A magnitude ML 0.9 earthquake occured in region: Confine Italia Svizzera (SVIZZERA), on
and geographic coordinates (lat, lon) 45.9380, 7.8330 at 7 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 |
---|---|---|---|---|
Macugnaga | VB | 11 | 557 | 557 |
Gressoney-La-Trinité | AO | 12 | 303 | 860 |
Alagna Valsesia | VC | 12 | 408 | 1268 |
Riva Valdobbia | VC | 15 | 258 | 1526 |
Rima San Giuseppe | VC | 17 | 59 | 1585 |
Carcoforo | VC | 17 | 78 | 1663 |
Valtournenche | AO | 18 | 2277 | 3940 |
Ayas | AO | 18 | 1401 | 5341 |
Gressoney-Saint-Jean | AO | 18 | 807 | 6148 |
Ceppo Morelli | VB | 19 | 321 | 6469 |
Chamois | AO | 20 | 97 | 6566 |
Rimasco | VC | 20 | 106 | 6672 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 0.9 | 2023-11-21 08:34:20 |
45.9378 | 7.8328 | 7 | 2023-11-21 08:40:40 |
Sala Sismica INGV-Roma | 123302991 |
Field | Value |
---|---|
Time (UTC) | 2023-11-21 08:34:20 ± 0.11 |
Latitude | 45.9378 ± 0.0063 |
Longitude | 7.8328 ± 0.0103 |
Depth (km) | 7 ± 1 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 100 -> SURVEY-INGV |
Event type | earthquake |
Origin ID | 123302991 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 778 |
Semi-minor axis of confidence ellipse (meter) | 660 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 71 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 780.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 119 |
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) | 0.23 |
Epicentral distance of station closest to the epicenter (degree) | 0.06745 |
Epicentral distance of station farthest from the epicenter (degree) | 0.48114 |
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 | 0.9 |
Uncertainty | 0.4 |
Num. used stations | 8 |
Type of magnitude | ML |
Reference to an origin | 123302991 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2023-11-21 08:40:40 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
GU.REMY.HNZ. | 2023-11-21T08:34:37.88 | 0.6 | undecidable | manual | S | 258 | 53.4021 | 50 | -0.05 | 50 |
GU.CIRO.HHZ. | 2023-11-21T08:34:34.68 | 0.6 | undecidable | manual | S | 209 | 42.5241 | 50 | -0.35 | 48 |
CH.DIX.HHZ. | 2023-11-21T08:34:33.06 | 0.6 | undecidable | manual | S | 296 | 36.3414 | 101 | -0.09 | 51 |
GU.REMY.HNZ. | 2023-11-21T08:34:30.63 | 0.1 | undecidable | manual | P | 258 | 53.4021 | 50 | 0.14 | 98 |
GU.CIRO.HHZ. | 2023-11-21T08:34:28.97 | 0.1 | undecidable | manual | P | 209 | 42.5241 | 50 | 0.16 | 100 |
CH.DIX.HHZ. | 2023-11-21T08:34:27.77 | 0.6 | negative | manual | P | 296 | 36.3414 | 101 | 0.04 | 52 |
CH.MMK.HHZ. | 2023-11-21T08:34:26.64 | 0.6 | undecidable | manual | S | 39 | 16.0728 | 113 | 0.25 | 51 |
GU.SATI.HHZ. | 2023-11-21T08:34:23.69 | 0.6 | undecidable | manual | S | 158 | 7.4814 | 133 | -0.16 | 53 |
CH.MMK.HHZ. | 2023-11-21T08:34:23.23 | 0.6 | undecidable | manual | P | 39 | 16.0728 | 113 | -0.6 | 47 |
GU.SATI.HHZ. | 2023-11-21T08:34:22.56 | 0.3 | undecidable | manual | P | 158 | 7.4814 | 133 | 0.2 | 79 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
CH.MMK.HHN. | ML:-0.3 | 0.0000070279315000000004 | 0.2816 | AML | other | m | 2023-11-21T08:34:29.76 |
CH.MMK.HHE. | ML:-0.3 | 0.000006181340000000001 | 0.416 | AML | other | m | 2023-11-21T08:34:29.27 |
GU.SATI.HHE. | ML:1.1 | 0.00021256706 | 0.1408 | AML | other | m | 2023-11-21T08:34:23.68 |
GU.SATI.HHN. | ML:1.0 | 0.00019576170000000002 | 0.1216 | AML | other | m | 2023-11-21T08:34:23.76 |
GU.SATI.HNE. | ML:1.1 | 0.000218509485 | 0.1344 | AML | other | m | 2023-11-21T08:34:23.68 |
GU.SATI.HNN. | ML:1.0 | 0.0001810465 | 0.1152 | AML | other | m | 2023-11-21T08:34:23.76 |
CH.DIX.HHE. | ML:0.9 | 0.000027766947999999998 | 0.192 | AML | other | m | 2023-11-21T08:34:36.25 |
CH.DIX.HHN. | ML:1.0 | 0.0000393229335 | 0.2688 | AML | other | m | 2023-11-21T08:34:34.80 |