A magnitude ML 1.2 earthquake occured in region: 10 km NE Courmayeur (AO), on
and geographic coordinates (lat, lon) 45.8750, 7.0340 at 11 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 |
Saint-Rhémy-en-Bosses | AO | 13 | 338 | 4195 |
Morgex | AO | 13 | 2104 | 6299 |
La Salle | AO | 15 | 2087 | 8386 |
Saint-Oyen | AO | 15 | 203 | 8589 |
Etroubles | AO | 17 | 501 | 9090 |
La Thuile | AO | 19 | 761 | 9851 |
Allein | AO | 20 | 229 | 10080 |
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 1.2 | 2024-04-28 18:56:01 |
45.8753 | 7.0337 | 11 | 2024-04-28 19:08:43 |
Sala Sismica INGV-Roma | 127198271 |
Field | Value |
---|---|
Time (UTC) | 2024-04-28 18:56:01 ± 0.17 |
Latitude | 45.8753 ± 0.0090 |
Longitude | 7.0337 ± 0.0194 |
Depth (km) | 11 ± 1 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 100 -> SURVEY-INGV |
Event type | earthquake |
Origin ID | 127198271 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 1467 |
Semi-minor axis of confidence ellipse (meter) | 1007 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 269 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 1470.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 166 |
Number of associated phases, regardless of their use for origin computation | 15 |
Number of defining phases | 14 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.35 |
Epicentral distance of station closest to the epicenter (degree) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 0.61604 |
Number of stations at which the event was observed | 8 |
Number of stations from which data was used for origin computation | 7 |
Field | Value |
---|---|
Value | 1.2 |
Uncertainty | 0.3 |
Num. used stations | 9 |
Type of magnitude | ML |
Reference to an origin | 127198271 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2024-04-28 19:08:43 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
GU.IMI.HHZ. | 2024-04-28T18:57:01.24 | 3.0 | undecidable | manual | Sn | -0.49 | 0 | |||
GU.TRAV.HHZ. | 2024-04-28T18:56:22.19 | 0.3 | undecidable | manual | S | 126 | 68.376 | 50 | -0.18 | 66 |
GU.SATI.HHZ. | 2024-04-28T18:56:21.20 | 0.6 | undecidable | manual | S | 90 | 64.491 | 50 | -0.14 | 45 |
GU.CIRO.HHZ. | 2024-04-28T18:56:17.70 | 0.3 | undecidable | manual | S | 126 | 51.3153 | 50 | -0.12 | 69 |
GU.LSD.HHZ. | 2024-04-28T18:56:16.28 | 0.3 | undecidable | manual | S | 170 | 46.7199 | 50 | -0.33 | 67 |
CH.DIX.HHZ. | 2024-04-28T18:56:13.45 | 0.3 | undecidable | manual | S | 52 | 36.741 | 50 | -0.48 | 66 |
GU.SATI.HHZ. | 2024-04-28T18:56:13.40 | 0.6 | undecidable | manual | P | 90 | 64.491 | 50 | 0.39 | 43 |
GU.TRAV.HHZ. | 2024-04-28T18:56:13.14 | 0.3 | undecidable | manual | P | 126 | 68.376 | 50 | -0.47 | 62 |
GU.CIRO.HHZ. | 2024-04-28T18:56:11.56 | 0.3 | undecidable | manual | P | 126 | 51.3153 | 50 | 0.58 | 62 |
GU.LSD.HHZ. | 2024-04-28T18:56:10.75 | 0.1 | undecidable | manual | P | 170 | 46.7199 | 50 | 0.47 | 87 |
CH.DIX.HHZ. | 2024-04-28T18:56:09.10 | 0.3 | undecidable | manual | P | 52 | 36.741 | 50 | 0.37 | 68 |
IV.MRGE.HHZ. | 2024-04-28T18:56:07.16 | 0.1 | undecidable | manual | S | 170 | 11.877 | 132 | -0.07 | 100 |
GU.BLANC.HHZ. | 2024-04-28T18:56:05.86 | 0.3 | undecidable | manual | S | 246 | 8.3805 | 142 | -0.55 | 68 |
IV.MRGE.HHZ. | 2024-04-28T18:56:05.15 | 0.1 | undecidable | manual | P | 170 | 11.877 | 132 | 0.28 | 96 |
GU.BLANC.HHZ. | 2024-04-28T18:56:04.50 | 0.1 | undecidable | manual | P | 246 | 8.3805 | 142 | 0.11 | 100 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.MRGE.HHE. | ML:1.6 | 0.000478 | 0.24 | AML | other | m | 2024-04-28T18:56:07.34 |
IV.MRGE.HHN. | ML:1.6 | 0.00038849999999999996 | 0.26 | AML | other | m | 2024-04-28T18:56:07.26 |
CH.DIX.HHN. | ML:1.6 | 0.00013700000000000002 | 0.34 | AML | other | m | 2024-04-28T18:56:13.81 |
CH.DIX.HHE. | ML:1.4 | 0.0001019 | 0.9 | AML | other | m | 2024-04-28T18:56:14.25 |
GU.LSD.HHE. | ML:1.0 | 0.000028650000000000002 | 0.26 | AML | other | m | 2024-04-28T18:56:16.54 |
GU.LSD.HHN. | ML:0.7 | 0.00001685 | 0.42 | AML | other | m | 2024-04-28T18:56:17.53 |
GU.TRAV.HHN. | ML:0.9 | 0.0000155039785 | 0.1 | AML | other | m | 2024-04-28T18:56:23.20 |
GU.SATI.HHN. | ML:0.9 | 0.000013087160000000001 | 1.72 | AML | other | m | 2024-04-28T18:56:13.65 |
GU.SATI.HHE. | ML:0.9 | 0.000014812996 | 0.1 | AML | other | m | 2024-04-28T18:56:22.34 |