event 23/08/25 / 2025-08-23 23:39:03 / August 23, 2025 @ 11:39 pm UTC/GMT. Id of earthquake: us7000qwye. Event ids that are associated: us7000qwye. The 4.5-magnitude earthquake has occurred at 23:39:03 / 11:39 pm (local time epicenter). A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). Exact location of earthquake, 173.461° East, -22.5944° South, depth 45.676 km.

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 one, in the past 30 days one and in the last 365 days four earthquakes of magnitude 3.0 or greater that have been detected in the same area.

Did you feel anything?

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. 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: southeast of the Loyalty Islands.

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More information

Parameter Value Description
Magnitude 4.5 mb The magnitude for the event.
Longitude 173.461° East Decimal degrees longitude. Negative values for western longitudes.
Latitude -22.5944° South Decimal degrees latitude. Negative values for southern latitudes.
Depth 45.676 km Depth of the event in kilometers.
Place southeast of the Loyalty Islands Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2025-08-23 23:39:03 Time when the event occurred. UTC/GMT
Updated 2025-09-18 23:47:23 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 312 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 23 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 5.557 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 1.25 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 125 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 us7000qwye Id of event.
Event Code 7000qwye An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us7000qwye, A comma-separated list of event ids that are associated to an event.

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