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Light World Earthquakes Magnitude 4-4.9

Light earthquake, 4.3 mag has occurred near Neiafu in Tonga

Posted by admin on September 13, 2016 0 Comments

Earthquake location -18.6674S, -174.8224WA light earthquake magnitude 4.3 (ml/mb) has struck on Monday, 88 kilometers (55 miles) from Neiafu in Tonga. Event id: us10006jcj. Ids that are associated to the earthquake: us10006jcj. Exact location, longitude -174.8224° West, latitude -18.6674° South, depth = 71.22 km. The earthquake occurred at a depth of 71.22 km (44 miles) below the earth’s surface. The 4.3-magnitude earthquake has occurred at 00:51:32 / 12:51 am (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 event in UTC/GMT: 28/08/16 / 2016-08-28 11:51:32 / August 28, 2016 @ 11:51 am.

Epicenter of the earthquake was 88 km (55 miles) from Neiafu (c. 4 300 pop). Country/countries that might be effected, Tonga (c. 123 000 pop). Nearest cities/city/villages to epicentrum/hypocenter was Neiafu (min 5000 pop).

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

Questions or comments?

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: 88 km W of Neiafu, Tonga. This data comes from the USGS Earthquake Notification Service.

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More information

Parameter Value Description
Magnitude 4.3 mb The magnitude for the event.
Longitude -174.8224° West Decimal degrees longitude. Negative values for western longitudes.
Latitude -18.6674° South Decimal degrees latitude. Negative values for southern latitudes.
Depth 71.22 km Depth of the event in kilometers.
Place 88km W 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 2016-08-28 11:51:32 Time when the event occurred. UTC/GMT
Updated 2016-09-13 06:08:42 Time when the event was most recently updated. UTC/GMT
Timezone offset 780 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 284 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 4.653 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.19 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 132 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 us10006jcj Id of event.
Event Code 10006jcj An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us10006jcj, A comma-separated list of event ids that are associated to an event.

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