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Light World Earthquakes Magnitude 4-4.9

Light earthquake, 4.6 mag was detected near Hihifo in Tonga

Posted by admin on March 30, 2020 0 Comments

Earthquake location -15.1553S, -173.4624WA light earthquake with magnitude 4.6 (ml/mb) was detected on Saturday, 93 kilometers (58 miles) from Hihifo in Tonga. Event ids that are associated to the earthquake: us60008ada. Id of event: us60008ada. Exact location of earthquake, -173.4624° West, -15.1553° South, depth 10 km. Global time and date of event 29/02/20 / 2020-02-29 16:17:05 / February 29, 2020 @ 4:17 pm UTC/GMT. The temblor was detected at 04:17:05 / 4:17 am (local time epicenter). 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 10 km (6 miles) below the earth’s surface.

The epicenter was 96 km (60 miles) from Hihifo (c. 800 pop). Nearby country/countries, Tonga (c. 123 000 pop) (That might be effected). Nearest cities/city/villages to epicentrum/hypocenter was Hihifo (min 5000 pop).

In the past 24 hours, there have been four, in the last 10 days five, in the past 30 days nine and in the last 365 days sixty-seven earthquakes of magnitude 3.0 or greater that has occurred nearby. There are an estimated 13,000 light quakes in the world each year. 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. 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: 93 km NNE of Hihifo, Tonga.

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More information

Parameter Value Description
Magnitude 4.6 mb The magnitude for the event.
Longitude -173.4624° West Decimal degrees longitude. Negative values for western longitudes.
Latitude -15.1553° South Decimal degrees latitude. Negative values for southern latitudes.
Depth 10 km Depth of the event in kilometers.
Place 93km NNE 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 2020-02-29 16:17:05 Time when the event occurred. UTC/GMT
Updated 2020-03-30 15:09:43 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 326 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 5.16 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 1.35 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 105 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 us60008ada Id of event.
Event Code 60008ada An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us60008ada, A comma-separated list of event ids that are associated to an event.

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