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Light World Earthquakes Magnitude 4-4.9

Light earthquake, 4.4 mag was detected near western Indian-Antarctic Ridge


Earthquake location -49.1541S, 121.9241WA light earthquake magnitude 4.4 (ml/mb) has struck on Sunday, western Indian-Antarctic Ridge (0 miles). Event id: us7000d1eh. Ids that are associated to the earthquake: us7000d1eh. The earthquake occurred at a depth of 10 km (6 miles) below the earth’s surface. The 4.4-magnitude earthquake was detected at 10:53:08 / 10:53 am (local time epicenter). Exact time and date of event in UTC/GMT: 10/01/21 / 2021-01-10 10:53:08 / January 10, 2021 @ 10:53 am. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). Exact location of event, longitude 121.9241 East, latitude -49.1541 South, depth = 10 km.

In the past 24 hours, there have been one, in the last 10 days one, in the past 30 days two and in the last 365 days twelve 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. There are an estimated 13,000 light quakes in the world each year.

Did you feel anything?

What was your situation during the earthquake? Leave a comment or report about damage, shaking and activity at your home, city and country. 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: western Indian-Antarctic Ridge.

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More information

Parameter Value Description
Magnitude 4.4 mb The magnitude for the event.
Longitude 121.9241° East Decimal degrees longitude. Negative values for western longitudes.
Latitude -49.1541° South Decimal degrees latitude. Negative values for southern latitudes.
Depth 10 km Depth of the event in kilometers.
Place western Indian-Antarctic Ridge Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2021-01-10 10:53:08 Time when the event occurred. UTC/GMT
Updated 2021-01-27 08:27:16 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 298 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 16.586 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.84 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 109 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 us7000d1eh Id of event.
Event Code 7000d1eh An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us7000d1eh, A comma-separated list of event ids that are associated to an event.

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