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Light World Earthquakes Magnitude 4-4.9

Light earthquake, 4 mag strikes near Lambasa in Fiji


Earthquake location -17.4813S, -178.752WA light earthquake with magnitude 4 (ml/mb) was detected on Tuesday, 230 km ESE of Lambasa, Fiji (143 miles). The 4-magnitude earthquake was detected at 05:07:45 / 5:07 am (local time epicenter). A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). Exact time and date of event in UTC/GMT: 24/03/20 / 2020-03-24 17:07:45 / March 24, 2020 @ 5:07 pm. Id of earthquake: us70008hg6. Event ids that are associated: us70008hg6. Exact location of earthquake, -178.752° West, -17.4813° South, depth 546.64 km. The epicenter was at a depth of 546.64 km (340 miles).

Earthquakes 4.0 to 5.0 are often felt, but only causes minor damage. In the past 24 hours, there have been nine, in the last 10 days sixteen, in the past 30 days thirty-two and in the last 365 days one hundred and ninety-seven earthquakes of magnitude 3.0 or greater that have been detected in the same area. Each year there are an estimated 13,000 light quakes in the world.

Questions or comments?

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. 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: 230 km ESE of Lambasa, Fiji.

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More information

Parameter Value Description
Magnitude 4 mb The magnitude for the event.
Longitude -178.752° West Decimal degrees longitude. Negative values for western longitudes.
Latitude -17.4813° South Decimal degrees latitude. Negative values for southern latitudes.
Depth 546.64 km Depth of the event in kilometers.
Place 230km ESE of Lambasa, Fiji Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2020-03-24 17:07:45 Time when the event occurred. UTC/GMT
Updated 2020-04-22 17:03:36 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 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 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 3.213 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.74 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 86 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 us70008hg6 Id of event.
Event Code 70008hg6 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us70008hg6, A comma-separated list of event ids that are associated to an event.

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