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Light World Earthquakes Magnitude 4-4.9

Light earthquake 4.2 mag, 123 km SSE of Poso, Indonesia


Earthquake location -2.3744S, 121.2929WA light earthquake with magnitude 4.2 (ml/mb) was detected on Thursday, 123 km SSE of Poso, Indonesia (76 miles). Exact location of event, longitude 121.2929 East, latitude -2.3744 South, depth = 10 km. Event ids that are associated to the earthquake: us6000b65g. Id of event: us6000b65g. The earthquake was roughly at a depth of 10 km (6 miles). Exact time and date of event in UTC/GMT: 23/07/20 / 2020-07-23 15:03:01 / July 23, 2020 @ 3:03 pm. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). The 4.2-magnitude earthquake has occurred at 15:03:01 / 3:03 pm (local time epicenter).

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 six earthquakes of magnitude 3.0 or greater that has struck near. 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.

Questions or comments?

How did you react? Was there any damage to buildings? Leave a comment or report about shaking, activity and damage at your home, city and country. This information comes from the USGS Earthquake Notification Service. Read more about the earthquake, Seismometer information, Date-Time, Location, Distances, Parameters and details about this quake, recorded: 123 km SSE of Poso, Indonesia.

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More information

Parameter Value Description
Magnitude 4.2 mb The magnitude for the event.
Longitude 121.2929° East Decimal degrees longitude. Negative values for western longitudes.
Latitude -2.3744° South Decimal degrees latitude. Negative values for southern latitudes.
Depth 10 km Depth of the event in kilometers.
Place 123 km SSE of Poso, Indonesia Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2020-07-23 15:03:01 Time when the event occurred. UTC/GMT
Updated 2020-08-21 17:58:40 Time when the event was most recently updated. UTC/GMT
Timezone offset 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 1.984 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.91 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 96 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 us6000b65g Id of event.
Event Code 6000b65g An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us6000b65g, A comma-separated list of event ids that are associated to an event.

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