Earthquake with magnitude of ML 1.9 on date 27-10-2020 and time 06:54:45 (UTC) in region Svizzera (SVIZZERA)

A magnitude ML 1.9 earthquake occured in region: Svizzera (SVIZZERA), on

  • 27-10-2020 06:54:45 (UTC)
  • 27-10-2020 07:54:45 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 46.92, 9.15 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.

Municipalities within 20 km from the epicenter

No Italian municipalities within 20 km distance.

Municipalities with at least 50000 inhabitants

No Italian municipalities within 100 km from the epicenter with at least 50000 inhabitants.

Recent and historical seismicity
Seismic hazard
Shakemap
Felt maps
Locations history
Type Magnitude Date and Time (UTC) Latitude Longitude Depth (km) Published time (UTC) Author Location ID
Bulletin
Rev1000
ML 1.9 2020-10-27
06:54:45
46.92 9.15 9 2021-02-26
14:56:13
Bollettino Sismico Italiano INGV 86026561
Reviewed
Rev100
ML 1.8 2020-10-27
06:54:44
46.91 9.14 8 2020-10-27
07:08:44
Sala Sismica INGV-Roma 84173471
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-10-27 06:54:45 ± 0.28
Latitude 46.92 ± 0.02
Longitude 9.15 ± 0.01
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 86026561

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 2308
Semi-minor axis of confidence ellipse (meter) 1162
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 359
Circular confidence region, given by single value of horizontal uncertainty (meter) 2310
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 145
Number of associated phases, regardless of their use for origin computation 34
Number of defining phases 21
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.48
Epicentral distance of station closest to the epicenter (degree) 0
Epicentral distance of station farthest from the epicenter (degree) 1.7249
Number of stations at which the event was observed 27
Number of stations from which data was used for origin computation 15
Magnitudes information

ML:1.9

Field Value
Value 1.9
Uncertainty 0.3
Num. used stations 18
Type of magnitude ML
Reference to an origin 86026561
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2021-01-05 10:05:24

