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Light World Earthquakes Magnitude 4-4.9

Light earthquake, 4.3 mag was detected near Houma in Tonga


Earthquake location -19.3723S, -177.2424WA light earthquake with magnitude 4.3 (ml/mb) was reported 284 km NW of Houma, Tonga (176 miles) on Thursday. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). The earthquake was roughly at a depth of 588.537 km (366 miles). Exact location of earthquake, -177.2424° West, -19.3723° South, depth 588.537 km. Exact time and date of earthquake 25/04/24 / 2024-04-25 11:46:32 / April 25, 2024 @ 11:46 am UTC/GMT. The 4.3-magnitude earthquake has occurred at 11:46:32 / 11:46 am (local time epicenter). Id of earthquake: us6000mw0k. Event ids that are associated: us6000mw0k.

In the past 24 hours, there have been six, in the last 10 days eight, in the past 30 days eight and in the last 365 days eight 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 quakes in the world each year.

Questions or comments?

How did you respond? Did any furniture slide, topple over, or become displaced? Leave a comment or report about activity, shaking 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: 284 km NW of Houma, Tonga.

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More information

Parameter Value Description
Magnitude 4.3 mb The magnitude for the event.
Longitude -177.2424° West Decimal degrees longitude. Negative values for western longitudes.
Latitude -19.3723° South Decimal degrees latitude. Negative values for southern latitudes.
Depth 588.537 km Depth of the event in kilometers.
Place 284 km NW 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 2024-04-25 11:46:32 Time when the event occurred. UTC/GMT
Updated 2024-05-23 10:31:24 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 19 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 2.619 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.57 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 93 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 us6000mw0k Id of event.
Event Code 6000mw0k An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us6000mw0k, A comma-separated list of event ids that are associated to an event.

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