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Light World Earthquakes Magnitude 4-4.9

Light earthquake, 4.4 mag was detected near Hihifo in Tonga


Earthquake location -16.0898S, -173.2103WA light earthquake with magnitude 4.4 (ml/mb) was detected on Wednesday, 59 kilometers (37 miles) from Hihifo in Tonga. The temblor was detected at 18:22:21 / 6:22 pm (local time epicenter). A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). Exact location of earthquake, -173.2103° West, -16.0898° South, depth 10 km. Global time and date of event 26/10/17 / 2017-10-26 06:22:21 / October 26, 2017 @ 6:22 am UTC/GMT. Id of earthquake: us2000bhv1. Event ids that are associated: us2000bhv1. The epicenter of the earthquake was roughly 10 km (6 miles) below the earth’s surface.

Event epicenter was 64 km (40 miles) from Hihifo (c. 800 pop). Nearest cities/city/towns to hypocenter/epicentrum was Hihifo (min 5000 pop). Nearby country/countries that might be effected, Tonga (c. 123 000 pop).

Earthquakes 4.0 to 5.0 are often felt, but only causes minor damage. In the past 24 hours, there have been ten, in the last 10 days twelve, in the past 30 days fourteen and in the last 365 days sixty-two earthquakes of magnitude 3.0 or greater that has struck near. There are an estimated 13,000 light quakes in the world each year.

Did you feel anything?

How did you react? Was there any damage to buildings? Leave a comment or report about shaking, activity and damage at your home, city and country. Read more about the earthquake, Location, Distances, Seismometer information, Date-Time, Parameters and details about this quake, reported near: 59 km ESE of Hihifo, Tonga. This information comes from the USGS Earthquake Notification Service.

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More information

Parameter Value Description
Magnitude 4.4 mb The magnitude for the event.
Longitude -173.2103° West Decimal degrees longitude. Negative values for western longitudes.
Latitude -16.0898° South Decimal degrees latitude. Negative values for southern latitudes.
Depth 10 km Depth of the event in kilometers.
Place 59km 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 2017-10-26 06:22:21 Time when the event occurred. UTC/GMT
Updated 2017-11-24 12:52:48 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 298 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 2.572 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 1.1 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 116 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 us2000bhv1 Id of event.
Event Code 2000bhv1 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us2000bhv1, A comma-separated list of event ids that are associated to an event.

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