Moderate earthquake, 5.5 mag has occurred near the Fiji Islands

A moderate earthquake with magnitude 5.5 (ml/mb) was detected on Sunday, south of the Fiji Islands (0 miles). A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). The temblor was reported at 08:52:59 / 8:52 am (local time epicenter). Exact location of event, depth 556.297 km, 178.842° East, -23.8619° South. The earthquake was roughly at a depth of 556.297 km (346 miles). Unique identifier: us6000rdex. Ids that are associated to the event: us6000rdex. Global date and time of event UTC/GMT: 28/09/25 / 2025-09-28 08:52:59 / September 28, 2025 @ 8:52 am.

In the past 24 hours, there have been one, in the last 10 days one, in the past 30 days two and in the last 365 days fourty-seven earthquakes of magnitude 3.0 or greater that have been detected in the same area. Earthquakes 5.0 to 6.0 may cause light damage to buildings and other structures. There are an estimated 1320 moderate earthquakes in the world each year.

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What was your situation during the earthquake? Leave a comment or report about damage, shaking and activity at your home, city and country. Read more about the earthquake, Distances, Seismometer information, Date-Time, Parameters, Location and details about this quake, that has struck: south of the Fiji Islands. This data comes from the USGS Earthquake Notification Service.

the Fiji Islands

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Parameter	Value	Description
Magnitude	5.5 mb	The magnitude for the event.
Longitude	178.842° East	Decimal degrees longitude. Negative values for western longitudes.
Latitude	-23.8619° South	Decimal degrees latitude. Negative values for southern latitudes.
Depth	556.297 km	Depth of the event in kilometers.
Place	south of the Fiji Islands	Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time	2025-09-28 08:52:59	Time when the event occurred. UTC/GMT
Updated	2025-09-28 09:14:29	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	1	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	465	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	56	The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance	6.131	Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square	0.82 sec	The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap	71	The largest azimuthal gap between azimuthally adjacent stations (in degrees).
Magnitude Type	mww	The method or algorithm used to calculate the preferred magnitude for the event.
Event Type	earthquake	Type of seismic event.
Event ID	us6000rdex	Id of event.
Event Code	6000rdex	An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS	,us6000rdex,	A comma-separated list of event ids that are associated to an event.

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Moderate earthquake, 5.5 mag has occurred near the Fiji Islands

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