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Minor World Earthquakes Magnitude -3.9

Minor earthquake, 3.5 mag has occurred near Kodiak in Alaska

Posted by admin on March 7, 2018 0 Comments

Earthquake location 56.3357S, -149.2056WA minor earthquake magnitude 3.5 (ml/mb) strikes 252 km SE of Kodiak, Alaska (157 miles) on Wednesday. Exact location of event, depth 23.63 km, -149.2056° West, 56.3357° North. Id of earthquake: us2000d5wh. Event ids that are associated: ak18478843, us2000d5wh. Global time and date of event 21/02/18 / 2018-02-21 16:07:41 / February 21, 2018 @ 4:07 pm UTC/GMT. The epicenter of the earthquake was roughly 23.63 km (15 miles) below the earth’s surface. The 3.5-magnitude earthquake was detected at 06:07:41 / 6:07 am (local time epicenter).

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

How would you describe the shaking?

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. This information comes from the USGS Earthquake Notification Service. Read more about the earthquake, Seismometer information, Date-Time, Location, Distances, Parameters and details about this quake, recorded: 252 km SE of Kodiak, Alaska.

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More information

Parameter Value Description
Magnitude 3.5 mb The magnitude for the event.
Longitude -149.2056° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 56.3357° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 23.63 km Depth of the event in kilometers.
Place 252km SE 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 2018-02-21 16:07:41 Time when the event occurred. UTC/GMT
Updated 2018-03-07 04:27:58 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 188 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 2.347 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.87 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 189 The largest azimuthal gap between azimuthally adjacent stations (in degrees).
Magnitude Type ml The method or algorithm used to calculate the preferred magnitude for the event.
Event Type earthquake Type of seismic event.
Event ID us2000d5wh Id of event.
Event Code 2000d5wh An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,ak18478843,us2000d5wh, A comma-separated list of event ids that are associated to an event.

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