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Minor earthquake 3.3 mag, 17 km S of Semisopochnoi Island, Alaska

Posted by admin on April 21, 2019 0 Comments

Earthquake location 51.7992S, 179.6267WA minor earthquake magnitude 3.3 (ml/mb) has struck on Wednesday, 17 km S of Semisopochnoi Island, Alaska (11 miles). The 3.3-magnitude earthquake was detected at 06:03:17 / 6:03 am (local time epicenter). Event id: us700039aa. Ids that are associated to the earthquake: ak0193yhrhv4, us700039aa. Global date and time of event UTC/GMT: 27/03/19 / 2019-03-27 16:03:17 / March 27, 2019 @ 4:03 pm. The epicenter of the earthquake was roughly 10 km (6 miles) below the earth’s surface. Exact location of event, longitude 179.6267 East, latitude 51.7992 North, depth = 10 km.

Earthquakes 2.5 to 3.5 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 twelve, in the last 10 days fourteen, in the past 30 days fifteen and in the last 365 days seventy-nine earthquakes of magnitude 3.0 or greater that have been detected nearby.

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. Read more about the earthquake, Distances, Seismometer information, Date-Time, Parameters, Location and details about this quake, that has struck: 17 km S of Semisopochnoi Island, Alaska. This data comes from the USGS Earthquake Notification Service.

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More information

Parameter Value Description
Magnitude 3.3 mb The magnitude for the event.
Longitude 179.6267° East Decimal degrees longitude. Negative values for western longitudes.
Latitude 51.7992° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 10 km Depth of the event in kilometers.
Place 17km S of Semisopochnoi Island, Alaska Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2019-03-27 16:03:17 Time when the event occurred. UTC/GMT
Updated 2019-04-21 23:25:18 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 168 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 0.942 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.52 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 196 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 us700039aa Id of event.
Event Code 700039aa An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,ak0193yhrhv4,us700039aa, A comma-separated list of event ids that are associated to an event.

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