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Light World Earthquakes Magnitude 4-4.9

Light earthquake: M4.9 quake has struck near Bristol Island in South Sandwich Islands

Posted by admin on February 28, 2019 0 Comments

Earthquake location -58.7502S, -26.5632WA light earthquake with magnitude 4.9 (ml/mb) was detected on Sunday, 31 km N of Bristol Island, South Sandwich Islands (19 miles). A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). Exact time and date of earthquake 10/02/19 / 2019-02-10 04:04:20 / February 10, 2019 @ 4:04 am UTC/GMT. The 4.9-magnitude earthquake was detected at 02:04:20 / 2:04 am (local time epicenter). Event ids that are associated to the earthquake: us2000jnh9. Id of event: us2000jnh9. Exact location of earthquake, longitude -26.5632 West, latitude -58.7502 South, depth = 109.63 km. The earthquake occurred at a depth of 109.63 km (68 miles) below the earth’s surface.

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

Did you feel anything?

Were you asleep? Was it difficult to stand and/or walk? Leave a comment or report about shaking, activity and damage at your city, home 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: 31 km N 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 -26.5632° West Decimal degrees longitude. Negative values for western longitudes.
Latitude -58.7502° South Decimal degrees latitude. Negative values for southern latitudes.
Depth 109.63 km Depth of the event in kilometers.
Place 31km N 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 2019-02-10 04:04:20 Time when the event occurred. UTC/GMT
Updated 2019-02-28 23:08:58 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 16.153 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.56 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 94 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 us2000jnh9 Id of event.
Event Code 2000jnh9 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us2000jnh9, A comma-separated list of event ids that are associated to an event.

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