A magnitude ML 1.1 earthquake occured in region: 10 km N Courmayeur (AO), on
and geographic coordinates (lat, lon) 45.8770, 7.0040 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 | 10 | 2807 | 2807 |
Pré-Saint-Didier | AO | 13 | 1050 | 3857 |
Morgex | AO | 14 | 2104 | 5961 |
Saint-Rhémy-en-Bosses | AO | 15 | 338 | 6299 |
La Salle | AO | 15 | 2087 | 8386 |
Saint-Oyen | AO | 17 | 203 | 8589 |
La Thuile | AO | 18 | 761 | 9350 |
Etroubles | AO | 19 | 501 | 9851 |
No Italian municipalities within 100 km from the epicenter with at least 50000 inhabitants.
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 1.1 | 2023-10-17 12:41:38 |
45.8772 | 7.0043 | 10 | 2023-10-17 12:48:35 |
Sala Sismica INGV-Roma | 122150291 |
Field | Value |
---|---|
Time (UTC) | 2023-10-17 12:41:38 ± 0.44 |
Latitude | 45.8772 ± 0.0162 |
Longitude | 7.0043 ± 0.0323 |
Depth (km) | 10 ± 1 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 100 -> SURVEY-INGV |
Event type | earthquake |
Origin ID | 122150291 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 2893 |
Semi-minor axis of confidence ellipse (meter) | 1087 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 123 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 2890.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 246 |
Number of associated phases, regardless of their use for origin computation | 11 |
Number of defining phases | 11 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.32 |
Epicentral distance of station closest to the epicenter (degree) | 0.11331 |
Epicentral distance of station farthest from the epicenter (degree) | 0.68888 |
Number of stations at which the event was observed | 8 |
Number of stations from which data was used for origin computation | 8 |
Field | Value |
---|---|
Value | 1.1 |
Uncertainty | 0.4 |
Num. used stations | 9 |
Type of magnitude | ML |
Reference to an origin | 122150291 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2023-10-17 12:48:35 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
CH.MMK.HHE. | 2023-10-17T12:41:52.32 | 0.6 | undecidable | manual | P | 75 | 76.4679 | 50 | 0.26 | 43 |
GU.TRAV.HHZ. | 2023-10-17T12:41:51.49 | 0.1 | undecidable | manual | P | 125 | 70.2741 | 50 | 0.37 | 84 |
CH.DIX.HHZ. | 2023-10-17T12:41:51.05 | 0.3 | undecidable | manual | S | 54 | 38.4282 | 50 | -0.64 | 62 |
GU.SATI.HHE. | 2023-10-17T12:41:50.28 | 0.6 | undecidable | manual | P | 90 | 66.7776 | 50 | -0.29 | 43 |
GU.CIRO.HHZ. | 2023-10-17T12:41:48.63 | 0.3 | undecidable | manual | P | 125 | 53.3022 | 50 | 0.14 | 68 |
GU.LSD.HHZ. | 2023-10-17T12:41:47.55 | 0.1 | undecidable | manual | P | 168 | 47.4192 | 50 | -0.03 | 94 |
CH.DIX.HHZ. | 2023-10-17T12:41:46.28 | 0.1 | undecidable | manual | P | 54 | 38.4282 | 50 | 0.08 | 95 |
GU.REMY.HHE. | 2023-10-17T12:41:44.34 | 0.3 | undecidable | manual | S | 110 | 12.5763 | 128 | 0.12 | 74 |
IV.MRGE.HHZ. | 2023-10-17T12:41:43.84 | 0.1 | undecidable | manual | S | 160 | 12.6762 | 128 | -0.42 | 92 |
GU.REMY.HHE. | 2023-10-17T12:41:42.21 | 0.1 | undecidable | manual | P | 110 | 12.5763 | 128 | 0.32 | 94 |
IV.MRGE.HHZ. | 2023-10-17T12:41:41.87 | 0.1 | undecidable | manual | P | 160 | 12.6762 | 128 | -0.04 | 100 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.MRGE.HHE. | ML:1.7 | 0.0005717503 | 0.1408 | AML | other | m | 2023-10-17T12:41:43.99 |
IV.MRGE.HHN. | ML:1.6 | 0.00039819409999999997 | 0.1344 | AML | other | m | 2023-10-17T12:41:44.12 |
CH.DIX.HHE. | ML:1.4 | 0.00010080124 | 0.1216 | AML | other | m | 2023-10-17T12:41:51.64 |
CH.DIX.HHN. | ML:1.3 | 0.00007867569999999998 | 0.2048 | AML | other | m | 2023-10-17T12:41:52.04 |
GU.LSD.HHE. | ML:1.1 | 0.000037437065000000005 | 0.096 | AML | other | m | 2023-10-17T12:41:53.34 |
GU.LSD.HHN. | ML:0.8 | 0.000019028185 | 0.2624 | AML | other | m | 2023-10-17T12:41:53.67 |
GU.CIRO.HHE. | ML:0.3 | 0.0000070254435 | 0.1024 | AML | other | m | 2023-10-17T12:41:59.77 |
GU.CIRO.HHN. | ML:0.6 | 0.000008811847000000001 | 0.1792 | AML | other | m | 2023-10-17T12:41:55.32 |
GU.TRAV.HHE. | ML:1.0 | 0.000015602045 | 0.1792 | AML | other | m | 2023-10-17T12:42:03.19 |