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Earthquake breaking news, Light World Earthquakes Magnitude 4-4.9

Light earthquake 4.8 mag, 98 km WSW of Havelu, Tonga


Earthquake location -21.4474S, -176.1082WA light earthquake magnitude 4.8 (ml/mb) has occurred on Tuesday, 98 kilometers (61 miles) from Havelu in Tonga. 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 92.38 km (57 miles) below the earth’s surface. Exact time and date of event in UTC/GMT: 13/05/20 / 2020-05-13 04:14:28 / May 13, 2020 @ 4:14 am. Unique identifier: us70009f5u. Ids that are associated to the event: us70009f5u. Exact location of earthquake, -176.1082° West, -21.4474° South, depth 92.38 km. The 4.8-magnitude earthquake was detected at 16:14:28 / 4:14 pm (local time epicenter).

Close country/countries that might be effected, Tonga (c. 123 000 pop). Closest city/cities or villages, with min 5000 pop, to hypocenter/epicentrum was Nuku‘alofa. Event epicenter was 100 km (62 miles) from Nuku‘alofa (c. 22 400 pop).

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

Questions or comments?

How did you react? Was there any damage to buildings? Leave a comment or report about shaking, activity and damage at your home, city and country. Read more about the earthquake, Location, Distances, Seismometer information, Date-Time, Parameters and details about this quake, reported near: 98 km WSW of Havelu, Tonga. This information comes from the USGS Earthquake Notification Service.

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More information

Parameter Value Description
Magnitude 4.8 mb The magnitude for the event.
Longitude -176.1082° West Decimal degrees longitude. Negative values for western longitudes.
Latitude -21.4474° South Decimal degrees latitude. Negative values for southern latitudes.
Depth 92.38 km Depth of the event in kilometers.
Place 98km WSW of Havelu, Tonga Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2020-05-13 04:14:28 Time when the event occurred. UTC/GMT
Updated 2020-05-13 04:31:47 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 354 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 6.263 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.94 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 73 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 us70009f5u Id of event.
Event Code 70009f5u An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us70009f5u, A comma-separated list of event ids that are associated to an event.

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