A magnitude ML 0.5 earthquake occured in region: Confine Italia Svizzera (SVIZZERA), on
and geographic coordinates (lat, lon) 45.9390, 7.8640 at 3 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 | 9 | 557 | 557 |
Alagna Valsesia | VC | 11 | 408 | 965 |
Gressoney-La-Trinité | AO | 13 | 303 | 1268 |
Riva Valdobbia | VC | 14 | 258 | 1526 |
Carcoforo | VC | 15 | 78 | 1604 |
Rima San Giuseppe | VC | 15 | 59 | 1663 |
Ceppo Morelli | VB | 16 | 321 | 1984 |
Rimasco | VC | 18 | 106 | 2090 |
Gressoney-Saint-Jean | AO | 18 | 807 | 2897 |
Mollia | VC | 19 | 95 | 2992 |
Ayas | AO | 19 | 1401 | 4393 |
Vanzone con San Carlo | VB | 20 | 407 | 4800 |
Valtournenche | AO | 20 | 2277 | 7077 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 0.5 | 2023-08-15 16:21:57 |
45.9387 | 7.8642 | 3 | 2023-08-15 16:29:18 |
Sala Sismica INGV-Roma | 120158121 |
Field | Value |
---|---|
Time (UTC) | 2023-08-15 16:21:57 ± 0.17 |
Latitude | 45.9387 ± 0.0072 |
Longitude | 7.8642 ± 0.0155 |
Depth (km) | 3 (operator assigned) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 100 -> SURVEY-INGV |
Event type | earthquake |
Origin ID | 120158121 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 1240 |
Semi-minor axis of confidence ellipse (meter) | 740 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 294 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 1240.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 159 |
Number of associated phases, regardless of their use for origin computation | 11 |
Number of defining phases | 9 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.35 |
Epicentral distance of station closest to the epicenter (degree) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 0.50272 |
Number of stations at which the event was observed | 6 |
Number of stations from which data was used for origin computation | 5 |
Field | Value |
---|---|
Value | 0.5 |
Uncertainty | 0.2 |
Num. used stations | 4 |
Type of magnitude | ML |
Reference to an origin | 120158121 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2023-08-15 16:29:18 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
GU.TRAV.HHZ. | 2023-08-15T16:22:13.91 | 0.6 | undecidable | manual | S | 191 | 48.2184 | 93 | -0.81 | 39 |
GU.CIRO.HHZ. | 2023-08-15T16:22:12.99 | 0.6 | undecidable | manual | S | 212 | 43.8228 | 93 | -0.22 | 47 |
CH.DIX.HHZ. | 2023-08-15T16:22:10.90 | 0.6 | undecidable | manual | S | 294 | 38.4282 | 94 | -0.46 | 45 |
GU.REMY.HHE. | 2023-08-15T16:22:09.11 | 0.1 | undecidable | manual | P | 259 | 55.7997 | 50 | 0.03 | 96 |
GU.TRAV.HHZ. | 2023-08-15T16:22:07.83 | 0.3 | negative | manual | P | 191 | 48.2184 | 93 | 0.18 | 70 |
GU.CIRO.HHZ. | 2023-08-15T16:22:07.28 | 0.3 | undecidable | manual | P | 212 | 43.8228 | 93 | 0.51 | 66 |
CH.DIX.HHZ. | 2023-08-15T16:22:05.99 | 0.3 | negative | manual | P | 294 | 38.4282 | 94 | 0.28 | 70 |
GU.SATI.HHZ. | 2023-08-15T16:22:03.47 | 3.0 | undecidable | manual | S | 0 | ||||
CH.MMK.HHE. | 2023-08-15T16:22:02.62 | 0.6 | undecidable | manual | S | 32 | 14.5743 | 100 | -0.51 | 46 |
GU.SATI.HHZ. | 2023-08-15T16:22:01.65 | 3.0 | positive | manual | P | 0 | 0 | |||
CH.MMK.HHE. | 2023-08-15T16:22:01.12 | 0.1 | undecidable | manual | P | 32 | 14.5743 | 100 | 0.17 | 100 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
GU.SATI.HHN. | ML:0.6 | 0.00007754999999999999 | 0.06 | AML | other | m | 2023-08-15T16:22:03.55 |
GU.SATI.HHE. | ML:0.6 | 0.00006850000000000001 | 0.36 | AML | other | m | 2023-08-15T16:22:03.52 |
GU.CIRO.HHE. | ML:0.2 | 0.000004498187 | 0.0768 | AML | other | m | 2023-08-15T16:22:13.23 |
GU.CIRO.HHN. | ML:0.5 | 0.0000111134185 | 0.2432 | AML | other | m | 2023-08-15T16:22:13.43 |
GU.TRAV.HHE. | ML:0.7 | 0.000013153855 | 0.1024 | AML | other | m | 2023-08-15T16:22:14.15 |
GU.TRAV.HHN. | ML:0.6 | 0.000007885743 | 0.1024 | AML | other | m | 2023-08-15T16:22:14.29 |