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Light World Earthquakes Magnitude 4-4.9

Light earthquake: M4.2 quake has struck near Agrihan in Northern Mariana Islands


Earthquake location 18.5434S, 145.5894WA light earthquake with magnitude 4.2 (ml/mb) was detected on Monday, 26 km SSW of Agrihan, Northern Mariana Islands (16 miles). Exact location of earthquake, longitude 145.5894 East, latitude 18.5434 North, depth = 181.19 km. The earthquake occurred at a depth of 181.19 km (113 miles) below the earth’s surface. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). Exact time and date of earthquake 01/01/18 / 2018-01-01 00:19:14 / January 1, 2018 @ 12:19 am UTC/GMT. The temblor was reported at 10:19:14 / 10:19 am (local time epicenter). All ids that are associated to the event: us2000ck1k. Unique identifier: us2000ck1k.

In the past 24 hours, there have been two, in the last 10 days seven, in the past 30 days ten and in the last 365 days seventy-five earthquakes of magnitude 3.0 or greater that has struck near. Earthquakes 4.0 to 5.0 are often felt, but only causes minor damage. Each year there are an estimated 13,000 light quakes in the world.

Did you feel the quake?

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. Read more about the earthquake, Location, Distances, Seismometer information, Date-Time, Parameters and details about this quake, reported near: 26 km SSW of Agrihan, Northern Mariana Islands. This information comes from the USGS Earthquake Notification Service.

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More information

Parameter Value Description
Magnitude 4.2 mb The magnitude for the event.
Longitude 145.5894° East Decimal degrees longitude. Negative values for western longitudes.
Latitude 18.5434° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 181.19 km Depth of the event in kilometers.
Place 26km SSW of Agrihan, Northern Mariana Islands Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2018-01-01 00:19:14 Time when the event occurred. UTC/GMT
Updated 2018-01-19 04:42:49 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 3.289 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 87 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 us2000ck1k Id of event.
Event Code 2000ck1k An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us2000ck1k, A comma-separated list of event ids that are associated to an event.

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