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Light World Earthquakes Magnitude 4-4.9

Light earthquake, 4.1 mag was detected near Umatac Village in Guam

Earthquake location 13.2221S, 143.9252WA light earthquake with magnitude 4.1 (ml/mb) was reported 80 kilometers (50 miles) from Umatac Village in Guam on Saturday. Exact time and date of earthquake 28/11/20 / 2020-11-28 08:47:16 / November 28, 2020 @ 8:47 am UTC/GMT. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). The 4.1-magnitude earthquake was detected at 08:47:16 / 8:47 am (local time epicenter). Exact location of event, depth 141.27 km, 143.9252° East, 13.2221° North. The earthquake occurred at a depth of 141.27 km (88 miles) below the earth’s surface. Event id: us7000cm5q. Ids that are associated to the earthquake: us7000cm5q.

Country/countries that might be effected, Guam (c. 159 000 pop). Nearest cities/city/towns to hypocenter/epicentrum was Talofofo Village, Asan-Maina Village, Inarajan Village (min 5000 pop). Earthquake epicenter was 83 km (51 miles) from Santa Rita Village (c. 7 500 pop), 81 km (51 miles) from Agat Village (c. 5 700 pop), 91 km (57 miles) from Talofofo Village (c. 3 200 pop), 89 km (55 miles) from Inarajan Village (c. 3 100 pop), 81 km (50 miles) from Merizo Village (c. 2 200 pop), 90 km (56 miles) from Asan-Maina Village (c. 2 100 pop).

In the past 24 hours, there have been four, in the last 10 days five, in the past 30 days five and in the last 365 days fifty-two 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 quakes in the world.

Did you feel anything?

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 data comes from the USGS Earthquake Notification Service. Read more about the earthquake, Seismometer information, Distances, Parameters, Date-Time, Location and details about this quake, that has occurred near: 80 km W of Umatac Village, Guam.

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More information

Parameter Value Description
Magnitude 4.1 mb The magnitude for the event.
Longitude 143.9252° East Decimal degrees longitude. Negative values for western longitudes.
Latitude 13.2221° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 141.27 km Depth of the event in kilometers.
Place 80 km W of Umatac 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 2020-11-28 08:47:16 Time when the event occurred. UTC/GMT
Updated 2020-12-10 12:00:17 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 259 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 0.987 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 1.13 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 82 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 us7000cm5q Id of event.
Event Code 7000cm5q An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us7000cm5q, A comma-separated list of event ids that are associated to an event.

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