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Light World Earthquakes Magnitude 4-4.9

Light earthquake 4.4 mag, 199 km SW of Merizo Village, Guam


Earthquake location 11.8228S, 143.5745WA light earthquake magnitude 4.4 (ml/mb) has struck on Thursday, 199 km SW of Merizo Village, Guam (124 miles). The temblor was reported at 15:13:43 / 3:13 pm (local time epicenter). Exact location of event, longitude 143.5745 East, latitude 11.8228 North, depth = 32.29 km. Date and time of earthquake in UTC/GMT: 21/01/21 / 2021-01-21 15:13:43 / January 21, 2021 @ 3:13 pm. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). The epicenter was at a depth of 32.29 km (20 miles). Event id: us6000dcvg. Ids that are associated to the earthquake: us6000dcvg.

Earthquakes 4.0 to 5.0 are often felt, but only causes minor damage. In the past 24 hours, there have been four, in the last 10 days four, in the past 30 days five and in the last 365 days thirty-seven earthquakes of magnitude 3.0 or greater that has struck near. Every year there are an estimated 13,000 light earthquakes in the world.

Did you feel it?

What was your situation during the earthquake? Leave a comment or report about damage, shaking and activity 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: 199 km SW of Merizo Village, Guam. This information comes from the USGS Earthquake Notification Service.

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More information

Parameter Value Description
Magnitude 4.4 mb The magnitude for the event.
Longitude 143.5745° East Decimal degrees longitude. Negative values for western longitudes.
Latitude 11.8228° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 32.29 km Depth of the event in kilometers.
Place 199 km SW 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 2021-01-21 15:13:43 Time when the event occurred. UTC/GMT
Updated 2021-02-17 21:39:58 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 298 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 2.162 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.74 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 131 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 us6000dcvg Id of event.
Event Code 6000dcvg An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us6000dcvg, A comma-separated list of event ids that are associated to an event.

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