A magnitude ML 1.0 earthquake occured in region: V3 Monte Bianco (ITALIA, FRANCIA, SVIZZERA), on
and geographic coordinates (lat, lon) 46.0060, 6.9060 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.
No Italian municipalities within 20 km distance.
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 | 2021-12-26 08:38:55 |
46.0055 | 6.9057 | 10 | 2021-12-26 08:43:35 |
Sala Sismica INGV-Roma | 98998461 |
Field | Value |
---|---|
Time (UTC) | 2021-12-26 08:38:55 ± 0.19 |
Latitude | 46.0055 ± 0.0054 |
Longitude | 6.9057 ± 0.0129 |
Depth (km) | 10 (operator assigned) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 100 -> SURVEY-INGV |
Event type | earthquake |
Origin ID | 98998461 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 1120 |
Semi-minor axis of confidence ellipse (meter) | 400 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 299 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 1120.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 248 |
Number of associated phases, regardless of their use for origin computation | 7 |
Number of defining phases | 7 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.13 |
Epicentral distance of station closest to the epicenter (degree) | 0.25900 |
Epicentral distance of station farthest from the epicenter (degree) | 0.96587 |
Number of stations at which the event was observed | 4 |
Number of stations from which data was used for origin computation | 4 |
Field | Value |
---|---|
Value | 1.0 |
Uncertainty | 0.1 |
Num. used stations | 2 |
Type of magnitude | ML |
Reference to an origin | 98998461 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2021-12-26 08:43:35 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
GU.LSD.HHZ. | 2021-12-26T08:39:14.70 | 0.1 | undecidable | manual | S | 164 | 63.0924 | 50 | -0.13 | 94 |
MN.BNI.HHZ. | 2021-12-26T08:39:13.54 | 0.6 | undecidable | manual | P | 190 | 107.2149 | 50 | 0.16 | 43 |
CH.DIX.HHZ. | 2021-12-26T08:39:08.58 | 0.1 | undecidable | manual | S | 78 | 39.5271 | 50 | 0.03 | 100 |
GU.LSD.HHZ. | 2021-12-26T08:39:06.77 | 1.0 | undecidable | manual | P | 164 | 63.0924 | 50 | 0.2 | 23 |
IV.MRGE.HHZ. | 2021-12-26T08:39:05.79 | 0.1 | undecidable | manual | S | 155 | 28.749 | 50 | 0.12 | 100 |
CH.DIX.HHZ. | 2021-12-26T08:39:02.91 | 0.1 | negative | manual | P | 78 | 39.5271 | 50 | -0.04 | 100 |
IV.MRGE.HHZ. | 2021-12-26T08:39:01.13 | 0.3 | positive | manual | P | 155 | 28.749 | 50 | -0.15 | 75 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.MRGE.HHN. | ML:1.0 | 0.0000466 | 1.52 | AML | other | m | 2021-12-26T08:39:05.84 |
IV.MRGE.HHE. | ML:1.1 | 0.00006395000000000001 | 0.56 | AML | other | m | 2021-12-26T08:39:06.00 |