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Light World Earthquakes Magnitude 4-4.9

Light earthquake, 4.4 mag strikes near Hihifo in Tonga


Earthquake location -15.2218S, -173.6979WA light earthquake magnitude 4.4 (ml/mb) has occurred on Friday, 80 kilometers (50 miles) from Hihifo in Tonga. The earthquake occurred at a depth of 58.96 km (37 miles) below the earth’s surface. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). Exact location of earthquake, longitude -173.6979 West, latitude -15.2218 South, depth = 58.96 km. The temblor was picked up at 02:03:07 / 2:03 am (local time epicenter). Exact time and date of event in UTC/GMT: 14/02/20 / 2020-02-14 14:03:07 / February 14, 2020 @ 2:03 pm. Event ids that are associated to the earthquake: us70007tqr. Id of event: us70007tqr.

Epicenter of the earthquake was 82 km (51 miles) from Hihifo (c. 800 pop). Closest city/cities/towns to epicentrum/hypocenter was Hihifo (min 5000 pop). Nearby country/countries that might be effected, Tonga (c. 123 000 pop).

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

Did you feel the quake?

Were you asleep? Was it difficult to stand and/or walk? Leave a comment or report about shaking, activity and damage at your city, home and country. This data comes from the USGS Earthquake Notification Service. Read more about the earthquake, Seismometer information, Distances, Parameters, Date-Time, Location and details about this quake, that has occurred near: 80 km N of Hihifo, Tonga.

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More information

Parameter Value Description
Magnitude 4.4 mb The magnitude for the event.
Longitude -173.6979° West Decimal degrees longitude. Negative values for western longitudes.
Latitude -15.2218° South Decimal degrees latitude. Negative values for southern latitudes.
Depth 58.96 km Depth of the event in kilometers.
Place 80km N of Hihifo, Tonga Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2020-02-14 14:03:07 Time when the event occurred. UTC/GMT
Updated 2020-03-10 09:47:50 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 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 2.267 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.23 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 109 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 us70007tqr Id of event.
Event Code 70007tqr An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us70007tqr, A comma-separated list of event ids that are associated to an event.

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