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Light World Earthquakes Magnitude 4-4.9

Light earthquake: M4.9 quake has struck near Visokoi Island in South Georgia and the South Sandwich Islands


Earthquake location -56.3899S, -25.7574WA light earthquake with magnitude 4.9 (ml/mb) was detected on Monday, 95 km ENE of Visokoi Island, South Georgia and the South Sandwich Islands (59 miles). A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). The temblor was detected at 10:17:27 / 10:17 am (local time epicenter). The earthquake occurred at a depth of 38.6 km (24 miles) below the earth’s surface. Event id: us20009pb2. Ids that are associated to the earthquake: us20009pb2. Exact location of event, depth 38.6 km, -25.7574° West, -56.3899° South. Date and time of earthquake in UTC/GMT: 19/06/17 / 2017-06-19 12:17:27 / June 19, 2017 @ 12:17 pm.

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 four, in the last 10 days five, in the past 30 days six and in the last 365 days seventy-nine earthquakes of magnitude 3.0 or greater that have been detected in the same area.

Did you feel it?

How did you react? Was there any damage to buildings? Leave a comment or report about shaking, activity and damage at your home, city and country. This information comes from the USGS Earthquake Notification Service. Read more about the earthquake, Seismometer information, Date-Time, Location, Distances, Parameters and details about this quake, recorded: 95 km ENE of Visokoi Island, South Georgia and the South Sandwich Islands.

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More information

Parameter Value Description
Magnitude 4.9 mb The magnitude for the event.
Longitude -25.7574° West Decimal degrees longitude. Negative values for western longitudes.
Latitude -56.3899° South Decimal degrees latitude. Negative values for southern latitudes.
Depth 38.6 km Depth of the event in kilometers.
Place 95km ENE of Visokoi Island, South Georgia and the South Sandwich Islands Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2017-06-19 12:17:27 Time when the event occurred. UTC/GMT
Updated 2017-06-30 07:26:39 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 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 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 6.476 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.7 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 152 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 us20009pb2 Id of event.
Event Code 20009pb2 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us20009pb2, A comma-separated list of event ids that are associated to an event.

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