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Minor World Earthquakes Magnitude -3.9

Minor earthquake: M3.7 quake has struck near Nikolski in Alaska

Earthquake location 53.2222S, -169.2254WA minor earthquake with magnitude 3.7 (ml/mb) was reported 39 km NW of Nikolski, Alaska (24 miles) on Wednesday. Exact time and date of event in UTC/GMT: 08/08/18 / 2018-08-08 22:33:14 / August 8, 2018 @ 10:33 pm. Exact location of earthquake, -169.2254° West, 53.2222° North, depth 145.68 km. The 3.7-magnitude earthquake has occurred at 11:33:14 / 11:33 am (local time epicenter). Id of earthquake: us1000g8x1. Event ids that are associated: ak20032921, us1000g8x1. The earthquake occurred at a depth of 145.68 km (91 miles) below the earth’s surface.

Each year there are an estimated 130,000 minor earthquakes in the world. In the past 24 hours, there have been three, in the last 10 days seven, in the past 30 days sixteen and in the last 365 days eighty-seven earthquakes of magnitude 3.0 or greater that has occurred nearby. Earthquakes 3.0 to 4.0 are often felt, but only causes minor damage.

Did you feel it?

What was your situation during the earthquake? Leave a comment or report about damage, shaking and activity 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: 39 km NW of Nikolski, Alaska.

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More information

Parameter Value Description
Magnitude 3.7 mb The magnitude for the event.
Longitude -169.2254° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 53.2222° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 145.68 km Depth of the event in kilometers.
Place 39km NW of Nikolski, Alaska Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2018-08-08 22:33:14 Time when the event occurred. UTC/GMT
Updated 2018-08-24 23:31:51 Time when the event was most recently updated. UTC/GMT
Timezone offset -660 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 211 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 ,ak,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 0.335 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.74 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 77 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 us1000g8x1 Id of event.
Event Code 1000g8x1 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,ak20032921,us1000g8x1, A comma-separated list of event ids that are associated to an event.

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