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Earthquake breaking news, Light World Earthquakes Magnitude 4-4.9

Light earthquake, 4.9 mag has occurred near Hihifo in Tonga

Posted by admin on September 17, 2019 0 Comments

Earthquake location -16.4441S, -174.316WA light earthquake magnitude 4.9 (ml/mb) has struck on Monday, 81 kilometers (50 miles) from Hihifo in Tonga. The earthquake occurred at a depth of 192.68 km (120 miles). Exact location of earthquake, -174.316° West, -16.4441° South, depth 192.68 km. The temblor was detected at 11:45:15 / 11:45 am (local time epicenter). A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). Exact time and date of earthquake 16/09/19 / 2019-09-16 23:45:15 / September 16, 2019 @ 11:45 pm UTC/GMT. All ids that are associated to the event: us70005hcf. Unique identifier: us70005hcf.

Closest city/cities/towns to epicentrum/hypocenter was Hihifo (min 5000 pop). The epicenter was 78 km (48 miles) from Hihifo (c. 800 pop). Nearby country/countries, Tonga (c. 123 000 pop) (That might be effected).

There are an estimated 13,000 light earthquakes in the world each year. 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 fourty-seven earthquakes of magnitude 3.0 or greater that have been detected in the same area.

Questions or comments?

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 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: 81 km SW of Hihifo, Tonga.

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More information

Parameter Value Description
Magnitude 4.9 mb The magnitude for the event.
Longitude -174.316° West Decimal degrees longitude. Negative values for western longitudes.
Latitude -16.4441° South Decimal degrees latitude. Negative values for southern latitudes.
Depth 192.68 km Depth of the event in kilometers.
Place 81km SW 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 2019-09-16 23:45:15 Time when the event occurred. UTC/GMT
Updated 2019-09-17 01:12:32 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 369 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 3.515 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.87 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 78 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 us70005hcf Id of event.
Event Code 70005hcf An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us70005hcf, A comma-separated list of event ids that are associated to an event.

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