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Light earthquake 4 mag, 87 km SSW of Port Hardy, Canada



Earthquake location 49.957S, -127.814WA light earthquake magnitude 4 (ml/mb) strikes 87 km SSW of Port Hardy, Canada (54 miles) on Monday. Id of earthquake: at00okmf84. Event ids that are associated: at00okmf84. A tsunami warning has been issued near Port Hardy in Canada (Does not indicate if a tsunami actually did or will exist). The 4-magnitude earthquake was detected at 17:38:28 / 5:38 pm (local time epicenter). The earthquake occurred at a depth of 11 km (7 miles) below the earth’s surface. Exact time and date of event in UTC/GMT: 31/01/17 / 2017-01-31 01:38:28 / January 31, 2017 @ 1:38 am. Exact location of event, depth 11 km, -127.814° West, 49.957° North.

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

Did you feel it?

How did you react? Was there any damage to buildings? Leave a comment or report about shaking, activity and damage at your home, city and country. The information in this article comes from the USGS Earthquake Notification Service. Read more about the earthquake, Seismometer information, Distances, Parameters, Date-Time, Location and details about this quake, detected near: 87 km SSW of Port Hardy, Canada.

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More information

Parameter Value Description
Magnitude 4 mb The magnitude for the event.
Longitude -127.814° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 49.957° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 11 km Depth of the event in kilometers.
Place 87km SSW of Port Hardy, Canada Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2017-01-31 01:38:28 Time when the event occurred. UTC/GMT
Updated 2017-01-31 01:42:46 Time when the event was most recently updated. UTC/GMT
Timezone offset -480 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 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 246 A number describing how significant the event is. Larger numbers indicate a more significant event.
Network at The ID of a data contributor. Identifies the network considered to be the preferred source of information for this event.
Sources ,at, A comma-separated list of network contributors.
Number of Stations Used 20 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 0.4554458 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 1.28 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 115.199990784 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 at00okmf84 Id of event.
Event Code 00okmf84 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,at00okmf84, A comma-separated list of event ids that are associated to an event.

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