A magnitude ML 0.8 earthquake occured in region: 7 km NE Courmayeur (AO), on
and geographic coordinates (lat, lon) 45.8420, 7.0240 at 11 km depth.
The earthquake was located by: Bollettino Sismico Italiano INGV.
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 | 9 | 1050 | 3857 |
Morgex | AO | 9 | 2104 | 5961 |
La Salle | AO | 11 | 2087 | 8048 |
Saint-Rhémy-en-Bosses | AO | 13 | 338 | 8386 |
Saint-Oyen | AO | 15 | 203 | 8589 |
La Thuile | AO | 15 | 761 | 9350 |
Etroubles | AO | 16 | 501 | 9851 |
Avise | AO | 17 | 305 | 10156 |
Saint-Nicolas | AO | 18 | 311 | 10467 |
Arvier | AO | 19 | 873 | 11340 |
Allein | AO | 20 | 229 | 11569 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
ML 0.8 | 2022-09-23 12:29:24 |
45.8423 | 7.0243 | 11 | 2024-03-01 15:28:21 |
Bollettino Sismico Italiano INGV | 116346221 |
Field | Value |
---|---|
Time (UTC) | 2022-09-23 12:29:24 ± 0.34 |
Latitude | 45.8423 ± 0.0126 |
Longitude | 7.0243 ± 0.0284 |
Depth (km) | 11 ± 1 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-INGV |
Event type | earthquake |
Origin ID | 116346221 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 2360 |
Semi-minor axis of confidence ellipse (meter) | 1098 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 293 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 2360.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 239 |
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) | 0.33 |
Epicentral distance of station closest to the epicenter (degree) | 0.07644 |
Epicentral distance of station farthest from the epicenter (degree) | 0.60255 |
Number of stations at which the event was observed | 6 |
Number of stations from which data was used for origin computation | 6 |
Field | Value |
---|---|
Value | 0.8 |
Uncertainty | 0.2 |
Num. used stations | 4 |
Type of magnitude | ML |
Reference to an origin | 116346221 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2023-04-13 16:01:08 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
GU.CIRO.HHZ. | 2022-09-23T12:29:40.39 | 0.6 | undecidable | manual | S | 122 | 49.8168 | 50 | -0.14 | 46 |
GU.LSD.HHZ. | 2022-09-23T12:29:38.29 | 0.6 | undecidable | manual | S | 169 | 43.3233 | 50 | -0.49 | 43 |
GU.TRAV.HHZ. | 2022-09-23T12:29:36.87 | 0.3 | undecidable | manual | P | 123 | 66.8775 | 50 | 0.42 | 63 |
CH.DIX.HHN. | 2022-09-23T12:29:36.79 | 0.6 | undecidable | manual | S | 48 | 39.627 | 50 | -1.02 | 35 |
GU.CIRO.HHZ. | 2022-09-23T12:29:34.14 | 0.1 | undecidable | manual | P | 122 | 49.8168 | 50 | 0.31 | 89 |
GU.LSD.HHZ. | 2022-09-23T12:29:32.95 | 0.1 | positive | manual | P | 169 | 43.3233 | 50 | 0.13 | 93 |
CH.DIX.HHN. | 2022-09-23T12:29:32.47 | 0.3 | undecidable | manual | P | 48 | 39.627 | 50 | 0.21 | 69 |
IV.MRGE.HHZ. | 2022-09-23T12:29:29.13 | 0.6 | undecidable | manual | S | 161 | 8.4804 | 142 | -0.31 | 48 |
GU.REMY.HHE. | 2022-09-23T12:29:29.94 | 0.6 | undecidable | manual | S | 93 | 10.1787 | 136 | 0.11 | 50 |
GU.REMY.HHE. | 2022-09-23T12:29:27.73 | 0.1 | undecidable | manual | P | 93 | 10.1787 | 136 | 0.08 | 100 |
IV.MRGE.HHZ. | 2022-09-23T12:29:27.29 | 0.1 | undecidable | manual | P | 161 | 8.4804 | 142 | -0.14 | 99 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
GU.LSD.HHE. | ML:1.0 | 0.0000304 | 0.6 | AML | other | m | 2022-09-23T12:29:38.89 |
GU.LSD.HHN. | ML:0.7 | 0.00001395 | 0.76 | AML | other | m | 2022-09-23T12:29:39.03 |
GU.CIRO.HHN. | ML:0.8 | 0.00001425 | 0.46 | AML | other | m | 2022-09-23T12:29:40.50 |
GU.CIRO.HHE. | ML:0.6 | 0.000011285 | 0.42 | AML | other | m | 2022-09-23T12:29:40.30 |