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Light World Earthquakes Magnitude 4-4.9

Light earthquake, 4 mag has occurred near Houma in Tonga

Posted by admin on October 22, 2024 0 Comments

Earthquake location -20.6774S, -177.8755WA light earthquake magnitude 4 (ml/mb) has struck on Tuesday, 273 km WNW of Houma, Tonga (170 miles). Event id: us6000nz2y. Ids that are associated to the earthquake: us6000nz2y. The epicenter of the earthquake was roughly 476.814 km (296 miles) below the earth’s surface. The 4-magnitude earthquake has occurred at 13:58:56 / 1:58 pm (local time epicenter). Exact location of earthquake, longitude -177.8755 West, latitude -20.6774 South, depth = 476.814 km. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). Global date and time of event UTC/GMT: 24/09/24 / 2024-09-24 13:58:56 / September 24, 2024 @ 1:58 pm.

In the past 24 hours, there have been five, in the last 10 days thirteen, in the past 30 days fourteen and in the last 365 days eighty-three earthquakes of magnitude 3.0 or greater that have been detected in the same area. Earthquakes 4.0 to 5.0 are often felt, but only causes minor damage. Each year there are an estimated 13,000 light earthquakes in the world.

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. 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: 273 km WNW of Houma, Tonga.

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More information

Parameter Value Description
Magnitude 4 mb The magnitude for the event.
Longitude -177.8755° West Decimal degrees longitude. Negative values for western longitudes.
Latitude -20.6774° South Decimal degrees latitude. Negative values for southern latitudes.
Depth 476.814 km Depth of the event in kilometers.
Place 273 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 2024-09-24 13:58:56 Time when the event occurred. UTC/GMT
Updated 2024-10-22 16:32:50 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 26 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 4.828 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.73 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 127 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 us6000nz2y Id of event.
Event Code 6000nz2y An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us6000nz2y, A comma-separated list of event ids that are associated to an event.

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