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Earthquake breaking news, Moderate World Earthquakes Magnitude 5–5.9

Moderate earthquake, 5 mag was detected near Nuku`alofa in Tonga

Posted by admin on October 17, 2017 0 Comments

Earthquake location -20.489S, -175.6702WA moderate earthquake with magnitude 5 (ml/mb) was detected on Monday, 86 kilometers (53 miles) from Nuku`alofa in Tonga. Event ids that are associated to the earthquake: us1000at83. Id of event: us1000at83. The epicenter was at a depth of 172.4 km (107 miles). The temblor was detected at 21:53:47 / 9:53 pm (local time epicenter). Global time and date of event 17/10/17 / 2017-10-17 09:53:47 / October 17, 2017 @ 9:53 am UTC/GMT. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). Exact location, longitude -175.6702° West, latitude -20.489° South, depth = 172.4 km.

Epicenter of the earthquake was 87 km (54 miles) from Nuku‘alofa (c. 22 400 pop). Close country/countries that might be effected, Tonga (c. 123 000 pop). Nearest cities/city/villages to epicentrum/hypocenter was Nuku‘alofa (min 5000 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 sixteen earthquakes of magnitude 3.0 or greater that was reported nearby. Each year there are an estimated 1320 moderate quakes in the world. Earthquakes 5.0 to 6.0 may cause light damage to buildings and other structures.

Did you feel anything?

Were you asleep? Was it difficult to stand and/or walk? Leave a comment or report about shaking, activity and damage at your city, home and country. This data comes from the USGS Earthquake Notification Service. Read more about the earthquake, Seismometer information, Distances, Parameters, Date-Time, Location and details about this quake, that has occurred near: 86 km NW of Nuku`alofa, Tonga.

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More information

Parameter Value Description
Magnitude 5 mb The magnitude for the event.
Longitude -175.6702° West Decimal degrees longitude. Negative values for western longitudes.
Latitude -20.489° South Decimal degrees latitude. Negative values for southern latitudes.
Depth 172.4 km Depth of the event in kilometers.
Place 86km NW of Nuku`alofa, Tonga Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2017-10-17 09:53:47 Time when the event occurred. UTC/GMT
Updated 2017-10-17 10:15:15 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 385 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 5.587 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 1.56 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 39 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 us1000at83 Id of event.
Event Code 1000at83 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us1000at83, A comma-separated list of event ids that are associated to an event.

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