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Light World Earthquakes Magnitude 4-4.9

Light earthquake 4.2 mag, 153 km NNW of Sikabaluan, Indonesia


Earthquake location 0.1686S, 98.4874WA light earthquake magnitude 4.2 (ml/mb) strikes 153 km NNW of Sikabaluan, Indonesia (95 miles) on Sunday. The earthquake occurred at a depth of 50.38 km (31 miles). A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). Exact location of earthquake, longitude 98.4874 East, latitude 0.1686 North, depth = 50.38 km. Exact time and date of event in UTC/GMT: 01/10/17 / 2017-10-01 16:02:40 / October 1, 2017 @ 4:02 pm. The temblor was detected at 23:02:40 / 11:02 pm (local time epicenter). Unique identifier: us2000b22t. Ids that are associated to the event: us2000b22t.

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 ten earthquakes of magnitude 3.0 or greater that have been detected in the same area. 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.

Questions or comments?

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 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: 153 km NNW of Sikabaluan, Indonesia.

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More information

Parameter Value Description
Magnitude 4.2 mb The magnitude for the event.
Longitude 98.4874° East Decimal degrees longitude. Negative values for western longitudes.
Latitude 0.1686° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 50.38 km Depth of the event in kilometers.
Place 153km NNW of Sikabaluan, Indonesia Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2017-10-01 16:02:40 Time when the event occurred. UTC/GMT
Updated 2017-10-18 15:44:49 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 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 1.45 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.96 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 146 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 us2000b22t Id of event.
Event Code 2000b22t An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us2000b22t, A comma-separated list of event ids that are associated to an event.

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