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Light World Earthquakes Magnitude 4-4.9

Light earthquake, 4.2 mag was detected near Merizo Village in Guam

Earthquake location 12.946S, 144.299WA light earthquake with magnitude 4.2 (ml/mb) was reported 53 kilometers (33 miles) from Merizo Village in Guam on Sunday. The earthquake occurred at a depth of 78.23 km (49 miles) below the earth’s surface. The 4.2-magnitude earthquake was detected at 09:03:11 / 9:03 am (local time epicenter). Exact time and date of earthquake 27/10/18 / 2018-10-27 23:03:11 / October 27, 2018 @ 11:03 pm UTC/GMT. Exact location, longitude 144.299° East, latitude 12.946° North, depth = 78.23 km. Id of earthquake: us2000i5i3. Event ids that are associated: us2000i5i3. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist).

Nearby country/countries, Guam (c. 159 000 pop) (That might be effected). Epicenter of the earthquake was 86 km (54 miles) from Dededo Village (c. 44 900 pop), 92 km (57 miles) from Yigo Village (c. 20 500 pop), 80 km (50 miles) from Tamuning-Tumon-Harmon Village (c. 19 700 pop), 78 km (48 miles) from Mangilao Village (c. 15 200 pop), 79 km (49 miles) from Barrigada Village (c. 8 900 pop), 63 km (39 miles) from Santa Rita Village (c. 7 500 pop). Nearest cities/city/towns to hypocenter/epicentrum was Yigo Village, Dededo Village, Tamuning-Tumon-Harmon Village (min 5000 pop).

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

Did you feel anything?

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. This data comes from the USGS Earthquake Notification Service. Read more about the earthquake, Seismometer information, Distances, Parameters, Date-Time, Location and details about this quake, that has occurred near: 53 km SW of Merizo Village, Guam.

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More information

Parameter Value Description
Magnitude 4.2 mb The magnitude for the event.
Longitude 144.299° East Decimal degrees longitude. Negative values for western longitudes.
Latitude 12.946° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 78.23 km Depth of the event in kilometers.
Place 53km 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 2018-10-27 23:03:11 Time when the event occurred. UTC/GMT
Updated 2018-11-02 05:54:33 Time when the event was most recently updated. UTC/GMT
Timezone offset 600 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 271 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 0.846 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.43 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 72 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 us2000i5i3 Id of event.
Event Code 2000i5i3 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us2000i5i3, A comma-separated list of event ids that are associated to an event.

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