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Light World Earthquakes Magnitude 4-4.9

Light earthquake 4.2 mag, 146 km WSW of Merizo Village, Guam

Posted by admin on May 9, 2018 0 Comments

Earthquake location 12.7653S, 143.4185WA light earthquake with magnitude 4.2 (ml/mb) was reported 146 km WSW of Merizo Village, Guam (91 miles) on Saturday. The earthquake occurred at a depth of 99.53 km (62 miles) below the earth’s surface. Unique identifier: us1000dnm9. Ids that are associated to the event: us1000dnm9. The 4.2-magnitude earthquake was detected at 11:43:00 / 11:43 am (local time epicenter). Exact location of earthquake, 143.4185° East, 12.7653° North, depth 99.53 km. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). Exact time and date of event in UTC/GMT: 14/04/18 / 2018-04-14 01:43:00 / April 14, 2018 @ 1:43 am.

There are an estimated 13,000 light earthquakes in the world each year. 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 five, in the past 30 days seven and in the last 365 days thirty-eight earthquakes of magnitude 3.0 or greater that has occurred nearby.

Did you feel the quake?

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. This information comes from the USGS Earthquake Notification Service. Read more about the earthquake, Seismometer information, Date-Time, Location, Distances, Parameters and details about this quake, recorded: 146 km WSW of Merizo Village, Guam.

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More information

Parameter Value Description
Magnitude 4.2 mb The magnitude for the event.
Longitude 143.4185° East Decimal degrees longitude. Negative values for western longitudes.
Latitude 12.7653° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 99.53 km Depth of the event in kilometers.
Place 146km WSW 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 2018-04-14 01:43:00 Time when the event occurred. UTC/GMT
Updated 2018-05-09 03:23:32 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 1.632 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.53 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 136 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 us1000dnm9 Id of event.
Event Code 1000dnm9 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us1000dnm9, A comma-separated list of event ids that are associated to an event.

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