A magnitude ML 1.3 earthquake occured in region: 11 km NW Trasquera (VB), on
and geographic coordinates (lat, lon) 46.2980, 8.1480 at 15 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 |
---|---|---|---|---|
Trasquera | VB | 11 | 194 | 194 |
Varzo | VB | 13 | 2046 | 2240 |
Baceno | VB | 14 | 918 | 3158 |
Premia | VB | 15 | 564 | 3722 |
Crodo | VB | 16 | 1404 | 5126 |
Crevoladossola | VB | 20 | 4655 | 9781 |
Bognanco | VB | 20 | 219 | 10000 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 1.3 | 2023-05-18 17:21:58 |
46.2978 | 8.1478 | 15 | 2023-05-18 17:33:10 |
Sala Sismica INGV-Roma | 117458371 |
Field | Value |
---|---|
Time (UTC) | 2023-05-18 17:21:58 ± 0.18 |
Latitude | 46.2978 ± 0.0090 |
Longitude | 8.1478 ± 0.0143 |
Depth (km) | 15 ± 7 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 100 -> SURVEY-INGV |
Event type | earthquake |
Origin ID | 117458371 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 1299 |
Semi-minor axis of confidence ellipse (meter) | 343 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 128 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 1300.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 131 |
Number of associated phases, regardless of their use for origin computation | 18 |
Number of defining phases | 16 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.44 |
Epicentral distance of station closest to the epicenter (degree) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 1.09537 |
Number of stations at which the event was observed | 11 |
Number of stations from which data was used for origin computation | 9 |
Field | Value |
---|---|
Value | 1.3 |
Uncertainty | 0.2 |
Num. used stations | 12 |
Type of magnitude | ML |
Reference to an origin | 117458371 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2023-05-18 17:33:10 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.PII.HHZ. | 2023-05-18T17:23:24.82 | 3.0 | undecidable | manual | Sn | -0.15 | 0 | |||
IV.CAFI.HHZ. | 2023-05-18T17:23:12.57 | 3.0 | negative | manual | Pg | 12.99 | 0 | |||
GU.LSD.HHZ. | 2023-05-18T17:22:33.37 | 1.0 | undecidable | manual | S | 220 | 121.5894 | 92 | 0.43 | 20 |
GU.TRAV.HHZ. | 2023-05-18T17:22:24.69 | 0.3 | undecidable | manual | S | 200 | 92.5407 | 93 | -0.5 | 64 |
CH.MUGIO.HHZ. | 2023-05-18T17:22:21.68 | 0.6 | undecidable | manual | S | 121 | 80.364 | 93 | -0.28 | 46 |
GU.LSD.HHZ. | 2023-05-18T17:22:19.05 | 0.1 | undecidable | manual | P | 220 | 121.5894 | 92 | 0.87 | 69 |
CH.BNALP.HHZ. | 2023-05-18T17:22:18.00 | 0.3 | undecidable | manual | S | 18 | 66.9774 | 94 | -0.38 | 67 |
CH.DIX.HHZ. | 2023-05-18T17:22:16.71 | 0.3 | undecidable | manual | S | 247 | 61.6938 | 94 | -0.28 | 70 |
IV.MRGE.HHZ. | 2023-05-18T17:22:16.00 | 0.6 | undecidable | manual | P | 235 | 102.12 | 92 | 0.81 | 37 |
GU.SATI.HHZ. | 2023-05-18T17:22:13.44 | 0.1 | undecidable | manual | S | 205 | 51.5151 | 96 | -0.84 | 81 |
GU.TRAV.HHZ. | 2023-05-18T17:22:13.97 | 1.0 | negative | manual | P | 200 | 92.5407 | 93 | 0.26 | 22 |
CH.MUGIO.HHZ. | 2023-05-18T17:22:12.42 | 1.0 | positive | manual | P | 121 | 80.364 | 93 | 0.58 | 21 |
CH.FUSIO.HHZ. | 2023-05-18T17:22:11.30 | 0.3 | undecidable | manual | S | 66 | 43.1235 | 97 | -0.74 | 62 |
CH.BNALP.HHZ. | 2023-05-18T17:22:10.29 | 0.6 | undecidable | manual | P | 18 | 66.9774 | 94 | 0.52 | 45 |
IV.VARE.HHZ. | 2023-05-18T17:22:10.48 | 0.3 | positive | manual | P | 135 | 67.5768 | 94 | 0.61 | 64 |
CH.DIX.HHZ. | 2023-05-18T17:22:09.34 | 0.6 | positive | manual | P | 247 | 61.6938 | 94 | 0.37 | 46 |
GU.SATI.HHZ. | 2023-05-18T17:22:07.49 | 0.1 | undecidable | manual | P | 205 | 51.5151 | 96 | 0.08 | 100 |
CH.FUSIO.HHZ. | 2023-05-18T17:22:06.13 | 1.0 | positive | manual | P | 66 | 43.1235 | 97 | 0.01 | 26 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
CH.FUSIO.HHN. | ML:1.1 | 0.0000337 | 1.02 | AML | other | m | 2023-05-18T17:22:11.90 |
CH.FUSIO.HHE. | ML:0.9 | 0.000024550000000000004 | 0.22 | AML | other | m | 2023-05-18T17:22:13.19 |
GU.SATI.HHN. | ML:1.2 | 0.00004225 | 0.12 | AML | other | m | 2023-05-18T17:22:13.65 |
GU.SATI.HHE. | ML:1.3 | 0.000049500000000000004 | 0.34 | AML | other | m | 2023-05-18T17:22:13.76 |
CH.DIX.HHN. | ML:1.7 | 0.00010155 | 1.04 | AML | other | m | 2023-05-18T17:22:17.80 |
CH.DIX.HHE. | ML:1.5 | 0.0000635 | 1.68 | AML | other | m | 2023-05-18T17:22:17.01 |
IV.VARE.HHN. | ML:1.2 | 0.0000265 | 0.74 | AML | other | m | 2023-05-18T17:22:18.56 |
IV.VARE.HHE. | ML:1.2 | 0.000022850000000000003 | 0.68 | AML | other | m | 2023-05-18T17:22:19.41 |
CH.MUGIO.HHN. | ML:1.4 | 0.0000288 | 1.86 | AML | other | m | 2023-05-18T17:22:22.97 |
CH.MUGIO.HHE. | ML:1.2 | 0.00002025 | 1.46 | AML | other | m | 2023-05-18T17:22:23.13 |
GU.TRAV.HHE. | ML:1.5 | 0.0000343 | 0.16 | AML | other | m | 2023-05-18T17:22:26.86 |
GU.TRAV.HHN. | ML:1.4 | 0.000029400000000000003 | 1.28 | AML | other | m | 2023-05-18T17:22:29.82 |