A magnitude ML 0.9 earthquake occured in region: 9 km NE Courmayeur (AO), on
and geographic coordinates (lat, lon) 45.8440, 7.0570 at 12 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 | 10 | 2104 | 4911 |
Saint-Rhémy-en-Bosses | AO | 10 | 338 | 5249 |
Pré-Saint-Didier | AO | 10 | 1050 | 6299 |
La Salle | AO | 11 | 2087 | 8386 |
Saint-Oyen | AO | 12 | 203 | 8589 |
Etroubles | AO | 14 | 501 | 9090 |
La Thuile | AO | 16 | 761 | 9851 |
Avise | AO | 16 | 305 | 10156 |
Saint-Nicolas | AO | 17 | 311 | 10467 |
Allein | AO | 17 | 229 | 10696 |
Arvier | AO | 18 | 873 | 11569 |
Villeneuve | AO | 20 | 1289 | 12858 |
Doues | AO | 20 | 510 | 13368 |
Ollomont | AO | 20 | 157 | 13525 |
Introd | AO | 20 | 658 | 14183 |
Saint-Pierre | AO | 20 | 3165 | 17348 |
Gignod | AO | 20 | 1710 | 19058 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 0.9 | 2023-09-25 12:26:24 |
45.8438 | 7.0572 | 12 | 2023-09-25 12:40:07 |
Sala Sismica INGV-Roma | 121447951 |
Field | Value |
---|---|
Time (UTC) | 2023-09-25 12:26:24 ± 0.2 |
Latitude | 45.8438 ± 0.0081 |
Longitude | 7.0572 ± 0.0155 |
Depth (km) | 12 ± 2 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 100 -> SURVEY-INGV |
Event type | earthquake |
Origin ID | 121447951 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 1042 |
Semi-minor axis of confidence ellipse (meter) | 708 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 105 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 1040.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 144 |
Number of associated phases, regardless of their use for origin computation | 15 |
Number of defining phases | 15 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.26 |
Epicentral distance of station closest to the epicenter (degree) | 0.06925 |
Epicentral distance of station farthest from the epicenter (degree) | 0.88044 |
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 | 0.9 |
Uncertainty | 0.4 |
Num. used stations | 8 |
Type of magnitude | ML |
Reference to an origin | 121447951 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2023-09-25 12:40:07 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
GU.SATI.HHZ. | 2023-09-25T12:26:42.79 | 0.6 | undecidable | manual | S | 87 | 62.7927 | 91 | -0.48 | 44 |
CH.GIMEL.HHE. | 2023-09-25T12:26:40.42 | 1.0 | undecidable | manual | P | 322 | 97.7244 | 91 | -0.11 | 22 |
GU.CIRO.HHZ. | 2023-09-25T12:26:39.30 | 0.6 | undecidable | manual | S | 124 | 47.8188 | 92 | 0.02 | 49 |
GU.LSD.HHZ. | 2023-09-25T12:26:37.49 | 0.6 | undecidable | manual | S | 172 | 43.0236 | 92 | -0.52 | 42 |
CH.MMK.HHE. | 2023-09-25T12:26:36.53 | 0.6 | undecidable | manual | P | 72 | 73.5708 | 91 | -0.29 | 45 |
CH.DIX.HHZ. | 2023-09-25T12:26:36.17 | 0.6 | undecidable | manual | S | 46 | 37.629 | 93 | -0.4 | 47 |
GU.TRAV.HHZ. | 2023-09-25T12:26:35.99 | 1.0 | undecidable | manual | P | 124 | 64.8906 | 91 | 0.52 | 21 |
GU.SATI.HHZ. | 2023-09-25T12:26:34.96 | 0.6 | undecidable | manual | P | 87 | 62.7927 | 91 | -0.19 | 46 |
GU.CIRO.HHZ. | 2023-09-25T12:26:33.27 | 0.1 | undecidable | manual | P | 124 | 47.8188 | 92 | 0.42 | 90 |
GU.LSD.HHZ. | 2023-09-25T12:26:32.31 | 0.1 | undecidable | manual | P | 172 | 43.0236 | 92 | 0.2 | 96 |
CH.DIX.HHZ. | 2023-09-25T12:26:31.36 | 0.6 | undecidable | manual | P | 46 | 37.629 | 93 | 0.08 | 48 |
GU.REMY.HNZ. | 2023-09-25T12:26:29.17 | 0.6 | undecidable | manual | S | 95 | 7.6812 | 139 | 0.19 | 51 |
IV.MRGE.HHZ. | 2023-09-25T12:26:28.64 | 0.6 | undecidable | manual | S | 178 | 8.1807 | 136 | -0.44 | 47 |
GU.REMY.HNZ. | 2023-09-25T12:26:27.14 | 0.1 | undecidable | manual | P | 95 | 7.6812 | 139 | 0.24 | 100 |
IV.MRGE.HHZ. | 2023-09-25T12:26:26.80 | 1.0 | undecidable | manual | P | 178 | 8.1807 | 136 | -0.16 | 25 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.MRGE.HHE. | ML:1.4 | 0.00033094818999999996 | 0.0832 | AML | other | m | 2023-09-25T12:26:28.78 |
CH.DIX.HHN. | ML:1.3 | 0.0000718600525 | 0.2816 | AML | other | m | 2023-09-25T12:26:36.40 |
CH.DIX.HHE. | ML:1.3 | 0.00007769002325 | 0.1664 | AML | other | m | 2023-09-25T12:26:36.80 |
GU.LSD.HHN. | ML:0.7 | 0.000013262907999999998 | 0.1024 | AML | other | m | 2023-09-25T12:26:37.56 |
GU.LSD.HHE. | ML:1.0 | 0.00003052 | 0.1216 | AML | other | m | 2023-09-25T12:26:37.56 |
GU.CIRO.HHN. | ML:0.6 | 0.000008376325 | 0.2816 | AML | other | m | 2023-09-25T12:26:39.44 |
GU.SATI.HHE. | ML:0.4 | 0.0000063043275 | 0.064 | AML | other | m | 2023-09-25T12:26:47.76 |
GU.SATI.HHN. | ML:0.4 | 0.000006411270000000001 | 0.0576 | AML | other | m | 2023-09-25T12:26:48.36 |