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Earthquake breaking news, Moderate World Earthquakes Magnitude 5–5.9

Moderate earthquake: M5.1 quake has struck near Hihifo in Tonga



Earthquake location -16.1254S, -173.4423WA moderate earthquake magnitude 5.1 (ml/mb) strikes 38 kilometers (24 miles) from Hihifo in Tonga on Sunday. Date and time of earthquake in UTC/GMT: 18/10/15 / 2015-10-18 18:17:25 / October 18, 2015 @ 6:17 pm. Event ids that are associated to the earthquake: us10003pj2. Id of event: us10003pj2. 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 10 km (6 miles) below the earth’s surface. Exact location of event, depth 10 km, -173.4423° West, -16.1254° South. The temblor was picked up at 06:17:25 / 6:17 am (local time epicenter).

Closest city/cities/towns to epicentrum/hypocenter was Hihifo (min 5000 pop). The epicenter was 42 km (26 miles) from Hihifo (c. 800 pop). Nearby country/countries, Tonga (c. 123 000 pop) (That might be effected).

Every year there are an estimated 1320 moderate earthquakes in the world. In the past 24 hours, there have been four, in the last 10 days four, in the past 30 days six and in the last 365 days fifty-nine earthquakes of magnitude 3.0 or greater that was reported nearby. Earthquakes 5.0 to 6.0 may cause light damage to buildings and other structures.

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. 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: 38 km ESE of Hihifo, Tonga.

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More information

Parameter Value Description
Magnitude 5.1 mb The magnitude for the event.
Longitude -173.4423° West Decimal degrees longitude. Negative values for western longitudes.
Latitude -16.1254° South Decimal degrees latitude. Negative values for southern latitudes.
Depth 10 km Depth of the event in kilometers.
Place 38km ESE of Hihifo, Tonga Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2015-10-18 18:17:25 Time when the event occurred. UTC/GMT
Updated 2015-10-18 19:14:51 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 18.64 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 1.09 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 51 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 us10003pj2 Id of event.
Event Code 10003pj2 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us10003pj2, A comma-separated list of event ids that are associated to an event.

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