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Light World Earthquakes Magnitude 4-4.9

Light earthquake, 4.2 mag has occurred near Luwuk in Indonesia

Posted by admin on October 9, 2018 0 Comments

Earthquake location -0.3079S, 123.0693WA light earthquake magnitude 4.2 (ml/mb) strikes 77 kilometers (48 miles) from Luwuk in Indonesia on Thursday. Id of earthquake: us1000h3a1. Event ids that are associated: us1000h3a1. Exact time and date of event in UTC/GMT: 20/09/18 / 2018-09-20 00:48:52 / September 20, 2018 @ 12:48 am. The epicenter of the earthquake was roughly 86.38 km (54 miles) below the earth’s surface. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). Exact location, longitude 123.0693° East, latitude -0.3079° South, depth = 86.38 km. The 4.2-magnitude earthquake has occurred at 08:48:52 / 8:48 am (local time epicenter).

Epicenter of the earthquake was 78 km (49 miles) from Luwuk (c. 47 800 pop). Close country/countries, Indonesia (c. 242 968 000 pop) (That might be effected). Nearest cities/city/villages to epicentrum/hypocenter was Luwuk (min 5000 pop).

Earthquakes 4.0 to 5.0 are often felt, but only causes minor damage. In the past 24 hours, there have been two, in the last 10 days three, in the past 30 days four and in the last 365 days thirty-one earthquakes of magnitude 3.0 or greater that was reported nearby. Each year there are an estimated 13,000 light earthquakes in the world.

Questions or comments?

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. 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: 77 km NNE of Luwuk, Indonesia.

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More information

Parameter Value Description
Magnitude 4.2 mb The magnitude for the event.
Longitude 123.0693° East Decimal degrees longitude. Negative values for western longitudes.
Latitude -0.3079° South Decimal degrees latitude. Negative values for southern latitudes.
Depth 86.38 km Depth of the event in kilometers.
Place 77km NNE of Luwuk, Indonesia Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2018-09-20 00:48:52 Time when the event occurred. UTC/GMT
Updated 2018-10-09 00:33:34 Time when the event was most recently updated. UTC/GMT
Timezone offset 480 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 271 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 0.787 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 1.2 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 107 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 us1000h3a1 Id of event.
Event Code 1000h3a1 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us1000h3a1, A comma-separated list of event ids that are associated to an event.

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