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Light World Earthquakes Magnitude 4-4.9

Light earthquake, 4.5 mag was detected near `Ohonua in Tonga

Posted by admin on March 11, 2020 0 Comments

Earthquake location -21.926S, -174.8605WA light earthquake magnitude 4.5 (ml/mb) has struck on Saturday, 66 kilometers (41 miles) from `Ohonua in Tonga. Global time and date of event 22/02/20 / 2020-02-22 19:28:40 / February 22, 2020 @ 7:28 pm UTC/GMT. Exact location of event, depth 10 km, -174.8605° West, -21.926° South. 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 10 km (6 miles) below the earth’s surface. Event id: us600085ay. Ids that are associated to the earthquake: us600085ay. The temblor was detected at 07:28:40 / 7:28 am (local time epicenter).

Nearest cities/city/villages to epicentrum/hypocenter was Nuku‘alofa, ‘Ohonua (min 5000 pop). Earthquake epicenter was 94 km (59 miles) from Nuku‘alofa (c. 22 400 pop), 67 km (41 miles) from ‘Ohonua (c. 1 200 pop). Nearby country/countries, Tonga (c. 123 000 pop) (That might be effected).

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

Did you feel it?

What was your situation during the earthquake? Leave a comment or report about damage, shaking and activity 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: 66 km S of `Ohonua, Tonga. This data comes from the USGS Earthquake Notification Service.

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More information

Parameter Value Description
Magnitude 4.5 mb The magnitude for the event.
Longitude -174.8605° West Decimal degrees longitude. Negative values for western longitudes.
Latitude -21.926° South Decimal degrees latitude. Negative values for southern latitudes.
Depth 10 km Depth of the event in kilometers.
Place 66km S of `Ohonua, Tonga Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2020-02-22 19:28:40 Time when the event occurred. UTC/GMT
Updated 2020-03-11 02:49:32 Time when the event was most recently updated. UTC/GMT
Timezone offset -720 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 14.056 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.82 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 114 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 us600085ay Id of event.
Event Code 600085ay An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us600085ay, A comma-separated list of event ids that are associated to an event.

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