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Light World Earthquakes Magnitude 4-4.9

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


Earthquake location 12.5138S, 144.7628WA light earthquake magnitude 4.5 (ml/mb) has struck on Thursday, 83 kilometers (52 miles) from Merizo Village in Guam. The epicenter was at a depth of 10 km (6 miles). Exact location of earthquake, longitude 144.7628 East, latitude 12.5138 North, depth = 10 km. The temblor was detected at 08:58:06 / 8:58 am (local time epicenter). A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). Exact time and date of event in UTC/GMT: 11/02/21 / 2021-02-11 08:58:06 / February 11, 2021 @ 8:58 am. Event ids that are associated to the earthquake: us6000dj5x. Id of event: us6000dj5x.

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 94 km (58 miles) from Talofofo Village (c. 3 200 pop), 84 km (53 miles) from Inarajan Village (c. 3 100 pop), 84 km (52 miles) from Merizo Village (c. 2 200 pop), 88 km (55 miles) from Umatac Village (c. 900 pop).

Earthquakes 4.0 to 5.0 are often felt, but only causes minor damage. 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 fourty earthquakes of magnitude 3.0 or greater that was reported nearby. Each year there are an estimated 13,000 light earthquakes in the world.

How would you describe the shaking?

How did you respond? Did any furniture slide, topple over, or become displaced? Leave a comment or report about activity, shaking and damage at your home, city 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: 83 km S of Merizo Village, Guam.

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More information

Parameter Value Description
Magnitude 4.5 mb The magnitude for the event.
Longitude 144.7628° East Decimal degrees longitude. Negative values for western longitudes.
Latitude 12.5138° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 10 km Depth of the event in kilometers.
Place 83 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 2021-02-11 08:58:06 Time when the event occurred. UTC/GMT
Updated 2021-03-10 10:37:23 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 1.074 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.59 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 161 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 us6000dj5x Id of event.
Event Code 6000dj5x An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us6000dj5x, A comma-separated list of event ids that are associated to an event.

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