An earthquake with magnitude 2.8 mg has occurred in 47 km ESE of Semisopochnoi Island, Alaska. Time of event: Thursday 20th January @ 7:43 pm. Location of event: -179.7477S, 51.7998W, depth=87.6 km. Read more about the earthquake, Seismometer information, Date-Time, Location, Distances, Parameters and details about quake recorded in: 47 km ESE of Semisopochnoi Island, Alaska. Did you feel it? Leave a comment or report about shaking, activity and damage at your home, city and country.
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| Parameter | Value | Description |
|---|---|---|
| Magnitude | 2.8 mb | The magnitude for the event. |
| Longitude | -179.7477° West | Decimal degrees longitude. Negative values for western longitudes. |
| Latitude | 51.7998° North | Decimal degrees latitude. Negative values for southern latitudes. |
| Depth | 87.6 km | Depth of the event in kilometers. |
| Place | 47km ESE 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 | 2014-02-23 17:53:59 | Time when the event occurred. UTC/GMT |
| Updated | 2014-02-23 19:26:03 | Time when the event was most recently updated. UTC/GMT |
| Timezone offset | -720 | Timezone offset from UTC in minutes at the event epicenter. |
| Felt | 0 | The total number of felt reports |
| CDI | 1 | 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 | 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 | 6 | The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake. |
| Horizontal Distance | 0.6171426 | Horizontal distance from the epicenter to the nearest station (in degrees). |
| Root Mean Square | 0.19 sec | The root-mean-square (RMS) travel time residual, in sec, using all weights. |
| Azimuthal Gap | 349.199972064 | 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 | ak11169481 | Id of event. |
| Event Code | 11169481 | An identifying code assigned by, and unique from, the corresponding source for the event. |
| Event IDS | ak11169481 | A comma-separated list of event ids that are associated to an event. |
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