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Light World Earthquakes Magnitude 4-4.9

Light earthquake: M4.1 quake has struck near Lambasa in Fiji


Earthquake location -17.624S, -178.3471WA light earthquake magnitude 4.1 (ml/mb) strikes 276 km ESE of Lambasa, Fiji (171 miles) on Sunday. All ids that are associated to the event: us60004x2g. Unique identifier: us60004x2g. Date and time of earthquake in UTC/GMT: 21/07/19 / 2019-07-21 16:10:41 / July 21, 2019 @ 4:10 pm. The 4.1-magnitude earthquake was detected at 04:10:41 / 4:10 am (local time epicenter). The epicenter of the earthquake was roughly 597.3 km (371 miles) below the earth’s surface. Exact location of event, depth 597.3 km, -178.3471° West, -17.624° South. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist).

Each year there are an estimated 13,000 light quakes in the world. Earthquakes 4.0 to 5.0 are often felt, but only causes minor damage. In the past 24 hours, there have been two, in the last 10 days four, in the past 30 days ten and in the last 365 days five hundred and thirty-five earthquakes of magnitude 3.0 or greater that has struck near.

Did you feel the quake?

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. 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: 276 km ESE of Lambasa, Fiji.

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More information

Parameter Value Description
Magnitude 4.1 mb The magnitude for the event.
Longitude -178.3471° West Decimal degrees longitude. Negative values for western longitudes.
Latitude -17.624° South Decimal degrees latitude. Negative values for southern latitudes.
Depth 597.3 km Depth of the event in kilometers.
Place 276km 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 2019-07-21 16:10:41 Time when the event occurred. UTC/GMT
Updated 2019-07-29 19:55:00 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 259 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 3.434 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.25 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 158 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 us60004x2g Id of event.
Event Code 60004x2g An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us60004x2g, A comma-separated list of event ids that are associated to an event.

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