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Minor earthquake 2.8 mag, 66 km S of Tanaga Volcano, Alaska

Posted by admin on September 10, 2018 0 Comments

Earthquake location 51.2906S, -178.1546WA minor earthquake magnitude 2.8 (ml/mb) has struck on Wednesday, 66 km S of Tanaga Volcano, Alaska (41 miles). Unique identifier: us2000havv. Ids that are associated to the event: ak20105413, us2000havv. Global date and time of event UTC/GMT: 15/08/18 / 2018-08-15 21:18:02 / August 15, 2018 @ 9:18 pm. Exact location of event, longitude -178.1546 West, latitude 51.2906 North, depth = 35 km. The earthquake occurred at a depth of 35 km (22 miles) below the earth’s surface. The 2.8-magnitude earthquake has occurred at 09:18:02 / 9:18 am (local time epicenter).

Each year there are an estimated 1,300,000 minor earthquakes in the world. In the past 24 hours, there have been twenty-two, in the last 10 days twenty-nine, in the past 30 days fourty-one and in the last 365 days two hundred and fourteen earthquakes of magnitude 3.0 or greater that have been detected in the same area. Earthquakes 2.5 to 2.9 are often felt, but only causes minor damage.

How would you describe the shaking?

Did objects rattle, topple over, or fall off shelves? Leave a comment or report about activity, shaking and damage at your home, country and city. 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: 66 km S of Tanaga Volcano, Alaska.

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More information

Parameter Value Description
Magnitude 2.8 mb The magnitude for the event.
Longitude -178.1546° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 51.2906° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 35 km Depth of the event in kilometers.
Place 66km S of Tanaga Volcano, Alaska Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2018-08-15 21:18:02 Time when the event occurred. UTC/GMT
Updated 2018-09-10 15:06:03 Time when the event was most recently updated. UTC/GMT
Timezone offset -720 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 121 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 0.548 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.47 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 207 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 us2000havv Id of event.
Event Code 2000havv An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,ak20105413,us2000havv, A comma-separated list of event ids that are associated to an event.

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