A magnitude ML 1.3 earthquake occured in region: 9 km NE Courmayeur (AO), on
and geographic coordinates (lat, lon) 45.8450, 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 | 17 | 305 | 10156 |
Saint-Nicolas | AO | 17 | 311 | 10467 |
Allein | AO | 17 | 229 | 10696 |
Arvier | AO | 18 | 873 | 11569 |
Doues | AO | 20 | 510 | 12079 |
Villeneuve | AO | 20 | 1289 | 13368 |
Ollomont | AO | 20 | 157 | 13525 |
Introd | AO | 20 | 658 | 14183 |
Saint-Pierre | AO | 20 | 3165 | 17348 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 1.3 | 2023-09-28 06:52:54 |
45.8452 | 7.0567 | 12 | 2023-09-28 07:01:32 |
Sala Sismica INGV-Roma | 121533181 |
Field | Value |
---|---|
Time (UTC) | 2023-09-28 06:52:54 ± 0.13 |
Latitude | 45.8452 ± 0.0054 |
Longitude | 7.0567 ± 0.0103 |
Depth (km) | 12 ± 1 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 100 -> SURVEY-INGV |
Event type | earthquake |
Origin ID | 121533181 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 758 |
Semi-minor axis of confidence ellipse (meter) | 214 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 91 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 760.0 |
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 | 19 |
Number of defining phases | 19 |
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) | 0.07015 |
Epicentral distance of station farthest from the epicenter (degree) | 0.87954 |
Number of stations at which the event was observed | 10 |
Number of stations from which data was used for origin computation | 10 |
Field | Value |
---|---|
Value | 1.3 |
Uncertainty | 0.4 |
Num. used stations | 10 |
Type of magnitude | ML |
Reference to an origin | 121533181 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2023-09-28 07:01:32 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
CH.GIMEL.HHE. | 2023-09-28T06:53:22.20 | 0.6 | undecidable | manual | S | 322 | 97.6245 | 90 | -0.35 | 40 |
GU.RSP.HHE. | 2023-09-28T06:53:17.48 | 0.6 | undecidable | manual | S | 168 | 78.9654 | 91 | -0.11 | 45 |
CH.MMK.HHE. | 2023-09-28T06:53:15.77 | 0.6 | undecidable | manual | S | 72 | 73.5708 | 91 | -0.38 | 42 |
GU.TRAV.HHZ. | 2023-09-28T06:53:13.52 | 0.6 | undecidable | manual | S | 124 | 64.9905 | 91 | -0.32 | 44 |
CH.GIMEL.HHE. | 2023-09-28T06:53:10.93 | 0.6 | undecidable | manual | P | 322 | 97.6245 | 90 | 0.43 | 41 |
GU.CIRO.HHZ. | 2023-09-28T06:53:09.16 | 0.3 | undecidable | manual | S | 124 | 47.9187 | 91 | -0.14 | 71 |
GU.RSP.HHE. | 2023-09-28T06:53:08.17 | 0.3 | undecidable | manual | P | 168 | 78.9654 | 91 | 0.53 | 61 |
GU.LSD.HHZ. | 2023-09-28T06:53:07.42 | 0.3 | undecidable | manual | S | 172 | 43.2234 | 91 | -0.61 | 63 |
CH.MMK.HHE. | 2023-09-28T06:53:07.07 | 0.6 | undecidable | manual | P | 72 | 73.5708 | 91 | 0.26 | 44 |
CH.DIX.HHZ. | 2023-09-28T06:53:06.05 | 0.3 | undecidable | manual | S | 46 | 37.629 | 91 | -0.49 | 66 |
GU.SATI.HHZ. | 2023-09-28T06:53:05.06 | 0.3 | undecidable | manual | P | 87 | 62.7927 | 91 | -0.08 | 69 |
GU.TRAV.HHZ. | 2023-09-28T06:53:05.97 | 0.1 | positive | manual | P | 124 | 64.9905 | 91 | 0.5 | 84 |
GU.CIRO.HHZ. | 2023-09-28T06:53:03.20 | 0.1 | undecidable | manual | P | 124 | 47.9187 | 91 | 0.35 | 90 |
GU.LSD.HHZ. | 2023-09-28T06:53:02.20 | 0.1 | undecidable | manual | P | 172 | 43.2234 | 91 | 0.08 | 96 |
CH.DIX.HHZ. | 2023-09-28T06:53:01.27 | 0.1 | undecidable | manual | P | 46 | 37.629 | 91 | 0.01 | 98 |
GU.REMY.HHE. | 2023-09-28T06:52:59.00 | 0.3 | undecidable | manual | S | 96 | 7.7811 | 135 | 0.16 | 75 |
IV.MRGE.HHZ. | 2023-09-28T06:52:58.55 | 0.3 | undecidable | manual | S | 178 | 8.3805 | 132 | -0.41 | 72 |
GU.REMY.HHE. | 2023-09-28T06:52:57.09 | 0.1 | undecidable | manual | P | 96 | 7.7811 | 135 | 0.27 | 98 |
IV.MRGE.HHZ. | 2023-09-28T06:52:56.71 | 0.1 | undecidable | manual | P | 178 | 8.3805 | 132 | -0.17 | 100 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.MRGE.HHE. | ML:2.0 | 0.001295 | 0.22 | AML | other | m | 2023-09-28T06:52:58.72 |
IV.MRGE.HHN. | ML:1.7 | 0.0006435 | 0.16 | AML | other | m | 2023-09-28T06:52:58.70 |
CH.DIX.HHN. | ML:1.8 | 0.0002415 | 1 | AML | other | m | 2023-09-28T06:53:06.34 |
CH.DIX.HHE. | ML:1.8 | 0.0002405 | 0.16 | AML | other | m | 2023-09-28T06:53:06.66 |
GU.LSD.HHN. | ML:1.1 | 0.000037900000000000006 | 0.48 | AML | other | m | 2023-09-28T06:53:07.48 |
GU.LSD.HHE. | ML:1.4 | 0.000077 | 0.1 | AML | other | m | 2023-09-28T06:53:07.48 |
GU.CIRO.HHE. | ML:0.7 | 0.00001718714 | 0.24 | AML | other | m | 2023-09-28T06:53:09.36 |
GU.CIRO.HHN. | ML:1.0 | 0.000029623734999999998 | 0.2592 | AML | other | m | 2023-09-28T06:53:09.37 |
GU.TRAV.HHE. | ML:0.9 | 0.0000166713125 | 1.2192 | AML | other | m | 2023-09-28T06:53:18.15 |
GU.TRAV.HHN. | ML:1.1 | 0.000024219475 | 0.2016 | AML | other | m | 2023-09-28T06:53:14.43 |