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Light World Earthquakes Magnitude 4-4.9

Light earthquake 4.5 mag, 32 km WSW of Fais, Micronesia


Earthquake location 9.6877S, 140.2344WA light earthquake with magnitude 4.5 (ml/mb) was detected on Friday, 32 km WSW of Fais, Micronesia (20 miles). The 4.5-magnitude earthquake was detected at 17:28:42 / 5:28 pm (local time epicenter). All ids that are associated to the event: us2000c4fq. Unique identifier: us2000c4fq. The epicenter was at a depth of 10 km (6 miles). A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). Exact location of earthquake, longitude 140.2344 East, latitude 9.6877 North, depth = 10 km. Global time and date of event 08/12/17 / 2017-12-08 08:28:42 / December 8, 2017 @ 8:28 am UTC/GMT.

Each year there are an estimated 13,000 light earthquakes in the world. In the past 24 hours, there have been seventeen, in the last 10 days seventeen, in the past 30 days seventeen and in the last 365 days eighteen 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.

How would you describe the shaking?

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: 32 km WSW of Fais, Micronesia.

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More information

Parameter Value Description
Magnitude 4.5 mb The magnitude for the event.
Longitude 140.2344° East Decimal degrees longitude. Negative values for western longitudes.
Latitude 9.6877° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 10 km Depth of the event in kilometers.
Place 32km WSW of Fais, Micronesia Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2017-12-08 08:28:42 Time when the event occurred. UTC/GMT
Updated 2018-01-03 08:22:33 Time when the event was most recently updated. UTC/GMT
Timezone offset 540 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 5.969 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 1.08 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 124 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 us2000c4fq Id of event.
Event Code 2000c4fq An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us2000c4fq, A comma-separated list of event ids that are associated to an event.

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