A magnitude ML 0.8 earthquake occured in region: V3 Monte Bianco (ITALIA, FRANCIA, SVIZZERA), on
and geographic coordinates (lat, lon) 45.8900, 6.9790 at 10 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 |
---|---|---|---|---|
Courmayeur | AO | 11 | 2807 | 2807 |
Pré-Saint-Didier | AO | 14 | 1050 | 3857 |
Morgex | AO | 15 | 2104 | 5961 |
La Salle | AO | 17 | 2087 | 8048 |
Saint-Rhémy-en-Bosses | AO | 17 | 338 | 8386 |
La Thuile | AO | 19 | 761 | 9147 |
Saint-Oyen | AO | 20 | 203 | 9350 |
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 0.8 | 2020-12-30 13:38:30 |
45.8898 | 6.9788 | 10 | 2020-12-30 14:21:25 |
Sala Sismica INGV-Roma | 85882331 |
Field | Value |
---|---|
Time (UTC) | 2020-12-30 13:38:30 ± 0.34 |
Latitude | 45.8898 ± 0.0180 |
Longitude | 6.9788 ± 0.0233 |
Depth (km) | 10 ± 1 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 100 -> SURVEY-INGV |
Event type | earthquake |
Origin ID | 85882331 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 2091 |
Semi-minor axis of confidence ellipse (meter) | 1574 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 151 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 2090.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 202 |
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) | 0.51 |
Epicentral distance of station closest to the epicenter (degree) | 0.05486 |
Epicentral distance of station farthest from the epicenter (degree) | 0.44337 |
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 | 0.8 |
Uncertainty | 0.1 |
Num. used stations | 6 |
Type of magnitude | ML |
Reference to an origin | 85882331 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2020-12-30 14:21:25 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
GU.LSD.HHZ. | 2020-12-30T13:38:45.47 | 0.6 | undecidable | manual | S | 166 | 49.2174 | 50 | -0.79 | 39 |
CH.DIX.HHE. | 2020-12-30T13:38:43.26 | 0.3 | undecidable | manual | S | 57 | 39.2274 | 50 | -0.33 | 70 |
GU.LSD.HHZ. | 2020-12-30T13:38:40.12 | 0.1 | undecidable | manual | P | 166 | 49.2174 | 50 | 0.59 | 85 |
CH.DIX.HHE. | 2020-12-30T13:38:37.52 | 0.6 | undecidable | manual | P | 57 | 39.2274 | 50 | -0.47 | 45 |
IV.MRGE.HHZ. | 2020-12-30T13:38:36.12 | 0.3 | undecidable | manual | S | 154 | 14.7741 | 123 | -0.32 | 73 |
GU.REMY.HHZ. | 2020-12-30T13:38:36.31 | 0.3 | undecidable | manual | S | 113 | 14.874 | 123 | -0.18 | 75 |
IV.MRGE.HHZ. | 2020-12-30T13:38:34.36 | 0.3 | positive | manual | P | 154 | 14.7741 | 123 | 0.5 | 70 |
GU.REMY.HHZ. | 2020-12-30T13:38:34.46 | 0.1 | undecidable | manual | P | 113 | 14.874 | 123 | 0.57 | 91 |
GU.BLANC.HHZ. | 2020-12-30T13:38:33.73 | 0.1 | undecidable | manual | S | 215 | 6.0939 | 148 | -0.56 | 93 |
GU.BLANC.HHZ. | 2020-12-30T13:38:32.88 | 0.1 | undecidable | manual | P | 215 | 6.0939 | 148 | 0.26 | 100 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
GU.BLANC.HHN. | ML:0.7 | 0.00009075 | 0.08 | AML | other | m | 2020-12-30T13:38:33.89 |
GU.BLANC.HHE. | ML:0.8 | 0.00009735 | 1.78 | AML | other | m | 2020-12-30T13:38:33.02 |
GU.REMY.HHE. | ML:0.6 | 0.000039750000000000004 | 1.54 | AML | other | m | 2020-12-30T13:38:36.79 |
IV.MRGE.HHE. | ML:1.0 | 0.00008915 | 0.2 | AML | other | m | 2020-12-30T13:38:36.30 |
IV.MRGE.HHN. | ML:0.8 | 0.00007139999999999999 | 0.06 | AML | other | m | 2020-12-30T13:38:36.30 |
GU.REMY.HHN. | ML:0.8 | 0.0000562 | 0.48 | AML | other | m | 2020-12-30T13:38:36.46 |