A magnitude ML 1.8 earthquake occured in region: Svizzera (SVIZZERA), on
and geographic coordinates (lat, lon) 46.9420, 9.1450 at 11 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 1.8 | 2020-12-21 09:11:29 |
46.9418 | 9.1452 | 11 | 2021-02-26 14:56:14 |
Bollettino Sismico Italiano INGV | 86123871 |
Reviewed Rev100 |
ML 1.8 | 2020-12-21 09:11:29 |
46.9387 | 9.1412 | 10 | 2020-12-21 09:26:49 |
Sala Sismica INGV-Roma | 85596941 |
Field | Value |
---|---|
Time (UTC) | 2020-12-21 09:11:29 ± 0.13 |
Latitude | 46.9418 ± 0.0054 |
Longitude | 9.1452 ± 0.0092 |
Depth (km) | 11 ± 0 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-INGV |
Event type | earthquake |
Origin ID | 86123871 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 845 |
Semi-minor axis of confidence ellipse (meter) | 327 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 309 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 850.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 154 |
Number of associated phases, regardless of their use for origin computation | 46 |
Number of defining phases | 24 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.43 |
Epicentral distance of station closest to the epicenter (degree) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 1.47309 |
Number of stations at which the event was observed | 33 |
Number of stations from which data was used for origin computation | 14 |
Field | Value |
---|---|
Value | 1.8 |
Uncertainty | 0.3 |
Num. used stations | 27 |
Type of magnitude | ML |
Reference to an origin | 85596941 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2020-12-21 09:26:49 |
Field | Value |
---|---|
Value | 1.8 |
Uncertainty | 0.3 |
Num. used stations | 23 |
Type of magnitude | ML |
Reference to an origin | 86123871 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2021-01-09 16:01:23 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
MN.TRI.HHZ. | 2020-12-21T09:13:28.20 | 3.0 | undecidable | manual | Sg | 21.85 | 0 | |||
IV.VULT.HHZ. | 2020-12-21T09:13:26.01 | 3.0 | undecidable | manual | Pn | 5.15 | 0 | |||
IV.RNI2.HHZ. | 2020-12-21T09:13:23.63 | 3.0 | negative | manual | Pg | 19.879999 | 0 | |||
IV.APEC.HNZ. | 2020-12-21T09:13:15.33 | 3.0 | undecidable | manual | Sn | -6.33 | 0 | |||
IV.VAGA.HHZ. | 2020-12-21T09:13:12.77 | 3.0 | positive | manual | Pn | 5.24 | 0 | |||
IT.LRNO.HNZ. | 2020-12-21T09:13:06.65 | 3.0 | positive | manual | Pn | -0.51 | 0 | |||
IT.FIE.HGZ. | 2020-12-21T09:13:04.49 | 3.0 | undecidable | manual | Sn | -1.97 | 0 | |||
IV.ARVD.HHZ. | 2020-12-21T09:12:51.77 | 3.0 | undecidable | manual | Pg | 15.26 | 0 | |||
IV.FDMO.HHZ. | 2020-12-21T09:12:46.48 | 3.0 | undecidable | manual | Pn | 3.98 | 0 | |||
IV.RIBO.EHZ.01 | 2020-12-21T09:12:44.79 | 3.0 | undecidable | manual | Pg | 10.5 | 0 | |||
IV.CSNT.HHZ. | 2020-12-21T09:12:40.37 | 3.0 | undecidable | manual | Pg | 11.95 | 0 | |||
