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Light World Earthquakes Magnitude 4-4.9

Light earthquake 4 mag, 289 km SE of Lambasa, Fiji



Earthquake location -17.8574S, -178.3406WA light earthquake magnitude 4 (ml/mb) has struck on Saturday, 289 km SE of Lambasa, Fiji (180 miles). The 4-magnitude earthquake was detected at 22:44:52 / 10:44 pm (local time epicenter). Exact location, longitude -178.3406° West, latitude -17.8574° South, depth = 548.98 km. Date and time of earthquake in UTC/GMT: 03/04/16 / 2016-04-03 10:44:52 / April 3, 2016 @ 10:44 am. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). Unique identifier: us20005gfb. Ids that are associated to the event: us20005gfb. The epicenter of the earthquake was roughly 548.98 km (341 miles) below the earth’s surface.

There are an estimated 13,000 light earthquakes in the world each year. In the past 24 hours, there have been four, in the last 10 days six, in the past 30 days eighteen and in the last 365 days one hundred and thirty-four earthquakes of magnitude 3.0 or greater that has occurred nearby. Earthquakes 4.0 to 5.0 are often felt, but only causes minor damage.

Did you feel it?

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 information comes from the USGS Earthquake Notification Service. Read more about the earthquake, Seismometer information, Date-Time, Location, Distances, Parameters and details about this quake, recorded: 289 km SE of Lambasa, Fiji.

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More information

Parameter Value Description
Magnitude 4 mb The magnitude for the event.
Longitude -178.3406° West Decimal degrees longitude. Negative values for western longitudes.
Latitude -17.8574° South Decimal degrees latitude. Negative values for southern latitudes.
Depth 548.98 km Depth of the event in kilometers.
Place 289km SE 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 2016-04-03 10:44:52 Time when the event occurred. UTC/GMT
Updated 2016-04-18 07:37:34 Time when the event was most recently updated. UTC/GMT
Timezone offset -720 Timezone offset from UTC in minutes at the event epicenter.
Felt 0 The total number of felt reports
CDI 1 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 3.437 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.4 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 135 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 us20005gfb Id of event.
Event Code 20005gfb An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us20005gfb, A comma-separated list of event ids that are associated to an event.

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