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Light World Earthquakes Magnitude 4-4.9

Light earthquake, 4.6 mag was detected near Haveluloto in Tonga


Earthquake location -21.7431S, -175.9483WA light earthquake magnitude 4.6 (ml/mb) has occurred on Sunday, 100 km SW of Haveluloto, Tonga (62 miles). The earthquake was roughly at a depth of 105.53 km (66 miles). Exact location of earthquake, longitude -175.9483 West, latitude -21.7431 South, depth = 105.53 km. The temblor was detected at 14:56:11 / 2:56 pm (local time epicenter). Exact time and date of earthquake 02/08/20 / 2020-08-02 14:56:11 / August 2, 2020 @ 2:56 pm UTC/GMT. Event id: us6000bahv. Ids that are associated to the earthquake: us6000bahv. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist).

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 one, in the last 10 days one, in the past 30 days one and in the last 365 days twenty-three earthquakes of magnitude 3.0 or greater that has struck near.

Did you feel it?

What was your situation during the earthquake? Leave a comment or report about damage, shaking and activity at your home, city and country. The information in this article comes from the USGS Earthquake Notification Service. Read more about the earthquake, Seismometer information, Distances, Parameters, Date-Time, Location and details about this quake, detected near: 100 km SW of Haveluloto, Tonga.

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More information

Parameter Value Description
Magnitude 4.6 mb The magnitude for the event.
Longitude -175.9483° West Decimal degrees longitude. Negative values for western longitudes.
Latitude -21.7431° South Decimal degrees latitude. Negative values for southern latitudes.
Depth 105.53 km Depth of the event in kilometers.
Place 100 km SW of Haveluloto, Tonga Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2020-08-02 14:56:11 Time when the event occurred. UTC/GMT
Updated 2020-08-09 15:48:10 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 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 6.238 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.93 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 42 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 us6000bahv Id of event.
Event Code 6000bahv An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us6000bahv, A comma-separated list of event ids that are associated to an event.

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