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Light World Earthquakes Magnitude 4-4.9

Light earthquake, 4 mag strikes near Atambua in Indonesia


Earthquake location -9.5284S, 125.0985WA light earthquake magnitude 4 (ml/mb) strikes 51 kilometers (32 miles) from Atambua in Indonesia on Sunday. The 4-magnitude earthquake has occurred at 21:33:45 / 9:33 pm (local time epicenter). Event id: us2000dwz1. Ids that are associated to the earthquake: us2000dwz1. The earthquake occurred at a depth of 43.62 km (27 miles). Exact location of event, longitude 125.0985 East, latitude -9.5284 South, depth = 43.62 km. Exact time and date of earthquake 01/04/18 / 2018-04-01 13:33:45 / April 1, 2018 @ 1:33 pm UTC/GMT. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist).

The epicenter was 52 km (32 miles) from Atambua (c. 35 800 pop), 69 km (43 miles) from Kefamenanu (c. 29 500 pop), 84 km (52 miles) from Same (c. 25 000 pop), 61 km (38 miles) from Maliana (c. 22 000 pop), 30 km (18 miles) from Suai (c. 21 500 pop), 75 km (46 miles) from Ainaro (c. 12 000 pop). Nearby country/countries that might be effected, Indonesia (c. 242 968 000 pop), East Timor (c. 1 155 000 pop). Nearest city/cities or towns, with min 5000 pop, to epicentrum/hypocenter was Pante Makasar, Same, Ainaro.

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 three earthquakes of magnitude 3.0 or greater that has occurred 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?

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. 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: 51 km SSE of Atambua, Indonesia.

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More information

Parameter Value Description
Magnitude 4 mb The magnitude for the event.
Longitude 125.0985° East Decimal degrees longitude. Negative values for western longitudes.
Latitude -9.5284° South Decimal degrees latitude. Negative values for southern latitudes.
Depth 43.62 km Depth of the event in kilometers.
Place 51km SSE of Atambua, Indonesia Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2018-04-01 13:33:45 Time when the event occurred. UTC/GMT
Updated 2018-04-09 20:26:04 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 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 0.85 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.93 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 us2000dwz1 Id of event.
Event Code 2000dwz1 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us2000dwz1, A comma-separated list of event ids that are associated to an event.

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