A magnitude ML 1.2 earthquake occured in region: 6 km NE Courmayeur (AO), on
and geographic coordinates (lat, lon) 45.8400, 7.0230 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 | 6 | 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 | 13 | 338 | 8386 |
La Thuile | AO | 15 | 761 | 9147 |
Saint-Oyen | AO | 15 | 203 | 9350 |
Etroubles | AO | 17 | 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 10:43:05 |
45.8397 | 7.0233 | 11 | 2023-10-11 10:55:18 |
Sala Sismica INGV-Roma | 121983091 |
Field | Value |
---|---|
Time (UTC) | 2023-10-11 10:43:05 ± 0.14 |
Latitude | 45.8397 ± 0.0072 |
Longitude | 7.0233 ± 0.0129 |
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 | 121983091 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 985 |
Semi-minor axis of confidence ellipse (meter) | 758 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 246 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 980.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 155 |
Number of associated phases, regardless of their use for origin computation | 14 |
Number of defining phases | 14 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.3 |
Epicentral distance of station closest to the epicenter (degree) | 0.07464 |
Epicentral distance of station farthest from the epicenter (degree) | 0.86964 |
Number of stations at which the event was observed | 7 |
Number of stations from which data was used for origin computation | 7 |
Field | Value |
---|---|
Value | 1.2 |
Uncertainty | 0.4 |
Num. used stations | 7 |
Type of magnitude | ML |
Reference to an origin | 121983091 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2023-10-11 10:55:18 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
CH.GIMEL.HHE. | 2023-10-11T10:43:33.71 | 0.6 | undecidable | manual | S | 323 | 96.5256 | 50 | 0.06 | 43 |
GU.SATI.HHE. | 2023-10-11T10:43:25.27 | 1.0 | undecidable | manual | S | 86 | 65.3901 | 50 | -0.08 | 23 |
GU.CIRO.HHZ. | 2023-10-11T10:43:21.42 | 0.3 | undecidable | manual | S | 122 | 49.7169 | 50 | 0.25 | 68 |
CH.GIMEL.HHE. | 2023-10-11T10:43:21.87 | 0.1 | undecidable | manual | P | 323 | 96.5256 | 50 | 0.16 | 85 |
GU.LSD.HHZ. | 2023-10-11T10:43:18.87 | 0.6 | undecidable | manual | S | 168 | 43.0236 | 50 | -0.5 | 44 |
CH.DIX.HHZ. | 2023-10-11T10:43:17.90 | 0.1 | undecidable | manual | S | 48 | 39.9267 | 50 | -0.64 | 83 |
GU.SATI.HHE. | 2023-10-11T10:43:17.56 | 0.6 | undecidable | manual | P | 86 | 65.3901 | 50 | 0.64 | 40 |
GU.CIRO.HHZ. | 2023-10-11T10:43:14.94 | 0.1 | undecidable | manual | P | 122 | 49.7169 | 50 | 0.44 | 88 |
GU.LSD.HHZ. | 2023-10-11T10:43:13.34 | 0.3 | undecidable | manual | P | 168 | 43.0236 | 50 | -0.13 | 71 |
CH.DIX.HHZ. | 2023-10-11T10:43:12.96 | 0.6 | undecidable | manual | P | 48 | 39.9267 | 50 | -0.03 | 49 |
GU.REMY.HHE. | 2023-10-11T10:43:10.76 | 0.6 | undecidable | manual | S | 91 | 10.2786 | 137 | 0.14 | 50 |
IV.MRGE.HHZ. | 2023-10-11T10:43:09.91 | 0.1 | undecidable | manual | S | 159 | 8.2806 | 143 | -0.26 | 98 |
IV.MRGE.HHZ. | 2023-10-11T10:43:08.07 | 0.3 | undecidable | manual | P | 159 | 8.2806 | 143 | -0.08 | 76 |
GU.REMY.HHE. | 2023-10-11T10:43:08.56 | 0.1 | undecidable | manual | P | 91 | 10.2786 | 137 | 0.14 | 100 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.MRGE.HHN. | ML:1.8 | 0.0007889999999999999 | 0.2 | AML | other | m | 2023-10-11T10:43:10.19 |
IV.MRGE.HHE. | ML:1.5 | 0.0003975 | 0.08 | AML | other | m | 2023-10-11T10:43:10.12 |
CH.DIX.HHE. | ML:1.4 | 0.00007823024 | 0.2496 | AML | other | m | 2023-10-11T10:43:18.21 |
CH.DIX.HHN. | ML:1.4 | 0.00008456963 | 0.352 | AML | other | m | 2023-10-11T10:43:18.37 |
GU.LSD.HHE. | ML:1.0 | 0.00003152308 | 0.2048 | AML | other | m | 2023-10-11T10:43:19.32 |
GU.LSD.HHN. | ML:0.7 | 0.00001368093 | 0.2368 | AML | other | m | 2023-10-11T10:43:13.74 |
GU.CIRO.HHE. | ML:0.6 | 0.00001001475 | 0.1152 | AML | other | m | 2023-10-11T10:43:22.24 |