A magnitude ML 1.7 earthquake occured in region: 12 km NW Saint Rhémy en Bosses (AO), on
and geographic coordinates (lat, lon) 45.8880, 7.0620 at 10 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 |
---|---|---|---|---|
Saint-Rhémy-en-Bosses | AO | 12 | 338 | 338 |
Courmayeur | AO | 13 | 2807 | 3145 |
Saint-Oyen | AO | 14 | 203 | 3348 |
Morgex | AO | 15 | 2104 | 5452 |
Pré-Saint-Didier | AO | 15 | 1050 | 6502 |
Etroubles | AO | 15 | 501 | 7003 |
La Salle | AO | 16 | 2087 | 9090 |
Allein | AO | 18 | 229 | 9319 |
Ollomont | AO | 20 | 157 | 9476 |
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 |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
ML 1.7 | 2020-10-22 07:38:09 |
45.8877 | 7.0618 | 10 | 2021-02-26 14:56:17 |
Bollettino Sismico Italiano INGV | 86831111 |
Reviewed Rev100 |
ML 1.7 | 2020-10-22 07:38:09 |
45.8872 | 7.0547 | 11 | 2020-10-22 07:49:43 |
Sala Sismica INGV-Roma | 84017641 |
Field | Value |
---|---|
Time (UTC) | 2020-10-22 07:38:09 ± 0.18 |
Latitude | 45.8877 ± 0.0099 |
Longitude | 7.0618 ± 0.0142 |
Depth (km) | 10 ± 1 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-INGV |
Event type | earthquake |
Origin ID | 86831111 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 1227 |
Semi-minor axis of confidence ellipse (meter) | 840 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 314 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 1230.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 167 |
Number of associated phases, regardless of their use for origin computation | 21 |
Number of defining phases | 21 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.41 |
Epicentral distance of station closest to the epicenter (degree) | 0.08274 |
Epicentral distance of station farthest from the epicenter (degree) | 1.06120 |
Number of stations at which the event was observed | 12 |
Number of stations from which data was used for origin computation | 12 |
Field | Value |
---|---|
Value | 1.7 |
Uncertainty | 0.4 |
Num. used stations | 14 |
Type of magnitude | ML |
Reference to an origin | 86831111 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2021-02-04 14:46:04 |
Field | Value |
---|---|
Value | 1.7 |
Uncertainty | 0.4 |
Num. used stations | 14 |
Type of magnitude | ML |
Reference to an origin | 84017641 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2020-10-22 07:49:43 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
MN.BNI.HHE. | 2020-10-22T07:38:38.16 | 0.6 | undecidable | manual | S | 198 | 97.4247 | 50 | -0.09 | 42 |
GU.BHB.HHZ. | 2020-10-22T07:38:30.37 | 0.3 | undecidable | manual | P | 172 | 117.7932 | 50 | 1.08 | 43 |
GU.TRAV.HHZ. | 2020-10-22T07:38:29.80 | 0.3 | undecidable | manual | S | 128 | 67.377 | 50 | -0.44 | 62 |
GU.SATI.HHZ. | 2020-10-22T07:38:28.71 | 0.3 | undecidable | manual | S | 91 | 62.2932 | 50 | -0.17 | 67 |
GU.RRL.HHE. | 2020-10-22T07:38:27.54 | 0.6 | undecidable | manual | P | 191 | 109.3128 | 50 | -0.44 | 38 |
