Moderate earthquake, 5.1 mag was detected near `Ohonua in Tonga

A moderate earthquake magnitude 5.1 (ml/mb) has occurred on Monday, 298 km S of `Ohonua, Tonga (185 miles). Event id: us1000at8f. Ids that are associated to the earthquake: us1000at8f. Exact location of earthquake, -175.4848° West, -23.9803° South, depth 10 km. The earthquake was roughly at a depth of 10 km (6 miles). The temblor was detected at 23:27:59 / 11:27 pm (local time epicenter). A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). Exact time and date of earthquake 17/10/17 / 2017-10-17 11:27:59 / October 17, 2017 @ 11:27 am UTC/GMT.

There are an estimated 1320 moderate quakes 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 six, in the last 10 days six, in the past 30 days seven and in the last 365 days twenty-four earthquakes of magnitude 3.0 or greater that have been detected in the same area.

Did you feel the quake?

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: 298 km S of `Ohonua, Tonga. This data comes from the USGS Earthquake Notification Service.

`Ohonua Tonga

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Parameter	Value	Description
Magnitude	5.1 mb	The magnitude for the event.
Longitude	-175.4848° West	Decimal degrees longitude. Negative values for western longitudes.
Latitude	-23.9803° South	Decimal degrees latitude. Negative values for southern latitudes.
Depth	10 km	Depth of the event in kilometers.
Place	298km S of `Ohonua, Tonga	Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time	2017-10-17 11:27:59	Time when the event occurred. UTC/GMT
Updated	2017-10-17 11:48:44	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		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	400	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	5.681	Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square	0.74 sec	The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap	51	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	us1000at8f	Id of event.
Event Code	1000at8f	An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS	,us1000at8f,	A comma-separated list of event ids that are associated to an event.

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Moderate earthquake, 5.1 mag was detected near `Ohonua in Tonga

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