IV.MTRZ.HNZ. | 2020-12-21T09:12:29.85 | 3.0 | undecidable | manual | Pg | 11.09 | 0 | |||
GU.CIRO.HHZ. | 2020-12-21T09:12:24.70 | 3.0 | undecidable | manual | Sg | 0.21 | 0 | |||
MN.TRI.HHZ. | 2020-12-21T09:12:22.63 | 3.0 | positive | manual | Pn | -1.57 | 0 | |||
IV.EUCT.HNZ. | 2020-12-21T09:12:20.91 | 3.0 | undecidable | manual | Sn | -2.95 | 0 | |||
IV.NDIM.HNZ. | 2020-12-21T09:12:16.30 | 3.0 | negative | manual | Pg | 6.95 | 0 | |||
CH.DIX.HHZ. | 2020-12-21T09:12:15.46 | 3.0 | undecidable | manual | S | 235 | 163.5141 | 90 | -0.02 | 0 |
GU.SATI.HHZ. | 2020-12-21T09:12:12.71 | 0.6 | undecidable | manual | S | 220 | 153.4353 | 90 | -0.09 | 39 |
CH.MMK.HHN. | 2020-12-21T09:12:07.70 | 0.6 | undecidable | manual | S | 223 | 133.866 | 90 | 0.13 | 39 |
GU.LSD.HHZ. | 2020-12-21T09:12:06.94 | 3.0 | positive | manual | Pg | 1.97 | 0 | |||
IV.BRES.EHZ. | 2020-12-21T09:12:05.71 | 3.0 | negative | manual | Pg | 3.68 | 0 | |||
GU.CIRO.HHZ. | 2020-12-21T09:12:01.46 | 3.0 | negative | manual | Pg | 0.78 | 0 | |||
CH.REMY.HHZ. | 2020-12-21T09:12:01.97 | 3.0 | undecidable | manual | P | 0 | ||||
GU.TRAV.HHZ. | 2020-12-21T09:12:01.14 | 3.0 | positive | manual | Pg | 0.58 | 0 | |||
CH.MUGIO.HHZ. | 2020-12-21T09:12:01.79 | 0.3 | undecidable | manual | S | 184 | 113.3976 | 90 | -0.34 | 61 |
CH.DIX.HHZ. | 2020-12-21T09:11:56.92 | 0.1 | undecidable | manual | P | 235 | 163.5141 | 90 | 0.92 | 55 |
CH.FUORN.HHZ. | 2020-12-21T09:11:56.28 | 1.0 | undecidable | manual | S | 112 | 92.1411 | 90 | -0.16 | 22 |
GU.SATI.HHZ. | 2020-12-21T09:11:55.28 | 0.3 | undecidable | manual | P | 220 | 153.4353 | 90 | 0.83 | 45 |
CH.BERNI.HHE. | 2020-12-21T09:11:54.90 | 0.6 | undecidable | manual | S | 131 | 88.8444 | 90 | -0.67 | 38 |
CH.MMK.HHN. | 2020-12-21T09:11:51.99 | 0.3 | undecidable | manual | P | 223 | 133.866 | 90 | 0.56 | 53 |
IV.VARE.HHN. | 2020-12-21T09:11:50.67 | 0.3 | undecidable | manual | P | 194 | 122.5884 | 90 | 0.97 | 46 |
SI.MOSI.HHE. | 2020-12-21T09:11:48.71 | 0.6 | undecidable | manual | P | 108 | 112.5984 | 90 | 0.54 | 38 |
CH.FUSIO.HHZ. | 2020-12-21T09:11:48.47 | 0.6 | undecidable | manual | S | 214 | 65.2902 | 90 | -0.81 | 39 |
CH.MUGIO.HHZ. | 2020-12-21T09:11:48.74 | 0.1 | undecidable | manual | P | 184 | 113.3976 | 90 | 0.45 | 77 |
IV.BRMO.HHZ. | 2020-12-21T09:11:47.17 | 1.0 | undecidable | manual | P | 119 | 106.7154 | 90 | -0.08 | 21 |
CH.DAVOX.HHZ. | 2020-12-21T09:11:47.40 | 0.3 | undecidable | manual | S | 108 | 58.497 | 90 | -0.07 | 70 |
CH.FUORN.HHZ. | 2020-12-21T09:11:45.52 | 0.3 | undecidable | manual | P | 112 | 92.1411 | 90 | 0.51 | 60 |
CH.BNALP.HHZ. | 2020-12-21T09:11:45.90 | 0.3 | undecidable | manual | S | 262 | 55.1004 | 90 | -0.67 | 61 |
MN.TUE.HHZ. | 2020-12-21T09:11:44.70 | 0.3 | undecidable | manual | S | 163 | 54.3012 | 90 | -1.65 | 38 |
CH.BERNI.HHE. | 2020-12-21T09:11:44.66 | 0.6 | undecidable | manual | P | 131 | 88.8444 | 90 | 0.15 | 43 |
