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Light earthquake 4.4 mag, 289 km WNW of Haveluloto, Tonga

Posted by admin on August 22, 2020 0 Comments

Earthquake location -20.2948S, -177.8435WA light earthquake with magnitude 4.4 (ml/mb) was detected on Saturday, 289 km WNW of Haveluloto, Tonga (180 miles). The earthquake was roughly at a depth of 547.31 km (340 miles). A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). Event id: us6000bj7c. Ids that are associated to the earthquake: us6000bj7c. The 4.4-magnitude earthquake was detected at 22:26:36 / 10:26 pm (local time epicenter). Global date and time of event UTC/GMT: 22/08/20 / 2020-08-22 22:26:36 / August 22, 2020 @ 10:26 pm. Exact location of event, depth 547.31 km, -177.8435° West, -20.2948° South.

In the past 24 hours, there have been one, in the last 10 days four, in the past 30 days sixteen and in the last 365 days one hundred and fifty-eight earthquakes of magnitude 3.0 or greater that has occurred nearby. Earthquakes 4.0 to 5.0 are often felt, but only causes minor damage. Every year there are an estimated 13,000 light earthquakes in the world.

Did you feel the quake?

Did objects rattle, topple over, or fall off shelves? Leave a comment or report about activity, shaking and damage at your home, country and city. The information in this article comes from the USGS Earthquake Notification Service. Read more about the earthquake, Seismometer information, Distances, Parameters, Date-Time, Location and details about this quake, detected near: 289 km WNW of Haveluloto, Tonga.

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More information

Parameter Value Description
Magnitude 4.4 mb The magnitude for the event.
Longitude -177.8435° West Decimal degrees longitude. Negative values for western longitudes.
Latitude -20.2948° South Decimal degrees latitude. Negative values for southern latitudes.
Depth 547.31 km Depth of the event in kilometers.
Place 289 km WNW of Haveluloto, Tonga Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2020-08-22 22:26:36 Time when the event occurred. UTC/GMT
Updated 2020-08-22 23:04:51 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 4.637 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.72 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 98 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 us6000bj7c Id of event.
Event Code 6000bj7c An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us6000bj7c, A comma-separated list of event ids that are associated to an event.

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