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Light World Earthquakes Magnitude 4-4.9

Light earthquake: M4.7 quake has struck near Merizo Village in Guam

Earthquake location 13.1104S, 144.1204WA light earthquake magnitude 4.7 (ml/mb) has struck on Friday, 61 kilometers (38 miles) from Merizo Village in Guam. The temblor was picked up at 16:47:31 / 4:47 pm (local time epicenter). The epicenter was at a depth of 123.83 km (77 miles). Event id: us1000482w. Ids that are associated to the earthquake: us1000482w. Global time and date of event 18/12/15 / 2015-12-18 06:47:31 / December 18, 2015 @ 6:47 am UTC/GMT. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). Exact location of event, depth 123.83 km, 144.1204° East, 13.1104° North.

Epicenter of the event was 90 km (56 miles) from Dededo Village (c. 44 900 pop), 96 km (59 miles) from Yigo Village (c. 20 500 pop), 83 km (52 miles) from Tamuning-Tumon-Harmon Village (c. 19 700 pop), 83 km (51 miles) from Mangilao Village (c. 15 200 pop), 84 km (52 miles) from Barrigada Village (c. 8 900 pop), 67 km (42 miles) from Santa Rita Village (c. 7 500 pop), 82 km (51 miles) from Mongmong-Toto-Maite Village (c. 6 800 pop). Country/countries that might be effected, Guam (c. 159 000 pop). Closest city/cities or villages, with min 5000 pop, to hypocenter/epicentrum was Yigo Village, Dededo Village, Barrigada Village.

Each year there are an estimated 13,000 light earthquakes in the world. In the past 24 hours, there have been one, in the last 10 days one, in the past 30 days two and in the last 365 days twenty-seven earthquakes of magnitude 3.0 or greater that have been detected nearby. Earthquakes 4.0 to 5.0 are often felt, but only causes minor damage.

How would you describe the shaking?

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: 61 km WSW of Merizo Village, Guam. This information comes from the USGS Earthquake Notification Service.

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More information

Parameter Value Description
Magnitude 4.7 mb The magnitude for the event.
Longitude 144.1204° East Decimal degrees longitude. Negative values for western longitudes.
Latitude 13.1104° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 123.83 km Depth of the event in kilometers.
Place 61km WSW of Merizo 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 2015-12-18 06:47:31 Time when the event occurred. UTC/GMT
Updated 2015-12-20 22:09:43 Time when the event was most recently updated. UTC/GMT
Timezone offset 600 Timezone offset from UTC in minutes at the event epicenter.
Felt 1 The total number of felt reports
CDI 2.2 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 340 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 0.869 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.66 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 63 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 us1000482w Id of event.
Event Code 1000482w An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us1000482w, A comma-separated list of event ids that are associated to an event.

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