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Minor World Earthquakes Magnitude -3.9

Minor earthquake 3.9 mag, 240 km SSE of Kodiak, Alaska

Posted by admin on February 17, 2018 0 Comments

Earthquake location 55.9687S, -150.2903WA minor earthquake with magnitude 3.9 (ml/mb) was detected on Wednesday, 240 km SSE of Kodiak, Alaska (149 miles). Exact time and date of event in UTC/GMT: 01/02/18 / 2018-02-01 07:15:21 / February 1, 2018 @ 7:15 am. Exact location of event, depth 6.06 km, -150.2903° West, 55.9687° North. The earthquake occurred at a depth of 6.06 km (4 miles) below the earth’s surface. Unique identifier: us1000cdkj. Ids that are associated to the event: ak18270057, us1000cdkj. The temblor was reported at 21:15:21 / 9:15 pm (local time epicenter).

Every year there are an estimated 130,000 minor earthquakes in the world. In the past 24 hours, there have been three hundred and twenty-one, in the last 10 days one thousand, five hundred and twenty-seven, in the past 30 days one thousand, five hundred and twenty-seven and in the last 365 days one thousand, five hundred and thirty-two earthquakes of magnitude 3.0 or greater that have been detected in the same area. Earthquakes 3.0 to 4.0 are often felt, but only causes minor damage.

Did you feel it?

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. The information in this article comes from the USGS Earthquake Notification Service. Read more about the earthquake, Seismometer information, Distances, Parameters, Date-Time, Location and details about this quake, detected near: 240 km SSE of Kodiak, Alaska.

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More information

Parameter Value Description
Magnitude 3.9 mb The magnitude for the event.
Longitude -150.2903° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 55.9687° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 6.06 km Depth of the event in kilometers.
Place 240km SSE of Kodiak, Alaska Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2018-02-01 07:15:21 Time when the event occurred. UTC/GMT
Updated 2018-02-17 09:36:08 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 234 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 2.08 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.94 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 us1000cdkj Id of event.
Event Code 1000cdkj An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,ak18270057,us1000cdkj, A comma-separated list of event ids that are associated to an event.

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