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Light World Earthquakes Magnitude 4-4.9

Light earthquake 4.6 mag, 129 km WSW of Hihifo, Tonga

Posted by admin on October 30, 2016 0 Comments

Earthquake location -16.4403S, -174.8462WA light earthquake with magnitude 4.6 (ml/mb) was detected on Sunday, 129 km WSW of Hihifo, Tonga (80 miles). Event id: us20007e5m. Ids that are associated to the earthquake: us20007e5m. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). The earthquake occurred at a depth of 23.13 km (14 miles) below the earth’s surface. Exact location of event, longitude -174.8462 West, latitude -16.4403 South, depth = 23.13 km. The 4.6-magnitude earthquake has occurred at 11:23:50 / 11:23 am (local time epicenter). Exact time and date of earthquake 09/10/16 / 2016-10-09 23:23:50 / October 9, 2016 @ 11:23 pm UTC/GMT.

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

Did you feel anything?

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. Read more about the earthquake, Location, Distances, Seismometer information, Date-Time, Parameters and details about this quake, reported near: 129 km WSW of Hihifo, Tonga. This information comes from the USGS Earthquake Notification Service.

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More information

Parameter Value Description
Magnitude 4.6 mb The magnitude for the event.
Longitude -174.8462° West Decimal degrees longitude. Negative values for western longitudes.
Latitude -16.4403° South Decimal degrees latitude. Negative values for southern latitudes.
Depth 23.13 km Depth of the event in kilometers.
Place 129km WSW 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 2016-10-09 23:23:50 Time when the event occurred. UTC/GMT
Updated 2016-10-30 03:18:13 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 326 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 3.887 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.84 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 85 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 us20007e5m Id of event.
Event Code 20007e5m An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us20007e5m, A comma-separated list of event ids that are associated to an event.

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