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Light World Earthquakes Magnitude 4-4.9

Light earthquake, 4.6 mag strikes near Hihifo in Tonga


Earthquake location -16.0767S, -174.3071WA light earthquake with magnitude 4.6 (ml/mb) was reported 56 kilometers (35 miles) from Hihifo in Tonga on Friday. Id of earthquake: us7000nrkp. Event ids that are associated: us7000nrkp. The earthquake occurred at a depth of 115.586 km (72 miles) below the earth’s surface. Exact location of earthquake, -174.3071° West, -16.0767° South, depth 115.586 km. Exact time and date of earthquake 25/10/24 / 2024-10-25 18:18:20 / October 25, 2024 @ 6:18 pm UTC/GMT. The temblor was detected at 18:18:20 / 6:18 pm (local time epicenter). A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist).

Epicenter of the earthquake was 56 km (35 miles) from Hihifo (c. 800 pop). Nearest city/cities or towns, with min 5000 pop, to epicentrum/hypocenter was Hihifo. Close country/countries that might be effected, Tonga (c. 123 000 pop).

In the past 24 hours, there have been five, in the last 10 days seven, in the past 30 days nine and in the last 365 days thirty-six earthquakes of magnitude 3.0 or greater that has struck near. Earthquakes 4.0 to 5.0 are often felt, but only causes minor damage. There are an estimated 13,000 light earthquakes in the world each year.

How would you describe the shaking?

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 data comes from the USGS Earthquake Notification Service. Read more about the earthquake, Seismometer information, Distances, Parameters, Date-Time, Location and details about this quake, that has occurred near: 56 km WSW of Hihifo, Tonga.

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More information

Parameter Value Description
Magnitude 4.6 mb The magnitude for the event.
Longitude -174.3071° West Decimal degrees longitude. Negative values for western longitudes.
Latitude -16.0767° South Decimal degrees latitude. Negative values for southern latitudes.
Depth 115.586 km Depth of the event in kilometers.
Place 56 km WSW of Hihifo, Tonga Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2024-10-25 18:18:20 Time when the event occurred. UTC/GMT
Updated 2024-11-20 17:04:17 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 25 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 3.255 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.88 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 89 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 us7000nrkp Id of event.
Event Code 7000nrkp An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us7000nrkp, A comma-separated list of event ids that are associated to an event.

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