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Light World Earthquakes Magnitude 4-4.9

Light earthquake, 4.1 mag has occurred near Pagan in Northern Mariana Islands

Earthquake location 17.6129S, 145.9469WA light earthquake with magnitude 4.1 (ml/mb) was reported 58 km SSE of Pagan, Northern Mariana Islands (36 miles) on Monday. Unique identifier: us10004ewv. Ids that are associated to the event: us10004ewv. The epicenter was at a depth of 184.35 km (115 miles). Global time and date of event 11/01/16 / 2016-01-11 13:56:04 / January 11, 2016 @ 1:56 pm UTC/GMT. The 4.1-magnitude earthquake has occurred at 23:56:04 / 11:56 pm (local time epicenter). A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). Exact location, longitude 145.9469° East, latitude 17.6129° North, depth = 184.35 km.

In the past 24 hours, there have been two, in the last 10 days four, in the past 30 days four and in the last 365 days thirty earthquakes of magnitude 3.0 or greater that have been detected nearby. There are an estimated 13,000 light quakes in the world each year. Earthquakes 4.0 to 5.0 are often felt, but only causes minor damage.

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. Read more about the earthquake, Location, Distances, Seismometer information, Date-Time, Parameters and details about this quake, reported near: 58 km SSE of Pagan, Northern Mariana Islands. This information comes from the USGS Earthquake Notification Service.

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More information

Parameter Value Description
Magnitude 4.1 mb The magnitude for the event.
Longitude 145.9469° East Decimal degrees longitude. Negative values for western longitudes.
Latitude 17.6129° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 184.35 km Depth of the event in kilometers.
Place 58km SSE of Pagan, 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 2016-01-11 13:56:04 Time when the event occurred. UTC/GMT
Updated 2016-02-03 20:25:58 Time when the event was most recently updated. UTC/GMT
Timezone offset 600 Timezone offset from UTC in minutes at the event epicenter.
Felt 0 The total number of felt reports
CDI 1 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 259 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 2.363 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.33 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 156 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 us10004ewv Id of event.
Event Code 10004ewv An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us10004ewv, A comma-separated list of event ids that are associated to an event.

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