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Light World Earthquakes Magnitude 4-4.9

Light earthquake, 4.6 mag was detected near Pangai in Tonga


Earthquake location -19.2214S, -174.1934WA light earthquake magnitude 4.6 (ml/mb) has occurred on Monday, 66 kilometers (41 miles) from Pangai in Tonga. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). Exact location, longitude -174.1934° West, latitude -19.2214° South, depth = 20.59 km. Id of earthquake: us20005ykv. Event ids that are associated: us20005ykv. The 4.6-magnitude earthquake has occurred at 00:11:52 / 12:11 am (local time epicenter). The earthquake occurred at a depth of 20.59 km (13 miles). Exact time and date of earthquake 23/05/16 / 2016-05-23 12:11:52 / May 23, 2016 @ 12:11 pm UTC/GMT.

Epicenter of the earthquake was 67 km (42 miles) from Neiafu (c. 4 300 pop), 68 km (42 miles) from Pangai (c. 1 700 pop). Country/countries that might be effected, Tonga (c. 123 000 pop). Nearest city/cities or towns, with min 5000 pop, to epicentrum/hypocenter was Pangai, Neiafu.

Earthquakes 4.0 to 5.0 are often felt, but only causes minor damage. Each year there are an estimated 13,000 light quakes in the world. 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 seventeen earthquakes of magnitude 3.0 or greater that have been detected in the same area.

Did you feel it?

Did objects rattle, topple over, or fall off shelves? Leave a comment or report about activity, shaking and damage at your home, country and city. Read more about the earthquake, Distances, Seismometer information, Date-Time, Parameters, Location and details about this quake, that has struck: 66 km NNE of Pangai, Tonga. This data 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 -174.1934° West Decimal degrees longitude. Negative values for western longitudes.
Latitude -19.2214° South Decimal degrees latitude. Negative values for southern latitudes.
Depth 20.59 km Depth of the event in kilometers.
Place 66km NNE 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 2016-05-23 12:11:52 Time when the event occurred. UTC/GMT
Updated 2016-06-06 12:00:09 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 4.035 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.87 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 79 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 us20005ykv Id of event.
Event Code 20005ykv An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us20005ykv, A comma-separated list of event ids that are associated to an event.

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