A magnitude ML 1.1 earthquake occured in region: Confine Italia Svizzera (SVIZZERA), on
and geographic coordinates (lat, lon) 45.9800, 7.8490 at 9 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 | 16 | 408 | 965 |
Ceppo Morelli | VB | 17 | 321 | 1286 |
Gressoney-La-Trinité | AO | 17 | 303 | 1589 |
Carcoforo | VC | 17 | 78 | 1667 |
Riva Valdobbia | VC | 18 | 258 | 1925 |
Rima San Giuseppe | VC | 19 | 59 | 1984 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 1.1 | 2020-09-11 23:31:26 |
45.9798 | 7.8492 | 9 | 2020-09-11 23:39:53 |
Sala Sismica INGV-Roma | 82829121 |
Field | Value |
---|---|
Time (UTC) | 2020-09-11 23:31:26 ± 0.13 |
Latitude | 45.9798 ± 0.0054 |
Longitude | 7.8492 ± 0.0129 |
Depth (km) | 9 ± 1 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 100 -> SURVEY-INGV |
Event type | earthquake |
Origin ID | 82829121 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 907 |
Semi-minor axis of confidence ellipse (meter) | 571 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 91 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 910.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 149 |
Number of associated phases, regardless of their use for origin computation | 14 |
Number of defining phases | 14 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.22 |
Epicentral distance of station closest to the epicenter (degree) | 0.10522 |
Epicentral distance of station farthest from the epicenter (degree) | 0.97397 |
Number of stations at which the event was observed | 8 |
Number of stations from which data was used for origin computation | 8 |
Field | Value |
---|---|
Value | 1.1 |
Uncertainty | 0.3 |
Num. used stations | 8 |
Type of magnitude | ML |
Reference to an origin | 82829121 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2020-09-11 23:39:53 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
GU.LSD.HHZ. | 2020-09-11T23:31:50.41 | 0.6 | undecidable | manual | S | 224 | 79.9644 | 50 | -0.28 | 42 |
GU.REMY.HHZ. | 2020-09-11T23:31:44.68 | 0.6 | undecidable | manual | S | 254 | 55.6998 | 50 | 0.47 | 42 |
CH.BNALP.HHE. | 2020-09-11T23:31:44.75 | 0.1 | undecidable | manual | P | 24 | 108.114 | 50 | -0.03 | 83 |
GU.TRAV.HHZ. | 2020-09-11T23:31:43.13 | 0.1 | undecidable | manual | S | 189 | 52.4031 | 50 | -0.2 | 90 |
GU.CIRO.HHZ. | 2020-09-11T23:31:41.79 | 0.6 | undecidable | manual | S | 207 | 47.2194 | 50 | -0.15 | 46 |
GU.LSD.HHZ. | 2020-09-11T23:31:40.42 | 0.3 | undecidable | manual | P | 224 | 79.9644 | 50 | -0.02 | 66 |
CH.DIX.HHZ. | 2020-09-11T23:31:38.43 | 0.6 | undecidable | manual | S | 288 | 35.742 | 50 | -0.44 | 44 |
IV.MRGE.HHZ. | 2020-09-11T23:31:38.39 | 0.3 | undecidable | manual | P | 249 | 65.1903 | 50 | 0.23 | 65 |
GU.TRAV.HHZ. | 2020-09-11T23:31:36.42 | 0.1 | undecidable | manual | P | 189 | 52.4031 | 50 | 0.23 | 89 |
GU.REMY.HHZ. | 2020-09-11T23:31:36.81 | 0.1 | undecidable | manual | P | 254 | 55.6998 | 50 | 0.11 | 91 |
GU.CIRO.HHZ. | 2020-09-11T23:31:35.73 | 0.3 | undecidable | manual | P | 207 | 47.2194 | 50 | 0.34 | 66 |
CH.DIX.HHZ. | 2020-09-11T23:31:33.40 | 0.3 | undecidable | manual | P | 288 | 35.742 | 50 | -0.22 | 69 |
GU.SATI.HHZ. | 2020-09-11T23:31:31.40 | 0.6 | undecidable | manual | S | 173 | 11.6772 | 128 | -0.18 | 48 |
GU.SATI.HHZ. | 2020-09-11T23:31:29.39 | 0.1 | positive | manual | P | 173 | 11.6772 | 128 | -0.02 | 100 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
CH.DIX.HHN. | ML:1.6 | 0.00014399999999999998 | 1.16 | AML | other | m | 2020-09-11T23:31:43.16 |
CH.DIX.HHE. | ML:1.5 | 0.0001225 | 0.4 | AML | other | m | 2020-09-11T23:31:39.81 |
GU.TRAV.HHE. | ML:1.2 | 0.000034200000000000005 | 0.74 | AML | other | m | 2020-09-11T23:31:43.73 |
GU.TRAV.HHN. | ML:1.1 | 0.00003095 | 0.3 | AML | other | m | 2020-09-11T23:31:48.75 |
GU.SATI.HHE. | ML:1.0 | 0.0001075998 | 0.832 | AML | other | m | 2020-09-11T23:31:33.18 |
GU.CIRO.HHE. | ML:0.8 | 0.000022231914999999997 | 4.3648 | AML | other | m | 2020-09-11T23:31:43.68 |
GU.CIRO.HHN. | ML:0.8 | 0.0000194002 | 10.56 | AML | other | m | 2020-09-11T23:31:46.08 |