A magnitude ML 0.7 earthquake occured in region: 7 km NE Courmayeur (AO), on
and geographic coordinates (lat, lon) 45.8430, 7.0370 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 | 7 | 2807 | 2807 |
Pré-Saint-Didier | AO | 10 | 1050 | 3857 |
Morgex | AO | 10 | 2104 | 5961 |
La Salle | AO | 11 | 2087 | 8048 |
Saint-Rhémy-en-Bosses | AO | 12 | 338 | 8386 |
Saint-Oyen | AO | 14 | 203 | 8589 |
Etroubles | AO | 15 | 501 | 9090 |
La Thuile | AO | 16 | 761 | 9851 |
Avise | AO | 17 | 305 | 10156 |
Saint-Nicolas | AO | 17 | 311 | 10467 |
Allein | AO | 19 | 229 | 10696 |
Arvier | AO | 19 | 873 | 11569 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 0.7 | 2023-09-26 05:35:21 |
45.8432 | 7.0373 | 12 | 2023-09-26 05:40:37 |
Sala Sismica INGV-Roma | 121468421 |
Field | Value |
---|---|
Time (UTC) | 2023-09-26 05:35:21 ± 0.33 |
Latitude | 45.8432 ± 0.0162 |
Longitude | 7.0373 ± 0.0336 |
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 | 121468421 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 2998 |
Semi-minor axis of confidence ellipse (meter) | 465 |
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) | 3000.0 |
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 | 10 |
Number of defining phases | 9 |
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) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 0.44157 |
Number of stations at which the event was observed | 6 |
Number of stations from which data was used for origin computation | 5 |
Field | Value |
---|---|
Value | 0.7 |
Uncertainty | 0.3 |
Num. used stations | 4 |
Type of magnitude | ML |
Reference to an origin | 121468421 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2023-09-26 05:40:37 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
GU.LSD.HHZ. | 2023-09-26T05:35:35.49 | 0.1 | undecidable | manual | S | 170 | 43.2234 | 92 | -0.28 | 89 |
GU.SATI.HHZ. | 2023-09-26T05:35:34.13 | 3.0 | undecidable | manual | P | 0.09 | 0 | |||
CH.DIX.HHZ. | 2023-09-26T05:35:34.30 | 0.1 | undecidable | manual | S | 47 | 38.8278 | 92 | -0.31 | 89 |
GU.CIRO.HHZ. | 2023-09-26T05:35:31.31 | 1.0 | negative | manual | P | 123 | 49.0176 | 92 | 0.55 | 21 |
GU.LSD.HHZ. | 2023-09-26T05:35:30.25 | 0.6 | undecidable | manual | P | 170 | 43.2234 | 92 | 0.4 | 44 |
CH.DIX.HHZ. | 2023-09-26T05:35:29.02 | 1.0 | negative | manual | P | 47 | 38.8278 | 92 | -0.17 | 23 |
IV.MRGE.HHZ. | 2023-09-26T05:35:26.56 | 0.1 | undecidable | manual | S | 167 | 8.3805 | 134 | -0.2 | 96 |
GU.REMY.HHE. | 2023-09-26T05:35:26.95 | 0.1 | undecidable | manual | S | 94 | 9.1797 | 130 | 0.01 | 100 |
GU.REMY.HHE. | 2023-09-26T05:35:25.14 | 0.1 | undecidable | manual | P | 94 | 9.1797 | 130 | 0.38 | 93 |
IV.MRGE.HHZ. | 2023-09-26T05:35:24.74 | 0.1 | undecidable | manual | P | 167 | 8.3805 | 134 | 0.08 | 99 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.MRGE.HHE. | ML:1.1 | 0.0001665 | 0.16 | AML | other | m | 2023-09-26T05:35:26.71 |
IV.MRGE.HHN. | ML:0.9 | 0.00009575 | 0.16 | AML | other | m | 2023-09-26T05:35:26.69 |
GU.LSD.HHN. | ML:0.5 | 0.000009365 | 0.42 | AML | other | m | 2023-09-26T05:35:43.50 |
GU.LSD.HHE. | ML:0.5 | 0.00001179 | 1.58 | AML | other | m | 2023-09-26T05:35:45.11 |