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Light World Earthquakes Magnitude 4-4.9

Light earthquake: M4.3 quake has struck near Palu in Indonesia


Earthquake location -0.2384S, 119.7171WA light earthquake magnitude 4.3 (ml/mb) has struck on Saturday, 74 kilometers (46 miles) from Palu in Indonesia. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). The earthquake occurred at a depth of 10 km (6 miles). Exact time and date of event in UTC/GMT: 28/09/18 / 2018-09-28 16:40:04 / September 28, 2018 @ 4:40 pm. The temblor was detected at 00:40:04 / 12:40 am (local time epicenter). Id of earthquake: us1000h740. Event ids that are associated: us1000h740. Exact location of event, longitude 119.7171 East, latitude -0.2384 South, depth = 10 km.

Event epicenter was 75 km (46 miles) from Palu (c. 282 400 pop). Close country/countries that might be effected, Indonesia (c. 242 968 000 pop). Closest city/cities or villages, with min 5000 pop, to hypocenter/epicentrum was Palu.

In the past 24 hours, there have been fifty, in the last 10 days fifty-two, in the past 30 days fifty-two and in the last 365 days fifty-five 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. There are an estimated 13,000 light quakes in the world each year.

Did you feel the quake?

What was your situation during the earthquake? Leave a comment or report about damage, shaking and activity at your home, city and country. This data comes from the USGS Earthquake Notification Service. Read more about the earthquake, Seismometer information, Distances, Parameters, Date-Time, Location and details about this quake, that has occurred near: 74 km NNW of Palu, Indonesia.

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More information

Parameter Value Description
Magnitude 4.3 mb The magnitude for the event.
Longitude 119.7171° East Decimal degrees longitude. Negative values for western longitudes.
Latitude -0.2384° South Decimal degrees latitude. Negative values for southern latitudes.
Depth 10 km Depth of the event in kilometers.
Place 74km 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 16:40:04 Time when the event occurred. UTC/GMT
Updated 2018-10-28 15:33:06 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 1.711 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.76 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 110 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 us1000h740 Id of event.
Event Code 1000h740 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us1000h740, A comma-separated list of event ids that are associated to an event.

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