CH.FUSIO.HHZ. | 2020-12-21T09:11:40.71 | 0.3 | undecidable | manual | P | 214 | 65.2902 | 90 | -0.16 | 69 |
CH.BNALP.HHZ. | 2020-12-21T09:11:39.47 | 0.3 | undecidable | manual | P | 262 | 55.1004 | 90 | 0.16 | 69 |
CH.DAVOX.HHZ. | 2020-12-21T09:11:39.99 | 0.3 | undecidable | manual | P | 108 | 58.497 | 90 | 0.16 | 69 |
MN.TUE.HHZ. | 2020-12-21T09:11:38.72 | 0.3 | undecidable | manual | P | 163 | 54.3012 | 90 | -0.46 | 66 |
CH.PLONS.HHZ. | 2020-12-21T09:11:37.30 | 0.1 | undecidable | manual | S | 56 | 21.4674 | 91 | -0.27 | 94 |
CH.PLONS.HHZ. | 2020-12-21T09:11:34.09 | 0.1 | undecidable | manual | P | 56 | 21.4674 | 91 | -0.02 | 100 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
CH.PLONS.HHN. | ML:2.2 | 0.0009513832499999998 | 1.8848 | AML | other | m | 2020-12-21T09:11:37.96 |
CH.PLONS.HHE. | ML:2.0 | 0.0006021155 | 1.8784 | AML | other | m | 2020-12-21T09:11:38.97 |
MN.TUE.HNE. | ML:1.9 | 0.00017419668000000002 | 0.1792 | AML | other | m | 2020-12-21T09:11:44.98 |
MN.TUE.HHE. | ML:1.9 | 0.000175040525 | 0.1792 | AML | other | m | 2020-12-21T09:11:44.98 |
MN.TUE.HHN. | ML:1.6 | 0.00009957311499999999 | 0.32 | AML | other | m | 2020-12-21T09:11:45.28 |
MN.TUE.HNN. | ML:1.6 | 0.000092439655 | 0.32 | AML | other | m | 2020-12-21T09:11:45.29 |
CH.BNALP.HHN. | ML:1.7 | 0.00011852735000000001 | 0.3136 | AML | other | m | 2020-12-21T09:11:46.20 |
CH.BNALP.HHE. | ML:1.5 | 0.00007368034499999999 | 0.4032 | AML | other | m | 2020-12-21T09:11:47.56 |
CH.DAVOX.HHN. | ML:2.0 | 0.00023336105 | 0.32 | AML | other | m | 2020-12-21T09:11:47.81 |
CH.DAVOX.HHE. | ML:1.9 | 0.0001793988 | 0.2496 | AML | other | m | 2020-12-21T09:11:47.84 |
CH.FUSIO.HHE. | ML:1.8 | 0.00012679902499999998 | 0.2112 | AML | other | m | 2020-12-21T09:11:48.65 |
CH.FUORN.HHN. | ML:1.4 | 0.000022691164999999998 | 1.3152 | AML | other | m | 2020-12-21T09:11:59.89 |
CH.FUORN.HHE. | ML:1.2 | 0.000019401019999999997 | 0.3392 | AML | other | m | 2020-12-21T09:12:01.43 |
CH.MUGIO.HHE. | ML:2.0 | 0.0000815106 | 0.2688 | AML | other | m | 2020-12-21T09:12:02.09 |
IV.BRMO.HHN. | ML:1.2 | 0.00001561022 | 0.2624 | AML | other | m | 2020-12-21T09:12:02.80 |
CH.MUGIO.HHN. | ML:1.9 | 0.00006607246 | 0.384 | AML | other | m | 2020-12-21T09:12:03.46 |
IV.VARE.HHE. | ML:2.0 | 0.0000792 | 0.2 | AML | other | m | 2020-12-21T09:12:07.36 |
IV.BRMO.HHE. | ML:1.2 | 0.000012778925 | 0.256 | AML | other | m | 2020-12-21T09:12:11.59 |
CH.DIX.HHN. | ML:2.7 | 0.00023020439999999997 | 1.5776 | AML | other | m | 2020-12-21T09:12:21.88 |
CH.DIX.HHE. | ML:2.5 | 0.00013393505 | 1.5392 | AML | other | m | 2020-12-21T09:12:22.90 |
GU.SATI.HHN. | ML:1.7 | 0.00002570428 | 0.416 | AML | other | m | 2020-12-21T09:12:23.33 |
GU.SATI.HHE. | ML:1.7 | 0.000025838285000000002 | 0.4224 | AML | other | m | 2020-12-21T09:12:24.30 |
IV.VARE.HHN. | ML:1.8 | 0.000051458925000000005 | 0.1408 | AML | other | m | 2020-12-21T09:12:09.51 |