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Light World Earthquakes Magnitude 4-4.9

Light earthquake, 4 mag strikes near Mamasa in Indonesia


Earthquake location -2.9058S, 119.3407WA light earthquake magnitude 4 (ml/mb) strikes 5 kilometers (3 miles) from Mamasa in Indonesia on Thursday. All ids that are associated to the event: us1000hvgu. Unique identifier: us1000hvgu. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). Global date and time of event UTC/GMT: 15/11/18 / 2018-11-15 00:34:15 / November 15, 2018 @ 12:34 am. The 4-magnitude earthquake was detected at 08:34:15 / 8:34 am (local time epicenter). Exact location, longitude 119.3407° East, latitude -2.9058° South, depth = 10 km. The earthquake was roughly at a depth of 10 km (6 miles).

The epicenter was 59 km (36 miles) from Polewali (c. 58 200 pop), 62 km (39 miles) from Rantepao (c. 40 400 pop), 82 km (51 miles) from Majene (c. 37 700 pop), 56 km (35 miles) from Mamuju (c. 15 000 pop). Nearest city/cities or towns, with min 5000 pop, to epicentrum/hypocenter was Majene, Rantepao, Polewali. Close country/countries, Indonesia (c. 242 968 000 pop) (That might be effected).

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

Did you feel the quake?

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: 5 km NW of Mamasa, Indonesia.

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More information

Parameter Value Description
Magnitude 4 mb The magnitude for the event.
Longitude 119.3407° East Decimal degrees longitude. Negative values for western longitudes.
Latitude -2.9058° South Decimal degrees latitude. Negative values for southern latitudes.
Depth 10 km Depth of the event in kilometers.
Place 5km NW of Mamasa, Indonesia Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2018-11-15 00:34:15 Time when the event occurred. UTC/GMT
Updated 2018-11-29 02:43:30 Time when the event was most recently updated. UTC/GMT
Timezone offset 480 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 2.134 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.42 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 147 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 us1000hvgu Id of event.
Event Code 1000hvgu An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us1000hvgu, A comma-separated list of event ids that are associated to an event.

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