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Earthquake breaking news, Moderate World Earthquakes Magnitude 5–5.9

Moderate earthquake, 5.6 mag has occurred near Pangai in Tonga


Earthquake location -19.6237S, -174.8066WA moderate earthquake with magnitude 5.6 (ml/mb) was reported 51 kilometers (32 miles) from Pangai in Tonga on Sunday. The earthquake occurred at a depth of 57.17 km (36 miles). Exact location of event, depth 57.17 km, -174.8066° West, -19.6237° South. Unique identifier: us100030q4. Ids that are associated to the event: us100030q4. Exact time and date of earthquake 10/08/15 / 2015-08-10 07:43:38 / August 10, 2015 @ 7:43 am UTC/GMT. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). The 5.6-magnitude earthquake has occurred at 19:43:38 / 7:43 pm (local time epicenter).

Epicenter of the earthquake was 52 km (32 miles) from Pangai (c. 1 700 pop). Closest city/cities or villages, with min 5000 pop, to hypocenter/epicentrum was Pangai. Close country/countries that might be effected, Tonga (c. 123 000 pop).

In the past 24 hours, there have been one, in the last 10 days two, in the past 30 days three and in the last 365 days nineteen earthquakes of magnitude 3.0 or greater that have been detected in the same area. Earthquakes 5.0 to 6.0 may cause light damage to buildings and other structures. There are an estimated 1320 moderate quakes in the world each year.

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: 51 km WNW of Pangai, Tonga.

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More information

Parameter Value Description
Magnitude 5.6 mb The magnitude for the event.
Longitude -174.8066° West Decimal degrees longitude. Negative values for western longitudes.
Latitude -19.6237° South Decimal degrees latitude. Negative values for southern latitudes.
Depth 57.17 km Depth of the event in kilometers.
Place 51km WNW 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 2015-08-10 07:43:38 Time when the event occurred. UTC/GMT
Updated 2015-08-10 08:04:16 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 482 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 4.639 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 1.54 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 25 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 us100030q4 Id of event.
Event Code 100030q4 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us100030q4, A comma-separated list of event ids that are associated to an event.

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