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Light World Earthquakes Magnitude 4-4.9

Light earthquake, 4.5 mag was detected near Rota in Northern Mariana Islands


Earthquake location 14.3747S, 144.4461WA light earthquake magnitude 4.5 (ml/mb) has struck on Wednesday, 85 km WNW of Rota, Northern Mariana Islands (53 miles). The 4.5-magnitude earthquake has occurred at 01:20:23 / 1:20 am (local time epicenter). A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). The earthquake was roughly at a depth of 10 km (6 miles). Exact location, longitude 144.4461° East, latitude 14.3747° North, depth = 10 km. Date and time of earthquake in UTC/GMT: 17/07/18 / 2018-07-17 15:20:23 / July 17, 2018 @ 3:20 pm. Unique identifier: us2000g9ur. Ids that are associated to the event: us2000g9ur.

Earthquakes 4.0 to 5.0 are often felt, but only causes minor damage. Each year there are an estimated 13,000 light earthquakes in the world. In the past 24 hours, there have been one, in the last 10 days one, in the past 30 days two and in the last 365 days fifteen earthquakes of magnitude 3.0 or greater that has occurred 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. Read more about the earthquake, Distances, Seismometer information, Date-Time, Parameters, Location and details about this quake, that has struck: 85 km WNW of Rota, Northern Mariana Islands. This data comes from the USGS Earthquake Notification Service.

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More information

Parameter Value Description
Magnitude 4.5 mb The magnitude for the event.
Longitude 144.4461° East Decimal degrees longitude. Negative values for western longitudes.
Latitude 14.3747° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 10 km Depth of the event in kilometers.
Place 85km WNW of Rota, 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 2018-07-17 15:20:23 Time when the event occurred. UTC/GMT
Updated 2018-07-25 14:06:35 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 312 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 0.881 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.12 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 146 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 us2000g9ur Id of event.
Event Code 2000g9ur An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us2000g9ur, A comma-separated list of event ids that are associated to an event.

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