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Light earthquake, 4.5 mag was detected near Hihifo in Tonga

Posted by admin on October 12, 2024 0 Comments

Earthquake location -16.9047S, -173.465WA light earthquake with magnitude 4.5 (ml/mb) was detected on Saturday, 110 km SSE of Hihifo, Tonga (68 miles). The 4.5-magnitude earthquake was detected at 12:55:15 / 12:55 pm (local time epicenter). The epicenter of the earthquake was roughly 44.289 km (28 miles) below the earth’s surface. Date and time of earthquake in UTC/GMT: 12/10/24 / 2024-10-12 12:55:15 / October 12, 2024 @ 12:55 pm. Exact location of event, depth 44.289 km, -173.465° West, -16.9047° South. Event ids that are associated to the earthquake: us6000nya7. Id of event: us6000nya7. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist).

Earthquakes 4.0 to 5.0 are often felt, but only causes minor damage. In the past 24 hours, there have been one, in the last 10 days two, in the past 30 days three and in the last 365 days twenty-five earthquakes of magnitude 3.0 or greater that have been detected nearby. Each year there are an estimated 13,000 light earthquakes 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 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: 110 km SSE of Hihifo, Tonga.

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More information

Parameter Value Description
Magnitude 4.5 mb The magnitude for the event.
Longitude -173.465° West Decimal degrees longitude. Negative values for western longitudes.
Latitude -16.9047° South Decimal degrees latitude. Negative values for southern latitudes.
Depth 44.289 km Depth of the event in kilometers.
Place 110 km SSE 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 2024-10-12 12:55:15 Time when the event occurred. UTC/GMT
Updated 2024-10-12 13:29:55 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 312 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 21 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 3.392 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.86 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 126 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 us6000nya7 Id of event.
Event Code 6000nya7 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us6000nya7, A comma-separated list of event ids that are associated to an event.

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