Moderate earthquake, 5.4 mag has occurred near Houma in Tonga

A moderate earthquake with magnitude 5.4 (ml/mb) was detected on Wednesday, 266 km W of Houma, Tonga (165 miles). The temblor was reported at 21:31:47 / 9:31 pm (local time epicenter). Exact time and date of event in UTC/GMT: 17/04/24 / 2024-04-17 21:31:47 / April 17, 2024 @ 9:31 pm. Exact location, longitude -177.8682° West, latitude -21.2737° South, depth = 387.775 km. The epicenter was at a depth of 387.775 km (241 miles). All ids that are associated to the event: us7000mcru. Unique identifier: us7000mcru. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist).

There are an estimated 1320 moderate earthquakes in the world each year. Earthquakes 5.0 to 6.0 may cause light damage to buildings and other structures. In the past 24 hours, there have been five, in the last 10 days five, in the past 30 days five and in the last 365 days five earthquakes of magnitude 3.0 or greater that was reported nearby.

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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, Distances, Seismometer information, Date-Time, Parameters, Location and details about this quake, that has struck: 266 km W of Houma, Tonga. This data comes from the USGS Earthquake Notification Service.

Houma Tonga

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Parameter	Value	Description
Magnitude	5.4 mb	The magnitude for the event.
Longitude	-177.8682° West	Decimal degrees longitude. Negative values for western longitudes.
Latitude	-21.2737° South	Decimal degrees latitude. Negative values for southern latitudes.
Depth	387.775 km	Depth of the event in kilometers.
Place	266 km W 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	2024-04-17 21:31:47	Time when the event occurred. UTC/GMT
Updated	2024-05-13 22:45:10	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	0	The maximum estimated instrumental intensity for the event.
Alert Level	green	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	449	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	273	The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance	2.488	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	19	The largest azimuthal gap between azimuthally adjacent stations (in degrees).
Magnitude Type	mww	The method or algorithm used to calculate the preferred magnitude for the event.
Event Type	earthquake	Type of seismic event.
Event ID	us7000mcru	Id of event.
Event Code	7000mcru	An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS	,us7000mcru,	A comma-separated list of event ids that are associated to an event.

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Moderate earthquake, 5.4 mag has occurred near Houma in Tonga

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