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Light World Earthquakes Magnitude 4-4.9

Light earthquake: M4.6 quake has struck near Merizo Village in Guam

Earthquake location 12.5094S, 144.5494WA light earthquake magnitude 4.6 (ml/mb) has struck on Wednesday, 84 kilometers (52 miles) from Merizo Village in Guam. All ids that are associated to the event: us7000cn38. Unique identifier: us7000cn38. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). Exact location of event, longitude 144.5494 East, latitude 12.5094 North, depth = 10 km. The 4.6-magnitude earthquake was detected at 23:55:34 / 11:55 pm (local time epicenter). Date and time of earthquake in UTC/GMT: 02/12/20 / 2020-12-02 23:55:34 / December 2, 2020 @ 11:55 pm. The earthquake occurred at a depth of 10 km (6 miles) below the earth’s surface.

Nearby country/countries that might be effected, Guam (c. 159 000 pop). Nearest cities/city/towns to hypocenter/epicentrum was Talofofo Village, Umatac Village, Inarajan Village (min 5000 pop). Event epicenter was 97 km (60 miles) from Talofofo Village (c. 3 200 pop), 88 km (54 miles) from Inarajan Village (c. 3 100 pop), 85 km (53 miles) from Merizo Village (c. 2 200 pop), 88 km (55 miles) from Umatac Village (c. 900 pop).

Each year there are an estimated 13,000 light quakes in the world. In the past 24 hours, there have been two, in the last 10 days three, in the past 30 days three and in the last 365 days thirty-eight 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.

Questions or comments?

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. Read more about the earthquake, Location, Distances, Seismometer information, Date-Time, Parameters and details about this quake, reported near: 84 km S of Merizo Village, Guam. This information comes from the USGS Earthquake Notification Service.

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More information

Parameter Value Description
Magnitude 4.6 mb The magnitude for the event.
Longitude 144.5494° East Decimal degrees longitude. Negative values for western longitudes.
Latitude 12.5094° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 10 km Depth of the event in kilometers.
Place 84 km S 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 2020-12-02 23:55:34 Time when the event occurred. UTC/GMT
Updated 2020-12-13 04:16:59 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 326 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 1.117 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.63 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 144 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 us7000cn38 Id of event.
Event Code 7000cn38 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us7000cn38, A comma-separated list of event ids that are associated to an event.

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