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Light World Earthquakes Magnitude 4-4.9

Light earthquake: M4.5 quake has struck near Port Blair in India


Earthquake location 10.1921S, 93.0909WA light earthquake magnitude 4.5 (ml/mb) has occurred on Thursday, 167 km SSE of Port Blair, India (104 miles). Global date and time of event UTC/GMT: 20/06/18 / 2018-06-20 19:04:15 / June 20, 2018 @ 7:04 pm. Id of earthquake: us1000f229. Event ids that are associated: us1000f229. The temblor was reported at 01:04:15 / 1:04 am (local time epicenter). The earthquake occurred at a depth of 70.72 km (44 miles) below the earth’s surface. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). Exact location of earthquake, longitude 93.0909 East, latitude 10.1921 North, depth = 70.72 km.

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

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. 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: 167 km SSE of Port Blair, India.

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More information

Parameter Value Description
Magnitude 4.5 mb The magnitude for the event.
Longitude 93.0909° East Decimal degrees longitude. Negative values for western longitudes.
Latitude 10.1921° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 70.72 km Depth of the event in kilometers.
Place 167km 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 2018-06-20 19:04:15 Time when the event occurred. UTC/GMT
Updated 2018-06-28 16:39:02 Time when the event was most recently updated. UTC/GMT
Timezone offset 360 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 312 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 1.493 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.69 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 141 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 us1000f229 Id of event.
Event Code 1000f229 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us1000f229, A comma-separated list of event ids that are associated to an event.

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