A magnitude ML 2.1 earthquake occured in region: Svizzera (SVIZZERA), on
and geographic coordinates (lat, lon) 46.9340, 9.1420 at 8 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 2.1 | 2021-10-18 18:15:46 |
46.9337 | 9.1417 | 8 | 2022-03-30 13:04:13 |
Bollettino Sismico Italiano INGV | 97018371 |
Reviewed Rev100 |
ML 2.2 | 2021-10-18 18:15:46 |
46.9607 | 9.134 | 10 | 2021-10-18 19:21:02 |
Sala Sismica INGV-Roma | 96734901 |
Field | Value |
---|---|
Time (UTC) | 2021-10-18 18:15:46 ± 0.3 |
Latitude | 46.9337 ± 0.0234 |
Longitude | 9.1417 ± 0.0145 |
Depth (km) | 8 ± 3 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-INGV |
Event type | earthquake |
Origin ID | 97018371 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 2423 |
Semi-minor axis of confidence ellipse (meter) | 1226 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 0 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 2420.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 152 |
Number of associated phases, regardless of their use for origin computation | 29 |
Number of defining phases | 21 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.47 |
Epicentral distance of station closest to the epicenter (degree) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 2.02437 |
Number of stations at which the event was observed | 23 |
Number of stations from which data was used for origin computation | 15 |
Field | Value |
---|---|
Value | 2.1 |
Uncertainty | 0.3 |
Num. used stations | 20 |
Type of magnitude | ML |
Reference to an origin | 97018371 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2022-02-16 14:29:38 |
Field | Value |
---|---|
Value | 2.2 |
Uncertainty | 0.2 |
Num. used stations | 22 |
Type of magnitude | ML |
Reference to an origin | 96734901 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2021-10-18 19:21:02 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.CSNT.HHZ. | 2021-10-18T18:17:45.31 | 3.0 | undecidable | manual | Sg | 13.17 | 0 | |||
IV.ARVD.HHZ. | 2021-10-18T18:17:40.48 | 3.0 | undecidable | manual | Sn | -6.17 | 0 | |||
IV.CAFE.HHZ. | 2021-10-18T18:17:37.08 | 3.0 | positive | manual | Pn | 1.56 | 0 | |||
IT.FIE.HGZ. | 2021-10-18T18:17:26.83 | 3.0 | undecidable | manual | Sn | 2.05 | 0 | |||
RF.GEPF.HHZ. | 2021-10-18T18:17:25.89 | 3.0 | undecidable | manual | Sg | 15.64 | 0 | |||
IV.FDMO.HHZ. | 2021-10-18T18:17:05.55 | 3.0 | negative | manual | Pn | 5.28 | 0 | |||
IV.MNTT.EHZ. | 2021-10-18T18:17:01.93 | 3.0 | positive | manual | Pn | -1.12 | 0 | |||
IV.FIR.HHZ. | 2021-10-18T18:16:44.19 | 3.0 | undecidable | manual | Pn | 1.96 | 0 | |||
GU.LSD.HHZ. | 2021-10-18T18:16:23.23 | 0.3 | undecidable | manual | P | 224 | 224.7084 | 38 | 1.55 | 22 |
OE.WTTA.HHZ. | 2021-10-18T18:16:19.70 | 0.3 | undecidable | manual | P | 78 | 191.8635 | 38 | 2.12 | 17 |
IV.MRGE.HHZ. | 2021-10-18T18:16:19.84 | 0.6 | undecidable | manual | P | 232 | 205.0392 | 38 | 0.62 | 26 |
CH.MUGIO.HHE. | 2021-10-18T18:16:19.28 | 0.3 | undecidable | manual | S | 184 | 112.4985 | 50 | -0.51 | 59 |
GU.CIRO.HHZ. | 2021-10-18T18:16:17.76 | 0.3 | undecidable | manual | P | 220 | 190.7646 | 38 | 0.31 | 46 |
SI.ROSI.HHZ. | 2021-10-18T18:16:17.79 | 0.3 | undecidable | manual | P | 89 | 171.9945 | 50 | 2.88 | 5 |
GU.TRAV.HHZ. | 2021-10-18T18:16:17.12 | 0.3 | undecidable | manual | P | 215 | 190.6647 | 38 | -0.31 | 46 |
