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Light World Earthquakes Magnitude 4-4.9

Light earthquake, 4.5 mag has occurred near Yigo Village in Guam

Earthquake location 13.9855S, 145.1995WA light earthquake magnitude 4.5 (ml/mb) has occurred on Monday, 60 kilometers (37 miles) from Yigo Village in Guam. Exact time and date of event in UTC/GMT: 21/09/20 / 2020-09-21 15:23:53 / September 21, 2020 @ 3:23 pm. The earthquake occurred at a depth of 112.82 km (70 miles) below the earth’s surface. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). Id of earthquake: us6000c14n. Event ids that are associated: us6000c14n. Exact location of earthquake, longitude 145.1995 East, latitude 13.9855 North, depth = 112.82 km. The 4.5-magnitude earthquake was detected at 15:23:53 / 3:23 pm (local time epicenter).

Nearest cities/city/villages to epicentrum/hypocenter was Umatac Village, Inarajan Village, Agat Village (min 5000 pop). Epicenter of the event was 65 km (40 miles) from Dededo Village (c. 44 900 pop), 60 km (37 miles) from Yigo Village (c. 20 500 pop), 71 km (44 miles) from Tamuning-Tumon-Harmon Village (c. 19 700 pop), 74 km (46 miles) from Mangilao Village (c. 15 200 pop), 72 km (45 miles) from Barrigada Village (c. 8 900 pop), 88 km (54 miles) from Santa Rita Village (c. 7 500 pop), 73 km (45 miles) from Mongmong-Toto-Maite Village (c. 6 800 pop). Nearby country/countries, Guam (c. 159 000 pop) (That might be effected).

There are an estimated 13,000 light quakes in the world each year. In the past 24 hours, there have been two, in the last 10 days two, in the past 30 days three and in the last 365 days fifty-six earthquakes of magnitude 3.0 or greater that have been detected in the same area. Earthquakes 4.0 to 5.0 are often felt, but only causes minor damage.

How would you describe the shaking?

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: 60 km NE of Yigo Village, Guam.

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More information

Parameter Value Description
Magnitude 4.5 mb The magnitude for the event.
Longitude 145.1995° East Decimal degrees longitude. Negative values for western longitudes.
Latitude 13.9855° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 112.82 km Depth of the event in kilometers.
Place 60 km NE of Yigo 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 2020-09-21 15:23:53 Time when the event occurred. UTC/GMT
Updated 2020-09-27 14:49:37 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 312 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 0.508 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.47 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 66 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 us6000c14n Id of event.
Event Code 6000c14n An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us6000c14n, A comma-separated list of event ids that are associated to an event.

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