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Light World Earthquakes Magnitude 4-4.9

Light earthquake: M4.2 quake has struck near Palu in Indonesia


Earthquake location -0.7171S, 119.7762WA light earthquake magnitude 4.2 (ml/mb) has occurred on Saturday, 21 kilometers (13 miles) from Palu in Indonesia. Unique identifier: us1000h741. Ids that are associated to the event: us1000h741. Exact time and date of event in UTC/GMT: 28/09/18 / 2018-09-28 17:02:07 / September 28, 2018 @ 5:02 pm. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). The 4.2-magnitude earthquake has occurred at 01:02:07 / 1:02 am (local time epicenter). The epicenter of the earthquake was roughly 10 km (6 miles) below the earth’s surface. Exact location of earthquake, longitude 119.7762 East, latitude -0.7171 South, depth = 10 km.

Nearby country/countries, Indonesia (c. 242 968 000 pop) (That might be effected). Event epicenter was 22 km (14 miles) from Palu (c. 282 400 pop). Closest city/cities/towns to epicentrum/hypocenter was Palu (min 5000 pop).

In the past 24 hours, there have been sixty-one, in the last 10 days sixty-three, in the past 30 days sixty-three and in the last 365 days seventy-four earthquakes of magnitude 3.0 or greater that has occurred 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.

How would you describe the shaking?

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. Read more about the earthquake, Distances, Seismometer information, Date-Time, Parameters, Location and details about this quake, that has struck: 21 km NNW of Palu, 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 119.7762° East Decimal degrees longitude. Negative values for western longitudes.
Latitude -0.7171° South Decimal degrees latitude. Negative values for southern latitudes.
Depth 10 km Depth of the event in kilometers.
Place 21km NNW 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 17:02:07 Time when the event occurred. UTC/GMT
Updated 2018-10-18 21:58:02 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 2.075 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.68 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 82 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 us1000h741 Id of event.
Event Code 1000h741 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us1000h741, A comma-separated list of event ids that are associated to an event.

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