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Light World Earthquakes Magnitude 4-4.9

Light earthquake 4.4 mag, 24 km ESE of Hihifo, Tonga

Posted by admin on August 19, 2020 0 Comments

Earthquake location -16.0474S, -173.5869WA light earthquake magnitude 4.4 (ml/mb) has occurred on Tuesday, 24 kilometers (15 miles) from Hihifo in Tonga. Exact time and date of earthquake 21/07/20 / 2020-07-21 19:02:54 / July 21, 2020 @ 7:02 pm UTC/GMT. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). Exact location of earthquake, longitude -173.5869 West, latitude -16.0474 South, depth = 114.52 km. The epicenter was at a depth of 114.52 km (71 miles). Event id: us6000b565. Ids that are associated to the earthquake: us6000b565. The temblor was reported at 19:02:54 / 7:02 pm (local time epicenter).

Nearest cities/city/towns to hypocenter/epicentrum was Hihifo (min 5000 pop). Earthquake epicenter was 25 km (15 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 eleven, in the last 10 days thirteen, in the past 30 days fifteen and in the last 365 days eighty-seven earthquakes of magnitude 3.0 or greater that has occurred nearby.

Did you feel anything?

Were you asleep? Was it difficult to stand and/or walk? Leave a comment or report about shaking, activity and damage at your city, home and country. Read more about the earthquake, Distances, Seismometer information, Date-Time, Parameters, Location and details about this quake, that has struck: 24 km ESE of Hihifo, Tonga. This data comes from the USGS Earthquake Notification Service.

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More information

Parameter Value Description
Magnitude 4.4 mb The magnitude for the event.
Longitude -173.5869° West Decimal degrees longitude. Negative values for western longitudes.
Latitude -16.0474° South Decimal degrees latitude. Negative values for southern latitudes.
Depth 114.52 km Depth of the event in kilometers.
Place 24 km ESE 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 2020-07-21 19:02:54 Time when the event occurred. UTC/GMT
Updated 2020-08-19 19:11:24 Time when the event was most recently updated. UTC/GMT
Timezone offset 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 2.749 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 1.16 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 89 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 us6000b565 Id of event.
Event Code 6000b565 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us6000b565, A comma-separated list of event ids that are associated to an event.

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