A magnitude ML 1.0 earthquake occured in region: V3 Monte Bianco (ITALIA, FRANCIA, SVIZZERA), on
and geographic coordinates (lat, lon) 45.9160, 7.2070 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-Oyen | AO | 10 | 203 | 203 |
Saint-Rhémy-en-Bosses | AO | 10 | 338 | 541 |
Etroubles | AO | 11 | 501 | 1042 |
Ollomont | AO | 11 | 157 | 1199 |
Allein | AO | 13 | 229 | 1428 |
Doues | AO | 13 | 510 | 1938 |
Valpelline | AO | 14 | 657 | 2595 |
Oyace | AO | 15 | 219 | 2814 |
Roisan | AO | 17 | 1036 | 3850 |
Gignod | AO | 17 | 1710 | 5560 |
Bionaz | AO | 17 | 236 | 5796 |
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 1.0 | 2020-12-17 18:45:06 |
45.9163 | 7.2073 | 9 | 2020-12-17 18:49:03 |
Sala Sismica INGV-Roma | 85500251 |
Field | Value |
---|---|
Time (UTC) | 2020-12-17 18:45:06 ± 0.18 |
Latitude | 45.9163 ± 0.0117 |
Longitude | 7.2073 ± 0.0181 |
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 | 85500251 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 1784 |
Semi-minor axis of confidence ellipse (meter) | 559 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 311 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 1780.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 151 |
Number of associated phases, regardless of their use for origin computation | 14 |
Number of defining phases | 13 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.32 |
Epicentral distance of station closest to the epicenter (degree) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 0.55218 |
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 | 1.0 |
Uncertainty | 0.1 |
Num. used stations | 4 |
Type of magnitude | ML |
Reference to an origin | 85500251 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2020-12-17 18:49:03 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.VARE.HHZ. | 2020-12-17T18:45:45.64 | 3.0 | undecidable | manual | S | 0.69 | 0 | |||
GU.LSD.HHZ. | 2020-12-17T18:45:22.32 | 0.6 | undecidable | manual | S | 186 | 51.0156 | 50 | -0.37 | 45 |
GU.CIRO.HHZ. | 2020-12-17T18:45:20.28 | 0.6 | undecidable | manual | S | 141 | 44.7219 | 50 | -0.73 | 40 |
GU.TRAV.HHZ. | 2020-12-17T18:45:17.75 | 0.3 | positive | manual | P | 137 | 61.2942 | 50 | 0.45 | 65 |
GU.CIRO.HHZ. | 2020-12-17T18:45:15.05 | 0.6 | negative | manual | P | 141 | 44.7219 | 50 | 0.31 | 46 |
GU.LSD.HHZ. | 2020-12-17T18:45:15.86 | 0.1 | undecidable | manual | P | 186 | 51.0156 | 50 | 0.14 | 94 |
GU.BLANC.HHZ. | 2020-12-17T18:45:14.27 | 0.6 | undecidable | manual | S | 249 | 22.5552 | 112 | -0.35 | 47 |
CH.DIX.HHZ. | 2020-12-17T18:45:14.34 | 0.6 | undecidable | manual | S | 40 | 23.8539 | 111 | -0.69 | 42 |
IV.MRGE.HHZ. | 2020-12-17T18:45:13.26 | 0.6 | undecidable | manual | S | 215 | 19.7691 | 115 | -0.48 | 46 |
CH.DIX.HHZ. | 2020-12-17T18:45:11.47 | 0.3 | negative | manual | P | 40 | 23.8539 | 111 | 0.17 | 73 |
GU.BLANC.HHZ. | 2020-12-17T18:45:11.23 | 0.6 | negative | manual | P | 249 | 22.5552 | 112 | 0.17 | 49 |
IV.MRGE.HHZ. | 2020-12-17T18:45:10.66 | 0.1 | positive | manual | P | 215 | 19.7691 | 115 | 0.11 | 100 |
GU.REMY.HHZ. | 2020-12-17T18:45:10.80 | 0.6 | undecidable | manual | S | 204 | 9.5793 | 134 | 0.04 | 52 |
GU.REMY.HHZ. | 2020-12-17T18:45:09.30 | 0.6 | undecidable | manual | P | 204 | 9.5793 | 134 | 0.47 | 47 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
GU.REMY.HHE. | ML:0.9 | 0.00011499999999999999 | 1.14 | AML | other | m | 2020-12-17T18:45:11.85 |
GU.REMY.HHN. | ML:1.0 | 0.000128 | 0.26 | AML | other | m | 2020-12-17T18:45:11.44 |
IV.MRGE.HHN. | ML:1.0 | 0.00008460000000000001 | 0.74 | AML | other | m | 2020-12-17T18:45:13.35 |
IV.MRGE.HHE. | ML:0.9 | 0.00006670000000000001 | 0.7 | AML | other | m | 2020-12-17T18:45:13.54 |