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Light World Earthquakes Magnitude 4-4.9

Light earthquake, 4.5 mag strikes near Pangai in Tonga


Earthquake location -19.2482S, -175.8831WA light earthquake magnitude 4.5 (ml/mb) has struck on Saturday, 172 km WNW of Pangai, Tonga (107 miles). The earthquake occurred at a depth of 10 km (6 miles). Exact location of event, depth 10 km, -175.8831° West, -19.2482° South. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). Exact time and date of earthquake 04/05/24 / 2024-05-04 21:17:59 / May 4, 2024 @ 9:17 pm UTC/GMT. The 4.5-magnitude earthquake was detected at 21:17:59 / 9:17 pm (local time epicenter). All ids that are associated to the event: us6000mxrl. Unique identifier: us6000mxrl.

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

Did you feel the quake?

Did objects rattle, topple over, or fall off shelves? Leave a comment or report about activity, shaking and damage at your home, country and city. 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: 172 km WNW of Pangai, Tonga.

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More information

Parameter Value Description
Magnitude 4.5 mb The magnitude for the event.
Longitude -175.8831° West Decimal degrees longitude. Negative values for western longitudes.
Latitude -19.2482° South Decimal degrees latitude. Negative values for southern latitudes.
Depth 10 km Depth of the event in kilometers.
Place 172 km WNW of Pangai, Tonga Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2024-05-04 21:17:59 Time when the event occurred. UTC/GMT
Updated 2024-05-11 04:13:38 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 312 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 19 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 2.015 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.42 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 128 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 us6000mxrl Id of event.
Event Code 6000mxrl An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us6000mxrl, A comma-separated list of event ids that are associated to an event.

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