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Minor earthquake 2.8 mag, 7 km S of Big Lake, Alaska

Posted by admin on July 25, 2019 0 Comments

Earthquake location 61.4522S, -149.9678WA minor earthquake magnitude 2.8 (ml/mb) has occurred on Thursday, 7 kilometers (4 miles) from Big Lake in Alaska. The earthquake occurred at a depth of 38.4 km (24 miles) below the earth’s surface. Global date and time of event UTC/GMT: 25/07/19 / 2019-07-25 18:01:50 / July 25, 2019 @ 6:01 pm. The 2.8-magnitude earthquake was detected at 09:01:50 / 9:01 am (local time epicenter). Exact location of event, depth 38.4 km, -149.9678° West, 61.4522° North. All ids that are associated to the event: ak0199gzfm70. Unique identifier: ak0199gzfm70.

Nearest cities/city/villages to epicentrum/hypocenter was Palmer, Gateway, Lakes (min 5000 pop). Epicenter of the earthquake was 26 km (16 miles) from Anchorage (c. 291 800 pop), 26 km (16 miles) from Eagle River (c. 24 800 pop), 21 km (13 miles) from Knik-Fairview (c. 14 900 pop), 39 km (24 miles) from Lakes (c. 8 400 pop), 35 km (21 miles) from Tanaina (c. 8 200 pop). Country/countries that might be effected, United States (c. 310 233 000 pop).

Earthquakes 2.5 to 2.9 are often felt, but only causes minor damage. There are an estimated 1,300,000 minor quakes in the world each year. In the past 24 hours, there have been 0, in the last 10 days three, in the past 30 days twelve and in the last 365 days five hundred and fourty-eight earthquakes of magnitude 3.0 or greater that was reported nearby.

Did you feel the quake?

How did you respond? Did any furniture slide, topple over, or become displaced? Leave a comment or report about activity, shaking and damage at your home, city and country. Read more about the earthquake, Distances, Seismometer information, Date-Time, Parameters, Location and details about this quake, that has struck: 7 km S of Big Lake, Alaska. This data comes from the USGS Earthquake Notification Service.

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More information

Parameter Value Description
Magnitude 2.8 mb The magnitude for the event.
Longitude -149.9678° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 61.4522° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 38.4 km Depth of the event in kilometers.
Place 7km S of Big Lake, Alaska Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2019-07-25 18:01:50 Time when the event occurred. UTC/GMT
Updated 2019-07-25 18:08:31 Time when the event was most recently updated. UTC/GMT
Timezone offset -540 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 automatic 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 ak The ID of a data contributor. Identifies the network considered to be the preferred source of information for this event.
Sources ,ak, 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 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.89 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 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 ak0199gzfm70 Id of event.
Event Code 0199gzfm70 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,ak0199gzfm70, A comma-separated list of event ids that are associated to an event.

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