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Light World Earthquakes Magnitude 4-4.9

Light earthquake, 4.6 mag has occurred near Inarajan Village in Guam

Earthquake location 12.7209S, 144.8327WA light earthquake with magnitude 4.6 (ml/mb) was reported 61 kilometers (38 miles) from Inarajan Village in Guam on Tuesday. The 4.6-magnitude earthquake has occurred at 09:37:01 / 9:37 am (local time epicenter). Unique identifier: us1000h3w3. Ids that are associated to the event: us1000h3w3. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). Exact location of earthquake, longitude 144.8327 East, latitude 12.7209 North, depth = 65.45 km. Exact time and date of event in UTC/GMT: 24/09/18 / 2018-09-24 23:37:01 / September 24, 2018 @ 11:37 pm. The earthquake occurred at a depth of 65.45 km (41 miles).

The epicenter was 89 km (55 miles) from Dededo Village (c. 44 900 pop), 91 km (56 miles) from Yigo Village (c. 20 500 pop), 85 km (53 miles) from Tamuning-Tumon-Harmon Village (c. 19 700 pop), 81 km (50 miles) from Mangilao Village (c. 15 200 pop), 83 km (52 miles) from Barrigada Village (c. 8 900 pop), 76 km (47 miles) from Santa Rita Village (c. 7 500 pop), 83 km (52 miles) from Mongmong-Toto-Maite Village (c. 6 800 pop). Close country/countries that might be effected, Guam (c. 159 000 pop). Nearest city/cities or towns, with min 5000 pop, to epicentrum/hypocenter was Yigo Village, Dededo Village, Tamuning-Tumon-Harmon Village.

Each year there are an estimated 13,000 light quakes in the world. 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 have been detected nearby. Earthquakes 4.0 to 5.0 are often felt, but only causes minor damage.

Did you feel anything?

Were you asleep? Was it difficult to stand and/or walk? Leave a comment or report about shaking, activity and damage at your city, home and country. Read more about the earthquake, Location, Distances, Seismometer information, Date-Time, Parameters and details about this quake, reported near: 61 km S of Inarajan 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 144.8327° East Decimal degrees longitude. Negative values for western longitudes.
Latitude 12.7209° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 65.45 km Depth of the event in kilometers.
Place 61km S of Inarajan 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 2018-09-24 23:37:01 Time when the event occurred. UTC/GMT
Updated 2018-10-15 05:47:57 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 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 0.863 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.52 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 265 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 us1000h3w3 Id of event.
Event Code 1000h3w3 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us1000h3w3, A comma-separated list of event ids that are associated to an event.

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