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Light World Earthquakes Magnitude 4-4.9

Light earthquake 4.7 mag, Northern Mid-Atlantic Ridge



Earthquake location 13.2229S, -45.0959WA light earthquake magnitude 4.7 (ml/mb) has occurred on Thursday, Northern Mid-Atlantic Ridge (0 miles). The epicenter was 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 earthquake, -45.0959° West, 13.2229° North, depth 10 km. Exact time and date of earthquake 21/10/16 / 2016-10-21 00:06:42 / October 21, 2016 @ 12:06 am UTC/GMT. The temblor was picked up at 21:06:42 / 9:06 pm (local time epicenter). All ids that are associated to the event: us100072fa. Unique identifier: us100072fa.

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

Did you feel it?

How did you react? Was there any damage to buildings? Leave a comment or report about shaking, activity and damage at your home, city and country. This data comes from the USGS Earthquake Notification Service. Read more about the earthquake, Seismometer information, Distances, Parameters, Date-Time, Location and details about this quake, that has occurred near: Northern Mid-Atlantic Ridge.

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More information

Parameter Value Description
Magnitude 4.7 mb The magnitude for the event.
Longitude -45.0959° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 13.2229° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 10 km Depth of the event in kilometers.
Place Northern Mid-Atlantic Ridge Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2016-10-21 00:06:42 Time when the event occurred. UTC/GMT
Updated 2016-11-11 05:19:26 Time when the event was most recently updated. UTC/GMT
Timezone offset -180 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 10.974 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 100 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 us100072fa Id of event.
Event Code 100072fa An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us100072fa, A comma-separated list of event ids that are associated to an event.

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