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Earthquake breaking news, Light World Earthquakes Magnitude 4-4.9

Light earthquake 4.7 mag, 68 km SSE of Palu, Indonesia


Earthquake location -1.4942S, 120.0786WA light earthquake with magnitude 4.7 (ml/mb) was reported 68 kilometers (42 miles) from Palu in Indonesia on Friday. Event id: us6000bic0. Ids that are associated to the earthquake: us6000bic0. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). Exact location of event, longitude 120.0786 East, latitude -1.4942 South, depth = 10 km. The earthquake occurred at a depth of 10 km (6 miles) below the earth’s surface. The 4.7-magnitude earthquake was detected at 11:35:59 / 11:35 am (local time epicenter). Date and time of earthquake in UTC/GMT: 21/08/20 / 2020-08-21 11:35:59 / August 21, 2020 @ 11:35 am.

The epicenter was 71 km (44 miles) from Palu (c. 282 400 pop), 76 km (47 miles) from Poso (c. 47 100 pop). Closest city/cities or villages, with min 5000 pop, to hypocenter/epicentrum was Poso, Palu. Close country/countries that might be effected, Indonesia (c. 242 968 000 pop).

Every 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 one and in the last 365 days eleven earthquakes of magnitude 3.0 or greater that has struck near. Earthquakes 4.0 to 5.0 are often felt, but only causes minor damage.

Questions or comments?

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, Location, Distances, Seismometer information, Date-Time, Parameters and details about this quake, reported near: 68 km SSE of Palu, Indonesia. This information comes from the USGS Earthquake Notification Service.

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More information

Parameter Value Description
Magnitude 4.7 mb The magnitude for the event.
Longitude 120.0786° East Decimal degrees longitude. Negative values for western longitudes.
Latitude -1.4942° South Decimal degrees latitude. Negative values for southern latitudes.
Depth 10 km Depth of the event in kilometers.
Place 68 km SSE of Palu, Indonesia Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2020-08-21 11:35:59 Time when the event occurred. UTC/GMT
Updated 2020-08-21 12:01:56 Time when the event was most recently updated. UTC/GMT
Timezone offset 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 340 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 2.681 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.54 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 92 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 us6000bic0 Id of event.
Event Code 6000bic0 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us6000bic0, A comma-separated list of event ids that are associated to an event.

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