A magnitude ML 1.2 earthquake occured in region: 7 km W Macugnaga (VB), on
and geographic coordinates (lat, lon) 45.9450, 7.8820 at 8 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 | 7 | 557 | 557 |
Alagna Valsesia | VC | 11 | 408 | 965 |
Carcoforo | VC | 14 | 78 | 1043 |
Riva Valdobbia | VC | 14 | 258 | 1301 |
Gressoney-La-Trinité | AO | 14 | 303 | 1604 |
Rima San Giuseppe | VC | 14 | 59 | 1663 |
Ceppo Morelli | VB | 15 | 321 | 1984 |
Rimasco | VC | 17 | 106 | 2090 |
Vanzone con San Carlo | VB | 18 | 407 | 2497 |
Mollia | VC | 19 | 95 | 2592 |
Gressoney-Saint-Jean | AO | 19 | 807 | 3399 |
Campertogno | VC | 20 | 237 | 3636 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 1.2 | 2021-07-01 05:50:12 |
45.9453 | 7.8817 | 8 | 2021-07-01 06:01:54 |
Sala Sismica INGV-Roma | 92093041 |
Field | Value |
---|---|
Time (UTC) | 2021-07-01 05:50:12 ± 0.19 |
Latitude | 45.9453 ± 0.0108 |
Longitude | 7.8817 ± 0.0155 |
Depth (km) | 8 ± 1 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 100 -> SURVEY-INGV |
Event type | earthquake |
Origin ID | 92093041 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 1307 |
Semi-minor axis of confidence ellipse (meter) | 915 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 321 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 1310.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 146 |
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) | 0.35 |
Epicentral distance of station closest to the epicenter (degree) | 0.11961 |
Epicentral distance of station farthest from the epicenter (degree) | 0.74284 |
Number of stations at which the event was observed | 6 |
Number of stations from which data was used for origin computation | 6 |
Field | Value |
---|---|
Value | 1.2 |
Uncertainty | 0.2 |
Num. used stations | 4 |
Type of magnitude | ML |
Reference to an origin | 92093041 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2021-07-01 06:01:54 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
CH.FUSIO.HHE. | 2021-07-01T05:50:36.96 | 0.6 | undecidable | manual | S | 46 | 82.4508 | 50 | -0.41 | 43 |
CH.FUSIO.HHE. | 2021-07-01T05:50:27.14 | 0.1 | undecidable | manual | P | 46 | 82.4508 | 50 | 0.36 | 87 |
GU.CIRO.HHZ. | 2021-07-01T05:50:27.09 | 0.6 | undecidable | manual | S | 213 | 45.2214 | 50 | -0.34 | 47 |
CH.DIX.HHZ. | 2021-07-01T05:50:25.73 | 0.1 | undecidable | manual | S | 292 | 39.4272 | 50 | -0.16 | 98 |
IV.MRGE.HHZ. | 2021-07-01T05:50:24.05 | 0.1 | undecidable | manual | P | 253 | 66.2781 | 50 | -0.25 | 92 |
GU.TRAV.HHZ. | 2021-07-01T05:50:21.63 | 0.1 | undecidable | manual | P | 192 | 49.2174 | 50 | -0.03 | 99 |
GU.CIRO.HHZ. | 2021-07-01T05:50:21.33 | 1.0 | undecidable | manual | P | 213 | 45.2214 | 50 | 0.29 | 24 |
CH.DIX.HHZ. | 2021-07-01T05:50:20.64 | 0.1 | negative | manual | P | 292 | 39.4272 | 50 | 0.49 | 92 |
CH.MMK.HHZ. | 2021-07-01T05:50:17.37 | 0.1 | undecidable | manual | S | 29 | 13.2756 | 122 | -0.38 | 98 |
CH.MMK.HHZ. | 2021-07-01T05:50:15.74 | 0.1 | positive | manual | P | 29 | 13.2756 | 122 | 0.29 | 100 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
CH.DIX.HHE. | ML:1.3 | 0.00006445000000000001 | 0.18 | AML | other | m | 2021-07-01T05:50:26.22 |
CH.DIX.HHN. | ML:1.4 | 0.00008444999999999999 | 0.48 | AML | other | m | 2021-07-01T05:50:26.50 |
GU.CIRO.HHE. | ML:1.0 | 0.00002895 | 1.66 | AML | other | m | 2021-07-01T05:50:26.07 |
GU.CIRO.HHN. | ML:1.1 | 0.00003275 | 0.4 | AML | other | m | 2021-07-01T05:50:27.25 |