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Light World Earthquakes Magnitude 4-4.9

Light earthquake, 4 mag strikes near Hihifo in Tonga

Posted by admin on December 11, 2024 0 Comments

Earthquake location -15.8603S, -173.6657WA light earthquake with magnitude 4 (ml/mb) was detected on Friday, 17 kilometers (11 miles) from Hihifo in Tonga. Exact location of event, longitude -173.6657 West, latitude -15.8603 South, depth = 95.303 km. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). The epicenter was at a depth of 95.303 km (59 miles). The 4-magnitude earthquake was detected at 20:20:26 / 8:20 pm (local time epicenter). Id of earthquake: us7000nuza. Event ids that are associated: us7000nuza. Global date and time of event UTC/GMT: 15/11/24 / 2024-11-15 20:20:26 / November 15, 2024 @ 8:20 pm.

Epicenter of the event was 17 km (11 miles) from Hihifo (c. 800 pop). Nearest cities/city/towns to hypocenter/epicentrum was Hihifo (min 5000 pop). Nearby country/countries, Tonga (c. 123 000 pop) (That might be effected).

In the past 24 hours, there have been three, in the last 10 days five, in the past 30 days thirteen and in the last 365 days fifty-two earthquakes of magnitude 3.0 or greater that have been detected nearby. 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.

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: 17 km NE of Hihifo, Tonga.

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More information

Parameter Value Description
Magnitude 4 mb The magnitude for the event.
Longitude -173.6657° West Decimal degrees longitude. Negative values for western longitudes.
Latitude -15.8603° South Decimal degrees latitude. Negative values for southern latitudes.
Depth 95.303 km Depth of the event in kilometers.
Place 17 km NE 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 2024-11-15 20:20:26 Time when the event occurred. UTC/GMT
Updated 2024-12-11 20:17:17 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 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 12 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 2.661 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.38 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 107 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 us7000nuza Id of event.
Event Code 7000nuza An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us7000nuza, A comma-separated list of event ids that are associated to an event.

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