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Light World Earthquakes Magnitude 4-4.9

Light earthquake: M4 quake has struck near Atambua in Indonesia


Earthquake location -8.4857S, 124.2303WA light earthquake with magnitude 4 (ml/mb) was detected on Sunday, 100 kilometers (62 miles) from Atambua in Indonesia. Id of earthquake: us20006i46. Event ids that are associated: us20006i46. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). Exact location of earthquake, longitude 124.2303 East, latitude -8.4857 South, depth = 33.75 km. The 4-magnitude earthquake has occurred at 03:20:08 / 3:20 am (local time epicenter). The earthquake was roughly at a depth of 33.75 km (21 miles). Date and time of earthquake in UTC/GMT: 23/07/16 / 2016-07-23 19:20:08 / July 23, 2016 @ 7:20 pm.

Nearest city/cities or towns, with min 5000 pop, to epicentrum/hypocenter was Pante Makasar. Epicenter of the earthquake was 81 km (50 miles) from Pante Makasar (c. 4 700 pop). Nearby country/countries that might be effected, East Timor (c. 1 155 000 pop).

Earthquakes 4.0 to 5.0 are often felt, but only causes minor damage. In the past 24 hours, there have been one, in the last 10 days one, in the past 30 days two and in the last 365 days thirty-seven earthquakes of magnitude 3.0 or greater that have been detected in the same area. There are an estimated 13,000 light quakes in the world each year.

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. 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: 100 km NW of Atambua, Indonesia.

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More information

Parameter Value Description
Magnitude 4 mb The magnitude for the event.
Longitude 124.2303° East Decimal degrees longitude. Negative values for western longitudes.
Latitude -8.4857° South Decimal degrees latitude. Negative values for southern latitudes.
Depth 33.75 km Depth of the event in kilometers.
Place 100km NW 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 2016-07-23 19:20:08 Time when the event occurred. UTC/GMT
Updated 2016-08-03 00:12:20 Time when the event was most recently updated. UTC/GMT
Timezone offset 480 Timezone offset from UTC in minutes at the event epicenter.
Felt 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 1.976 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.92 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 119 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 us20006i46 Id of event.
Event Code 20006i46 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us20006i46, A comma-separated list of event ids that are associated to an event.

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