CH.FUORN.HHE. | 2021-10-18T18:16:14.52 | 0.6 | undecidable | manual | S | 112 | 92.0412 | 50 | 0.19 | 44 |
CH.DIX.HHZ. | 2021-10-18T18:16:14.27 | 0.1 | undecidable | manual | P | 235 | 162.7149 | 50 | 0.79 | 61 |
IV.MDI.HHE. | 2021-10-18T18:16:09.76 | 0.3 | undecidable | manual | P | 161 | 136.3635 | 50 | 0.33 | 58 |
CH.MUGIO.HHE. | 2021-10-18T18:16:06.11 | 0.3 | undecidable | manual | P | 184 | 112.4985 | 50 | 0.37 | 61 |
CH.FUSIO.HHZ. | 2021-10-18T18:16:05.69 | 0.6 | undecidable | manual | S | 215 | 64.3911 | 50 | -1.26 | 31 |
CH.DAVOX.HHZ. | 2021-10-18T18:16:04.53 | 0.6 | undecidable | manual | S | 107 | 58.497 | 50 | -0.85 | 38 |
CH.BNALP.HHZ. | 2021-10-18T18:16:03.32 | 0.6 | undecidable | manual | S | 263 | 54.8007 | 50 | -1.06 | 35 |
CH.FUORN.HHE. | 2021-10-18T18:16:02.80 | 0.1 | undecidable | manual | P | 112 | 92.0412 | 50 | 0.21 | 87 |
CH.BERNI.HHE. | 2021-10-18T18:16:01.99 | 0.1 | undecidable | manual | P | 130 | 88.4448 | 50 | -0.05 | 91 |
CH.FUSIO.HHZ. | 2021-10-18T18:15:58.22 | 0.1 | undecidable | manual | P | 215 | 64.3911 | 50 | -0.11 | 94 |
CH.DAVOX.HHZ. | 2021-10-18T18:15:57.25 | 0.3 | undecidable | manual | P | 107 | 58.497 | 50 | -0.17 | 70 |
CH.BNALP.HHZ. | 2021-10-18T18:15:56.72 | 0.1 | undecidable | manual | P | 263 | 54.8007 | 50 | -0.13 | 95 |
CH.PLONS.HHZ. | 2021-10-18T18:15:54.09 | 0.6 | undecidable | manual | S | 55 | 22.1556 | 109 | -0.59 | 45 |
CH.PLONS.HHZ. | 2021-10-18T18:15:51.08 | 0.1 | undecidable | manual | P | 55 | 22.1556 | 109 | -0.17 | 100 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
CH.PLONS.HHE. | ML:1.6 | 0.00024939455 | 0.4224 | AML | other | m | 2021-10-18T18:15:54.50 |
CH.PLONS.HHN. | ML:1.8 | 0.0004138851 | 0.3584 | AML | other | m | 2021-10-18T18:15:54.43 |
CH.BNALP.HHN. | ML:2.2 | 0.00034267419999999997 | 0.4096 | AML | other | m | 2021-10-18T18:16:04.01 |
CH.BNALP.HHE. | ML:1.8 | 0.00012772020000000002 | 0.4352 | AML | other | m | 2021-10-18T18:16:03.90 |
CH.DAVOX.HHN. | ML:2.8 | 0.00124912575 | 0.3072 | AML | other | m | 2021-10-18T18:16:05.06 |
CH.DAVOX.HHE. | ML:2.5 | 0.0007170000000000001 | 0.24 | AML | other | m | 2021-10-18T18:16:05.09 |
CH.FUSIO.HHN. | ML:2.3 | 0.0003769439 | 0.3456 | AML | other | m | 2021-10-18T18:16:06.12 |
CH.FUSIO.HHE. | ML:2.1 | 0.00022399105 | 0.6272 | AML | other | m | 2021-10-18T18:16:06.15 |
SI.ROSI.HHN. | ML:2.5 | 0.00012353664 | 0.3456 | AML | other | m | 2021-10-18T18:16:43.58 |
GU.TRAV.HHE. | ML:2.1 | 0.00004221391 | 0.2432 | AML | other | m | 2021-10-18T18:16:43.59 |
SI.ROSI.HHE. | ML:2.5 | 0.000125 | 0.48 | AML | other | m | 2021-10-18T18:16:45.31 |
GU.TRAV.HHN. | ML:2.2 | 0.00004935 | 0.22 | AML | other | m | 2021-10-18T18:16:45.09 |
OE.WTTA.HHN. | ML:2.3 | 0.000069509475 | 0.3584 | AML | other | m | 2021-10-18T18:16:47.19 |
GU.CIRO.HHE. | ML:2.0 | 0.000030200000000000002 | 0.5 | AML | other | m | 2021-10-18T18:16:48.37 |
GU.CIRO.HHN. | ML:2.0 | 0.00003095 | 0.6 | AML | other | m | 2021-10-18T18:16:48.24 |
OE.WTTA.HHE. | ML:2.2 | 0.0000511684 | 0.6144 | AML | other | m | 2021-10-18T18:16:49.22 |
IV.MRGE.HHE. | ML:2.1 | 0.000036489825000000006 | 0.4352 | AML | other | m | 2021-10-18T18:16:51.76 |
IV.MRGE.HHN. | ML:2.0 | 0.000030224077 | 0.3968 | AML | other | m | 2021-10-18T18:16:52.06 |
GU.LSD.HHN. | ML:1.8 | 0.00001583599 | 0.3584 | AML | other | m | 2021-10-18T18:17:00.64 |
GU.LSD.HHE. | ML:2.0 | 0.00002301477 | 0.9472 | AML | other | m | 2021-10-18T18:17:03.34 |