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Light World Earthquakes Magnitude 4-4.9

Light earthquake, 4.4 mag has occurred near Neiafu in Tonga

Posted by admin on January 18, 2020 0 Comments

Earthquake location -18.5072S, -172.0708WA light earthquake with magnitude 4.4 (ml/mb) was detected on Wednesday, 202 km E of Neiafu, Tonga (126 miles). Global date and time of event UTC/GMT: 01/01/20 / 2020-01-01 22:49:47 / January 1, 2020 @ 10:49 pm. The 4.4-magnitude earthquake has occurred at 11:49:47 / 11:49 am (local time epicenter). The earthquake occurred at a depth of 10 km (6 miles) below the earth’s surface. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). Unique identifier: us700070tk. Ids that are associated to the event: us700070tk. Exact location of event, longitude -172.0708 West, latitude -18.5072 South, depth = 10 km.

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

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: 202 km E of Neiafu, Tonga.

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More information

Parameter Value Description
Magnitude 4.4 mb The magnitude for the event.
Longitude -172.0708° West Decimal degrees longitude. Negative values for western longitudes.
Latitude -18.5072° South Decimal degrees latitude. Negative values for southern latitudes.
Depth 10 km Depth of the event in kilometers.
Place 202km E of Neiafu, Tonga Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2020-01-01 22:49:47 Time when the event occurred. UTC/GMT
Updated 2020-01-18 01:29:01 Time when the event was most recently updated. UTC/GMT
Timezone offset -660 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 2.108 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.66 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 103 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 us700070tk Id of event.
Event Code 700070tk An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us700070tk, A comma-separated list of event ids that are associated to an event.

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