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Light World Earthquakes Magnitude 4-4.9

Light earthquake: M4.2 quake has struck near Houma in Tonga

Posted by admin on December 23, 2024 0 Comments

Earthquake location -20.3682S, -177.7999WA light earthquake magnitude 4.2 (ml/mb) has occurred on Sunday, 274 km WNW of Houma, Tonga (170 miles). All ids that are associated to the event: us7000nyh4. Unique identifier: us7000nyh4. The epicenter of the earthquake was roughly 549.65 km (342 miles) below the earth’s surface. Exact location of earthquake, -177.7999° West, -20.3682° South, depth 549.65 km. The temblor was reported at 03:03:31 / 3:03 am (local time epicenter). Global time and date of event 01/12/24 / 2024-12-01 03:03:31 / December 1, 2024 @ 3:03 am UTC/GMT. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist).

In the past 24 hours, there have been four, in the last 10 days seven, in the past 30 days sixteen and in the last 365 days one hundred and seven earthquakes of magnitude 3.0 or greater that have been detected in the same area. Every year there are an estimated 13,000 light earthquakes in the world. Earthquakes 4.0 to 5.0 are often felt, but only causes minor damage.

Did you feel anything?

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. 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 4.2 mb The magnitude for the event.
Longitude -177.7999° West Decimal degrees longitude. Negative values for western longitudes.
Latitude -20.3682° South Decimal degrees latitude. Negative values for southern latitudes.
Depth 549.65 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 2024-12-01 03:03:31 Time when the event occurred. UTC/GMT
Updated 2024-12-23 04:54:12 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 271 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 23 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 4.71 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 99 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 us7000nyh4 Id of event.
Event Code 7000nyh4 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us7000nyh4, A comma-separated list of event ids that are associated to an event.

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