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Earthquake breaking news, Light World Earthquakes Magnitude 4-4.9

Light earthquake 4.7 mag, 56 km WNW of Neiafu, Tonga


Earthquake location -18.4397S, -174.473WA light earthquake with magnitude 4.7 (ml/mb) was detected on Saturday, 56 kilometers (35 miles) from Neiafu in Tonga. Id of earthquake: us70008zn1. Event ids that are associated: us70008zn1. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). The epicenter was at a depth of 87.4 km (54 miles). Global date and time of event UTC/GMT: 19/04/20 / 2020-04-19 01:12:59 / April 19, 2020 @ 1:12 am. The 4.7-magnitude earthquake was detected at 13:12:59 / 1:12 pm (local time epicenter). Exact location of event, longitude -174.473 West, latitude -18.4397 South, depth = 87.4 km.

Nearest cities/city/towns to hypocenter/epicentrum was Neiafu (min 5000 pop). Country/countries that might be effected, Tonga (c. 123 000 pop). Epicenter of the event was 57 km (35 miles) from Neiafu (c. 4 300 pop).

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

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: 56 km WNW of Neiafu, Tonga. This information comes from the USGS Earthquake Notification Service.

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More information

Parameter Value Description
Magnitude 4.7 mb The magnitude for the event.
Longitude -174.473° West Decimal degrees longitude. Negative values for western longitudes.
Latitude -18.4397° South Decimal degrees latitude. Negative values for southern latitudes.
Depth 87.4 km Depth of the event in kilometers.
Place 56km 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 2020-04-19 01:12:59 Time when the event occurred. UTC/GMT
Updated 2020-04-19 02:03:42 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 4.353 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.99 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 us70008zn1 Id of event.
Event Code 70008zn1 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us70008zn1, A comma-separated list of event ids that are associated to an event.

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