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Light World Earthquakes Magnitude 4-4.9

Light earthquake, 4.3 mag strikes near Merizo Village in Guam


Earthquake location 12.4373S, 143.9283WA light earthquake with magnitude 4.3 (ml/mb) was reported 121 km SW of Merizo Village, Guam (75 miles) on Wednesday. The epicenter of the earthquake was roughly 10 km (6 miles) below the earth’s surface. Exact location of earthquake, longitude 143.9283 East, latitude 12.4373 North, depth = 10 km. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). Global time and date of event 27/04/16 / 2016-04-27 09:54:02 / April 27, 2016 @ 9:54 am UTC/GMT. The 4.3-magnitude earthquake has occurred at 19:54:02 / 7:54 pm (local time epicenter). Unique identifier: us10005e2k. Ids that are associated to the event: us10005e2k.

Earthquakes 4.0 to 5.0 are often felt, but only causes minor damage. There are an estimated 13,000 light earthquakes in the world each year. In the past 24 hours, there have been five, in the last 10 days five, in the past 30 days twelve and in the last 365 days thirty-six earthquakes of magnitude 3.0 or greater that have been detected in the same area.

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. 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: 121 km SW of Merizo Village, Guam.

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More information

Parameter Value Description
Magnitude 4.3 mb The magnitude for the event.
Longitude 143.9283° East Decimal degrees longitude. Negative values for western longitudes.
Latitude 12.4373° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 10 km Depth of the event in kilometers.
Place 121km 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 2016-04-27 09:54:02 Time when the event occurred. UTC/GMT
Updated 2016-05-22 10:35:28 Time when the event was most recently updated. UTC/GMT
Timezone offset 600 Timezone offset from UTC in minutes at the event epicenter.
Felt 0 The total number of felt reports
CDI 1 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 284 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 1.466 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.33 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 157 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 us10005e2k Id of event.
Event Code 10005e2k An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us10005e2k, A comma-separated list of event ids that are associated to an event.

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