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Light World Earthquakes Magnitude 4-4.9

Light earthquake, 4.3 mag was detected near Palu in Indonesia


Earthquake location -0.0848S, 119.7294WA light earthquake with magnitude 4.3 (ml/mb) was detected on Sunday, 90 kilometers (56 miles) from Palu in Indonesia. The 4.3-magnitude earthquake was detected at 18:13:32 / 6:13 pm (local time epicenter). Unique identifier: us1000h7jt. Ids that are associated to the event: us1000h7jt. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). The epicenter was at a depth of 38.45 km (24 miles). Date and time of earthquake in UTC/GMT: 30/09/18 / 2018-09-30 10:13:32 / September 30, 2018 @ 10:13 am. Exact location of earthquake, 119.7294° East, -0.0848° South, depth 38.45 km.

Epicenter of the event was 91 km (57 miles) from Palu (c. 282 400 pop). Nearest cities/city/villages to epicentrum/hypocenter was Palu (min 5000 pop). Country/countries that might be effected, Indonesia (c. 242 968 000 pop).

There are an estimated 13,000 light earthquakes in the world each year. Earthquakes 4.0 to 5.0 are often felt, but only causes minor damage. In the past 24 hours, there have been seven, in the last 10 days thirty-one, in the past 30 days thirty-one and in the last 365 days thirty-three earthquakes of magnitude 3.0 or greater that have been detected in the same area.

How would you describe the shaking?

What was your situation during the earthquake? Leave a comment or report about damage, shaking and activity 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: 90 km N of Palu, Indonesia.

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More information

Parameter Value Description
Magnitude 4.3 mb The magnitude for the event.
Longitude 119.7294° East Decimal degrees longitude. Negative values for western longitudes.
Latitude -0.0848° South Decimal degrees latitude. Negative values for southern latitudes.
Depth 38.45 km Depth of the event in kilometers.
Place 90km N 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 2018-09-30 10:13:32 Time when the event occurred. UTC/GMT
Updated 2018-10-12 12:36:17 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 284 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 1.586 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.69 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 139 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 us1000h7jt Id of event.
Event Code 1000h7jt An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us1000h7jt, A comma-separated list of event ids that are associated to an event.

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