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Light World Earthquakes Magnitude 4-4.9

Light earthquake 4.9 mag, 7 km E of Challis, Idaho

Earthquake location 44.5039S, -114.136WA light earthquake magnitude 4.9 (mg/mb) has striked on Saturday, 7 kilometers (4 miles) from Challis in Idaho. The temblor was reported at 10:44:03 / 10:44 am (local time epicenter) at a depth of 8.2 km (5 miles). Global time of event 2015-01-03 05:44:03 UTC/GMT. A tsunami warning has not been issued, according to the U.S. Geological Survey. Exact location of event, longitude -114.136 West, latitude 44.5039 North, depth 8.2 km.

Did you feel it?

Leave a comment or report about shaking, activity and damage at your home, city and country. Read more about the earthquake, Seismometer information, Date-Time, Location, Distances, Parameters and details about this quake, recorded in: 7 km E of Challis, Idaho.

More information

Parameter Value Description
Magnitude 4.9 mb The magnitude for the event.
Longitude -114.136° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 44.5039° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 8.2 km Depth of the event in kilometers.
Place 7km E of Challis, Idaho Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2015-01-03 17:44:03 Time when the event occurred. UTC/GMT
Updated 2015-01-03 17:57:26 Time when the event was most recently updated. UTC/GMT
Timezone offset -420 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 1.5 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 369 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 usuu 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 0.112 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.96 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 34 The largest azimuthal gap between azimuthally adjacent stations (in degrees).
Magnitude Type mwr The method or algorithm used to calculate the preferred magnitude for the event.
Event Type earthquake Type of seismic event.
Event ID usc000tbfq Id of event.
Event Code c000tbfq An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS usc000tbfquu60097467 A comma-separated list of event ids that are associated to an event.


  1. B Nertney

    Felt the earthquake in Garden Valley Idaho. No damage, just a shake.

  2. Karen ruttke

    I felt it in Tamarack/Donnelly. House rumbled, no damage. Heard it & felt it.

  3. Lisa breeding

    Was on the phone with husband in Idaho city, Idaho he felt it and I’m in eagle Idaho and I felt it

  4. Cindy

    Felt this in Boise. I was in bed and thought it was the dog scratching!

  5. Leslie

    Was felt in City of Pierce

  6. Nirak

    Was felt in Salmon idaho

  7. Joan

    I felt it, it was unnerving. Several aftershocks continue, just when we start to forget about it. We are 7 miles from epicenter.

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