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Light World Earthquakes Magnitude 4-4.9

Light earthquake, 4.9 mag has occurred near Bristol Island in South Sandwich Islands

Posted by admin on October 11, 2017 0 Comments

Earthquake location -59.0328S, -25.3555WA light earthquake with magnitude 4.9 (ml/mb) was reported 66 km E of Bristol Island, South Sandwich Islands (41 miles) on Friday. The temblor was detected at 06:34:42 / 6:34 am (local time epicenter). Event id: us2000asmb. Ids that are associated to the earthquake: us2000asmb. Exact location of event, depth 56.28 km, -25.3555° West, -59.0328° South. The earthquake was roughly at a depth of 56.28 km (35 miles). 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: 15/09/17 / 2017-09-15 08:34:42 / September 15, 2017 @ 8:34 am.

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

How would you describe the shaking?

What was your situation during the earthquake? Leave a comment or report about damage, shaking and activity at your home, city and country. 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: 66 km E of Bristol Island, South Sandwich Islands.

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More information

Parameter Value Description
Magnitude 4.9 mb The magnitude for the event.
Longitude -25.3555° West Decimal degrees longitude. Negative values for western longitudes.
Latitude -59.0328° South Decimal degrees latitude. Negative values for southern latitudes.
Depth 56.28 km Depth of the event in kilometers.
Place 66km E of Bristol Island, 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 2017-09-15 08:34:42 Time when the event occurred. UTC/GMT
Updated 2017-10-11 10:05:36 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 7.759 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.97 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 69 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 us2000asmb Id of event.
Event Code 2000asmb An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us2000asmb, A comma-separated list of event ids that are associated to an event.

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