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Light World Earthquakes Magnitude 4-4.9

Light earthquake 4 mag, 299 km NW of Houma, Tonga

Posted by admin on December 17, 2025 0 Comments

Earthquake location -19.6284S, -177.6558WA light earthquake magnitude 4 (ml/mb) has occurred on Wednesday, 299 km NW of Houma, Tonga (186 miles). The epicenter of the earthquake was roughly 420.039 km (261 miles) below the earth’s surface. Exact time and date of earthquake 26/11/25 / 2025-11-26 17:43:18 / November 26, 2025 @ 5:43 pm UTC/GMT. The 4-magnitude earthquake has occurred at 17:43:18 / 5:43 pm (local time epicenter). Event ids that are associated to the earthquake: us6000ruha. Id of event: us6000ruha. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). Exact location of earthquake, longitude -177.6558 West, latitude -19.6284 South, depth = 420.039 km.

Each year there are an estimated 13,000 light earthquakes in the world. In the past 24 hours, there have been four, in the last 10 days six, in the past 30 days eleven and in the last 365 days one hundred and twenty-one earthquakes of magnitude 3.0 or greater that was reported nearby. Earthquakes 4.0 to 5.0 are often felt, but only causes minor damage.

Questions or comments?

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. 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: 299 km NW of Houma, Tonga.

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More information

Parameter Value Description
Magnitude 4 mb The magnitude for the event.
Longitude -177.6558° West Decimal degrees longitude. Negative values for western longitudes.
Latitude -19.6284° South Decimal degrees latitude. Negative values for southern latitudes.
Depth 420.039 km Depth of the event in kilometers.
Place 299 km NW 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 2025-11-26 17:43:18 Time when the event occurred. UTC/GMT
Updated 2025-12-17 18:04:51 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 25 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 4.222 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.81 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 98 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 us6000ruha Id of event.
Event Code 6000ruha An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us6000ruha, A comma-separated list of event ids that are associated to an event.

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