A magnitude ML 0.5 earthquake occured in region: 4 km W Macugnaga (VB), on
and geographic coordinates (lat, lon) 45.9730, 7.9160 at 12 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 | 4 | 557 | 557 |
Ceppo Morelli | VB | 12 | 321 | 878 |
Carcoforo | VC | 13 | 78 | 956 |
Alagna Valsesia | VC | 13 | 408 | 1364 |
Rima San Giuseppe | VC | 15 | 59 | 1423 |
Vanzone con San Carlo | VB | 15 | 407 | 1830 |
Riva Valdobbia | VC | 16 | 258 | 2088 |
Rimasco | VC | 17 | 106 | 2194 |
Gressoney-La-Trinité | AO | 18 | 303 | 2497 |
Bannio Anzino | VB | 18 | 475 | 2972 |
Antrona Schieranco | VB | 18 | 428 | 3400 |
Mollia | VC | 20 | 95 | 3495 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 0.5 | 2023-08-12 10:32:06 |
45.9727 | 7.9163 | 12 | 2023-08-12 10:39:51 |
Sala Sismica INGV-Roma | 120051821 |
Field | Value |
---|---|
Time (UTC) | 2023-08-12 10:32:06 ± 0.21 |
Latitude | 45.9727 ± 0.0090 |
Longitude | 7.9163 ± 0.0311 |
Depth (km) | 12 ± 1 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 100 -> SURVEY-INGV |
Event type | earthquake |
Origin ID | 120051821 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 2371 |
Semi-minor axis of confidence ellipse (meter) | 980 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 95 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 2370.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 172 |
Number of associated phases, regardless of their use for origin computation | 24 |
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) | 0.54499 |
Number of stations at which the event was observed | 19 |
Number of stations from which data was used for origin computation | 6 |
Field | Value |
---|---|
Value | 0.5 |
Uncertainty | 0.2 |
Num. used stations | 6 |
Type of magnitude | ML |
Reference to an origin | 120051821 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2023-08-12 10:39:51 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.CAMP.HHZ. | 2023-08-12T10:33:43.54 | 3.0 | undecidable | manual | Pg | 17.129999 | 0 | |||
IV.RCAV.EHZ. | 2023-08-12T10:33:32.37 | 3.0 | undecidable | manual | Pn | 2.49 | 0 | |||
IV.MF5.EHZ. | 2023-08-12T10:33:31.87 | 3.0 | undecidable | manual | Pn | 9.07 | 0 | |||
IV.ARVD.HHZ. | 2023-08-12T10:33:30.81 | 3.0 | positive | manual | Pg | 16.389999 | 0 | |||
IV.MTRA.HNZ. | 2023-08-12T10:33:24.33 | 3.0 | undecidable | manual | Pn | 0.02 | 0 | |||
IV.PE3.EHZ. | 2023-08-12T10:33:21.89 | 3.0 | negative | manual | Pg | 12.67 | 0 | |||
ST.VARA.EHZ. | 2023-08-12T10:33:21.17 | 3.0 | undecidable | manual | Sg | 8.43 | 0 | |||
IV.MGAB.HHZ. | 2023-08-12T10:33:15.85 | 3.0 | positive | manual | Pn | 2.5 | 0 | |||
IV.BRSN.HNZ. | 2023-08-12T10:33:07.26 | 3.0 | negative | manual | Pn | 5.92 | 0 | |||
IV.SEI.HHZ. | 2023-08-12T10:32:57.94 | 3.0 | undecidable | manual | Pn | 0.72 | 0 | |||
IV.CTI.HHZ. | 2023-08-12T10:32:53.80 | 3.0 | positive | manual | Pn | 3.35 | 0 | |||
IV.SARZ.HHZ. | 2023-08-12T10:32:52.76 | 3.0 | undecidable | manual | S | -0.04 | 0 | |||
GU.CANO.HHZ. | 2023-08-12T10:32:37.59 | 3.0 | undecidable | manual | Pn | -0.29 | 0 | |||
GU.TRAV.HHZ. | 2023-08-12T10:32:22.24 | 0.3 | undecidable | manual | S | 195 | 52.7028 | 91 | -0.79 | 53 |
GU.CIRO.HHZ. | 2023-08-12T10:32:21.41 | 0.3 | undecidable | manual | S | 213 | 49.2174 | 91 | -0.65 | 56 |
CH.DIX.HHZ. | 2023-08-12T10:32:19.29 | 0.3 | undecidable | manual | S | 287 | 40.9257 | 91 | -0.57 | 55 |
GU.REMY.HHE. | 2023-08-12T10:32:17.49 | 0.3 | undecidable | manual | P | 256 | 60.495 | 91 | 0.26 | 70 |
GU.TRAV.HHZ. | 2023-08-12T10:32:16.22 | 0.1 | undecidable | manual | P | 195 | 52.7028 | 91 | 0.19 | 96 |
GU.CIRO.HHZ. | 2023-08-12T10:32:15.76 | 0.1 | undecidable | manual | P | 213 | 49.2174 | 91 | 0.28 | 95 |
CH.DIX.HHZ. | 2023-08-12T10:32:14.41 | 0.1 | undecidable | manual | P | 287 | 40.9257 | 91 | 0.2 | 97 |
CH.MMK.HHZ. | 2023-08-12T10:32:11.08 | 0.3 | undecidable | manual | S | 23 | 9.3795 | 126 | -0.51 | 71 |
GU.SATI.HHZ. | 2023-08-12T10:32:11.84 | 0.3 | undecidable | manual | S | 199 | 11.3775 | 116 | -0.21 | 75 |
GU.SATI.HHZ. | 2023-08-12T10:32:10.10 | 0.1 | undecidable | manual | P | 199 | 11.3775 | 116 | 0.4 | 90 |
CH.MMK.HHZ. | 2023-08-12T10:32:09.58 | 0.1 | undecidable | manual | P | 23 | 9.3795 | 126 | 0.15 | 100 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
CH.MMK.HHE. | ML:0.2 | 0.0000203484975 | 0.0576 | AML | other | m | 2023-08-12T10:32:11.12 |
CH.MMK.HHN. | ML:0.3 | 0.0000275 | 0.08 | AML | other | m | 2023-08-12T10:32:11.18 |
GU.CIRO.HHE. | ML:0.3 | 0.000004867491 | 0.0832 | AML | other | m | 2023-08-12T10:32:21.83 |
GU.CIRO.HHN. | ML:0.6 | 0.0000089983105 | 0.1408 | AML | other | m | 2023-08-12T10:32:21.98 |
GU.TRAV.HHE. | ML:0.8 | 0.000013289755999999999 | 0.1024 | AML | other | m | 2023-08-12T10:32:22.58 |
GU.TRAV.HHN. | ML:0.6 | 0.0000087941555 | 0.0768 | AML | other | m | 2023-08-12T10:32:23.05 |