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Light World Earthquakes Magnitude 4-4.9

Light earthquake 4.7 mag, 114 km NNW of Nuku`alofa, Tonga

Posted by admin on March 2, 2020 0 Comments

Earthquake location -20.1564S, -175.5746WA light earthquake magnitude 4.7 (ml/mb) has occurred on Monday, 114 km NNW of Nuku`alofa, Tonga (71 miles). 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: 24/02/20 / 2020-02-24 16:19:45 / February 24, 2020 @ 4:19 pm. The 4.7-magnitude earthquake was detected at 04:19:45 / 4:19 am (local time epicenter). The epicenter of the earthquake was roughly 192.77 km (120 miles) below the earth’s surface. Exact location of earthquake, longitude -175.5746 West, latitude -20.1564 South, depth = 192.77 km. Id of earthquake: us6000867y. Event ids that are associated: us6000867y.

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 twenty-three earthquakes of magnitude 3.0 or greater that was reported nearby. Each year there are an estimated 13,000 light quakes in the world. Earthquakes 4.0 to 5.0 are often felt, but only causes minor damage.

Questions or comments?

How did you respond? Did any furniture slide, topple over, or become displaced? Leave a comment or report about activity, shaking and damage 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: 114 km NNW of Nuku`alofa, Tonga. This information comes from the USGS Earthquake Notification Service.

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More information

Parameter Value Description
Magnitude 4.7 mb The magnitude for the event.
Longitude -175.5746° West Decimal degrees longitude. Negative values for western longitudes.
Latitude -20.1564° South Decimal degrees latitude. Negative values for southern latitudes.
Depth 192.77 km Depth of the event in kilometers.
Place 114km NNW 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 2020-02-24 16:19:45 Time when the event occurred. UTC/GMT
Updated 2020-03-02 14:48:30 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 340 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 5.43 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 1.25 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 101 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 us6000867y Id of event.
Event Code 6000867y An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us6000867y, A comma-separated list of event ids that are associated to an event.

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