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Light World Earthquakes Magnitude 4-4.9

Light earthquake, 4.2 mag strikes near Saumlaki in Indonesia

Earthquake location -6.873S, 129.0362WA light earthquake magnitude 4.2 (ml/mb) has struck on Thursday, 278 km WNW of Saumlaki, Indonesia (173 miles). The earthquake occurred at a depth of 146.08 km (91 miles). The temblor was detected at 05:22:20 / 5:22 am (local time epicenter). Exact location, longitude 129.0362° East, latitude -6.873° South, depth = 146.08 km. Global date and time of event UTC/GMT: 25/01/17 / 2017-01-25 20:22:20 / January 25, 2017 @ 8:22 pm. Id of earthquake: us20008ip7. Event ids that are associated: us20008ip7. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist).

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 nine, in the past 30 days fifteen and in the last 365 days one hundred and three earthquakes of magnitude 3.0 or greater that have been detected in the same area. Each year there are an estimated 13,000 light earthquakes in the world.

Questions or comments?

Did objects rattle, topple over, or fall off shelves? Leave a comment or report about activity, shaking and damage at your home, country and city. Read more about the earthquake, Location, Distances, Seismometer information, Date-Time, Parameters and details about this quake, reported near: 278 km WNW of Saumlaki, Indonesia. This information 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 129.0362° East Decimal degrees longitude. Negative values for western longitudes.
Latitude -6.873° South Decimal degrees latitude. Negative values for southern latitudes.
Depth 146.08 km Depth of the event in kilometers.
Place 278km WNW of Saumlaki, Indonesia Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2017-01-25 20:22:20 Time when the event occurred. UTC/GMT
Updated 2017-02-22 22:08:44 Time when the event was most recently updated. UTC/GMT
Timezone offset 540 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 2.5 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 144 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 us20008ip7 Id of event.
Event Code 20008ip7 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us20008ip7, A comma-separated list of event ids that are associated to an event.

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