Light earthquake, 4.2 mag strikes near Houma in Tonga

A light earthquake magnitude 4.2 (ml/mb) has occurred on Thursday, 297 km NW of Houma, Tonga (185 miles). Exact location, longitude -177.6303° West, latitude -19.6272° South, depth = 593.494 km. All ids that are associated to the event: us7000mqn2. Unique identifier: us7000mqn2. Exact time and date of event in UTC/GMT: 30/05/24 / 2024-05-30 03:23:23 / May 30, 2024 @ 3:23 am. The 4.2-magnitude earthquake was detected at 03:23:23 / 3:23 am (local time epicenter). The epicenter was at a depth of 593.494 km (369 miles). 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 three, in the last 10 days six, in the past 30 days seventeen and in the last 365 days twenty-two earthquakes of magnitude 3.0 or greater that has occurred nearby. Earthquakes 4.0 to 5.0 are often felt, but only causes minor damage. Each year there are an estimated 13,000 light quakes in the world.

Questions or comments?

Were you asleep? Was it difficult to stand and/or walk? Leave a comment or report about shaking, activity and damage at your city, home 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: 297 km NW of Houma, Tonga.

Houma Tonga

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Parameter	Value	Description
Magnitude	4.2 mb	The magnitude for the event.
Longitude	-177.6303° West	Decimal degrees longitude. Negative values for western longitudes.
Latitude	-19.6272° South	Decimal degrees latitude. Negative values for southern latitudes.
Depth	593.494 km	Depth of the event in kilometers.
Place	297 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	2024-05-30 03:23:23	Time when the event occurred. UTC/GMT
Updated	2024-06-07 04:23:51	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	24	The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance	4.237	Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square	1.03 sec	The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap	134	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	us7000mqn2	Id of event.
Event Code	7000mqn2	An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS	,us7000mqn2,	A comma-separated list of event ids that are associated to an event.

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Light earthquake, 4.2 mag strikes near Houma in Tonga

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