A magnitude ML 1.5 earthquake occured in region: 9 km NE Courmayeur (AO), on
and geographic coordinates (lat, lon) 45.8560, 7.0440 at 10 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 |
Morgex | AO | 11 | 2104 | 4911 |
Pré-Saint-Didier | AO | 11 | 1050 | 5961 |
Saint-Rhémy-en-Bosses | AO | 11 | 338 | 6299 |
La Salle | AO | 12 | 2087 | 8386 |
Saint-Oyen | AO | 14 | 203 | 8589 |
Etroubles | AO | 15 | 501 | 9090 |
La Thuile | AO | 17 | 761 | 9851 |
Avise | AO | 18 | 305 | 10156 |
Saint-Nicolas | AO | 18 | 311 | 10467 |
Allein | AO | 18 | 229 | 10696 |
Arvier | AO | 20 | 873 | 11569 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 1.5 | 2023-11-18 17:24:57 |
45.8563 | 7.0438 | 10 | 2023-11-18 17:29:55 |
Sala Sismica INGV-Roma | 123232481 |
Field | Value |
---|---|
Time (UTC) | 2023-11-18 17:24:57 ± 0.81 |
Latitude | 45.8563 ± 0.0243 |
Longitude | 7.0438 ± 0.0839 |
Depth (km) | 10 (operator assigned) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 100 -> SURVEY-INGV |
Event type | earthquake |
Origin ID | 123232481 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 6830 |
Semi-minor axis of confidence ellipse (meter) | 1650 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 289 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 6830.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 237 |
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) | 0.49 |
Epicentral distance of station closest to the epicenter (degree) | 0.33725 |
Epicentral distance of station farthest from the epicenter (degree) | 0.59895 |
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 | 1.5 |
Uncertainty | 0.1 |
Num. used stations | 2 |
Type of magnitude | ML |
Reference to an origin | 123232481 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2023-11-18 17:29:55 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
GU.LSD.HHZ. | 2023-11-18T17:25:11.52 | 0.6 | undecidable | manual | S | 171 | 44.5221 | 50 | -1.03 | 36 |
CH.DIX.HHZ. | 2023-11-18T17:25:10.11 | 0.3 | undecidable | manual | S | 48 | 37.4292 | 50 | -0.55 | 68 |
GU.TRAV.HHZ. | 2023-11-18T17:25:10.05 | 0.1 | undecidable | manual | P | 125 | 66.4779 | 50 | 0.34 | 90 |
GU.CIRO.HHZ. | 2023-11-18T17:25:07.33 | 0.1 | undecidable | manual | P | 125 | 49.4172 | 50 | 0.25 | 95 |
GU.LSD.HHZ. | 2023-11-18T17:25:06.36 | 0.1 | undecidable | manual | P | 171 | 44.5221 | 50 | 0.03 | 100 |
CH.DIX.HHZ. | 2023-11-18T17:25:05.42 | 0.1 | undecidable | manual | P | 48 | 37.4292 | 50 | 0.18 | 98 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
CH.DIX.HHN. | ML:1.5 | 0.00012309999999999998 | 1.04 | AML | other | m | 2023-11-18T17:25:10.45 |
CH.DIX.HHE. | ML:1.4 | 0.00010439999999999999 | 0.22 | AML | other | m | 2023-11-18T17:25:10.88 |