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Light earthquake, 4.5 mag strikes near Pangai in Tonga

Posted by admin on December 5, 2020 0 Comments

Earthquake location -19.5596S, -174.0154WA light earthquake magnitude 4.5 (ml/mb) has struck on Saturday, 45 kilometers (28 miles) from Pangai in Tonga. Event id: us7000cnhz. Ids that are associated to the earthquake: us7000cnhz. Exact location, longitude -174.0154° West, latitude -19.5596° South, depth = 35 km. 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 35 km (22 miles) below the earth’s surface. Exact time and date of earthquake 05/12/20 / 2020-12-05 22:57:52 / December 5, 2020 @ 10:57 pm UTC/GMT. The temblor was reported at 22:57:52 / 10:57 pm (local time epicenter).

Nearby country/countries that might be effected, Tonga (c. 123 000 pop). Nearest cities/city/villages to epicentrum/hypocenter was Pangai (min 5000 pop). The epicenter was 45 km (28 miles) from Pangai (c. 1 700 pop).

In the past 24 hours, there have been one, in the last 10 days one, in the past 30 days one and in the last 365 days fourty-one earthquakes of magnitude 3.0 or greater that has occurred nearby. 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.

Did you feel the quake?

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: 45 km NE of Pangai, Tonga.

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More information

Parameter Value Description
Magnitude 4.5 mb The magnitude for the event.
Longitude -174.0154° West Decimal degrees longitude. Negative values for western longitudes.
Latitude -19.5596° South Decimal degrees latitude. Negative values for southern latitudes.
Depth 35 km Depth of the event in kilometers.
Place 45 km NE of Pangai, Tonga Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2020-12-05 22:57:52 Time when the event occurred. UTC/GMT
Updated 2020-12-05 23:40:12 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 3.89 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.84 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 104 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 us7000cnhz Id of event.
Event Code 7000cnhz An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us7000cnhz, A comma-separated list of event ids that are associated to an event.

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