Light earthquake 4.2 mag, Southwest Indian Ridge

A light earthquake with magnitude 4.2 (ml/mb) was reported Southwest Indian Ridge (0 miles) on Tuesday. Global time and date of event 10/07/18 / 2018-07-10 15:18:31 / July 10, 2018 @ 3:18 pm UTC/GMT. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). Exact location of event, longitude 58.0009 East, latitude -31.6125 South, depth = 10 km. The temblor was detected at 19:18:31 / 7:18 pm (local time epicenter). Unique identifier: us2000g46y. Ids that are associated to the event: us2000g46y. The epicenter of the earthquake was roughly 10 km (6 miles) below the earth’s surface.

In the past 24 hours, there have been thirty-one, in the last 10 days thirty-one, in the past 30 days thirty-one and in the last 365 days thirty-three 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. Every year there are an estimated 13,000 light earthquakes in the world.

Questions or comments?

What was your situation during the earthquake? Leave a comment or report about damage, shaking and activity 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.

Southwest Indian Ridge

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Parameter	Value	Description
Magnitude	4.2 mb	The magnitude for the event.
Longitude	58.0009° East	Decimal degrees longitude. Negative values for western longitudes.
Latitude	-31.6125° 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	2018-07-10 15:18:31	Time when the event occurred. UTC/GMT
Updated	2018-07-19 16:54:14	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	10.594	Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square	0.43 sec	The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap	167	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	us2000g46y	Id of event.
Event Code	2000g46y	An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS	,us2000g46y,	A comma-separated list of event ids that are associated to an event.

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Light earthquake 4.2 mag, Southwest Indian Ridge

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