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Light World Earthquakes Magnitude 4-4.9

Light earthquake, 4.6 mag strikes near Pangai in Tonga

Posted by admin on June 12, 2018 0 Comments

Earthquake location -20.399S, -173.951WA light earthquake magnitude 4.6 (ml/mb) has occurred on Friday, 78 kilometers (48 miles) from Pangai in Tonga. Event id: us1000eahu. Ids that are associated to the earthquake: us1000eahu. The temblor was reported at 06:55:41 / 6:55 am (local time epicenter). A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). Exact location of event, depth 10 km, -173.951° West, -20.399° South. The earthquake occurred at a depth of 10 km (6 miles). Date and time of earthquake in UTC/GMT: 18/05/18 / 2018-05-18 18:55:41 / May 18, 2018 @ 6:55 pm.

Close country/countries, Tonga (c. 123 000 pop) (That might be effected). Earthquake epicenter was 77 km (48 miles) from Pangai (c. 1 700 pop). Closest city/cities/towns to epicentrum/hypocenter was Pangai (min 5000 pop).

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

Did you feel anything?

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. 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: 78 km SSE of Pangai, Tonga.

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More information

Parameter Value Description
Magnitude 4.6 mb The magnitude for the event.
Longitude -173.951° West Decimal degrees longitude. Negative values for western longitudes.
Latitude -20.399° South Decimal degrees latitude. Negative values for southern latitudes.
Depth 10 km Depth of the event in kilometers.
Place 78km SSE 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 2018-05-18 18:55:41 Time when the event occurred. UTC/GMT
Updated 2018-06-12 18:32:57 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 326 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 4.012 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 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 us1000eahu Id of event.
Event Code 1000eahu An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us1000eahu, A comma-separated list of event ids that are associated to an event.

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