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Light World Earthquakes Magnitude 4-4.9

Light earthquake, 4.4 mag was detected near Haveluloto in Tonga

Posted by admin on September 25, 2020 0 Comments

Earthquake location -20.8389S, -176.2116WA light earthquake magnitude 4.4 (ml/mb) strikes 109 km WNW of Haveluloto, Tonga (68 miles) on Friday. Date and time of earthquake in UTC/GMT: 28/08/20 / 2020-08-28 13:49:43 / August 28, 2020 @ 1:49 pm. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). Id of earthquake: us7000bgkm. Event ids that are associated: us7000bgkm. Exact location of event, longitude -176.2116 West, latitude -20.8389 South, depth = 149.03 km. The temblor was picked up at 13:49:43 / 1:49 pm (local time epicenter). The earthquake was roughly at a depth of 149.03 km (93 miles).

Earthquakes 4.0 to 5.0 are often felt, but only causes minor damage. In the past 24 hours, there have been three, in the last 10 days three, in the past 30 days six and in the last 365 days twenty-three earthquakes of magnitude 3.0 or greater that have been detected in the same area. There are an estimated 13,000 light earthquakes in the world each year.

How would you describe the shaking?

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, Distances, Seismometer information, Date-Time, Parameters, Location and details about this quake, that has struck: 109 km WNW of Haveluloto, 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 -176.2116° West Decimal degrees longitude. Negative values for western longitudes.
Latitude -20.8389° South Decimal degrees latitude. Negative values for southern latitudes.
Depth 149.03 km Depth of the event in kilometers.
Place 109 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 2020-08-28 13:49:43 Time when the event occurred. UTC/GMT
Updated 2020-09-25 12:54:30 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 6.165 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.35 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 us7000bgkm Id of event.
Event Code 7000bgkm An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us7000bgkm, A comma-separated list of event ids that are associated to an event.

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