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Light World Earthquakes Magnitude 4-4.9

Light earthquake 4.2 mag, 4 km NE of Tanahsong Daya, Indonesia

Earthquake location -8.3192S, 116.1937WA light earthquake magnitude 4.2 (ml/mb) strikes 4 kilometers (2 miles) from Tanahsong Daya in Indonesia on Friday. The 4.2-magnitude earthquake has occurred at 04:55:23 / 4:55 am (local time epicenter). Global time and date of event 09/08/18 / 2018-08-09 20:55:23 / August 9, 2018 @ 8:55 pm UTC/GMT. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). Id of earthquake: us1000g91p. Event ids that are associated: us1000g91p. Exact location of event, depth 10 km, 116.1937° East, -8.3192° South. The epicenter was at a depth of 10 km (6 miles).

Nearest cities/city/towns to hypocenter/epicentrum was Klungkung, Karangasem, Praya (min 5000 pop). Nearby country/countries that might be effected, Indonesia (c. 242 968 000 pop). Earthquake epicenter was 31 km (19 miles) from Mataram (c. 318 700 pop), 44 km (27 miles) from Praya (c. 35 200 pop), 65 km (40 miles) from Karangasem (c. 31 900 pop), 90 km (56 miles) from Klungkung (c. 27 800 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 thirty-one, in the last 10 days seventy-seven, in the past 30 days ninety-six and in the last 365 days one hundred and five earthquakes of magnitude 3.0 or greater that has occurred nearby.

Did you feel the quake?

How did you respond? Did any furniture slide, topple over, or become displaced? Leave a comment or report about activity, shaking and damage at your home, city 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: 4 km NE of Tanahsong Daya, Indonesia.

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More information

Parameter Value Description
Magnitude 4.2 mb The magnitude for the event.
Longitude 116.1937° East Decimal degrees longitude. Negative values for western longitudes.
Latitude -8.3192° South Decimal degrees latitude. Negative values for southern latitudes.
Depth 10 km Depth of the event in kilometers.
Place 4km NE of Tanahsong Daya, Indonesia Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2018-08-09 20:55:23 Time when the event occurred. UTC/GMT
Updated 2018-08-28 20:08:49 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 2.025 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.67 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 78 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 us1000g91p Id of event.
Event Code 1000g91p An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us1000g91p, A comma-separated list of event ids that are associated to an event.

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