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Earthquake breaking news, Light World Earthquakes Magnitude 4-4.9

Light earthquake, 4.2 mag strikes near Houma in Tonga


Earthquake location -21.1087S, -177.8049WA light earthquake with magnitude 4.2 (ml/mb) was reported 260 km W of Houma, Tonga (162 miles) on Sunday. The epicenter was at a depth of 421.584 km (262 miles). All ids that are associated to the event: us6000njg5. Unique identifier: us6000njg5. Exact time and date of earthquake 11/08/24 / 2024-08-11 04:03:40 / August 11, 2024 @ 4:03 am UTC/GMT. The 4.2-magnitude earthquake was detected at 04:03:40 / 4:03 am (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, longitude -177.8049 West, latitude -21.1087 South, depth = 421.584 km.

Earthquakes 4.0 to 5.0 are often felt, but only causes minor damage. Every 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 five, in the past 30 days nine and in the last 365 days fourty-four earthquakes of magnitude 3.0 or greater that have been detected nearby.

Did you feel the quake?

What was your situation during the earthquake? Leave a comment or report about damage, shaking and activity 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: 260 km W of Houma, Tonga.

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More information

Parameter Value Description
Magnitude 4.2 mb The magnitude for the event.
Longitude -177.8049° West Decimal degrees longitude. Negative values for western longitudes.
Latitude -21.1087° South Decimal degrees latitude. Negative values for southern latitudes.
Depth 421.584 km Depth of the event in kilometers.
Place 260 km W of Houma, Tonga Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2024-08-11 04:03:40 Time when the event occurred. UTC/GMT
Updated 2024-08-11 05:11:37 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 271 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 21 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 2.429 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.63 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 121 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 us6000njg5 Id of event.
Event Code 6000njg5 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us6000njg5, A comma-separated list of event ids that are associated to an event.

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