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Light World Earthquakes Magnitude 4-4.9

Light earthquake, 4.3 mag was detected near Hihifo in Tonga

Posted by admin on November 15, 2015 0 Comments

Earthquake location -15.2516S, -173.024WA light earthquake magnitude 4.3 (ml/mb) has occurred on Sunday, 109 km NE of Hihifo, Tonga (68 miles). A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). The 4.3-magnitude earthquake has occurred at 23:35:50 / 11:35 pm (local time epicenter). All ids that are associated to the event: us200041zw. Unique identifier: us200041zw. Global time and date of event 02/11/15 / 2015-11-02 11:35:50 / November 2, 2015 @ 11:35 am UTC/GMT. The earthquake occurred at a depth of 35 km (22 miles) below the earth’s surface. Exact location of event, longitude -173.024 West, latitude -15.2516 South, depth = 35 km.

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

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. Read more about the earthquake, Location, Distances, Seismometer information, Date-Time, Parameters and details about this quake, reported near: 109 km NE of Hihifo, Tonga. This information comes from the USGS Earthquake Notification Service.

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More information

Parameter Value Description
Magnitude 4.3 mb The magnitude for the event.
Longitude -173.024° West Decimal degrees longitude. Negative values for western longitudes.
Latitude -15.2516° South Decimal degrees latitude. Negative values for southern latitudes.
Depth 35 km Depth of the event in kilometers.
Place 109km NE 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 2015-11-02 11:35:50 Time when the event occurred. UTC/GMT
Updated 2015-11-15 09:07:42 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 284 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 4.819 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.48 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 99 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 us200041zw Id of event.
Event Code 200041zw An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us200041zw, A comma-separated list of event ids that are associated to an event.

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