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Earthquake breaking news, Moderate World Earthquakes Magnitude 5–5.9

Moderate earthquake 5.1 mag, 70 km ENE of `Ohonua, Tonga


Earthquake location -21.1011S, -174.3142WA moderate earthquake with magnitude 5.1 (ml/mb) was detected on Monday, 70 kilometers (43 miles) from `Ohonua in Tonga. The epicenter was at a depth of 10 km (6 miles). A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). The temblor was picked up at 07:21:06 / 7:21 am (local time epicenter). Event ids that are associated to the earthquake: us20002vhw. Id of event: us20002vhw. Global time and date of event 06/07/15 / 2015-07-06 19:21:06 / July 6, 2015 @ 7:21 pm UTC/GMT. Exact location of event, longitude -174.3142 West, latitude -21.1011 South, depth = 10 km.

Closest city/cities/towns to epicentrum/hypocenter was Nuku‘alofa, ‘Ohonua (min 5000 pop). Epicenter of the event was 92 km (57 miles) from Nuku‘alofa (c. 22 400 pop), 71 km (44 miles) from ‘Ohonua (c. 1 200 pop). Close country/countries that might be effected, Tonga (c. 123 000 pop).

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

How would you describe the shaking?

Did objects rattle, topple over, or fall off shelves? Leave a comment or report about activity, shaking and damage at your home, country and city. 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: 70 km ENE of `Ohonua, Tonga.

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More information

Parameter Value Description
Magnitude 5.1 mb The magnitude for the event.
Longitude -174.3142° West Decimal degrees longitude. Negative values for western longitudes.
Latitude -21.1011° South Decimal degrees latitude. Negative values for southern latitudes.
Depth 10 km Depth of the event in kilometers.
Place 70km ENE of `Ohonua, Tonga Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2015-07-06 19:21:06 Time when the event occurred. UTC/GMT
Updated 2015-07-06 19:50:11 Time when the event was most recently updated. UTC/GMT
Timezone offset -720 Timezone offset from UTC in minutes at the event epicenter.
Felt 0 The total number of felt reports
CDI 1 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 400 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 7.55 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 1.49 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 us20002vhw Id of event.
Event Code 20002vhw An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us20002vhw, A comma-separated list of event ids that are associated to an event.

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