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Light World Earthquakes Magnitude 4-4.9

Light earthquake, 4 mag was detected near Ngulung Wetan in Indonesia

Earthquake location -9.5726S, 111.7592WA light earthquake magnitude 4 (ml/mb) has struck on Wednesday, 144 km SSE of Ngulung Wetan, Indonesia (89 miles). The epicenter of the earthquake was roughly 40.36 km (25 miles) below the earth’s surface. The temblor was reported at 00:45:04 / 12:45 am (local time epicenter). A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). Exact time and date of earthquake 18/04/17 / 2017-04-18 17:45:04 / April 18, 2017 @ 5:45 pm UTC/GMT. Id of earthquake: us10008n3d. Event ids that are associated: us10008n3d. Exact location, longitude 111.7592° East, latitude -9.5726° South, depth = 40.36 km.

Earthquakes 4.0 to 5.0 are often felt, but only causes minor damage. In the past 24 hours, there have been eight, in the last 10 days ten, in the past 30 days ten and in the last 365 days twenty-seven earthquakes of magnitude 3.0 or greater that was reported nearby. Each year there are an estimated 13,000 light quakes in the world.

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: 144 km SSE of Ngulung Wetan, Indonesia.

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More information

Parameter Value Description
Magnitude 4 mb The magnitude for the event.
Longitude 111.7592° East Decimal degrees longitude. Negative values for western longitudes.
Latitude -9.5726° South Decimal degrees latitude. Negative values for southern latitudes.
Depth 40.36 km Depth of the event in kilometers.
Place 144km SSE of Ngulung Wetan, Indonesia Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2017-04-18 17:45:04 Time when the event occurred. UTC/GMT
Updated 2017-05-09 17:01:44 Time when the event was most recently updated. UTC/GMT
Timezone offset 420 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 2.052 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.55 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 153 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 us10008n3d Id of event.
Event Code 10008n3d An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us10008n3d, A comma-separated list of event ids that are associated to an event.

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