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Light World Earthquakes Magnitude 4-4.9

Light earthquake: M4.6 quake has struck near South Sandwich Islands region

Posted by admin on February 15, 2017 0 Comments

Earthquake location -54.4087S, -30.0215WA light earthquake magnitude 4.6 (ml/mb) has occurred on Saturday, South Sandwich Islands region (0 miles). Unique identifier: us20008hfv. Ids that are associated to the event: us20008hfv. The earthquake occurred at a depth of 10 km (6 miles) below the earth’s surface. The temblor was reported at 17:19:44 / 5:19 pm (local time epicenter). Exact location of event, longitude -30.0215 West, latitude -54.4087 South, depth = 10 km. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). Date and time of earthquake in UTC/GMT: 21/01/17 / 2017-01-21 19:19:44 / January 21, 2017 @ 7:19 pm.

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

Did you feel anything?

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. Read more about the earthquake, Distances, Seismometer information, Date-Time, Parameters, Location and details about this quake, that has struck: South Sandwich Islands region. This data comes from the USGS Earthquake Notification Service.

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More information

Parameter Value Description
Magnitude 4.6 mb The magnitude for the event.
Longitude -30.0215° West Decimal degrees longitude. Negative values for western longitudes.
Latitude -54.4087° South Decimal degrees latitude. Negative values for southern latitudes.
Depth 10 km Depth of the event in kilometers.
Place South Sandwich Islands region Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2017-01-21 19:19:44 Time when the event occurred. UTC/GMT
Updated 2017-02-15 06:15:07 Time when the event was most recently updated. UTC/GMT
Timezone offset -120 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 326 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 16.462 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.82 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 128 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 us20008hfv Id of event.
Event Code 20008hfv An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us20008hfv, A comma-separated list of event ids that are associated to an event.

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