A magnitude ML 1.1 earthquake occured in region: 4 km N Courmayeur (AO), on
and geographic coordinates (lat, lon) 45.8290, 6.9760 at 9 km depth.
The earthquake was located by: Sala Sismica INGV-Roma.
Search earthquakes: Any within 30 km radius
The values of hypocentral coordinates and magnitude may be revised at a later time as more information becomes available.
Municipality | Region | Distance (km) | Inhabitants | Cumulative Inhabitants |
---|---|---|---|---|
Courmayeur | AO | 4 | 2807 | 2807 |
Pré-Saint-Didier | AO | 7 | 1050 | 3857 |
Morgex | AO | 9 | 2104 | 5961 |
La Salle | AO | 12 | 2087 | 8048 |
La Thuile | AO | 13 | 761 | 8809 |
Saint-Rhémy-en-Bosses | AO | 16 | 338 | 9147 |
Saint-Oyen | AO | 18 | 203 | 9350 |
Avise | AO | 19 | 305 | 9655 |
Saint-Nicolas | AO | 19 | 311 | 9966 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 1.1 | 2020-01-24 03:03:16 |
45.8288 | 6.9757 | 9 | 2020-01-24 04:33:36 |
Sala Sismica INGV-Roma | 75784801 |
Field | Value |
---|---|
Time (UTC) | 2020-01-24 03:03:16 ± 0.06 |
Latitude | 45.8288 ± 0.0081 |
Longitude | 6.9757 ± 0.0103 |
Depth (km) | 9 ± 0 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 100 -> SURVEY-INGV |
Event type | earthquake |
Origin ID | 75784801 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 1160 |
Semi-minor axis of confidence ellipse (meter) | 259 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 39 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 1160.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 181 |
Number of associated phases, regardless of their use for origin computation | 6 |
Number of defining phases | 6 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.06 |
Epicentral distance of station closest to the epicenter (degree) | 0.03327 |
Epicentral distance of station farthest from the epicenter (degree) | 0.47124 |
Number of stations at which the event was observed | 4 |
Number of stations from which data was used for origin computation | 4 |
Field | Value |
---|---|
Value | 1.1 |
Uncertainty | 0.1 |
Num. used stations | 2 |
Type of magnitude | ML |
Reference to an origin | 75784801 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2020-01-24 04:33:36 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
GU.CIRO.HHZ. | 2020-01-24T03:03:25.91 | 0.6 | positive | manual | P | 119 | 52.3032 | 50 | -0.03 | 46 |
GU.LSD.HHZ. | 2020-01-24T03:03:24.46 | 0.6 | positive | manual | P | 163 | 42.7239 | 50 | -0.01 | 47 |
IV.MRGE.HHZ. | 2020-01-24T03:03:20.55 | 0.6 | undecidable | manual | S | 135 | 9.2796 | 133 | 0.02 | 50 |
GU.BLANC.HHZ. | 2020-01-24T03:03:19.29 | 0.6 | undecidable | manual | S | 298 | 3.6963 | 157 | -0.09 | 50 |
GU.BLANC.HHZ. | 2020-01-24T03:03:18.07 | 0.1 | positive | manual | P | 298 | 3.6963 | 157 | 0.06 | 100 |
IV.MRGE.HHZ. | 2020-01-24T03:03:18.66 | 0.6 | undecidable | manual | P | 135 | 9.2796 | 133 | -0.01 | 50 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.MRGE.HHE. | ML:1.1 | 0.00020150000000000002 | 0.36 | AML | other | m | 2020-01-24T03:03:20.60 |
IV.MRGE.HHN. | ML:1.0 | 0.000136 | 0.06 | AML | other | m | 2020-01-24T03:03:20.68 |