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Light World Earthquakes Magnitude 4-4.9

Light earthquake, 4.3 mag has occurred near Hihifo in Tonga


Earthquake location -15.0813S, -173.5705WA light earthquake magnitude 4.3 (ml/mb) has struck on Tuesday, 98 km NNE of Hihifo, Tonga (61 miles). Global date and time of event UTC/GMT: 26/02/20 / 2020-02-26 02:14:54 / February 26, 2020 @ 2:14 am. Event id: us600089hk. Ids that are associated to the earthquake: us600089hk. The epicenter was at a depth of 10 km (6 miles). The 4.3-magnitude earthquake was detected at 14:14:54 / 2:14 pm (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 -173.5705 West, latitude -15.0813 South, depth = 10 km.

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

How would you describe the shaking?

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: 98 km NNE of Hihifo, Tonga.

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More information

Parameter Value Description
Magnitude 4.3 mb The magnitude for the event.
Longitude -173.5705° West Decimal degrees longitude. Negative values for western longitudes.
Latitude -15.0813° South Decimal degrees latitude. Negative values for southern latitudes.
Depth 10 km Depth of the event in kilometers.
Place 98km NNE 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 2020-02-26 02:14:54 Time when the event occurred. UTC/GMT
Updated 2020-03-18 02:05:27 Time when the event was most recently updated. UTC/GMT
Timezone offset -720 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 284 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 2.087 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.76 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 142 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 us600089hk Id of event.
Event Code 600089hk An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us600089hk, A comma-separated list of event ids that are associated to an event.

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