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Light World Earthquakes Magnitude 4-4.9

Light earthquake, 4.5 mag was detected near Georgetown in Saint Helena

Posted by admin on August 6, 2019 0 Comments

Earthquake location -6.9021S, -11.9258WA light earthquake magnitude 4.5 (ml/mb) strikes 297 km ENE of Georgetown, Saint Helena (185 miles) on Wednesday. Exact time and date of earthquake 10/07/19 / 2019-07-10 17:58:34 / July 10, 2019 @ 5:58 pm UTC/GMT. Unique identifier: us70004p04. Ids that are associated to the event: us70004p04. Exact location, longitude -11.9258° West, latitude -6.9021° South, depth = 10 km. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). The temblor was picked up at 16:58:34 / 4:58 pm (local time epicenter). The earthquake was roughly at a depth of 10 km (6 miles).

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 one and in the last 365 days five earthquakes of magnitude 3.0 or greater that have been detected in the same area. Earthquakes 4.0 to 5.0 are often felt, but only causes minor damage.

Did you feel anything?

What was your situation during the earthquake? Leave a comment or report about damage, shaking and activity 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: 297 km ENE of Georgetown, Saint Helena.

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More information

Parameter Value Description
Magnitude 4.5 mb The magnitude for the event.
Longitude -11.9258° West Decimal degrees longitude. Negative values for western longitudes.
Latitude -6.9021° South Decimal degrees latitude. Negative values for southern latitudes.
Depth 10 km Depth of the event in kilometers.
Place 297km ENE of Georgetown, Saint Helena Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2019-07-10 17:58:34 Time when the event occurred. UTC/GMT
Updated 2019-08-06 14:36:53 Time when the event was most recently updated. UTC/GMT
Timezone offset -60 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 2.622 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.91 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 119 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 us70004p04 Id of event.
Event Code 70004p04 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us70004p04, A comma-separated list of event ids that are associated to an event.

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