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Light World Earthquakes Magnitude 4-4.9

Light earthquake, 4.5 mag was detected near Sibolga in Indonesia

Posted by admin on October 13, 2017 0 Comments

Earthquake location 1.1132S, 97.2894WA light earthquake with magnitude 4.5 (ml/mb) was reported 179 km WSW of Sibolga, Indonesia (111 miles) on Wednesday. Date and time of earthquake in UTC/GMT: 20/09/17 / 2017-09-20 13:17:38 / September 20, 2017 @ 1:17 pm. The 4.5-magnitude earthquake was detected at 20:17:38 / 8:17 pm (local time epicenter). All ids that are associated to the event: us2000arv9. Unique identifier: us2000arv9. The epicenter of the earthquake was roughly 34.47 km (21 miles) below the earth’s surface. Exact location of event, depth 34.47 km, 97.2894° East, 1.1132° North. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist).

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 eleven earthquakes of magnitude 3.0 or greater that has struck near. 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.

Did you feel it?

Did objects rattle, topple over, or fall off shelves? Leave a comment or report about activity, shaking and damage at your home, country and city. Read more about the earthquake, Location, Distances, Seismometer information, Date-Time, Parameters and details about this quake, reported near: 179 km WSW of Sibolga, Indonesia. This information comes from the USGS Earthquake Notification Service.

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More information

Parameter Value Description
Magnitude 4.5 mb The magnitude for the event.
Longitude 97.2894° East Decimal degrees longitude. Negative values for western longitudes.
Latitude 1.1132° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 34.47 km Depth of the event in kilometers.
Place 179km WSW of Sibolga, Indonesia Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2017-09-20 13:17:38 Time when the event occurred. UTC/GMT
Updated 2017-10-13 08:41:33 Time when the event was most recently updated. UTC/GMT
Timezone offset 420 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 0.343 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.71 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 195 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 us2000arv9 Id of event.
Event Code 2000arv9 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us2000arv9, A comma-separated list of event ids that are associated to an event.

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