Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.2 on date 08-06-2020 and time 22:20:46 (Italy) in region Svizzera (SVIZZERA)

A magnitude ML 1.2 earthquake occured in region: Svizzera (SVIZZERA), on

  • 08-06-2020 20:20:46 (UTC)
  • 08-06-2020 22:20:46 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 46.8850, 9.6010 at 7 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.

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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 1.2 2020-06-08
20:20:46		 46.8848 9.6012 7 2020-11-19
12:36:53		 Bollettino Sismico Italiano INGV 81191751
Reviewed
Rev100 		ML 1.2 2020-06-08
20:20:46		 46.8658 9.5813 3 2020-06-08
20:30:48		 Sala Sismica INGV-Roma 80012181
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-06-08 20:20:46 ± 0.17
Latitude 46.8848 ± 0.0198
Longitude 9.6012 ± 0.0197
Depth (km) 7 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 81191751

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 2490
Semi-minor axis of confidence ellipse (meter) 641
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 31
Circular confidence region, given by single value of horizontal uncertainty (meter) 2490.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 161
Number of associated phases, regardless of their use for origin computation 18
Number of defining phases 12
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.41
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.80399
Number of stations at which the event was observed 13
Number of stations from which data was used for origin computation 7
Magnitudes information

ML:1.2

Field Value
Value 1.2
Uncertainty 0.3
Num. used stations 12
Type of magnitude ML
Reference to an origin 81191751
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-07-20 13:19:34

ML:1.2

Field Value
Value 1.2
Uncertainty 0.3
Num. used stations 12
Type of magnitude ML
Reference to an origin 80012181
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-06-08 20:30:48
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.ROSPO.HHZ. 2020-06-08T20:22:31.12 3.0 negative manual Pg 13.59 0
IV.BRSN.EHZ. 2020-06-08T20:22:16.83 3.0 undecidable manual Sn -0.57 0
IV.CSP1.EHZ. 2020-06-08T20:21:59.79 3.0 undecidable manual Pn 2.08 0
IV.ARVD.HHZ. 2020-06-08T20:21:53.94 3.0 positive manual Pn 2.32 0
IV.NDIM.HNZ. 2020-06-08T20:21:26.77 3.0 positive manual Pg 1.9 0
CH.FUSIO.HHZ. 2020-06-08T20:21:12.99 0.3 undecidable manual S 237 85.8474 50 -0.16 65
IV.ZONE.HHZ. 2020-06-08T20:21:10.42 3.0 undecidable manual P -0.4 0
CH.BERNI.HHZ. 2020-06-08T20:21:06.36 0.6 undecidable manual S 148 61.3941 50 -0.25 44
CH.BNALP.HHE. 2020-06-08T20:21:03.27 0.3 undecidable manual P 269 89.244 50 0.73 55
CH.FUSIO.HHZ. 2020-06-08T20:21:02.86 0.3 undecidable manual P 237 85.8474 50 0.83 53
MN.TUE.HHZ. 2020-06-08T20:21:02.73 0.3 undecidable manual S 203 49.7169 50 -0.77 58
CH.BERNI.HHZ. 2020-06-08T20:20:58.32 0.1 undecidable manual P 148 61.3941 50 0.07 92
CH.FUORN.HHE. 2020-06-08T20:20:57.60 0.1 undecidable manual P 120 58.2972 50 -0.17 91
MN.TUE.HHZ. 2020-06-08T20:20:56.68 0.3 undecidable manual P 203 49.7169 50 0.23 69
CH.PLONS.HHZ. 2020-06-08T20:20:55.17 0.3 undecidable manual S 318 24.753 105 -0.55 66
CH.DAVOX.HHZ. 2020-06-08T20:20:55.37 0.3 undecidable manual S 119 24.0537 106 -0.14 73
CH.DAVOX.HHZ. 2020-06-08T20:20:52.07 0.1 negative manual P 119 24.0537 106 0.23 96
CH.PLONS.HHZ. 2020-06-08T20:20:51.97 0.1 negative manual P 318 24.753 105 0 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
CH.PLONS.HHN. ML:1.4 0.000154 0.24 AML other m 2020-06-08T20:20:55.38
CH.PLONS.HHE. ML:1.2 0.00010535 0.4 AML other m 2020-06-08T20:20:55.39
CH.DAVOX.HHN. ML:2.0 0.0006639999999999999 0.16 AML other m 2020-06-08T20:20:55.63
CH.DAVOX.HHE. ML:1.9 0.000489 0.26 AML other m 2020-06-08T20:20:55.91
MN.TUE.HNE. ML:1.2 0.000042415334999999996 0.1024 AML other m 2020-06-08T20:21:03.19
MN.TUE.HHE. ML:1.3 0.00005155 1.42 AML other m 2020-06-08T20:21:03.90
MN.TUE.HHN. ML:1.0 0.0000309 0.24 AML other m 2020-06-08T20:21:03.34
MN.TUE.HNN. ML:0.9 0.0000223964405 0.0768 AML other m 2020-06-08T20:21:03.35
CH.BERNI.HHN. ML:0.9 0.00001628 0.22 AML other m 2020-06-08T20:21:07.00
CH.BERNI.HHE. ML:0.9 0.000014350000000000002 1.14 AML other m 2020-06-08T20:21:08.71
CH.FUSIO.HHN. ML:1.3 0.000024299999999999998 0.32 AML other m 2020-06-08T20:21:13.07
CH.FUSIO.HHE. ML:1.2 0.00001865 1.02 AML other m 2020-06-08T20:21:14.24
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