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Light World Earthquakes Magnitude 4-4.9

Light earthquake 4.9 mag, southeast of the Loyalty Islands

Posted by admin on February 26, 2021 0 Comments

Earthquake location -23.4221S, 171.5261WA light earthquake magnitude 4.9 (ml/mb) has occurred on Sunday, southeast of the Loyalty Islands (0 miles). Id of earthquake: us7000ddnd. Event ids that are associated: us7000ddnd. Date and time of earthquake in UTC/GMT: 21/02/21 / 2021-02-21 23:39:40 / February 21, 2021 @ 11:39 pm. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). The epicenter was at a depth of 10 km (6 miles). The 4.9-magnitude earthquake was detected at 23:39:40 / 11:39 pm (local time epicenter). Exact location, longitude 171.5261° East, latitude -23.4221° South, depth = 10 km.

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

Did you feel it?

What was your situation during the earthquake? Leave a comment or report about damage, shaking and activity at your home, city 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: southeast of the Loyalty Islands.

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More information

Parameter Value Description
Magnitude 4.9 mb The magnitude for the event.
Longitude 171.5261° East Decimal degrees longitude. Negative values for western longitudes.
Latitude -23.4221° South Decimal degrees latitude. Negative values for southern latitudes.
Depth 10 km Depth of the event in kilometers.
Place southeast of the Loyalty Islands Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2021-02-21 23:39:40 Time when the event occurred. UTC/GMT
Updated 2021-02-26 05:32:34 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 369 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 3.843 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 1.03 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 64 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 us7000ddnd Id of event.
Event Code 7000ddnd An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us7000ddnd, A comma-separated list of event ids that are associated to an event.

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