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Light World Earthquakes Magnitude 4-4.9

Light earthquake: M4.5 quake has struck near Southwest Indian Ridge

Posted by admin on January 11, 2017 0 Comments

Earthquake location -29.142S, 61.4035WA light earthquake magnitude 4.5 (ml/mb) has occurred on Wednesday, Southwest Indian Ridge (0 miles). The 4.5-magnitude earthquake has occurred at 06:22:44 / 6:22 am (local time epicenter). The earthquake was roughly at a depth of 10 km (6 miles). A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). Exact location of event, depth 10 km, 61.4035° East, -29.142° South. Unique identifier: us10007rl3. Ids that are associated to the event: us10007rl3. Exact time and date of event in UTC/GMT: 21/12/16 / 2016-12-21 02:22:44 / December 21, 2016 @ 2:22 am.

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

How would you describe the shaking?

How did you respond? Did any furniture slide, topple over, or become displaced? Leave a comment or report about activity, shaking and damage 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: Southwest Indian Ridge.

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More information

Parameter Value Description
Magnitude 4.5 mb The magnitude for the event.
Longitude 61.4035° East Decimal degrees longitude. Negative values for western longitudes.
Latitude -29.142° South Decimal degrees latitude. Negative values for southern latitudes.
Depth 10 km Depth of the event in kilometers.
Place Southwest Indian Ridge Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2016-12-21 02:22:44 Time when the event occurred. UTC/GMT
Updated 2017-01-11 23:33:36 Time when the event was most recently updated. UTC/GMT
Timezone offset 240 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 312 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 15.028 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 1.27 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 87 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 us10007rl3 Id of event.
Event Code 10007rl3 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us10007rl3, A comma-separated list of event ids that are associated to an event.

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