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Light earthquake: M4.6 quake has struck near Pangai in Tonga

Posted by admin on May 15, 2025 0 Comments

Earthquake location -19.7134S, -174.6187WA light earthquake with magnitude 4.6 (ml/mb) was reported 29 kilometers (18 miles) from Pangai in Tonga on Tuesday. The earthquake occurred at a depth of 133.641 km (83 miles) below the earth’s surface. Exact location of earthquake, -174.6187° West, -19.7134° South, depth 133.641 km. The temblor was picked up at 07:37:47 / 7:37 am (local time epicenter). A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). Event ids that are associated to the earthquake: us7000py06. Id of event: us7000py06. Exact time and date of earthquake 22/04/25 / 2025-04-22 07:37:47 / April 22, 2025 @ 7:37 am UTC/GMT.

Earthquake epicenter was 30 km (19 miles) from Pangai (c. 1 700 pop). Closest city/cities/towns to epicentrum/hypocenter was Pangai (min 5000 pop). Nearby country/countries, Tonga (c. 123 000 pop) (That might be effected).

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

Questions or comments?

How did you react? Was there any damage to buildings? Leave a comment or report about shaking, activity and damage at your home, city 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: 29 km WNW of Pangai, Tonga.

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More information

Parameter Value Description
Magnitude 4.6 mb The magnitude for the event.
Longitude -174.6187° West Decimal degrees longitude. Negative values for western longitudes.
Latitude -19.7134° South Decimal degrees latitude. Negative values for southern latitudes.
Depth 133.641 km Depth of the event in kilometers.
Place 29 km WNW of Pangai, Tonga Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2025-04-22 07:37:47 Time when the event occurred. UTC/GMT
Updated 2025-05-15 14:20:29 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 31 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 4.473 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.97 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 97 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 us7000py06 Id of event.
Event Code 7000py06 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us7000py06, A comma-separated list of event ids that are associated to an event.

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