Moderate earthquake, 5.5 mag was detected near Mid-Indian Ridge

A moderate earthquake with magnitude 5.5 (ml/mb) was detected on Thursday, Mid-Indian Ridge (0 miles). A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). Exact location, longitude 66.5978° East, latitude -16.4564° South, depth = 10 km. Date and time of earthquake in UTC/GMT: 20/03/25 / 2025-03-20 21:00:09 / March 20, 2025 @ 9:00 pm. The earthquake was roughly at a depth of 10 km (6 miles). The 5.5-magnitude earthquake has occurred at 21:00:09 / 9:00 pm (local time epicenter). Event ids that are associated to the earthquake: us7000plf7. Id of event: us7000plf7.

There are an estimated 1320 moderate earthquakes 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 four earthquakes of magnitude 3.0 or greater that has occurred nearby. Earthquakes 5.0 to 6.0 may cause light damage to buildings and other structures.

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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. The information in this article comes from the USGS Earthquake Notification Service. Read more about the earthquake, Seismometer information, Distances, Parameters, Date-Time, Location and details about this quake, detected near: Mid-Indian Ridge.

Mid-Indian Ridge

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Parameter	Value	Description
Magnitude	5.5 mb	The magnitude for the event.
Longitude	66.5978° East	Decimal degrees longitude. Negative values for western longitudes.
Latitude	-16.4564° South	Decimal degrees latitude. Negative values for southern latitudes.
Depth	10 km	Depth of the event in kilometers.
Place	Mid-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	2025-03-20 21:00:09	Time when the event occurred. UTC/GMT
Updated	2025-03-20 21:16:59	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	465	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	77	The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance	4.493	Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square	0.75 sec	The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap	41	The largest azimuthal gap between azimuthally adjacent stations (in degrees).
Magnitude Type	mww	The method or algorithm used to calculate the preferred magnitude for the event.
Event Type	earthquake	Type of seismic event.
Event ID	us7000plf7	Id of event.
Event Code	7000plf7	An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS	,us7000plf7,	A comma-separated list of event ids that are associated to an event.

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Moderate earthquake, 5.5 mag was detected near Mid-Indian Ridge

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