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Light earthquake: M4.6 quake has struck near Pangai in Tonga


Earthquake location -20.2289S, -173.8469WA light earthquake magnitude 4.6 (ml/mb) has struck on Saturday, 70 kilometers (43 miles) from Pangai in Tonga. The temblor was detected at 22:30:40 / 10:30 pm (local time epicenter). Global time and date of event 12/06/16 / 2016-06-12 10:30:40 / June 12, 2016 @ 10:30 am UTC/GMT. Unique identifier: us2000652v. Ids that are associated to the event: us2000652v. The epicenter of the earthquake was roughly 36.4 km (23 miles) below the earth’s surface. Exact location of event, depth 36.4 km, -173.8469° West, -20.2289° South. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist).

Close country/countries, Tonga (c. 123 000 pop) (That might be effected). Nearest city/cities or towns, with min 5000 pop, to epicentrum/hypocenter was Pangai. Event epicenter was 70 km (44 miles) from Pangai (c. 1 700 pop).

In the past 24 hours, there have been one, in the last 10 days one, in the past 30 days one and in the last 365 days twenty-two earthquakes of magnitude 3.0 or greater that have been detected in the same area. Each year there are an estimated 13,000 light earthquakes in the world. Earthquakes 4.0 to 5.0 are often felt, but only causes minor damage.

Questions or comments?

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: 70 km SE of Pangai, Tonga. This information comes from the USGS Earthquake Notification Service.

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More information

Parameter Value Description
Magnitude 4.6 mb The magnitude for the event.
Longitude -173.8469° West Decimal degrees longitude. Negative values for western longitudes.
Latitude -20.2289° South Decimal degrees latitude. Negative values for southern latitudes.
Depth 36.4 km Depth of the event in kilometers.
Place 70km SE of Pangai, Tonga Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2016-06-12 10:30:40 Time when the event occurred. UTC/GMT
Updated 2016-06-27 06:22:57 Time when the event was most recently updated. UTC/GMT
Timezone offset -720 Timezone offset from UTC in minutes at the event epicenter.
Felt 0 The total number of felt reports
CDI 1 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 326 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 3.867 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.59 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 153 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 us2000652v Id of event.
Event Code 2000652v An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us2000652v, A comma-separated list of event ids that are associated to an event.

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