A magnitude ML 1.5 earthquake occured in region: 4 km SE La Thuile (AO), on
and geographic coordinates (lat, lon) 45.6940, 6.9920 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 |
---|---|---|---|---|
La Thuile | AO | 4 | 761 | 761 |
Pré-Saint-Didier | AO | 8 | 1050 | 1811 |
Morgex | AO | 8 | 2104 | 3915 |
La Salle | AO | 9 | 2087 | 6002 |
Valgrisenche | AO | 9 | 196 | 6198 |
Courmayeur | AO | 11 | 2807 | 9005 |
Avise | AO | 12 | 305 | 9310 |
Rhêmes-Saint-Georges | AO | 14 | 194 | 9504 |
Arvier | AO | 14 | 873 | 10377 |
Saint-Nicolas | AO | 14 | 311 | 10688 |
Introd | AO | 15 | 658 | 11346 |
Rhêmes-Notre-Dame | AO | 17 | 89 | 11435 |
Villeneuve | AO | 17 | 1289 | 12724 |
Saint-Pierre | AO | 18 | 3165 | 15889 |
Aymavilles | AO | 20 | 2086 | 17975 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
ML 1.5 | 2021-08-19 10:29:54 |
45.6937 | 6.9915 | 11 | 2021-12-29 11:12:35 |
Bollettino Sismico Italiano INGV | 96322111 |
Reviewed Rev100 |
ML 1.5 | 2021-08-19 10:29:54 |
45.6902 | 6.9898 | 11 | 2021-08-19 10:37:18 |
Sala Sismica INGV-Roma | 94369161 |
Field | Value |
---|---|
Time (UTC) | 2021-08-19 10:29:54 ± 0.17 |
Latitude | 45.6937 ± 0.0063 |
Longitude | 6.9915 ± 0.0155 |
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 | 96322111 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 1189 |
Semi-minor axis of confidence ellipse (meter) | 566 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 89 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 1190.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 130 |
Number of associated phases, regardless of their use for origin computation | 20 |
Number of defining phases | 20 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.42 |
Epicentral distance of station closest to the epicenter (degree) | 0.08993 |
Epicentral distance of station farthest from the epicenter (degree) | 1.18980 |
Number of stations at which the event was observed | 10 |
Number of stations from which data was used for origin computation | 10 |
Field | Value |
---|---|
Value | 1.5 |
Uncertainty | 0.3 |
Num. used stations | 10 |
Type of magnitude | ML |
Reference to an origin | 96322111 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2021-10-07 14:24:02 |
Field | Value |
---|---|
Value | 1.5 |
Uncertainty | 0.3 |
Num. used stations | 10 |
Type of magnitude | ML |
Reference to an origin | 94369161 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2021-08-19 10:37:18 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
GU.PZZ.HHE. | 2021-08-19T10:30:32.95 | 0.6 | undecidable | manual | S | 176 | 132.0678 | 50 | 0.34 | 37 |
CH.GIMEL.HHE. | 2021-08-19T10:30:26.16 | 0.3 | undecidable | manual | S | 329 | 108.6135 | 50 | -0.2 | 60 |
GU.BHB.HHZ. | 2021-08-19T10:30:22.99 | 0.1 | undecidable | manual | S | 167 | 97.5246 | 50 | -0.41 | 79 |
