Light earthquake 4 mag, 281 km WNW of Haveluloto, Tonga

A light earthquake magnitude 4 (ml/mb) has occurred on Tuesday, 281 km WNW of Haveluloto, Tonga (175 miles). The temblor was reported at 19:22:12 / 7:22 pm (local time epicenter). Global time and date of event 09/02/21 / 2021-02-09 19:22:12 / February 9, 2021 @ 7:22 pm UTC/GMT. Exact location, longitude -177.8154° West, latitude -20.4739° South, depth = 501.22 km. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). The earthquake occurred at a depth of 501.22 km (311 miles). Unique identifier: us6000di2h. Ids that are associated to the event: us6000di2h.

There are an estimated 13,000 light earthquakes in the world each year. In the past 24 hours, there have been seven, in the last 10 days twelve, in the past 30 days twenty-three and in the last 365 days one hundred and ninety 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.

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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. Read more about the earthquake, Distances, Seismometer information, Date-Time, Parameters, Location and details about this quake, that has struck: 281 km WNW of Haveluloto, Tonga. This data comes from the USGS Earthquake Notification Service.

Haveluloto Tonga

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Parameter	Value	Description
Magnitude	4 mb	The magnitude for the event.
Longitude	-177.8154° West	Decimal degrees longitude. Negative values for western longitudes.
Latitude	-20.4739° South	Decimal degrees latitude. Negative values for southern latitudes.
Depth	501.22 km	Depth of the event in kilometers.
Place	281 km WNW of Haveluloto, Tonga	Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time	2021-02-09 19:22:12	Time when the event occurred. UTC/GMT
Updated	2021-03-10 19:36:29	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		The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance	4.757	Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square	0.32 sec	The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap	116	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	us6000di2h	Id of event.
Event Code	6000di2h	An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS	,us6000di2h,	A comma-separated list of event ids that are associated to an event.

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Light earthquake 4 mag, 281 km WNW of Haveluloto, Tonga

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