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Earthquake breaking news, Light World Earthquakes Magnitude 4-4.9

Light earthquake: M4.9 quake has struck near Pangai in Tonga

Posted by admin on July 3, 2018 0 Comments

Earthquake location -20.3667S, -173.5918WA light earthquake magnitude 4.9 (ml/mb) has occurred on Monday, 101 kilometers (63 miles) from Pangai in Tonga. The 4.9-magnitude earthquake was detected at 15:00:01 / 3:00 pm (local time epicenter). The epicenter was at a depth of 10 km (6 miles). Exact time and date of earthquake 03/07/18 / 2018-07-03 03:00:01 / July 3, 2018 @ 3:00 am UTC/GMT. Exact location of event, depth 10 km, -173.5918° West, -20.3667° South. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). All ids that are associated to the event: us2000fve0. Unique identifier: us2000fve0.

Nearest cities/city/towns to hypocenter/epicentrum was Pangai (min 5000 pop). Event epicenter was 101 km (62 miles) from Pangai (c. 1 700 pop). Close country/countries that might be effected, Tonga (c. 123 000 pop).

There are an estimated 13,000 light quakes in the world each year. 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 one, in the past 30 days one and in the last 365 days fourty-four earthquakes of magnitude 3.0 or greater that have been detected in the same area.

Questions or comments?

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 information comes from the USGS Earthquake Notification Service. Read more about the earthquake, Seismometer information, Date-Time, Location, Distances, Parameters and details about this quake, recorded: 101 km SE of Pangai, Tonga.

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More information

Parameter Value Description
Magnitude 4.9 mb The magnitude for the event.
Longitude -173.5918° West Decimal degrees longitude. Negative values for western longitudes.
Latitude -20.3667° South Decimal degrees latitude. Negative values for southern latitudes.
Depth 10 km Depth of the event in kilometers.
Place 101km SE 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 2018-07-03 03:00:01 Time when the event occurred. UTC/GMT
Updated 2018-07-03 03:23:54 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 369 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 8.32 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.8 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 122 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 us2000fve0 Id of event.
Event Code 2000fve0 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us2000fve0, A comma-separated list of event ids that are associated to an event.

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