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Light World Earthquakes Magnitude 4-4.9

Light earthquake, 4.2 mag was detected near Poigar in Indonesia


Earthquake location 1.6878S, 123.9364WA light earthquake magnitude 4.2 (ml/mb) strikes 85 km NNW of Poigar, Indonesia (53 miles) on Saturday. The temblor was detected at 12:15:22 / 12:15 pm (local time epicenter). Date and time of earthquake in UTC/GMT: 20/10/18 / 2018-10-20 04:15:22 / October 20, 2018 @ 4:15 am. Event id: us1000hgxn. Ids that are associated to the earthquake: us1000hgxn. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). The epicenter of the earthquake was roughly 313.94 km (195 miles) below the earth’s surface. Exact location of event, longitude 123.9364 East, latitude 1.6878 North, depth = 313.94 km.

Each year there are an estimated 13,000 light earthquakes in the world. In the past 24 hours, there have been one, in the last 10 days one, in the past 30 days three and in the last 365 days ten 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. Read more about the earthquake, Distances, Seismometer information, Date-Time, Parameters, Location and details about this quake, that has struck: 85 km NNW of Poigar, Indonesia. This data comes from the USGS Earthquake Notification Service.

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More information

Parameter Value Description
Magnitude 4.2 mb The magnitude for the event.
Longitude 123.9364° East Decimal degrees longitude. Negative values for western longitudes.
Latitude 1.6878° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 313.94 km Depth of the event in kilometers.
Place 85km NNW of Poigar, Indonesia Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2018-10-20 04:15:22 Time when the event occurred. UTC/GMT
Updated 2018-10-26 04:46:11 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 2.95 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 126 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 us1000hgxn Id of event.
Event Code 1000hgxn An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us1000hgxn, A comma-separated list of event ids that are associated to an event.

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