A magnitude ML 1.1 earthquake occured in region: Confine Italia Svizzera (SVIZZERA), on
and geographic coordinates (lat, lon) 46.4100, 8.5270 at 11 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 |
---|---|---|---|---|
Formazza | VB | 8 | 445 | 445 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 1.1 | 2023-08-21 21:35:06 |
46.4102 | 8.5267 | 11 | 2023-08-21 21:43:50 |
Sala Sismica INGV-Roma | 120364501 |
Field | Value |
---|---|
Time (UTC) | 2023-08-21 21:35:06 ± 0.17 |
Latitude | 46.4102 ± 0.0054 |
Longitude | 8.5267 ± 0.0117 |
Depth (km) | 11 ± 2 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 100 -> SURVEY-INGV |
Event type | earthquake |
Origin ID | 120364501 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 783 |
Semi-minor axis of confidence ellipse (meter) | 468 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 266 |
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) | 124 |
Number of associated phases, regardless of their use for origin computation | 13 |
Number of defining phases | 11 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.42 |
Epicentral distance of station closest to the epicenter (degree) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 0.79500 |
Number of stations at which the event was observed | 8 |
Number of stations from which data was used for origin computation | 6 |
Field | Value |
---|---|
Value | 1.1 |
Uncertainty | 0.2 |
Num. used stations | 8 |
Type of magnitude | ML |
Reference to an origin | 120364501 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2023-08-21 21:43:50 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.ZCCA.HHZ. | 2023-08-21T21:36:33.11 | 3.0 | undecidable | manual | Sg | 10.5 | 0 | |||
IV.MRGE.HHZ. | 2023-08-21T21:35:29.94 | 3.0 | positive | manual | P | 0.81 | 0 | |||
GU.SATI.HHZ. | 2023-08-21T21:35:29.30 | 0.6 | undecidable | manual | S | 221 | 77.9664 | 50 | -0.45 | 43 |
CH.MUGIO.HHZ. | 2023-08-21T21:35:26.61 | 0.1 | undecidable | manual | S | 144 | 67.0773 | 50 | -0.23 | 92 |
CH.MMK.HHE. | 2023-08-21T21:35:23.85 | 0.1 | undecidable | manual | S | 227 | 58.7967 | 50 | -0.77 | 79 |
CH.BNALP.HHZ. | 2023-08-21T21:35:22.54 | 0.1 | undecidable | manual | S | 351 | 51.6039 | 50 | -0.18 | 95 |
4P.IT02A.HHE. | 2023-08-21T21:35:21.62 | 0.1 | undecidable | manual | P | 188 | 88.245 | 50 | 0.14 | 89 |
GU.SATI.HHZ. | 2023-08-21T21:35:20.49 | 0.3 | undecidable | manual | P | 221 | 77.9664 | 50 | 0.6 | 60 |
CH.MUGIO.HHZ. | 2023-08-21T21:35:18.61 | 0.6 | positive | manual | P | 144 | 67.0773 | 50 | 0.4 | 44 |
CH.MMK.HHE. | 2023-08-21T21:35:17.19 | 0.1 | undecidable | manual | P | 227 | 58.7967 | 50 | 0.25 | 92 |
CH.BNALP.HHZ. | 2023-08-21T21:35:16.53 | 1.0 | negative | manual | P | 351 | 51.6039 | 50 | 0.7 | 20 |
CH.FUSIO.HHZ. | 2023-08-21T21:35:11.56 | 0.1 | undecidable | manual | S | 64 | 11.5773 | 133 | -0.35 | 96 |
CH.FUSIO.HHZ. | 2023-08-21T21:35:09.91 | 0.1 | positive | manual | P | 64 | 11.5773 | 133 | 0.31 | 100 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
CH.FUSIO.HHN. | ML:1.3 | 0.000226 | 0.1 | AML | other | m | 2023-08-21T21:35:11.76 |
CH.FUSIO.HHE. | ML:1.0 | 0.00011784999999999999 | 0.44 | AML | other | m | 2023-08-21T21:35:11.77 |
CH.BNALP.HHE. | ML:1.0 | 0.000024149999999999997 | 1.56 | AML | other | m | 2023-08-21T21:35:22.15 |
CH.BNALP.HHN. | ML:0.8 | 0.000016 | 0.18 | AML | other | m | 2023-08-21T21:35:23.33 |
CH.MUGIO.HHN. | ML:1.4 | 0.000044999999999999996 | 0.46 | AML | other | m | 2023-08-21T21:35:26.71 |
CH.MUGIO.HHE. | ML:1.3 | 0.00003525 | 0.38 | AML | other | m | 2023-08-21T21:35:26.74 |
GU.SATI.HHE. | ML:1.0 | 0.000015065000000000002 | 0.44 | AML | other | m | 2023-08-21T21:35:29.33 |
GU.SATI.HHN. | ML:1.0 | 0.000014350000000000002 | 1.38 | AML | other | m | 2023-08-21T21:35:31.99 |