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Light World Earthquakes Magnitude 4-4.9

Light earthquake, 4.2 mag strikes near Saumlaki in Indonesia



Earthquake location -7.4355S, 128.8254WA light earthquake magnitude 4.2 (ml/mb) has occurred on Saturday, 280 km WNW of Saumlaki, Indonesia (174 miles). Unique identifier: us2000at4t. Ids that are associated to the event: us2000at4t. Global time and date of event 16/09/17 / 2017-09-16 11:19:04 / September 16, 2017 @ 11:19 am UTC/GMT. The earthquake was roughly at a depth of 134.05 km (83 miles). A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). Exact location, longitude 128.8254° East, latitude -7.4355° South, depth = 134.05 km. The temblor was picked up at 20:19:04 / 8:19 pm (local time epicenter).

Earthquakes 4.0 to 5.0 are often felt, but only causes minor damage. Each year there are an estimated 13,000 light earthquakes in the world. In the past 24 hours, there have been two, in the last 10 days four, in the past 30 days nine and in the last 365 days ninety-two earthquakes of magnitude 3.0 or greater that have been detected nearby.

Did you feel it?

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. 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: 280 km WNW of Saumlaki, Indonesia.

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More information

Parameter Value Description
Magnitude 4.2 mb The magnitude for the event.
Longitude 128.8254° East Decimal degrees longitude. Negative values for western longitudes.
Latitude -7.4355° South Decimal degrees latitude. Negative values for southern latitudes.
Depth 134.05 km Depth of the event in kilometers.
Place 280km 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 2017-09-16 11:19:04 Time when the event occurred. UTC/GMT
Updated 2017-09-25 06:25:19 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 2.51 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.56 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 85 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 us2000at4t Id of event.
Event Code 2000at4t An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us2000at4t, A comma-separated list of event ids that are associated to an event.

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