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Light World Earthquakes Magnitude 4-4.9

Light earthquake 4.5 mag, 258 km WNW of Haveluloto, Tonga

Posted by admin on September 19, 2020 0 Comments

Earthquake location -20.5049S, -177.604WA light earthquake magnitude 4.5 (ml/mb) has occurred on Monday, 258 km WNW of Haveluloto, Tonga (160 miles). The epicenter of the earthquake was roughly 512.57 km (318 miles) below the earth’s surface. Exact location, longitude -177.604° West, latitude -20.5049° South, depth = 512.57 km. Id of earthquake: us7000bpt6. Event ids that are associated: us7000bpt6. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). The temblor was reported at 23:26:38 / 11:26 pm (local time epicenter). Exact time and date of event in UTC/GMT: 14/09/20 / 2020-09-14 23:26:38 / September 14, 2020 @ 11:26 pm.

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

How would you describe the shaking?

What was your situation during the earthquake? Leave a comment or report about damage, shaking and activity at your home, city and country. 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: 258 km WNW of Haveluloto, Tonga.

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More information

Parameter Value Description
Magnitude 4.5 mb The magnitude for the event.
Longitude -177.604° West Decimal degrees longitude. Negative values for western longitudes.
Latitude -20.5049° South Decimal degrees latitude. Negative values for southern latitudes.
Depth 512.57 km Depth of the event in kilometers.
Place 258 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 2020-09-14 23:26:38 Time when the event occurred. UTC/GMT
Updated 2020-09-19 02:27:07 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 312 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 4.939 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 1.25 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 173 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 us7000bpt6 Id of event.
Event Code 7000bpt6 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us7000bpt6, A comma-separated list of event ids that are associated to an event.

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