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Light earthquake, 4.6 mag was detected near Port Hardy in Canada



Earthquake location 49.775S, -128.773WA light earthquake with magnitude 4.6 (ml/mb) was detected on Wednesday, 141 km SW of Port Hardy, Canada (88 miles). Exact location, longitude -128.773° West, latitude 49.775° North, depth = 22 km. Unique identifier: at00oltcwf. Ids that are associated to the event: at00oltcwf. The temblor was reported at 21:05:03 / 9:05 pm (local time epicenter). Global time and date of event 23/02/17 / 2017-02-23 06:05:03 / February 23, 2017 @ 6:05 am UTC/GMT. The epicenter of the earthquake was roughly 22 km (14 miles) below the earth’s surface. A tsunami warning has been issued near Port Hardy in Canada (Does not indicate if a tsunami actually did or will exist).

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

How would you describe the shaking?

Were you asleep? Was it difficult to stand and/or walk? Leave a comment or report about shaking, activity and damage at your city, home and country. Read more about the earthquake, Location, Distances, Seismometer information, Date-Time, Parameters and details about this quake, reported near: 141 km SW of Port Hardy, Canada. This information comes from the USGS Earthquake Notification Service.

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More information

Parameter Value Description
Magnitude 4.6 mb The magnitude for the event.
Longitude -128.773° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 49.775° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 22 km Depth of the event in kilometers.
Place 141km SW 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 2017-02-23 06:05:03 Time when the event occurred. UTC/GMT
Updated 2017-02-23 06:11:12 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 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 326 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 77 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 1.073487 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 1.75 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 129.599989632 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 at00oltcwf Id of event.
Event Code 00oltcwf An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,at00oltcwf, A comma-separated list of event ids that are associated to an event.

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