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Light World Earthquakes Magnitude 4-4.9

Light earthquake: M4.1 quake has struck near Luwuk in Indonesia


Earthquake location -0.4034S, 123.0784WA light earthquake with magnitude 4.1 (ml/mb) was detected on Tuesday, 68 kilometers (42 miles) from Luwuk in Indonesia. Exact location of earthquake, longitude 123.0784 East, latitude -0.4034 South, depth = 73.32 km. The 4.1-magnitude earthquake was detected at 12:19:02 / 12:19 pm (local time epicenter). The earthquake occurred at a depth of 73.32 km (46 miles). A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). Event id: us200030f3. Ids that are associated to the earthquake: us200030f3. Global date and time of event UTC/GMT: 07/07/15 / 2015-07-07 04:19:02 / July 7, 2015 @ 4:19 am.

Closest city/cities or villages, with min 5000 pop, to hypocenter/epicentrum was Luwuk. Earthquake epicenter was 69 km (43 miles) from Luwuk (c. 47 800 pop). Nearby 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 two, in the past 30 days three and in the last 365 days thirty-four earthquakes of magnitude 3.0 or greater that have been detected in the same area. Earthquakes 4.0 to 5.0 are often felt, but only causes minor damage.

How would you describe the shaking?

Were you asleep? Was it difficult to stand and/or walk? Leave a comment or report about shaking, activity and damage at your city, home and country. This information comes from the USGS Earthquake Notification Service. Read more about the earthquake, Seismometer information, Date-Time, Location, Distances, Parameters and details about this quake, recorded: 68 km NNE of Luwuk, Indonesia.

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More information

Parameter Value Description
Magnitude 4.1 mb The magnitude for the event.
Longitude 123.0784° East Decimal degrees longitude. Negative values for western longitudes.
Latitude -0.4034° South Decimal degrees latitude. Negative values for southern latitudes.
Depth 73.32 km Depth of the event in kilometers.
Place 68km NNE of Luwuk, Indonesia Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2015-07-07 04:19:02 Time when the event occurred. UTC/GMT
Updated 2015-08-05 22:20:54 Time when the event was most recently updated. UTC/GMT
Timezone offset 480 Timezone offset from UTC in minutes at the event epicenter.
Felt 0 The total number of felt reports
CDI 1 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 259 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 0.704 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.38 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 107 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 us200030f3 Id of event.
Event Code 200030f3 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us200030f3, A comma-separated list of event ids that are associated to an event.

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