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Light World Earthquakes Magnitude 4-4.9

Light earthquake, 4 mag strikes near Cempa in Indonesia

Earthquake location -8.209S, 119.6948WA light earthquake magnitude 4 (ml/mb) has occurred on Thursday, 37 kilometers (23 miles) from Cempa 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 192.33 km (120 miles) below the earth’s surface. Exact location of earthquake, longitude 119.6948 East, latitude -8.209 South, depth = 192.33 km. Exact time and date of event in UTC/GMT: 16/09/15 / 2015-09-16 21:23:28 / September 16, 2015 @ 9:23 pm. Unique identifier: us10003isz. Ids that are associated to the event: us10003isz. The temblor was picked up at 05:23:28 / 5:23 am (local time epicenter).

Epicenter of the event was 38 km (24 miles) from Labuhanbajo (c. 188 700 pop). Close country/countries, Indonesia (c. 242 968 000 pop) (That might be effected). Nearest cities/city/towns to hypocenter/epicentrum was Labuhanbajo (min 5000 pop).

In the past 24 hours, there have been one, in the last 10 days one, in the past 30 days one and in the last 365 days twelve earthquakes of magnitude 3.0 or greater that have been detected nearby. 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.

How would you describe the shaking?

How did you react? Was there any damage to buildings? Leave a comment or report about shaking, activity 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: 37 km NNW of Cempa, Indonesia.

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More information

Parameter Value Description
Magnitude 4 mb The magnitude for the event.
Longitude 119.6948° East Decimal degrees longitude. Negative values for western longitudes.
Latitude -8.209° South Decimal degrees latitude. Negative values for southern latitudes.
Depth 192.33 km Depth of the event in kilometers.
Place 37km NNW of Cempa, Indonesia Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2015-09-16 21:23:28 Time when the event occurred. UTC/GMT
Updated 2015-10-15 02:35:30 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 246 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 2.551 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 1.1 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 88 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 us10003isz Id of event.
Event Code 10003isz An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us10003isz, A comma-separated list of event ids that are associated to an event.

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