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Light World Earthquakes Magnitude 4-4.9

Light earthquake, 4.4 mag has occurred near Hihifo in Tonga

Posted by admin on March 15, 2020 0 Comments

Earthquake location -16.4969S, -173.6515WA light earthquake with magnitude 4.4 (ml/mb) was detected on Sunday, 61 kilometers (38 miles) from Hihifo in Tonga. Exact time and date of event in UTC/GMT: 08/03/20 / 2020-03-08 14:16:45 / March 8, 2020 @ 2:16 pm. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). The earthquake occurred at a depth of 102.25 km (64 miles). The 4.4-magnitude earthquake has occurred at 02:16:45 / 2:16 am (local time epicenter). Event id: us60008ed1. Ids that are associated to the earthquake: us60008ed1. Exact location of earthquake, longitude -173.6515 West, latitude -16.4969 South, depth = 102.25 km.

Nearest cities/city/villages to epicentrum/hypocenter was Hihifo (min 5000 pop). Country/countries that might be effected, Tonga (c. 123 000 pop). Earthquake epicenter was 62 km (39 miles) from Hihifo (c. 800 pop).

Every year there are an estimated 13,000 light earthquakes in the world. 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 one and in the last 365 days thirty earthquakes of magnitude 3.0 or greater that have been detected nearby.

Did you feel the quake?

How did you react? Was there any damage to buildings? Leave a comment or report about shaking, activity and damage at your home, city and country. This information comes from the USGS Earthquake Notification Service. Read more about the earthquake, Seismometer information, Date-Time, Location, Distances, Parameters and details about this quake, recorded: 61 km S of Hihifo, Tonga.

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More information

Parameter Value Description
Magnitude 4.4 mb The magnitude for the event.
Longitude -173.6515° West Decimal degrees longitude. Negative values for western longitudes.
Latitude -16.4969° South Decimal degrees latitude. Negative values for southern latitudes.
Depth 102.25 km Depth of the event in kilometers.
Place 61km S of Hihifo, Tonga Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2020-03-08 14:16:45 Time when the event occurred. UTC/GMT
Updated 2020-03-15 17:32:23 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 298 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 4.378 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.42 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 73 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 us60008ed1 Id of event.
Event Code 60008ed1 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us60008ed1, A comma-separated list of event ids that are associated to an event.

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