A magnitude ML 1.8 earthquake occured in region: 8 km NE Courmayeur (AO), on
and geographic coordinates (lat, lon) 45.8510, 7.0350 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 | 8 | 2807 | 2807 |
Pré-Saint-Didier | AO | 10 | 1050 | 3857 |
Morgex | AO | 10 | 2104 | 5961 |
La Salle | AO | 12 | 2087 | 8048 |
Saint-Rhémy-en-Bosses | AO | 12 | 338 | 8386 |
Saint-Oyen | AO | 14 | 203 | 8589 |
Etroubles | AO | 16 | 501 | 9090 |
La Thuile | AO | 16 | 761 | 9851 |
Avise | AO | 18 | 305 | 10156 |
Saint-Nicolas | AO | 18 | 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 1.8 | 2024-01-04 04:16:11 |
45.8507 | 7.0348 | 12 | 2024-01-04 04:39:35 |
Sala Sismica INGV-Roma | 124469071 |
Field | Value |
---|---|
Time (UTC) | 2024-01-04 04:16:11 ± 0.17 |
Latitude | 45.8507 ± 0.0099 |
Longitude | 7.0348 ± 0.0168 |
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 | 124469071 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 1065 |
Semi-minor axis of confidence ellipse (meter) | 970 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 122 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 1070.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 124 |
Number of associated phases, regardless of their use for origin computation | 20 |
Number of defining phases | 16 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.27 |
Epicentral distance of station closest to the epicenter (degree) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 1.02703 |
Number of stations at which the event was observed | 15 |
Number of stations from which data was used for origin computation | 11 |
Field | Value |
---|---|
Value | 1.8 |
Uncertainty | 0.4 |
Num. used stations | 10 |
Type of magnitude | ML |
Reference to an origin | 124469071 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2024-01-04 04:39:35 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.SSFR.HNZ. | 2024-01-04T04:17:38.93 | 3.0 | undecidable | manual | Pg | 16.629999 | 0 | |||
IV.ATFO.HHZ. | 2024-01-04T04:17:28.46 | 3.0 | negative | manual | Pn | 7.4 | 0 | |||
OE.WTTA.HHZ. | 2024-01-04T04:17:14.85 | 3.0 | negative | manual | Pg | 10.68 | 0 | |||
ST.CARE.HNZ. | 2024-01-04T04:17:02.60 | 3.0 | undecidable | manual | Pg | 10.19 | 0 | |||
GU.BHB.HHZ. | 2024-01-04T04:16:30.62 | 1.0 | undecidable | manual | P | 171 | 113.997 | 91 | 0.47 | 19 |
GU.RRL.HHZ. | 2024-01-04T04:16:29.16 | 1.0 | positive | manual | P | 191 | 104.9172 | 91 | 0.41 | 20 |
MN.BNI.HHZ. | 2024-01-04T04:16:27.20 | 0.6 | positive | manual | P | 198 | 92.8404 | 91 | 0.31 | 42 |
CH.GIMEL.HHE. | 2024-01-04T04:16:26.90 | 0.6 | undecidable | manual | P | 322 | 96.126 | 91 | -0.5 | 39 |
GU.CIRO.HHZ. | 2024-01-04T04:16:26.48 | 0.6 | undecidable | manual | S | 124 | 49.617 | 92 | -0.4 | 43 |
GU.RSP.HHZ. | 2024-01-04T04:16:25.24 | 1.0 | positive | manual | P | 167 | 79.9644 | 91 | 0.33 | 21 |
GU.LSD.HHZ. | 2024-01-04T04:16:24.65 | 0.6 | undecidable | manual | S | 170 | 44.0226 | 92 | -0.74 | 39 |
CH.DIX.HHZ. | 2024-01-04T04:16:23.51 | 0.6 | undecidable | manual | S | 48 | 38.4282 | 92 | -0.38 | 44 |
GU.SATI.HHZ. | 2024-01-04T04:16:22.24 | 0.6 | positive | manual | P | 87 | 64.491 | 91 | -0.28 | 43 |
GU.CIRO.HHZ. | 2024-01-04T04:16:20.60 | 0.1 | positive | manual | P | 124 | 49.617 | 92 | 0.36 | 90 |
GU.LSD.HHZ. | 2024-01-04T04:16:19.45 | 0.1 | positive | manual | P | 170 | 44.0226 | 92 | 0.07 | 96 |
CH.DIX.HHZ. | 2024-01-04T04:16:18.61 | 1.0 | negative | manual | P | 48 | 38.4282 | 92 | 0.1 | 24 |
GU.REMY.HHE. | 2024-01-04T04:16:16.53 | 0.1 | undecidable | manual | S | 99 | 9.4794 | 129 | 0.14 | 100 |
IV.MRGE.HHZ. | 2024-01-04T04:16:15.82 | 0.6 | undecidable | manual | S | 167 | 9.1797 | 130 | -0.5 | 47 |
GU.REMY.HHE. | 2024-01-04T04:16:14.43 | 0.1 | undecidable | manual | P | 99 | 9.4794 | 129 | 0.25 | 98 |
IV.MRGE.HHZ. | 2024-01-04T04:16:13.99 | 0.6 | undecidable | manual | P | 167 | 9.1797 | 130 | -0.15 | 50 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.MRGE.HHE. | ML:2.5 | 0.0039900000000000005 | 1.8 | AML | other | m | 2024-01-04T04:16:15.01 |
IV.MRGE.HHN. | ML:2.3 | 0.002315 | 1.82 | AML | other | m | 2024-01-04T04:16:16.99 |
CH.DIX.HHN. | ML:2.3 | 0.0007405 | 1.06 | AML | other | m | 2024-01-04T04:16:23.83 |
CH.DIX.HHE. | ML:2.3 | 0.000796 | 0.2 | AML | other | m | 2024-01-04T04:16:24.12 |
GU.LSD.HHE. | ML:1.8 | 0.00019600000000000002 | 0.12 | AML | other | m | 2024-01-04T04:16:24.84 |
GU.LSD.HHN. | ML:1.4 | 0.0000804 | 1.02 | AML | other | m | 2024-01-04T04:16:25.32 |
GU.CIRO.HHE. | ML:1.4 | 0.00007075000000000001 | 0.24 | AML | other | m | 2024-01-04T04:16:26.63 |
GU.CIRO.HHN. | ML:1.7 | 0.000135 | 0.26 | AML | other | m | 2024-01-04T04:16:26.76 |
GU.RSP.HHE. | ML:1.4 | 0.00003445 | 0.7 | AML | other | m | 2024-01-04T04:16:36.54 |
GU.RSP.HHN. | ML:1.3 | 0.000025149999999999998 | 0.44 | AML | other | m | 2024-01-04T04:16:37.98 |