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Light World Earthquakes Magnitude 4-4.9

Light earthquake 4.3 mag, 274 km WNW of Houma, Tonga

Posted by admin on April 25, 2025 0 Comments

Earthquake location -19.8354S, -177.5238WA light earthquake magnitude 4.3 (ml/mb) has occurred on Saturday, 274 km WNW of Houma, Tonga (170 miles). Exact location of earthquake, longitude -177.5238 West, latitude -19.8354 South, depth = 544.515 km. The earthquake occurred at a depth of 544.515 km (338 miles). 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: us7000pv1x. Id of event: us7000pv1x. Exact time and date of earthquake 12/04/25 / 2025-04-12 03:01:20 / April 12, 2025 @ 3:01 am UTC/GMT. The 4.3-magnitude earthquake has occurred at 03:01:20 / 3:01 am (local time epicenter).

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

How would you describe the shaking?

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. Read more about the earthquake, Location, Distances, Seismometer information, Date-Time, Parameters and details about this quake, reported near: 274 km WNW of Houma, Tonga. This information comes from the USGS Earthquake Notification Service.

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More information

Parameter Value Description
Magnitude 4.3 mb The magnitude for the event.
Longitude -177.5238° West Decimal degrees longitude. Negative values for western longitudes.
Latitude -19.8354° South Decimal degrees latitude. Negative values for southern latitudes.
Depth 544.515 km Depth of the event in kilometers.
Place 274 km WNW 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 2025-04-12 03:01:20 Time when the event occurred. UTC/GMT
Updated 2025-04-25 22:21:41 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 284 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 17 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 4.458 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.78 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 128 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 us7000pv1x Id of event.
Event Code 7000pv1x An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us7000pv1x, A comma-separated list of event ids that are associated to an event.

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