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Light earthquake: M4.3 quake has struck near Port Blair in India

Posted by admin on September 21, 2024 0 Comments

Earthquake location 10.5277S, 91.6457WA light earthquake magnitude 4.3 (ml/mb) strikes 174 km SW of Port Blair, India (108 miles) on Saturday. The earthquake occurred at a depth of 10 km (6 miles) below the earth’s surface. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). Event id: us6000ntin. Ids that are associated to the earthquake: us6000ntin. Global time and date of event 21/09/24 / 2024-09-21 18:42:21 / September 21, 2024 @ 6:42 pm UTC/GMT. The temblor was reported at 18:42:21 / 6:42 pm (local time epicenter). Exact location of event, depth 10 km, 91.6457° East, 10.5277° North.

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

Did you feel anything?

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. 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: 174 km SW of Port Blair, India.

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More information

Parameter Value Description
Magnitude 4.3 mb The magnitude for the event.
Longitude 91.6457° East Decimal degrees longitude. Negative values for western longitudes.
Latitude 10.5277° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 10 km Depth of the event in kilometers.
Place 174 km SW of Port Blair, India Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2024-09-21 18:42:21 Time when the event occurred. UTC/GMT
Updated 2024-09-21 21:44:31 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 284 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 34 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 8.215 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.58 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 107 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 us6000ntin Id of event.
Event Code 6000ntin An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us6000ntin, A comma-separated list of event ids that are associated to an event.

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