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Minor World Earthquakes Magnitude -3.9

Minor earthquake, 3.9 mag was detected near Asan-Maina Village in Guam

Earthquake location 13.994S, 144.4553WA minor earthquake magnitude 3.9 (ml/mb) has struck on Wednesday, 64 kilometers (40 miles) from Asan-Maina Village in Guam. The 3.9-magnitude earthquake was detected at 09:45:28 / 9:45 am (local time epicenter). Exact time and date of earthquake 27/10/15 / 2015-10-27 23:45:28 / October 27, 2015 @ 11:45 pm UTC/GMT. Unique identifier: us200040rk. Ids that are associated to the event: us200040rk. Exact location of event, longitude 144.4553 East, latitude 13.994 North, depth = 189.01 km. The epicenter of the earthquake was roughly 189.01 km (117 miles) below the earth’s surface.

Close country/countries that might be effected, Guam (c. 159 000 pop). The epicenter was 67 km (42 miles) from Dededo Village (c. 44 900 pop), 69 km (43 miles) from Yigo Village (c. 20 500 pop), 66 km (41 miles) from Tamuning-Tumon-Harmon Village (c. 19 700 pop), 71 km (44 miles) from Mangilao Village (c. 15 200 pop), 69 km (43 miles) from Barrigada Village (c. 8 900 pop), 72 km (44 miles) from Santa Rita Village (c. 7 500 pop). Closest city/cities/towns to epicentrum/hypocenter was Inarajan Village, Merizo Village, Umatac Village (min 5000 pop).

In the past 24 hours, there have been two, in the last 10 days two, in the past 30 days two and in the last 365 days twenty-five earthquakes of magnitude 3.0 or greater that has struck near. Each year there are an estimated 130,000 minor quakes in the world. Earthquakes 3.0 to 4.0 are often felt, but only causes minor damage.

Did you feel it?

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. 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: 64 km NNW of Asan-Maina Village, Guam.

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More information

Parameter Value Description
Magnitude 3.9 mb The magnitude for the event.
Longitude 144.4553° East Decimal degrees longitude. Negative values for western longitudes.
Latitude 13.994° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 189.01 km Depth of the event in kilometers.
Place 64km NNW of Asan-Maina Village, Guam Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2015-10-27 23:45:28 Time when the event occurred. UTC/GMT
Updated 2015-11-19 23:15:02 Time when the event was most recently updated. UTC/GMT
Timezone offset 600 Timezone offset from UTC in minutes at the event epicenter.
Felt 0 The total number of felt reports
CDI 1 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 0.568 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.68 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 99 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 us200040rk Id of event.
Event Code 200040rk An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us200040rk, A comma-separated list of event ids that are associated to an event.

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