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Light World Earthquakes Magnitude 4-4.9

Light earthquake, 4.2 mag strikes near Sambelia in Indonesia


Earthquake location -8.3329S, 116.7305WA light earthquake with magnitude 4.2 (ml/mb) was detected on Monday, 7 kilometers (4 miles) from Sambelia in Indonesia. The temblor was reported at 07:30:21 / 7:30 am (local time epicenter). Global date and time of event UTC/GMT: 23/09/18 / 2018-09-23 23:30:21 / September 23, 2018 @ 11:30 pm. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). The epicenter of the earthquake was roughly 10 km (6 miles) below the earth’s surface. Exact location of earthquake, 116.7305° East, -8.3329° South, depth 10 km. Unique identifier: us1000h3ue. Ids that are associated to the event: us1000h3ue.

Country/countries that might be effected, Indonesia (c. 242 968 000 pop). Nearest cities/city/villages to epicentrum/hypocenter was Sumbawa Besar, Mataram, Praya (min 5000 pop). Earthquake epicenter was 73 km (45 miles) from Mataram (c. 318 700 pop), 78 km (48 miles) from Sumbawa Besar (c. 52 700 pop), 65 km (41 miles) from Praya (c. 35 200 pop).

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. In the past 24 hours, there have been one, in the last 10 days three, in the past 30 days nineteen and in the last 365 days one hundred and fifty-two earthquakes of magnitude 3.0 or greater that was reported nearby.

Questions or comments?

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. Read more about the earthquake, Distances, Seismometer information, Date-Time, Parameters, Location and details about this quake, that has struck: 7 km NE of Sambelia, 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 116.7305° East Decimal degrees longitude. Negative values for western longitudes.
Latitude -8.3329° South Decimal degrees latitude. Negative values for southern latitudes.
Depth 10 km Depth of the event in kilometers.
Place 7km NE of Sambelia, Indonesia Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2018-09-23 23:30:21 Time when the event occurred. UTC/GMT
Updated 2018-10-07 04:55:20 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 2.554 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.73 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 77 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 us1000h3ue Id of event.
Event Code 1000h3ue An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us1000h3ue, A comma-separated list of event ids that are associated to an event.

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