GU.RRL.HHE. | 2021-08-19T10:30:20.48 | 0.3 | undecidable | manual | S | 190 | 87.1461 | 50 | -0.14 | 64 |
GU.PZZ.HHE. | 2021-08-19T10:30:17.52 | 0.1 | undecidable | manual | P | 176 | 132.0678 | 50 | 0.86 | 62 |
MN.BNI.HHZ. | 2021-08-19T10:30:16.46 | 0.1 | undecidable | manual | S | 199 | 75.2691 | 50 | -0.99 | 66 |
GU.RSP.HHZ. | 2021-08-19T10:30:14.29 | 0.1 | undecidable | manual | S | 161 | 64.0914 | 50 | -0.19 | 88 |
CH.GIMEL.HHE. | 2021-08-19T10:30:13.47 | 0.1 | undecidable | manual | P | 329 | 108.6135 | 50 | 0.41 | 77 |
GU.TRAV.HHZ. | 2021-08-19T10:30:13.81 | 0.3 | undecidable | manual | S | 109 | 61.8936 | 50 | -0.09 | 68 |
GU.BHB.HHZ. | 2021-08-19T10:30:12.17 | 0.1 | negative | manual | P | 167 | 97.5246 | 50 | 0.83 | 68 |
CH.DIX.HHZ. | 2021-08-19T10:30:11.33 | 0.1 | undecidable | manual | S | 37 | 53.6019 | 50 | -0.34 | 87 |
GU.RRL.HHE. | 2021-08-19T10:30:09.85 | 0.1 | undecidable | manual | P | 190 | 87.1461 | 50 | 0.11 | 86 |
MN.BNI.HHZ. | 2021-08-19T10:30:07.77 | 0.1 | undecidable | manual | P | 199 | 75.2691 | 50 | -0.14 | 87 |
GU.TRAV.HHZ. | 2021-08-19T10:30:06.50 | 0.1 | undecidable | manual | P | 109 | 61.8936 | 50 | 0.64 | 78 |
GU.RSP.HHZ. | 2021-08-19T10:30:06.45 | 0.1 | undecidable | manual | P | 161 | 64.0914 | 50 | 0.25 | 87 |
GU.LSD.HHZ. | 2021-08-19T10:30:04.54 | 0.1 | undecidable | manual | S | 157 | 28.2495 | 50 | -0.36 | 91 |
CH.DIX.HHZ. | 2021-08-19T10:30:04.72 | 0.1 | undecidable | manual | P | 37 | 53.6019 | 50 | 0.14 | 91 |
GU.LSD.HHZ. | 2021-08-19T10:30:00.81 | 0.1 | positive | manual | P | 157 | 28.2495 | 50 | 0.15 | 95 |
IV.MRGE.HHZ. | 2021-08-19T10:29:59.54 | 0.1 | undecidable | manual | S | 32 | 9.9789 | 138 | -0.48 | 91 |
IV.MRGE.HHZ. | 2021-08-19T10:29:57.81 | 0.1 | positive | manual | P | 32 | 9.9789 | 138 | -0.04 | 100 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.MRGE.HHN. | ML:2.1 | 0.00164 | 0.22 | AML | other | m | 2021-08-19T10:29:59.82 |
IV.MRGE.HHE. | ML:2.1 | 0.001655 | 0.28 | AML | other | m | 2021-08-19T10:29:59.71 |
GU.LSD.HHE. | ML:1.6 | 0.0002105 | 0.3 | AML | other | m | 2021-08-19T10:30:04.66 |
GU.LSD.HHN. | ML:1.3 | 0.00009675000000000001 | 0.18 | AML | other | m | 2021-08-19T10:30:04.73 |
CH.DIX.HHE. | ML:1.7 | 0.00011549999999999999 | 0.64 | AML | other | m | 2021-08-19T10:30:11.50 |
CH.DIX.HHN. | ML:1.7 | 0.000128 | 0.36 | AML | other | m | 2021-08-19T10:30:12.03 |
GU.RSP.HHE. | ML:1.2 | 0.0000301 | 0.76 | AML | other | m | 2021-08-19T10:30:15.58 |
GU.TRAV.HHN. | ML:1.4 | 0.0000426 | 1.06 | AML | other | m | 2021-08-19T10:30:15.99 |
GU.TRAV.HHE. | ML:1.1 | 0.000026700000000000002 | 0.1 | AML | other | m | 2021-08-19T10:30:16.74 |
GU.RSP.HHN. | ML:1.2 | 0.0000282 | 0.92 | AML | other | m | 2021-08-19T10:30:20.51 |