A magnitude ML 1.2 earthquake occured in region: 7 km NE Courmayeur (AO), on
and geographic coordinates (lat, lon) 45.8420, 7.0250 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 | 7 | 2807 | 2807 |
Pré-Saint-Didier | AO | 9 | 1050 | 3857 |
Morgex | AO | 9 | 2104 | 5961 |
La Salle | AO | 11 | 2087 | 8048 |
Saint-Rhémy-en-Bosses | AO | 12 | 338 | 8386 |
Saint-Oyen | AO | 15 | 203 | 8589 |
La Thuile | AO | 15 | 761 | 9350 |
Etroubles | AO | 16 | 501 | 9851 |
Avise | AO | 17 | 305 | 10156 |
Saint-Nicolas | AO | 18 | 311 | 10467 |
Arvier | AO | 19 | 873 | 11340 |
Allein | AO | 20 | 229 | 11569 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 1.2 | 2023-10-11 18:17:23 |
45.8417 | 7.0247 | 11 | 2023-10-11 18:27:20 |
Sala Sismica INGV-Roma | 121990301 |
Field | Value |
---|---|
Time (UTC) | 2023-10-11 18:17:23 ± 0.17 |
Latitude | 45.8417 ± 0.0072 |
Longitude | 7.0247 ± 0.0142 |
Depth (km) | 11 ± 1 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 100 -> SURVEY-INGV |
Event type | earthquake |
Origin ID | 121990301 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 1079 |
Semi-minor axis of confidence ellipse (meter) | 711 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 287 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 1080.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 154 |
Number of associated phases, regardless of their use for origin computation | 16 |
Number of defining phases | 16 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.27 |
Epicentral distance of station closest to the epicenter (degree) | 0.07644 |
Epicentral distance of station farthest from the epicenter (degree) | 0.86874 |
Number of stations at which the event was observed | 9 |
Number of stations from which data was used for origin computation | 9 |
Field | Value |
---|---|
Value | 1.2 |
Uncertainty | 0.2 |
Num. used stations | 7 |
Type of magnitude | ML |
Reference to an origin | 121990301 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2023-10-11 18:27:20 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
GU.TRAV.HHZ. | 2023-10-11T18:17:44.00 | 0.6 | undecidable | manual | S | 123 | 66.7776 | 50 | -0.06 | 46 |
GU.SATI.HHE. | 2023-10-11T18:17:43.68 | 0.3 | undecidable | manual | S | 86 | 65.2902 | 50 | 0.02 | 69 |
CH.GIMEL.HHZ. | 2023-10-11T18:17:40.24 | 0.6 | negative | manual | P | 323 | 96.4257 | 50 | 0.22 | 42 |
GU.CIRO.HHZ. | 2023-10-11T18:17:39.52 | 0.6 | undecidable | manual | S | 122 | 49.8168 | 50 | 0 | 48 |
GU.RSP.HHE. | 2023-10-11T18:17:37.99 | 0.6 | undecidable | manual | P | 166 | 79.1652 | 50 | 0.63 | 39 |
GU.LSD.HHZ. | 2023-10-11T18:17:37.31 | 0.3 | undecidable | manual | S | 169 | 43.2234 | 50 | -0.46 | 66 |
CH.DIX.HHZ. | 2023-10-11T18:17:36.35 | 0.3 | undecidable | manual | S | 48 | 39.627 | 50 | -0.47 | 66 |
GU.TRAV.HHZ. | 2023-10-11T18:17:36.03 | 0.3 | negative | manual | P | 123 | 66.7776 | 50 | 0.57 | 61 |
GU.SATI.HHE. | 2023-10-11T18:17:35.19 | 0.3 | undecidable | manual | P | 86 | 65.2902 | 50 | -0.04 | 69 |
GU.CIRO.HHZ. | 2023-10-11T18:17:33.31 | 0.6 | negative | manual | P | 122 | 49.8168 | 50 | 0.47 | 43 |
CH.DIX.HHZ. | 2023-10-11T18:17:31.14 | 0.1 | undecidable | manual | P | 48 | 39.627 | 50 | -0.14 | 94 |
GU.LSD.HHZ. | 2023-10-11T18:17:31.95 | 0.6 | negative | manual | P | 169 | 43.2234 | 50 | 0.13 | 47 |
GU.REMY.HHE. | 2023-10-11T18:17:29.07 | 0.3 | undecidable | manual | S | 92 | 10.1787 | 137 | 0.21 | 73 |
IV.MRGE.HHE. | 2023-10-11T18:17:28.12 | 0.3 | undecidable | manual | S | 161 | 8.4804 | 142 | -0.35 | 72 |
IV.MRGE.HHE. | 2023-10-11T18:17:26.29 | 0.1 | undecidable | manual | P | 161 | 8.4804 | 142 | -0.17 | 99 |
GU.REMY.HHE. | 2023-10-11T18:17:26.79 | 0.1 | undecidable | manual | P | 92 | 10.1787 | 137 | 0.1 | 100 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
GU.LSD.HHN. | ML:1.4 | 0.00006775000000000001 | 0.08 | AML | other | m | 2023-10-11T18:17:37.44 |
GU.LSD.HHE. | ML:1.6 | 0.00010765 | 0.16 | AML | other | m | 2023-10-11T18:17:37.44 |
CH.DIX.HHE. | ML:1.3 | 0.00006429316 | 0.256 | AML | other | m | 2023-10-11T18:17:38.46 |
CH.DIX.HHN. | ML:1.1 | 0.000046520995 | 0.128 | AML | other | m | 2023-10-11T18:17:37.85 |
GU.CIRO.HHN. | ML:1.1 | 0.00002773901 | 0.1408 | AML | other | m | 2023-10-11T18:17:40.27 |
GU.TRAV.HHE. | ML:1.0 | 0.00002031567 | 0.1024 | AML | other | m | 2023-10-11T18:17:45.45 |
GU.TRAV.HHN. | ML:1.3 | 0.000032877685 | 0.1024 | AML | other | m | 2023-10-11T18:17:45.18 |