A magnitude ML 1.6 earthquake occured in region: 9 km NE Courmayeur (AO), on
and geographic coordinates (lat, lon) 45.8400, 7.0660 at 11 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 | 9 | 2807 | 2807 |
Saint-Rhémy-en-Bosses | AO | 9 | 338 | 3145 |
Morgex | AO | 9 | 2104 | 5249 |
La Salle | AO | 10 | 2087 | 7336 |
Pré-Saint-Didier | AO | 10 | 1050 | 8386 |
Saint-Oyen | AO | 12 | 203 | 8589 |
Etroubles | AO | 13 | 501 | 9090 |
Avise | AO | 16 | 305 | 9395 |
Saint-Nicolas | AO | 16 | 311 | 9706 |
Allein | AO | 16 | 229 | 9935 |
La Thuile | AO | 16 | 761 | 10696 |
Arvier | AO | 17 | 873 | 11569 |
Villeneuve | AO | 19 | 1289 | 12858 |
Doues | AO | 19 | 510 | 13368 |
Introd | AO | 19 | 658 | 14026 |
Saint-Pierre | AO | 19 | 3165 | 17191 |
Ollomont | AO | 19 | 157 | 17348 |
Gignod | AO | 19 | 1710 | 19058 |
Roisan | AO | 20 | 1036 | 20094 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 1.6 | 2023-10-13 17:34:21 |
45.8395 | 7.0665 | 11 | 2023-10-13 17:42:19 |
Sala Sismica INGV-Roma | 122055271 |
Field | Value |
---|---|
Time (UTC) | 2023-10-13 17:34:21 ± 0.13 |
Latitude | 45.8395 ± 0.0072 |
Longitude | 7.0665 ± 0.0077 |
Depth (km) | 11 ± 0 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 100 -> SURVEY-INGV |
Event type | earthquake |
Origin ID | 122055271 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 810 |
Semi-minor axis of confidence ellipse (meter) | 579 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 187 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 810.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 182 |
Number of associated phases, regardless of their use for origin computation | 17 |
Number of defining phases | 17 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.34 |
Epicentral distance of station closest to the epicenter (degree) | 0.06295 |
Epicentral distance of station farthest from the epicenter (degree) | 1.24106 |
Number of stations at which the event was observed | 12 |
Number of stations from which data was used for origin computation | 12 |
Field | Value |
---|---|
Value | 1.6 |
Uncertainty | 0.4 |
Num. used stations | 6 |
Type of magnitude | ML |
Reference to an origin | 122055271 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2023-10-13 17:42:19 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
RD.ORIF.BHE. | 2023-10-13T17:34:44.51 | 0.6 | undecidable | manual | P | 223 | 137.7621 | 90 | 0.5 | 37 |
GU.BHB.HHZ. | 2023-10-13T17:34:40.69 | 0.1 | undecidable | manual | P | 172 | 112.3986 | 90 | 0.59 | 77 |
GU.RRL.HHE. | 2023-10-13T17:34:39.07 | 0.3 | undecidable | manual | P | 192 | 104.118 | 90 | 0.25 | 64 |
GU.CIRO.HHZ. | 2023-10-13T17:34:36.32 | 0.1 | undecidable | manual | S | 124 | 46.9197 | 90 | -0.02 | 97 |
GU.RSP.HHE. | 2023-10-13T17:34:34.97 | 0.6 | undecidable | manual | P | 169 | 78.2661 | 90 | 0.14 | 46 |
GU.LSD.HHZ. | 2023-10-13T17:34:34.57 | 0.1 | undecidable | manual | S | 173 | 42.4242 | 90 | -0.58 | 83 |
CH.DIX.HHZ. | 2023-10-13T17:34:33.12 | 0.3 | undecidable | manual | S | 45 | 37.5291 | 90 | -0.7 | 64 |
GU.TRAV.HHZ. | 2023-10-13T17:34:33.07 | 0.1 | undecidable | manual | P | 124 | 63.9915 | 90 | 0.44 | 88 |
CH.MMK.HHE. | 2023-10-13T17:34:33.84 | 0.6 | undecidable | manual | P | 71 | 73.0713 | 90 | -0.2 | 45 |
GU.SATI.HHZ. | 2023-10-13T17:34:32.32 | 0.6 | undecidable | manual | P | 86 | 62.0934 | 90 | -0.02 | 48 |
GU.CIRO.HHZ. | 2023-10-13T17:34:30.31 | 0.1 | undecidable | manual | P | 124 | 46.9197 | 90 | 0.3 | 93 |
GU.LSD.HHZ. | 2023-10-13T17:34:29.32 | 0.6 | positive | manual | P | 173 | 42.4242 | 90 | 0 | 49 |
CH.DIX.HHZ. | 2023-10-13T17:34:28.31 | 0.1 | undecidable | manual | P | 45 | 37.5291 | 90 | -0.25 | 96 |
GU.REMY.HHZ. | 2023-10-13T17:34:26.16 | 0.3 | undecidable | manual | S | 92 | 6.993 | 137 | 0.25 | 75 |
IV.MRGE.HHZ. | 2023-10-13T17:34:25.68 | 0.1 | undecidable | manual | S | 183 | 7.7811 | 132 | -0.38 | 95 |
GU.REMY.HHZ. | 2023-10-13T17:34:24.26 | 0.1 | undecidable | manual | P | 92 | 6.993 | 137 | 0.28 | 100 |
IV.MRGE.HHZ. | 2023-10-13T17:34:23.87 | 0.1 | undecidable | manual | P | 183 | 7.7811 | 132 | -0.2 | 100 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
CH.DIX.HHN. | ML:2.1 | 0.0004289999999999999 | 1.02 | AML | other | m | 2023-10-13T17:34:33.48 |
CH.DIX.HHE. | ML:2.1 | 0.0004375 | 0.18 | AML | other | m | 2023-10-13T17:34:33.80 |
GU.LSD.HHE. | ML:1.8 | 0.00018099999999999998 | 0.1 | AML | other | m | 2023-10-13T17:34:34.65 |
GU.LSD.HHN. | ML:1.4 | 0.00007445000000000001 | 0.1 | AML | other | m | 2023-10-13T17:34:34.65 |
GU.CIRO.HHN. | ML:1.2 | 0.00004685 | 0.22 | AML | other | m | 2023-10-13T17:34:36.50 |
GU.CIRO.HHE. | ML:1.0 | 0.00003225 | 0.84 | AML | other | m | 2023-10-13T17:34:36.51 |