A magnitude ML 1.2 earthquake occured in region: 9 km NW Saint Rhémy en Bosses (AO), on
and geographic coordinates (lat, lon) 45.8660, 7.0860 at 9 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 |
---|---|---|---|---|
Saint-Rhémy-en-Bosses | AO | 9 | 338 | 338 |
Saint-Oyen | AO | 11 | 203 | 541 |
Courmayeur | AO | 12 | 2807 | 3348 |
Etroubles | AO | 13 | 501 | 3849 |
Morgex | AO | 13 | 2104 | 5953 |
La Salle | AO | 13 | 2087 | 8040 |
Pré-Saint-Didier | AO | 14 | 1050 | 9090 |
Allein | AO | 16 | 229 | 9319 |
Ollomont | AO | 18 | 157 | 9476 |
Saint-Nicolas | AO | 18 | 311 | 9787 |
Doues | AO | 18 | 510 | 10297 |
Avise | AO | 18 | 305 | 10602 |
Gignod | AO | 19 | 1710 | 12312 |
Arvier | AO | 19 | 873 | 13185 |
Valpelline | AO | 19 | 657 | 13842 |
La Thuile | AO | 20 | 761 | 14603 |
Roisan | AO | 20 | 1036 | 15639 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 1.2 | 2021-08-15 18:55:07 |
45.8658 | 7.0862 | 9 | 2021-08-15 19:24:12 |
Sala Sismica INGV-Roma | 94216461 |
Field | Value |
---|---|
Time (UTC) | 2021-08-15 18:55:07 ± 0.23 |
Latitude | 45.8658 ± 0.0099 |
Longitude | 7.0862 ± 0.0310 |
Depth (km) | 9 ± 1 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 100 -> SURVEY-INGV |
Event type | earthquake |
Origin ID | 94216461 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 2394 |
Semi-minor axis of confidence ellipse (meter) | 832 |
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) | 2390.0 |
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 | 13 |
Number of defining phases | 10 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.44 |
Epicentral distance of station closest to the epicenter (degree) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 0.87594 |
Number of stations at which the event was observed | 9 |
Number of stations from which data was used for origin computation | 6 |
Field | Value |
---|---|
Value | 1.2 |
Uncertainty | 0.2 |
Num. used stations | 8 |
Type of magnitude | ML |
Reference to an origin | 94216461 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2021-08-15 19:24:12 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.EUCT.HNZ. | 2021-08-15T18:56:03.26 | 3.0 | undecidable | manual | Sg | 0.23 | 0 | |||
GU.ENR.HHZ. | 2021-08-15T18:55:59.63 | 3.0 | undecidable | manual | S | -1.16 | 0 | |||
MN.BNI.HHZ. | 2021-08-15T18:55:37.11 | 3.0 | undecidable | manual | S | 0.21 | 0 | |||
GU.RSP.HHE. | 2021-08-15T18:55:32.39 | 0.1 | undecidable | manual | S | 170 | 80.8635 | 50 | 0.26 | 85 |
CH.GIMEL.HHE. | 2021-08-15T18:55:24.35 | 0.1 | undecidable | manual | P | 320 | 97.2249 | 50 | 0.04 | 86 |
GU.RSP.HHE. | 2021-08-15T18:55:22.66 | 0.3 | undecidable | manual | P | 170 | 80.8635 | 50 | 0.88 | 52 |
GU.LSD.HHZ. | 2021-08-15T18:55:21.89 | 0.1 | undecidable | manual | S | 175 | 45.2214 | 50 | -0.74 | 78 |
GU.TRAV.HHZ. | 2021-08-15T18:55:20.01 | 0.6 | undecidable | manual | P | 127 | 64.491 | 50 | 0.75 | 37 |
CH.DIX.HHZ. | 2021-08-15T18:55:19.44 | 0.3 | undecidable | manual | S | 46 | 34.3434 | 50 | -0.3 | 69 |
GU.LSD.HHZ. | 2021-08-15T18:55:16.31 | 0.3 | undecidable | manual | P | 175 | 45.2214 | 50 | 0.02 | 71 |
CH.DIX.HHZ. | 2021-08-15T18:55:14.53 | 0.1 | undecidable | manual | P | 46 | 34.3434 | 50 | -0.09 | 96 |
IV.MRGE.HHZ. | 2021-08-15T18:55:12.30 | 0.1 | undecidable | manual | S | 190 | 10.878 | 129 | -0.2 | 97 |
IV.MRGE.HHZ. | 2021-08-15T18:55:10.50 | 0.1 | positive | manual | P | 190 | 10.878 | 129 | 0.06 | 100 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.MRGE.HHE. | ML:1.3 | 0.00025 | 0.1 | AML | other | m | 2021-08-15T18:55:12.61 |
IV.MRGE.HHN. | ML:1.5 | 0.00039600000000000003 | 0.42 | AML | other | m | 2021-08-15T18:55:12.54 |
CH.DIX.HHE. | ML:1.2 | 0.00007255 | 0.74 | AML | other | m | 2021-08-15T18:55:20.46 |
CH.DIX.HHN. | ML:1.2 | 0.00006429999999999999 | 0.5 | AML | other | m | 2021-08-15T18:55:20.46 |
GU.LSD.HHN. | ML:1.1 | 0.000034149999999999997 | 0.8 | AML | other | m | 2021-08-15T18:55:22.58 |
GU.LSD.HHE. | ML:1.3 | 0.0000599 | 0.16 | AML | other | m | 2021-08-15T18:55:22.20 |
GU.TRAV.HHE. | ML:0.9 | 0.000017123970000000002 | 0.1408 | AML | other | m | 2021-08-15T18:55:29.47 |
GU.TRAV.HHN. | ML:0.9 | 0.000015079075 | 0.256 | AML | other | m | 2021-08-15T18:55:33.84 |