Light earthquake: M4.4 quake has struck near Africa

A light earthquake magnitude 4.4 (ml/mb) has occurred on Thursday, Southwest of Africa (0 miles). The earthquake was roughly at a depth of 10 km (6 miles). All ids that are associated to the event: us2000a0w7. Unique identifier: us2000a0w7. Exact location of earthquake, longitude 18.1393 East, latitude -52.7195 South, depth = 10 km. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). Exact time and date of earthquake 20/07/17 / 2017-07-20 18:50:17 / July 20, 2017 @ 6:50 pm UTC/GMT. The 4.4-magnitude earthquake was detected at 19:50:17 / 7:50 pm (local time epicenter).

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. In the past 24 hours, there have been one, in the last 10 days one, in the past 30 days one and in the last 365 days two earthquakes of magnitude 3.0 or greater that have been detected nearby.

Questions or comments?

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 of Africa. This information comes from the USGS Earthquake Notification Service.

Africa

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Parameter	Value	Description
Magnitude	4.4 mb	The magnitude for the event.
Longitude	18.1393° East	Decimal degrees longitude. Negative values for western longitudes.
Latitude	-52.7195° South	Decimal degrees latitude. Negative values for southern latitudes.
Depth	10 km	Depth of the event in kilometers.
Place	Southwest of Africa	Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time	2017-07-20 18:50:17	Time when the event occurred. UTC/GMT
Updated	2017-08-17 21:40:45	Time when the event was most recently updated. UTC/GMT
Timezone offset	60	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	20.421	Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square	0.21 sec	The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap	136	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	us2000a0w7	Id of event.
Event Code	2000a0w7	An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS	,us2000a0w7,	A comma-separated list of event ids that are associated to an event.

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Light earthquake: M4.4 quake has struck near Africa

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