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Light earthquake 4 mag, 60 km WSW of Haines, Alaska

Posted by admin on August 18, 2017 0 Comments

Earthquake location 58.9911S, -136.3938WA light earthquake magnitude 4 (ml/mb) has struck on Thursday, 60 km WSW of Haines, Alaska (37 miles). A tsunami warning has been issued near Haines in Alaska (Does not indicate if a tsunami actually did or will exist). The earthquake occurred at a depth of 3.8 km (2 miles) below the earth’s surface. Event ids that are associated to the earthquake: at00ouv6ib, ak16550557, us2000a99n. Id of event: us2000a99n. Exact time and date of event in UTC/GMT: 18/08/17 / 2017-08-18 04:44:36 / August 18, 2017 @ 4:44 am. Exact location of event, longitude -136.3938 West, latitude 58.9911 North, depth = 3.8 km. The 4-magnitude earthquake has occurred at 19:44:36 / 7:44 pm (local time epicenter).

In the past 24 hours, there have been three, in the last 10 days three, in the past 30 days ten and in the last 365 days two hundred and fourty-one earthquakes of magnitude 3.0 or greater that have been detected nearby. Each year there are an estimated 13,000 light earthquakes in the world. Earthquakes 4.0 to 5.0 are often felt, but only causes minor damage.

Did you feel it?

What was your situation during the earthquake? Leave a comment or report about damage, shaking and activity at your home, city and country. Read more about the earthquake, Location, Distances, Seismometer information, Date-Time, Parameters and details about this quake, reported near: 60 km WSW of Haines, Alaska. This information comes from the USGS Earthquake Notification Service.

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More information

Parameter Value Description
Magnitude 4 mb The magnitude for the event.
Longitude -136.3938° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 58.9911° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 3.8 km Depth of the event in kilometers.
Place 60km WSW of Haines, Alaska Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2017-08-18 04:44:36 Time when the event occurred. UTC/GMT
Updated 2017-08-18 21:41:05 Time when the event was most recently updated. UTC/GMT
Timezone offset -540 Timezone offset from UTC in minutes at the event epicenter.
Felt 138 The total number of felt reports
CDI 3.6 The maximum reported intensity for the event.
MMI 4.03 The maximum estimated instrumental intensity for the event.
Alert Level green 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 1 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 296 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 ,at,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 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.69 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 mb The method or algorithm used to calculate the preferred magnitude for the event.
Event Type earthquake Type of seismic event.
Event ID us2000a99n Id of event.
Event Code 2000a99n An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,at00ouv6ib,ak16550557,us2000a99n, A comma-separated list of event ids that are associated to an event.

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