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Light earthquake: M4.9 quake has struck near Port Blair in India

Posted by admin on July 7, 2025 0 Comments

Earthquake location 10.6997S, 93.0888WA light earthquake magnitude 4.9 (ml/mb) strikes 113 km SSE of Port Blair, India (70 miles) on Monday. The 4.9-magnitude earthquake was detected at 09:42:46 / 9:42 am (local time epicenter). The earthquake occurred at a depth of 10 km (6 miles) below the earth’s surface. Exact time and date of event in UTC/GMT: 07/07/25 / 2025-07-07 09:42:46 / July 7, 2025 @ 9:42 am. Id of earthquake: us7000qb45. Event ids that are associated: us7000qb45. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). Exact location of event, longitude 93.0888 East, latitude 10.6997 North, depth = 10 km.

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

Did you feel the quake?

Did objects rattle, topple over, or fall off shelves? Leave a comment or report about activity, shaking and damage at your home, country and city. 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: 113 km SSE of Port Blair, India.

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More information

Parameter Value Description
Magnitude 4.9 mb The magnitude for the event.
Longitude 93.0888° East Decimal degrees longitude. Negative values for western longitudes.
Latitude 10.6997° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 10 km Depth of the event in kilometers.
Place 113 km SSE 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 2025-07-07 09:42:46 Time when the event occurred. UTC/GMT
Updated 2025-07-07 10:40:44 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 369 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 45 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 11.788 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 1.4 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 74 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 us7000qb45 Id of event.
Event Code 7000qb45 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us7000qb45, A comma-separated list of event ids that are associated to an event.

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