A magnitude ML 1.1 earthquake occured in region: 6 km SE La Thuile (AO), on
and geographic coordinates (lat, lon) 45.6670, 6.9820 at 8 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 |
---|---|---|---|---|
La Thuile | AO | 6 | 761 | 761 |
Valgrisenche | AO | 8 | 196 | 957 |
Pré-Saint-Didier | AO | 11 | 1050 | 2007 |
Morgex | AO | 11 | 2104 | 4111 |
La Salle | AO | 12 | 2087 | 6198 |
Avise | AO | 13 | 305 | 6503 |
Rhêmes-Saint-Georges | AO | 14 | 194 | 6697 |
Courmayeur | AO | 14 | 2807 | 9504 |
Rhêmes-Notre-Dame | AO | 15 | 89 | 9593 |
Arvier | AO | 15 | 873 | 10466 |
Saint-Nicolas | AO | 16 | 311 | 10777 |
Introd | AO | 16 | 658 | 11435 |
Villeneuve | AO | 18 | 1289 | 12724 |
Valsavarenche | AO | 20 | 161 | 12885 |
Saint-Pierre | AO | 20 | 3165 | 16050 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 1.1 | 2020-09-19 11:50:39 |
45.667 | 6.9822 | 8 | 2020-09-19 11:54:39 |
Sala Sismica INGV-Roma | 83028331 |
Field | Value |
---|---|
Time (UTC) | 2020-09-19 11:50:39 ± 0.33 |
Latitude | 45.6670 ± 0.0072 |
Longitude | 6.9822 ± 0.0283 |
Depth (km) | 8 ± 1 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 100 -> SURVEY-INGV |
Event type | earthquake |
Origin ID | 83028331 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 2152 |
Semi-minor axis of confidence ellipse (meter) | 600 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 277 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 2150.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 229 |
Number of associated phases, regardless of their use for origin computation | 10 |
Number of defining phases | 10 |
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) | 0.11691 |
Epicentral distance of station farthest from the epicenter (degree) | 0.55668 |
Number of stations at which the event was observed | 5 |
Number of stations from which data was used for origin computation | 5 |
Field | Value |
---|---|
Value | 1.1 |
Uncertainty | 0.1 |
Num. used stations | 6 |
Type of magnitude | ML |
Reference to an origin | 83028331 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2020-09-19 11:54:39 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
GU.RSP.HHZ. | 2020-09-19T11:50:58.32 | 0.1 | undecidable | manual | S | 159 | 61.5939 | 50 | -0.34 | 87 |
GU.TRAV.HHZ. | 2020-09-19T11:50:58.65 | 0.1 | undecidable | manual | S | 106 | 61.7937 | 50 | -0.05 | 92 |
GU.CIRO.HHZ. | 2020-09-19T11:50:54.42 | 0.1 | undecidable | manual | S | 99 | 46.0206 | 50 | -0.07 | 94 |
GU.TRAV.HHZ. | 2020-09-19T11:50:51.38 | 0.3 | positive | manual | P | 106 | 61.7937 | 50 | 1 | 51 |
GU.RSP.HHZ. | 2020-09-19T11:50:50.28 | 1.0 | undecidable | manual | P | 159 | 61.5939 | 50 | -0.07 | 23 |
GU.LSD.HHZ. | 2020-09-19T11:50:48.41 | 0.1 | undecidable | manual | S | 153 | 25.8519 | 107 | 0.04 | 98 |
GU.CIRO.HHZ. | 2020-09-19T11:50:47.97 | 0.1 | undecidable | manual | P | 99 | 46.0206 | 50 | 0.02 | 95 |
GU.LSD.HHZ. | 2020-09-19T11:50:44.43 | 0.1 | undecidable | manual | P | 153 | 25.8519 | 107 | 0.02 | 99 |
IV.MRGE.HHZ. | 2020-09-19T11:50:44.00 | 0.1 | undecidable | manual | S | 28 | 12.9759 | 121 | -0.23 | 97 |
IV.MRGE.HHZ. | 2020-09-19T11:50:42.09 | 0.1 | undecidable | manual | P | 28 | 12.9759 | 121 | 0.07 | 100 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.MRGE.HHE. | ML:1.0 | 0.00012795000000000002 | 0.06 | AML | other | m | 2020-09-19T11:50:44.28 |
IV.MRGE.HHN. | ML:1.1 | 0.00013900000000000002 | 0.24 | AML | other | m | 2020-09-19T11:50:44.33 |
GU.LSD.HHN. | ML:0.9 | 0.000052 | 1.74 | AML | other | m | 2020-09-19T11:50:49.06 |
GU.LSD.HHE. | ML:0.9 | 0.0000486 | 1.18 | AML | other | m | 2020-09-19T11:50:49.03 |
GU.RSP.HHE. | ML:1.2 | 0.000030600000000000005 | 1.22 | AML | other | m | 2020-09-19T11:50:59.64 |
GU.RSP.HHN. | ML:1.2 | 0.0000291 | 0.5 | AML | other | m | 2020-09-19T11:50:59.63 |