A magnitude ML 1.2 earthquake occured in region: Svizzera (SVIZZERA), on
and geographic coordinates (lat, lon) 46.9230, 9.1420 at 9 km depth.
The earthquake was located by: Bollettino Sismico Italiano INGV.
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 |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
ML 1.2 | 2020-10-31 04:04:18 |
46.923 | 9.1415 | 9 | 2021-02-26 14:56:16 |
Bollettino Sismico Italiano INGV | 86379081 |
Reviewed Rev100 |
ML 1.4 | 2020-10-31 04:04:19 |
46.9067 | 9.1698 | 10 | 2020-10-31 04:23:00 |
Sala Sismica INGV-Roma | 84304251 |
Field | Value |
---|---|
Time (UTC) | 2020-10-31 04:04:18 ± 0.27 |
Latitude | 46.9230 ± 0.0216 |
Longitude | 9.1415 ± 0.0132 |
Depth (km) | 9 ± 3 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-INGV |
Event type | earthquake |
Origin ID | 86379081 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 2237 |
Semi-minor axis of confidence ellipse (meter) | 1120 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 1 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 2240.0 |
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 | 21 |
Number of defining phases | 19 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.44 |
Epicentral distance of station closest to the epicenter (degree) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 1.45960 |
Number of stations at which the event was observed | 13 |
Number of stations from which data was used for origin computation | 11 |
Field | Value |
---|---|
Value | 1.2 |
Uncertainty | 0.2 |
Num. used stations | 2 |
Type of magnitude | ML |
Reference to an origin | 86379081 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2021-01-19 13:40:39 |
Field | Value |
---|---|
Value | 1.4 |
Uncertainty | 0.4 |
Num. used stations | 3 |
Type of magnitude | ML |
Reference to an origin | 84304251 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2020-10-31 04:23:00 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.FIR.HHZ. | 2020-10-31T04:06:10.57 | 3.0 | undecidable | manual | Sg | 6.92 | 0 | |||
SL.LJU.BHZ. | 2020-10-31T04:06:09.02 | 3.0 | undecidable | manual | Sn | -9.99 | 0 | |||
CH.MMK.HHZ. | 2020-10-31T04:04:57.97 | 0.6 | undecidable | manual | S | 223 | 132.0678 | 50 | 0.89 | 32 |
CH.MUGIO.HHZ. | 2020-10-31T04:04:51.24 | 0.6 | undecidable | manual | S | 184 | 111.2997 | 50 | -0.29 | 41 |
CH.FUORN.HHN. | 2020-10-31T04:04:47.37 | 0.6 | undecidable | manual | S | 111 | 91.6416 | 50 | 1.1 | 31 |
CH.DIX.HHZ. | 2020-10-31T04:04:46.49 | 0.3 | undecidable | manual | P | 235 | 162.0156 | 50 | 0.96 | 42 |
GU.SATI.HHZ. | 2020-10-31T04:04:44.67 | 1.0 | undecidable | manual | P | 220 | 151.6371 | 50 | 0.75 | 16 |
CH.MMK.HHZ. | 2020-10-31T04:04:41.15 | 0.6 | undecidable | manual | P | 223 | 132.0678 | 50 | 0.23 | 40 |
CH.MUGIO.HHZ. | 2020-10-31T04:04:38.24 | 0.3 | undecidable | manual | P | 184 | 111.2997 | 50 | 0.53 | 58 |
CH.FUSIO.HHZ. | 2020-10-31T04:04:37.55 | 0.6 | undecidable | manual | S | 215 | 63.3921 | 50 | -1.19 | 32 |
CH.DAVOX.HHE. | 2020-10-31T04:04:36.89 | 0.6 | undecidable | manual | S | 105 | 58.1973 | 50 | -0.46 | 44 |
CH.BNALP.HHZ. | 2020-10-31T04:04:35.60 | 0.6 | undecidable | manual | S | 264 | 54.6009 | 50 | -0.8 | 39 |
CH.FUORN.HHN. | 2020-10-31T04:04:35.02 | 0.1 | undecidable | manual | P | 111 | 91.6416 | 50 | 0.34 | 84 |
MN.TUE.HNZ. | 2020-10-31T04:04:34.17 | 0.6 | undecidable | manual | S | 163 | 52.4031 | 50 | -1.63 | 25 |
CH.BERNI.HHE. | 2020-10-31T04:04:34.16 | 0.3 | undecidable | manual | P | 130 | 87.7455 | 50 | 0.09 | 67 |
CH.FUSIO.HHZ. | 2020-10-31T04:04:30.14 | 0.1 | undecidable | manual | P | 215 | 63.3921 | 50 | -0.19 | 92 |
CH.DAVOX.HHE. | 2020-10-31T04:04:29.52 | 0.1 | undecidable | manual | P | 105 | 58.1973 | 50 | 0 | 96 |
CH.BNALP.HHZ. | 2020-10-31T04:04:29.03 | 0.1 | undecidable | manual | P | 264 | 54.6009 | 50 | 0.06 | 96 |
MN.TUE.HNZ. | 2020-10-31T04:04:28.56 | 0.3 | undecidable | manual | P | 163 | 52.4031 | 50 | -0.07 | 72 |
CH.PLONS.HHZ. | 2020-10-31T04:04:26.89 | 0.6 | undecidable | manual | S | 52 | 22.8549 | 111 | -0.43 | 47 |
CH.PLONS.HHZ. | 2020-10-31T04:04:23.62 | 0.1 | undecidable | manual | P | 52 | 22.8549 | 111 | -0.11 | 100 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
CH.BNALP.HHN. | ML:1.3 | 0.000052499999999999995 | 1.44 | AML | other | m | 2020-10-31T04:04:36.00 |
CH.BNALP.HHE. | ML:1.1 | 0.00003039 | 1.3 | AML | other | m | 2020-10-31T04:04:36.14 |