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Minor World Earthquakes Magnitude -3.9

Minor earthquake 3.9 mag, 64 km NNW of Asan-Maina Village, Guam

Earthquake location 14.0211S, 144.514WA minor earthquake with magnitude 3.9 (ml/mb) was reported 64 kilometers (40 miles) from Asan-Maina Village in Guam on Friday. The 3.9-magnitude earthquake has occurred at 16:49:54 / 4:49 pm (local time epicenter). Id of earthquake: us6000b2ts. Event ids that are associated: us6000b2ts. Date and time of earthquake in UTC/GMT: 17/07/20 / 2020-07-17 16:49:54 / July 17, 2020 @ 4:49 pm. Exact location of earthquake, longitude 144.514 East, latitude 14.0211 North, depth = 171.98 km. The epicenter of the earthquake was roughly 171.98 km (107 miles) below the earth’s surface.

Close country/countries that might be effected, Guam (c. 159 000 pop). Closest city/cities/towns to epicentrum/hypocenter was Inarajan Village, Merizo Village, Umatac Village (min 5000 pop). Earthquake epicenter was 66 km (41 miles) from Dededo Village (c. 44 900 pop), 67 km (42 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), 73 km (45 miles) from Santa Rita Village (c. 7 500 pop).

In the past 24 hours, there have been one, in the last 10 days three, in the past 30 days seven and in the last 365 days fifty-four 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. Every year there are an estimated 130,000 minor earthquakes in the world.

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. Read more about the earthquake, Location, Distances, Seismometer information, Date-Time, Parameters and details about this quake, reported near: 64 km NNW of Asan-Maina Village, Guam. This information comes from the USGS Earthquake Notification Service.

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More information

Parameter Value Description
Magnitude 3.9 mb The magnitude for the event.
Longitude 144.514° East Decimal degrees longitude. Negative values for western longitudes.
Latitude 14.0211° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 171.98 km Depth of the event in kilometers.
Place 64 km 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 2020-07-17 16:49:54 Time when the event occurred. UTC/GMT
Updated 2020-07-26 14:39:33 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 0.55 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.4 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 105 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 us6000b2ts Id of event.
Event Code 6000b2ts An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us6000b2ts, A comma-separated list of event ids that are associated to an event.

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