ML:1.8

Field Value
Value 1.8
Uncertainty 0.2
Num. used stations 14
Type of magnitude ML
Reference to an origin 84173471
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-10-27 07:08:44
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
IV.CPGN.EHZ. 2020-10-27T06:56:40.81 3.0 undecidable manual Sg 6.3 0
IV.PAOL.HHZ. 2020-10-27T06:56:35.00 3.0 undecidable manual Pn 3.86 0
IT.FIE.HGZ. 2020-10-27T06:56:30.75 3.0 undecidable manual Sg 5.5 0
IT.LRNO.HNZ. 2020-10-27T06:56:28.60 3.0 negative manual Pn 4.18 0
IV.RCAV.EHZ. 2020-10-27T06:56:27.60 3.0 undecidable manual Pg 14.5 0
IV.VAGA.HHZ. 2020-10-27T06:56:26.95 3.0 positive manual Pn 2.12 0
IV.FAGN.HHZ. 2020-10-27T06:56:26.35 3.0 negative manual Pg 14.96 0
IV.FIR.HHZ. 2020-10-27T06:56:23.48 3.0 undecidable manual Sn -2.22 0
IV.PTRJ.HHZ. 2020-10-27T06:56:22.65 3.0 undecidable manual Pn -4.42 0
IV.BRSN.EHZ. 2020-10-27T06:56:17.59 3.0 undecidable manual Sn -4.85 0
IV.PE3.EHZ. 2020-10-27T06:55:57.88 3.0 positive manual Pg 8.91 0
IV.APEC.HHZ. 2020-10-27T06:55:52.27 3.0 negative manual Pn 2.17 0
IV.FIR.HHZ. 2020-10-27T06:55:39.54 3.0 undecidable manual Pn -2.3 0
OE.WTTA.HHZ. 2020-10-27T06:55:16.90 0.3 undecidable manual P 78 1.7249 38 1.08 35
SI.ROSI.HHZ. 2020-10-27T06:55:15.59 0.6 undecidable manual P 89 1.5423 50 2.47 8
CH.DIX.HHN. 2020-10-27T06:55:12.36 0.3 undecidable manual P 236 1.4641 50 0.57 51
GU.SATI.HHZ. 2020-10-27T06:55:10.93 0.3 undecidable manual P 221 1.3688 50 0.78 49
CH.BERNI.HHE. 2020-10-27T06:55:10.97 0.6 undecidable manual S 130 0.7833 50 -0.2 45
CH.MMK.HHN. 2020-10-27T06:55:07.40 0.3 undecidable manual P 224 1.1934 50 0.25 61
IV.VARE.HHZ. 2020-10-27T06:55:06.30 0.3 undecidable manual P 194 1.0846 50 1.01 47
CH.MUGIO.HHN. 2020-10-27T06:55:04.43 0.3 undecidable manual P 184 1.0009 50 0.57 58
SI.MOSI.HHZ. 2020-10-27T06:55:04.25 0.3 undecidable manual P 107 1.0036 50 0.35 62
CH.FUSIO.HHZ. 2020-10-27T06:55:03.73 0.6 undecidable manual S 216 0.5738 50 -1.23 32
CH.DAVOX.HHZ. 2020-10-27T06:55:02.87 0.6 undecidable manual S 105 0.5162 50 -0.4 45
CH.BNALP.HHZ. 2020-10-27T06:55:01.78 0.6 undecidable manual S 265 0.4991 50 -0.98 37
MN.TUE.HHZ. 2020-10-27T06:55:00.26 0.6 undecidable manual S 163 0.4676 50 -1.56 27
CH.BERNI.HHE. 2020-10-27T06:55:00.21 0.1 undecidable manual P 130 0.7833 50 0.08 92
CH.FUORN.HHZ. 2020-10-27T06:55:00.95 0.1 undecidable manual P 111 0.8175 50 0.23 88
CH.FUSIO.HHZ. 2020-10-27T06:54:56.32 0.1 undecidable manual P 216 0.5738 50 -0.22 93
CH.DAVOX.HHZ. 2020-10-27T06:54:55.53 0.1 negative manual P 105 0.5162 50 -0.04 98
CH.BNALP.HHZ. 2020-10-27T06:54:55.15 0.1 undecidable manual P 265 0.4991 50 -0.12 97
MN.TUE.HHZ. 2020-10-27T06:54:54.31 0.1 undecidable manual P 163 0.4676 50 -0.42 91
CH.PLONS.HHZ. 2020-10-27T06:54:52.77 0.6 undecidable manual S 50 0.2023 112 -0.65 45
CH.PLONS.HHZ. 2020-10-27T06:54:49.64 0.1 positive manual P 50 0.2023 112 -0.24 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
CH.PLONS.HHE. ML:1.8 0.000432 0.86 AML other m 2020-10-27T06:54:52.89
CH.PLONS.HHN. ML:2 0.0006745 0.1 AML other m 2020-10-27T06:54:53.49
MN.TUE.HHE. ML:1.9 0.0002075 0.22 AML other m 2020-10-27T06:55:00.57
MN.TUE.HNE. ML:1.9 0.0002115 0.94 AML other m 2020-10-27T06:55:01.57
MN.TUE.HNN. ML:1.6 9.7E-5 0.48 AML other m 2020-10-27T06:55:02.32
CH.BNALP.HHN. ML:1.8 0.0001605 0.64 AML other m 2020-10-27T06:55:02.61
MN.TUE.HHN. ML:1.6 9.51E-5 0.22 AML other m 2020-10-27T06:55:02.56
CH.BNALP.HHE. ML:1.8 0.0001315 0.3 AML other m 2020-10-27T06:55:02.84
CH.DAVOX.HHE. ML:2.2 0.0003895 0.38 AML other m 2020-10-27T06:55:03.33
CH.DAVOX.HHN. ML:2.5 0.000663 0.4 AML other m 2020-10-27T06:55:03.28
CH.FUSIO.HHE. ML:1.9 0.0001455 1.56 AML other m 2020-10-27T06:55:03.19
CH.FUSIO.HHN. ML:1.9 0.00014 0.9 AML other m 2020-10-27T06:55:04.47
CH.FUORN.HHN. ML:1.5 4.065E-5 0.42 AML other m 2020-10-27T06:55:14.44
CH.FUORN.HHE. ML:1.4 3.195E-5 0.54 AML other m 2020-10-27T06:55:14.46
SI.ROSI.HHE. ML:2.4 0.0001005 0.96 AML other m 2020-10-27T06:55:41.37
SI.ROSI.HHN. ML:2.4 0.00010025 0.72 AML other m 2020-10-27T06:55:42.40
OE.WTTA.HHE. ML:2.2 5.155E-5 1.64 AML other m 2020-10-27T06:55:46.15
OE.WTTA.HHN. ML:2.3 7.165E-5 1.12 AML other m 2020-10-27T06:55:46.84
IV.APEC.HHE. ML:3.3 7.875E-5 0.46 AML other m 2020-10-27T06:55:54.54
IV.APEC.HHN. ML:3.4 9.765E-5 0.44 AML other m 2020-10-27T06:56:17.30
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Download
Type Description Link
QuakeML - small Event, Origin, FocalMechanism Download
QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download