A magnitude ML 1.3 earthquake occured in region: Svizzera (SVIZZERA), on
and geographic coordinates (lat, lon) 46.8540, 8.8400 at 10 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.
No Italian municipalities within 20 km distance.
No Italian municipalities within 100 km from the epicenter with at least 50000 inhabitants.
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 1.3 | 2021-12-17 11:23:26 |
46.8537 | 8.8397 | 10 | 2021-12-17 11:36:43 |
Sala Sismica INGV-Roma | 98619371 |
Field | Value |
---|---|
Time (UTC) | 2021-12-17 11:23:26 ± 0.17 |
Latitude | 46.8537 ± 0.0117 |
Longitude | 8.8397 ± 0.0132 |
Depth (km) | 10 (operator assigned) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 100 -> SURVEY-INGV |
Event type | earthquake |
Origin ID | 98619371 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 1330 |
Semi-minor axis of confidence ellipse (meter) | 900 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 335 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 1330.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 148 |
Number of associated phases, regardless of their use for origin computation | 11 |
Number of defining phases | 10 |
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) | 0.94159 |
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 | 1.3 |
Uncertainty | 0.2 |
Num. used stations | 4 |
Type of magnitude | ML |
Reference to an origin | 98619371 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2021-12-17 11:36:43 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
CH.MUGIO.HHE. | 2021-12-17T11:23:57.29 | 0.3 | undecidable | manual | S | 171 | 104.5176 | 50 | -0.15 | 65 |
CH.DAVOX.HHZ. | 2021-12-17T11:23:50.98 | 0.3 | undecidable | manual | S | 95 | 79.365 | 50 | 0.26 | 67 |
CH.MUGIO.HHE. | 2021-12-17T11:23:45.22 | 0.1 | undecidable | manual | P | 171 | 104.5176 | 50 | 0.71 | 74 |
CH.BERNI.HHZ. | 2021-12-17T11:23:43.91 | 3.0 | undecidable | manual | P | 0 | ||||
CH.FUSIO.HHZ. | 2021-12-17T11:23:41.23 | 0.1 | undecidable | manual | S | 197 | 46.2204 | 50 | -0.65 | 85 |
CH.PLONS.HHZ. | 2021-12-17T11:23:41.28 | 0.1 | undecidable | manual | S | 62 | 46.3203 | 50 | -0.63 | 86 |
CH.DAVOX.HHZ. | 2021-12-17T11:23:40.99 | 0.1 | negative | manual | P | 95 | 79.365 | 50 | 0.36 | 88 |
CH.BNALP.HHZ. | 2021-12-17T11:23:37.84 | 0.3 | undecidable | manual | S | 274 | 31.5462 | 50 | -0.11 | 76 |
CH.PLONS.HHZ. | 2021-12-17T11:23:35.52 | 0.1 | undecidable | manual | P | 62 | 46.3203 | 50 | -0.02 | 100 |
CH.FUSIO.HHZ. | 2021-12-17T11:23:35.61 | 0.3 | positive | manual | P | 197 | 46.2204 | 50 | 0.08 | 74 |
CH.BNALP.HHZ. | 2021-12-17T11:23:33.49 | 0.1 | negative | manual | P | 274 | 31.5462 | 50 | 0.23 | 98 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
CH.BNALP.HHN. | ML:1.2 | 0.0000767 | 1.6 | AML | other | m | 2021-12-17T11:23:37.12 |
CH.BNALP.HHE. | ML:0.9 | 0.00003655 | 0.54 | AML | other | m | 2021-12-17T11:23:38.14 |
CH.PLONS.HHN. | ML:1.5 | 0.00008340000000000001 | 0.22 | AML | other | m | 2021-12-17T11:23:41.74 |
CH.PLONS.HHE. | ML:1.4 | 0.00006264999999999999 | 0.92 | AML | other | m | 2021-12-17T11:23:42.25 |