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Light World Earthquakes Magnitude 4-4.9

Light earthquake, 4.4 mag has occurred near Agrihan in Northern Mariana Islands


Earthquake location 19.2137S, 147.0149WA light earthquake magnitude 4.4 (ml/mb) has struck on Wednesday, 150 km ENE of Agrihan, Northern Mariana Islands (93 miles). A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). The 4.4-magnitude earthquake has occurred at 02:44:51 / 2:44 am (local time epicenter). The earthquake occurred at a depth of 10 km (6 miles) below the earth’s surface. Id of earthquake: us70006u71. Event ids that are associated: us70006u71. Exact location, longitude 147.0149° East, latitude 19.2137° North, depth = 10 km. Date and time of earthquake in UTC/GMT: 17/12/19 / 2019-12-17 16:44:51 / December 17, 2019 @ 4:44 pm.

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

Did you feel it?

How did you respond? Did any furniture slide, topple over, or become displaced? Leave a comment or report about activity, shaking and damage at your home, city and country. Read more about the earthquake, Distances, Seismometer information, Date-Time, Parameters, Location and details about this quake, that has struck: 150 km ENE of Agrihan, Northern Mariana Islands. This data comes from the USGS Earthquake Notification Service.

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More information

Parameter Value Description
Magnitude 4.4 mb The magnitude for the event.
Longitude 147.0149° East Decimal degrees longitude. Negative values for western longitudes.
Latitude 19.2137° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 10 km Depth of the event in kilometers.
Place 150km ENE 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 2019-12-17 16:44:51 Time when the event occurred. UTC/GMT
Updated 2020-01-06 19:31:04 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 298 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 4.12 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.39 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 116 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 us70006u71 Id of event.
Event Code 70006u71 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us70006u71, A comma-separated list of event ids that are associated to an event.

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