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Light World Earthquakes Magnitude 4-4.9

Light earthquake 4.7 mag, Southwest Indian Ridge


Earthquake location -35.3971S, 53.9945WA light earthquake magnitude 4.7 (ml/mb) has struck on Tuesday, Southwest Indian Ridge (0 miles). A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). The temblor was detected at 04:19:24 / 4:19 am (local time epicenter). Exact time and date of event in UTC/GMT: 13/10/20 / 2020-10-13 04:19:24 / October 13, 2020 @ 4:19 am. The epicenter of the earthquake was roughly 10 km (6 miles) below the earth’s surface. Exact location of earthquake, longitude 53.9945 East, latitude -35.3971 South, depth = 10 km. Event ids that are associated to the earthquake: us6000c8tb. Id of event: us6000c8tb.

There are an estimated 13,000 light earthquakes in the world each year. Earthquakes 4.0 to 5.0 are often felt, but only causes minor damage. In the past 24 hours, there have been one, in the last 10 days three, in the past 30 days three and in the last 365 days five earthquakes of magnitude 3.0 or greater that has occurred nearby.

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

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More information

Parameter Value Description
Magnitude 4.7 mb The magnitude for the event.
Longitude 53.9945° East Decimal degrees longitude. Negative values for western longitudes.
Latitude -35.3971° 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 2020-10-13 04:19:24 Time when the event occurred. UTC/GMT
Updated 2020-11-04 02:55:59 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 340 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 12.024 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.78 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 76 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 us6000c8tb Id of event.
Event Code 6000c8tb An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us6000c8tb, A comma-separated list of event ids that are associated to an event.

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