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Light World Earthquakes Magnitude 4-4.9

Light earthquake, 4.4 mag has occurred near Houma in Tonga

Posted by admin on December 17, 2025 0 Comments

Earthquake location -20.6216S, -177.9714WA light earthquake magnitude 4.4 (ml/mb) has occurred on Saturday, 284 km WNW of Houma, Tonga (176 miles). A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). The epicenter of the earthquake was roughly 516.193 km (321 miles) below the earth’s surface. Exact location of earthquake, longitude -177.9714 West, latitude -20.6216 South, depth = 516.193 km. Global date and time of event UTC/GMT: 13/12/25 / 2025-12-13 04:31:07 / December 13, 2025 @ 4:31 am. The temblor was detected at 04:31:07 / 4:31 am (local time epicenter). Unique identifier: us6000rula. Ids that are associated to the event: us6000rula.

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

Questions or comments?

How did you respond? Did any furniture slide, topple over, or become displaced? Leave a comment or report about activity, shaking and damage 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: 284 km WNW of Houma, Tonga. This data comes from the USGS Earthquake Notification Service.

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More information

Parameter Value Description
Magnitude 4.4 mb The magnitude for the event.
Longitude -177.9714° West Decimal degrees longitude. Negative values for western longitudes.
Latitude -20.6216° South Decimal degrees latitude. Negative values for southern latitudes.
Depth 516.193 km Depth of the event in kilometers.
Place 284 km WNW of Houma, Tonga Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2025-12-13 04:31:07 Time when the event occurred. UTC/GMT
Updated 2025-12-17 03:28:27 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 24 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 4.723 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.5 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 211 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 us6000rula Id of event.
Event Code 6000rula An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us6000rula, A comma-separated list of event ids that are associated to an event.

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