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Earthquake breaking news, Light World Earthquakes Magnitude 4-4.9

Light earthquake, 4.8 mag strikes near Neiafu in Tonga

Posted by admin on April 15, 2017 0 Comments

Earthquake location -18.5354S, -174.5222WA light earthquake with magnitude 4.8 (ml/mb) was detected on Friday, 58 kilometers (36 miles) from Neiafu in Tonga. Exact location of event, longitude -174.5222 West, latitude -18.5354 South, depth = 87 km. Id of earthquake: us10008hr2. Event ids that are associated: us10008hr2. The earthquake occurred at a depth of 87 km (54 miles) below the earth’s surface. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). Global date and time of event UTC/GMT: 14/04/17 / 2017-04-14 23:43:07 / April 14, 2017 @ 11:43 pm. The 4.8-magnitude earthquake has occurred at 11:43:07 / 11:43 am (local time epicenter).

The epicenter was 58 km (36 miles) from Neiafu (c. 4 300 pop). Close country/countries, Tonga (c. 123 000 pop) (That might be effected). Closest city/cities or villages, with min 5000 pop, to hypocenter/epicentrum was Neiafu.

There are an estimated 13,000 light earthquakes in the world each year. 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-three earthquakes of magnitude 3.0 or greater that has struck near. Earthquakes 4.0 to 5.0 are often felt, but only causes minor damage.

Questions or comments?

What was your situation during the earthquake? Leave a comment or report about damage, shaking and activity at your home, city and country. The information in this article comes from the USGS Earthquake Notification Service. Read more about the earthquake, Seismometer information, Distances, Parameters, Date-Time, Location and details about this quake, detected near: 58 km WNW of Neiafu, Tonga.

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More information

Parameter Value Description
Magnitude 4.8 mb The magnitude for the event.
Longitude -174.5222° West Decimal degrees longitude. Negative values for western longitudes.
Latitude -18.5354° South Decimal degrees latitude. Negative values for southern latitudes.
Depth 87 km Depth of the event in kilometers.
Place 58km 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 2017-04-14 23:43:07 Time when the event occurred. UTC/GMT
Updated 2017-04-15 00:12:44 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 354 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 4.385 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.89 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 81 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 us10008hr2 Id of event.
Event Code 10008hr2 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us10008hr2, A comma-separated list of event ids that are associated to an event.

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