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Earthquake breaking news, Light World Earthquakes Magnitude 4-4.9

Light earthquake, 4.5 mag has occurred near Neiafu in Tonga

Posted by admin on May 11, 2017 0 Comments

Earthquake location -18.3288S, -174.6371WA light earthquake with magnitude 4.5 (ml/mb) was reported 77 kilometers (48 miles) from Neiafu in Tonga on Wednesday. The epicenter was at a depth of 94.45 km (59 miles). Global date and time of event UTC/GMT: 11/05/17 / 2017-05-11 08:18:20 / May 11, 2017 @ 8:18 am. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). The temblor was picked up at 20:18:20 / 8:18 pm (local time epicenter). Exact location of earthquake, longitude -174.6371 West, latitude -18.3288 South, depth = 94.45 km. Id of earthquake: us10008rfw. Event ids that are associated: us10008rfw.

Nearest cities/city/villages to epicentrum/hypocenter was Neiafu (min 5000 pop). Country/countries that might be effected, Tonga (c. 123 000 pop). The epicenter was 78 km (48 miles) from Neiafu (c. 4 300 pop).

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

Did you feel the quake?

What was your situation during the earthquake? Leave a comment or report about damage, shaking and activity 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: 77 km WNW of Neiafu, Tonga. This information comes from the USGS Earthquake Notification Service.

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More information

Parameter Value Description
Magnitude 4.5 mb The magnitude for the event.
Longitude -174.6371° West Decimal degrees longitude. Negative values for western longitudes.
Latitude -18.3288° South Decimal degrees latitude. Negative values for southern latitudes.
Depth 94.45 km Depth of the event in kilometers.
Place 77km WNW 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 2017-05-11 08:18:20 Time when the event occurred. UTC/GMT
Updated 2017-05-11 09:28:53 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 312 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 4.525 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.71 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 99 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 us10008rfw Id of event.
Event Code 10008rfw An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us10008rfw, A comma-separated list of event ids that are associated to an event.

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