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Light World Earthquakes Magnitude 4-4.9

Light earthquake, 4.1 mag strikes near Saumlaki in Indonesia


Earthquake location -7.1486S, 129.44WA light earthquake magnitude 4.1 (ml/mb) has occurred on Monday, 225 km WNW of Saumlaki, Indonesia (140 miles). A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). Exact time and date of event in UTC/GMT: 01/10/18 / 2018-10-01 11:19:31 / October 1, 2018 @ 11:19 am. Event ids that are associated to the earthquake: us1000h7mf. Id of event: us1000h7mf. Exact location, longitude 129.44° East, latitude -7.1486° South, depth = 161.63 km. The 4.1-magnitude earthquake was detected at 20:19:31 / 8:19 pm (local time epicenter). The earthquake occurred at a depth of 161.63 km (100 miles) below the earth’s surface.

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. In the past 24 hours, there have been one, in the last 10 days four, in the past 30 days nine and in the last 365 days one hundred and eight earthquakes of magnitude 3.0 or greater that has occurred nearby.

Did you feel the quake?

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. Read more about the earthquake, Location, Distances, Seismometer information, Date-Time, Parameters and details about this quake, reported near: 225 km WNW of Saumlaki, Indonesia. This information comes from the USGS Earthquake Notification Service.

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More information

Parameter Value Description
Magnitude 4.1 mb The magnitude for the event.
Longitude 129.44° East Decimal degrees longitude. Negative values for western longitudes.
Latitude -7.1486° South Decimal degrees latitude. Negative values for southern latitudes.
Depth 161.63 km Depth of the event in kilometers.
Place 225km 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 2018-10-01 11:19:31 Time when the event occurred. UTC/GMT
Updated 2018-10-13 05:50:56 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 259 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 2.02 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.75 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 87 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 us1000h7mf Id of event.
Event Code 1000h7mf An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us1000h7mf, A comma-separated list of event ids that are associated to an event.

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