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Light World Earthquakes Magnitude 4-4.9

Light earthquake 4.3 mag, 291 km E of Anatahan, Northern Mariana Islands

Earthquake location 16.541S, 148.3862WA light earthquake with magnitude 4.3 (ml/mb) was reported 291 km E of Anatahan, Northern Mariana Islands (181 miles) on Sunday. Exact location of earthquake, longitude 148.3862 East, latitude 16.541 North, depth = 40.34 km. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). The earthquake occurred at a depth of 40.34 km (25 miles) below the earth’s surface. Event ids that are associated to the earthquake: us20009xvl. Id of event: us20009xvl. Global time and date of event 09/07/17 / 2017-07-09 10:43:00 / July 9, 2017 @ 10:43 am UTC/GMT. The 4.3-magnitude earthquake has occurred at 20:43:00 / 8:43 pm (local time epicenter).

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

Did you feel it?

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. This data comes from the USGS Earthquake Notification Service. Read more about the earthquake, Seismometer information, Distances, Parameters, Date-Time, Location and details about this quake, that has occurred near: 291 km E of Anatahan, Northern Mariana Islands.

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More information

Parameter Value Description
Magnitude 4.3 mb The magnitude for the event.
Longitude 148.3862° East Decimal degrees longitude. Negative values for western longitudes.
Latitude 16.541° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 40.34 km Depth of the event in kilometers.
Place 291km E of Anatahan, 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 2017-07-09 10:43:00 Time when the event occurred. UTC/GMT
Updated 2017-07-21 07:00:53 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 284 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 4.489 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.78 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 122 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 us20009xvl Id of event.
Event Code 20009xvl An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us20009xvl, A comma-separated list of event ids that are associated to an event.

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