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Light World Earthquakes Magnitude 4-4.9

Light earthquake, 4.6 mag has occurred near Palu in Indonesia


Earthquake location -0.7277S, 120.1456WA light earthquake magnitude 4.6 (ml/mb) has struck on Friday, 35 kilometers (22 miles) from Palu in Indonesia. Event ids that are associated to the earthquake: us1000h73i. Id of event: us1000h73i. Exact location of earthquake, 120.1456° East, -0.7277° South, depth 10 km. The earthquake occurred at a depth of 10 km (6 miles). The temblor was reported at 22:24:40 / 10:24 pm (local time epicenter). Date and time of earthquake in UTC/GMT: 28/09/18 / 2018-09-28 14:24:40 / September 28, 2018 @ 2:24 pm. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist).

Closest city/cities or villages, with min 5000 pop, to hypocenter/epicentrum was Palu. Country/countries that might be effected, Indonesia (c. 242 968 000 pop). Epicenter of the earthquake was 36 km (22 miles) from Palu (c. 282 400 pop).

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

Questions or comments?

How did you respond? Did any furniture slide, topple over, or become displaced? Leave a comment or report about activity, shaking and damage 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: 35 km ENE of Palu, Indonesia.

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More information

Parameter Value Description
Magnitude 4.6 mb The magnitude for the event.
Longitude 120.1456° East Decimal degrees longitude. Negative values for western longitudes.
Latitude -0.7277° South Decimal degrees latitude. Negative values for southern latitudes.
Depth 10 km Depth of the event in kilometers.
Place 35km ENE 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 2018-09-28 14:24:40 Time when the event occurred. UTC/GMT
Updated 2018-10-07 12:44:00 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 326 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 1.934 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 1.08 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 72 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 us1000h73i Id of event.
Event Code 1000h73i An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us1000h73i, A comma-separated list of event ids that are associated to an event.

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