Moderate earthquake: M5.5 quake has struck near Tonga

A moderate earthquake with magnitude 5.5 (ml/mb) was reported South of Tonga (0 miles) on Saturday. The earthquake occurred at a depth of 10 km (6 miles). A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). Exact location of event, longitude -175.5638 West, latitude -24.4715 South, depth = 10 km. The temblor was detected at 10:27:27 / 10:27 am (local time epicenter). Exact time and date of earthquake 08/09/18 / 2018-09-08 22:27:27 / September 8, 2018 @ 10:27 pm UTC/GMT. Event ids that are associated to the earthquake: us2000hb83. Id of event: us2000hb83.

In the past 24 hours, there have been one, in the last 10 days two, in the past 30 days four and in the last 365 days thirty-four earthquakes of magnitude 3.0 or greater that have been detected nearby. Earthquakes 5.0 to 6.0 may cause light damage to buildings and other structures. Every year there are an estimated 1320 moderate earthquakes in the world.

Did you feel it?

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: South of Tonga. This information comes from the USGS Earthquake Notification Service.

Tonga

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Parameter	Value	Description
Magnitude	5.5 mb	The magnitude for the event.
Longitude	-175.5638° West	Decimal degrees longitude. Negative values for western longitudes.
Latitude	-24.4715° South	Decimal degrees latitude. Negative values for southern latitudes.
Depth	10 km	Depth of the event in kilometers.
Place	South of Tonga	Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time	2018-09-08 22:27:27	Time when the event occurred. UTC/GMT
Updated	2018-09-08 22:49:17	Time when the event was most recently updated. UTC/GMT
Timezone offset	-720	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	2.33	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	465	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	7.499	Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square	1.1 sec	The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap	97	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	us2000hb83	Id of event.
Event Code	2000hb83	An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS	,us2000hb83,	A comma-separated list of event ids that are associated to an event.

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Moderate earthquake: M5.5 quake has struck near Tonga

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