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Minor World Earthquakes Magnitude -3.9

Minor earthquake: M3.9 quake has struck near Pagan region, Northern Mariana Islands


Earthquake location 18.83S, 145.3869WA minor earthquake magnitude 3.9 (ml/mb) has occurred on Sunday, Pagan region, Northern Mariana Islands (0 miles). The earthquake occurred at a depth of 309.46 km (192 miles). Exact location of event, longitude 145.3869 East, latitude 18.83 North, depth = 309.46 km. Id of earthquake: us6000c6sz. Event ids that are associated: us6000c6sz. Exact time and date of earthquake 04/10/20 / 2020-10-04 06:29:15 / October 4, 2020 @ 6:29 am UTC/GMT. The 3.9-magnitude earthquake has occurred at 06:29:15 / 6:29 am (local time epicenter).

There are an estimated 130,000 minor earthquakes in the world each year. In the past 24 hours, there have been two, in the last 10 days five, in the past 30 days seven and in the last 365 days seventy-six earthquakes of magnitude 3.0 or greater that was reported nearby. Earthquakes 3.0 to 4.0 are often felt, but only causes minor damage.

Questions or comments?

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. 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: Pagan region, Northern Mariana Islands.

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More information

Parameter Value Description
Magnitude 3.9 mb The magnitude for the event.
Longitude 145.3869° East Decimal degrees longitude. Negative values for western longitudes.
Latitude 18.83° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 309.46 km Depth of the event in kilometers.
Place Pagan region, Northern Mariana Islands Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2020-10-04 06:29:15 Time when the event occurred. UTC/GMT
Updated 2020-10-23 22:12:31 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 234 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 17.661 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.84 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 138 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 us6000c6sz Id of event.
Event Code 6000c6sz An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us6000c6sz, A comma-separated list of event ids that are associated to an event.

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