Moderate earthquake: M5.1 quake has struck near Neiafu in Tonga

A moderate earthquake with magnitude 5.1 (ml/mb) was detected on Friday, 149 km NW of Neiafu, Tonga (93 miles). Exact time and date of event in UTC/GMT: 03/07/20 / 2020-07-03 02:59:57 / July 3, 2020 @ 2:59 am. Id of earthquake: us7000ah2x. Event ids that are associated: us7000ah2x. The earthquake was roughly at a depth of 188.68 km (117 miles). Exact location of earthquake, -175.1147° West, -17.8363° South, depth 188.68 km. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). The 5.1-magnitude earthquake was detected at 02:59:57 / 2:59 am (local time epicenter).

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 one, in the last 10 days one, in the past 30 days three and in the last 365 days thirty-nine earthquakes of magnitude 3.0 or greater that has occurred nearby.

Questions or comments?

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, Location, Distances, Seismometer information, Date-Time, Parameters and details about this quake, reported near: 149 km NW of Neiafu, Tonga. This information comes from the USGS Earthquake Notification Service.

Neiafu Tonga

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Parameter	Value	Description
Magnitude	5.1 mb	The magnitude for the event.
Longitude	-175.1147° West	Decimal degrees longitude. Negative values for western longitudes.
Latitude	-17.8363° South	Decimal degrees latitude. Negative values for southern latitudes.
Depth	188.68 km	Depth of the event in kilometers.
Place	149 km NW of Neiafu, Tonga	Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time	2020-07-03 02:59:57	Time when the event occurred. UTC/GMT
Updated	2020-07-03 03:17:34	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	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	5.052	Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square	1.25 sec	The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap	48	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	us7000ah2x	Id of event.
Event Code	7000ah2x	An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS	,us7000ah2x,	A comma-separated list of event ids that are associated to an event.

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Moderate earthquake: M5.1 quake has struck near Neiafu in Tonga

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