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Light World Earthquakes Magnitude 4-4.9

Light earthquake: M4.6 quake has struck near Neiafu in Tonga


Earthquake location -17.9177S, -175.0589WA light earthquake with magnitude 4.6 (ml/mb) was detected on Friday, 139 km NW of Neiafu, Tonga (86 miles). Unique identifier: us6000nqq2. Ids that are associated to the event: us6000nqq2. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). The temblor was reported at 14:02:06 / 2:02 pm (local time epicenter). Global time and date of event 16/08/24 / 2024-08-16 14:02:06 / August 16, 2024 @ 2:02 pm UTC/GMT. Exact location, longitude -175.0589° West, latitude -17.9177° South, depth = 179.69 km. The earthquake was roughly at a depth of 179.69 km (112 miles).

Earthquakes 4.0 to 5.0 are often felt, but only causes minor damage. There are an estimated 13,000 light quakes in the world each year. In the past 24 hours, there have been two, in the last 10 days five, in the past 30 days six and in the last 365 days sixteen earthquakes of magnitude 3.0 or greater that have been detected in the same area.

Questions or comments?

How did you respond? Did any furniture slide, topple over, or become displaced? Leave a comment or report about activity, shaking and damage at your home, city and country. This data comes from the USGS Earthquake Notification Service. Read more about the earthquake, Seismometer information, Distances, Parameters, Date-Time, Location and details about this quake, that has occurred near: 139 km NW of Neiafu, Tonga.

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More information

Parameter Value Description
Magnitude 4.6 mb The magnitude for the event.
Longitude -175.0589° West Decimal degrees longitude. Negative values for western longitudes.
Latitude -17.9177° South Decimal degrees latitude. Negative values for southern latitudes.
Depth 179.69 km Depth of the event in kilometers.
Place 139 km NW of Neiafu, Tonga Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2024-08-16 14:02:06 Time when the event occurred. UTC/GMT
Updated 2024-09-10 05:03:32 Time when the event was most recently updated. UTC/GMT
Timezone offset 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 35 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 3.442 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.78 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 122 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 us6000nqq2 Id of event.
Event Code 6000nqq2 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us6000nqq2, A comma-separated list of event ids that are associated to an event.

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