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Light World Earthquakes Magnitude 4-4.9

Light earthquake 4.6 mag, 29 km S of Hihifo, Tonga


Earthquake location -16.2196S, -173.7322WA light earthquake with magnitude 4.6 (ml/mb) was detected on Thursday, 29 kilometers (18 miles) from Hihifo in Tonga. The 4.6-magnitude earthquake has occurred at 03:07:34 / 3:07 am (local time epicenter). Global date and time of event UTC/GMT: 20/06/19 / 2019-06-20 15:07:34 / June 20, 2019 @ 3:07 pm. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). The epicenter of the earthquake was roughly 148.93 km (93 miles) below the earth’s surface. All ids that are associated to the event: us700046pl. Unique identifier: us700046pl. Exact location of event, depth 148.93 km, -173.7322° West, -16.2196° South.

Closest city/cities/towns to epicentrum/hypocenter was Hihifo (min 5000 pop). Nearby country/countries that might be effected, Tonga (c. 123 000 pop). The epicenter was 30 km (19 miles) from Hihifo (c. 800 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 two, in the past 30 days two and in the last 365 days fourty-five earthquakes of magnitude 3.0 or greater that have been detected nearby. There are an estimated 13,000 light earthquakes in the world each year.

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. Read more about the earthquake, Location, Distances, Seismometer information, Date-Time, Parameters and details about this quake, reported near: 29 km S of Hihifo, Tonga. This information comes from the USGS Earthquake Notification Service.

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More information

Parameter Value Description
Magnitude 4.6 mb The magnitude for the event.
Longitude -173.7322° West Decimal degrees longitude. Negative values for western longitudes.
Latitude -16.2196° South Decimal degrees latitude. Negative values for southern latitudes.
Depth 148.93 km Depth of the event in kilometers.
Place 29km 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 2019-06-20 15:07:34 Time when the event occurred. UTC/GMT
Updated 2019-06-28 17:31:56 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 2.973 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.64 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 106 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 us700046pl Id of event.
Event Code 700046pl An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us700046pl, A comma-separated list of event ids that are associated to an event.

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