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Light World Earthquakes Magnitude 4-4.9

Light earthquake, 4.2 mag has occurred near Southwest Indian Ridge


Earthquake location -29.1056S, 60.9961WA light earthquake magnitude 4.2 (ml/mb) has struck on Wednesday, Southwest Indian Ridge (0 miles). The earthquake occurred at a depth of 10 km (6 miles). Id of earthquake: us20007dft. Event ids that are associated: us20007dft. The 4.2-magnitude earthquake was detected at 01:23:37 / 1:23 am (local time epicenter). A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). Exact location of event, longitude 60.9961 East, latitude -29.1056 South, depth = 10 km. Global date and time of event UTC/GMT: 27/09/16 / 2016-09-27 21:23:37 / September 27, 2016 @ 9:23 pm.

In the past 24 hours, there have been seven, in the last 10 days twelve, in the past 30 days twenty-six and in the last 365 days sixty-one earthquakes of magnitude 3.0 or greater that have been detected in the same area. 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.

Did you feel the quake?

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. Read more about the earthquake, Location, Distances, Seismometer information, Date-Time, Parameters and details about this quake, reported near: Southwest Indian Ridge. This information comes from the USGS Earthquake Notification Service.

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More information

Parameter Value Description
Magnitude 4.2 mb The magnitude for the event.
Longitude 60.9961° East Decimal degrees longitude. Negative values for western longitudes.
Latitude -29.1056° 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 2016-09-27 21:23:37 Time when the event occurred. UTC/GMT
Updated 2016-10-22 02:25:59 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 271 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 9.222 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.88 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 95 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 us20007dft Id of event.
Event Code 20007dft An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us20007dft, A comma-separated list of event ids that are associated to an event.

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