MN.BNI.HHE. | 2020-10-22T07:38:26.84 | 0.1 | undecidable | manual | P | 198 | 97.4247 | 50 | 0.69 | 72 |
GU.CIRO.HHE. | 2020-10-22T07:38:25.22 | 0.3 | undecidable | manual | S | 129 | 50.4162 | 50 | -0.48 | 64 |
GU.LSD.HHZ. | 2020-10-22T07:38:24.41 | 0.3 | undecidable | manual | S | 173 | 47.8188 | 50 | -0.6 | 61 |
GU.TRAV.HHZ. | 2020-10-22T07:38:22.09 | 0.1 | positive | manual | P | 128 | 67.377 | 50 | 0.56 | 80 |
CH.MMK.HHE. | 2020-10-22T07:38:22.64 | 0.3 | undecidable | manual | P | 75 | 71.8725 | 50 | 0.43 | 62 |
CH.DIX.HHZ. | 2020-10-22T07:38:20.66 | 0.3 | undecidable | manual | S | 51 | 34.1436 | 50 | -0.71 | 60 |
GU.SATI.HHZ. | 2020-10-22T07:38:20.42 | 0.3 | undecidable | manual | P | 91 | 62.2932 | 50 | -0.32 | 65 |
GU.CIRO.HHE. | 2020-10-22T07:38:19.22 | 0.1 | undecidable | manual | P | 129 | 50.4162 | 50 | 0.31 | 88 |
GU.LSD.HHZ. | 2020-10-22T07:38:18.79 | 0.1 | undecidable | manual | P | 173 | 47.8188 | 50 | 0.28 | 89 |
CH.DIX.HHZ. | 2020-10-22T07:38:16.43 | 0.1 | undecidable | manual | P | 51 | 34.1436 | 50 | 0.03 | 96 |
IV.MRGE.HHZ. | 2020-10-22T07:38:15.03 | 0.3 | undecidable | manual | S | 180 | 13.0758 | 128 | -0.38 | 70 |
GU.REMY.HHZ. | 2020-10-22T07:38:14.48 | 0.3 | undecidable | manual | S | 127 | 9.1797 | 138 | 0.07 | 75 |
GU.BLANC.HHZ. | 2020-10-22T07:38:14.06 | 0.3 | undecidable | manual | S | 244 | 10.9779 | 133 | -0.79 | 61 |
IV.MRGE.HHZ. | 2020-10-22T07:38:13.06 | 0.1 | positive | manual | P | 180 | 13.0758 | 128 | 0.1 | 98 |
GU.BLANC.HHZ. | 2020-10-22T07:38:12.60 | 0.1 | positive | manual | P | 244 | 10.9779 | 133 | -0.04 | 100 |
GU.REMY.HHZ. | 2020-10-22T07:38:12.72 | 0.1 | positive | manual | P | 127 | 9.1797 | 138 | 0.33 | 94 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
GU.BLANC.HHN. | ML:2.1 | 0.0013783625500000001 | 0.1152 | AML | other | m | 2020-10-22T07:38:14.19 |
GU.BLANC.HHE. | ML:2.2 | 0.002003616 | 0.1792 | AML | other | m | 2020-10-22T07:38:14.38 |
GU.REMY.HHN. | ML:1.8 | 0.0007888808 | 0.2048 | AML | other | m | 2020-10-22T07:38:14.55 |
GU.REMY.HHE. | ML:1.5 | 0.00039070485 | 1.8016 | AML | other | m | 2020-10-22T07:38:14.96 |
IV.MRGE.HHN. | ML:2.2 | 0.0016782135 | 0.0768 | AML | other | m | 2020-10-22T07:38:15.11 |
IV.MRGE.HHE. | ML:2.0 | 0.0011367579999999999 | 0.0832 | AML | other | m | 2020-10-22T07:38:15.14 |
CH.DIX.HHE. | ML:2.0 | 0.00040776165000000003 | 0.2048 | AML | other | m | 2020-10-22T07:38:20.87 |
CH.DIX.HHN. | ML:1.8 | 0.0002572469 | 0.2112 | AML | other | m | 2020-10-22T07:38:21.04 |
GU.LSD.HHE. | ML:1.6 | 0.00010908293 | 0.1216 | AML | other | m | 2020-10-22T07:38:24.58 |
GU.LSD.HHN. | ML:1.2 | 0.000043765775 | 0.0576 | AML | other | m | 2020-10-22T07:38:25.93 |
GU.SATI.HHE. | ML:1.0 | 0.0000207527515 | 0.0768 | AML | other | m | 2020-10-22T07:38:29.96 |
GU.SATI.HHN. | ML:1.0 | 0.00002105485 | 0.0832 | AML | other | m | 2020-10-22T07:38:29.94 |
GU.TRAV.HHE. | ML:1.4 | 0.00003872475 | 0.1984 | AML | other | m | 2020-10-22T07:38:31.13 |
GU.TRAV.HHN. | ML:1.3 | 0.000036228045 | 0.2432 | AML | other | m | 2020-10-22T07:38:36.16 |