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Light World Earthquakes Magnitude 4-4.9

Light earthquake, 4 mag has occurred near Hihifo in Tonga

Earthquake location -17.2657S, -174.3525WA light earthquake with magnitude 4 (ml/mb) was detected on Thursday, 156 km SSW of Hihifo, Tonga (97 miles). The temblor was picked up at 05:48:06 / 5:48 am (local time epicenter). Date and time of earthquake in UTC/GMT: 27/06/24 / 2024-06-27 05:48:06 / June 27, 2024 @ 5:48 am. Exact location of earthquake, longitude -174.3525 West, latitude -17.2657 South, depth = 159.11 km. All ids that are associated to the event: us7000mx2m. Unique identifier: us7000mx2m. The earthquake occurred at a depth of 159.11 km (99 miles). 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. In the past 24 hours, there have been three, in the last 10 days four, in the past 30 days nine and in the last 365 days thirteen earthquakes of magnitude 3.0 or greater that have been detected in the same area. There are an estimated 13,000 light quakes in the world each year.

How would you describe the shaking?

Were you asleep? Was it difficult to stand and/or walk? Leave a comment or report about shaking, activity and damage at your city, home and country. Read more about the earthquake, Location, Distances, Seismometer information, Date-Time, Parameters and details about this quake, reported near: 156 km SSW of Hihifo, Tonga. This information comes from the USGS Earthquake Notification Service.

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More information

Parameter Value Description
Magnitude 4 mb The magnitude for the event.
Longitude -174.3525° West Decimal degrees longitude. Negative values for western longitudes.
Latitude -17.2657° South Decimal degrees latitude. Negative values for southern latitudes.
Depth 159.11 km Depth of the event in kilometers.
Place 156 km SSW 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 2024-06-27 05:48:06 Time when the event occurred. UTC/GMT
Updated 2024-07-10 12:30:07 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 246 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 14 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 3.966 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 1.11 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 138 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 us7000mx2m Id of event.
Event Code 7000mx2m An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us7000mx2m, A comma-separated list of event ids that are associated to an event.

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