Earthquake with magnitude of ML 2.4 on date 27-10-2020 and time 11:53:53 (UTC) in region Svizzera (SVIZZERA)

A magnitude ML 2.4 earthquake occured in region: Svizzera (SVIZZERA), on

  • 27-10-2020 11:53:53 (UTC)
  • 27-10-2020 12:53:53 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 46.9290, 9.1300 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 2.4 2020-10-27
11:53:53
46.9288 9.1298 9 2021-02-26
14:56:13
Bollettino Sismico Italiano INGV 86026881
Reviewed
Rev100
ML 2.2 2020-10-27
11:53:53
46.9185 9.1472 11 2020-10-27
12:01:32
Sala Sismica INGV-Roma 84179181
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-10-27 11:53:53 ± 0.33
Latitude 46.9288 ± 0.0252
Longitude 9.1298 ± 0.0184
Depth (km) 9 ± 4 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 86026881

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 2546
Semi-minor axis of confidence ellipse (meter) 1571
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 7
Circular confidence region, given by single value of horizontal uncertainty (meter) 2550.0
Confidence level of the uncertainty (%) 68

Quality

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 26
Number of defining phases 26
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.56
Epicentral distance of station closest to the epicenter (degree) 0.20864
Epicentral distance of station farthest from the epicenter (degree) 1.86160
Number of stations at which the event was observed 18
Number of stations from which data was used for origin computation 18
Magnitudes information

ML:2.2

Field Value
Value 2.2
Uncertainty 0.3
Num. used stations 14
Type of magnitude ML
Reference to an origin 84179181
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-10-27 12:01:32

ML:2.4

Field Value
Value 2.4
Uncertainty 0.3
Num. used stations 34
Type of magnitude ML
Reference to an origin 86026881
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2021-01-05 10:20:07
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
GU.SATI.HHZ. 2020-10-27T11:54:37.19 0.6 undecidable manual S 220 151.5372 50 0.71 34
GU.BLANC.HHZ. 2020-10-27T11:54:28.24 0.3 undecidable manual P 235 206.6376 38 2.46 11
OE.WTTA.HHZ. 2020-10-27T11:54:27.47 0.3 undecidable manual P 78 192.8625 38 3.4 2
IV.VARE.HHZ. 2020-10-27T11:54:27.75 0.6 undecidable manual S 193 120.8901 50 -0.55 39
SI.KOSI.HHZ. 2020-10-27T11:54:25.01 1.0 undecidable manual P 106 178.6878 38 2.71 3
CH.MUGIO.HHZ. 2020-10-27T11:54:24.88 0.6 undecidable manual S 183 111.8991 50 -1.02 32
SI.ROSI.HHZ. 2020-10-27T11:54:24.09 0.3 undecidable manual P 89 172.8936 50 2.64 9
IV.MAGA.HHZ. 2020-10-27T11:54:23.12 0.3 undecidable manual P 138 171.8946 50 1.83 25
GU.TRAV.HHZ. 2020-10-27T11:54:23.98 0.3 undecidable manual P 215 189.5658 38 0.32 48
IV.APPI.EHZ. 2020-10-27T11:54:22.24 0.3 undecidable manual P 107 167.2104 50 1.66 29
CH.DIX.HHZ. 2020-10-27T11:54:20.44 0.6 undecidable manual P 235 161.7159 50 0.72 32
ST.RONC.EHZ. 2020-10-27T11:54:19.42 0.6 undecidable manual P 132 155.2224 50 0.7 34
GU.SATI.HHZ. 2020-10-27T11:54:18.88 0.1 undecidable manual P 220 151.5372 50 0.72 68
IV.VARE.HHZ. 2020-10-27T11:54:14.07 0.3 undecidable manual P 193 120.8901 50 0.63 56
CH.MUGIO.HHZ. 2020-10-27T11:54:12.37 0.3 undecidable manual P 183 111.8991 50 0.32 63
CH.DAVOX.HHZ. 2020-10-27T11:54:11.16 0.6 undecidable manual S 106 59.1963 50 -0.67 42
CH.FUSIO.HHZ. 2020-10-27T11:54:11.66 0.6 undecidable manual S 214 63.492 50 -1.3 31
CH.BNALP.HHZ. 2020-10-27T11:54:09.44 0.3 undecidable manual S 263 53.8017 50 -0.95 56
CH.FUORN.HHZ. 2020-10-27T11:54:09.30 0.1 negative manual P 111 92.6406 50 0.21 89
MN.TUE.HHZ. 2020-10-27T11:54:08.47 0.6 undecidable manual S 162 53.3022 50 -1.78 23
CH.FUSIO.HHZ. 2020-10-27T11:54:04.32 0.1 positive manual P 214 63.492 50 -0.26 93
CH.BNALP.HHZ. 2020-10-27T11:54:03.06 0.1 undecidable manual P 263 53.8017 50 -0.04 99
CH.DAVOX.HHZ. 2020-10-27T11:54:03.74 0.1 negative manual P 106 59.1963 50 -0.19 95
MN.TUE.HHZ. 2020-10-27T11:54:02.65 0.1 undecidable manual P 162 53.3022 50 -0.37 93
CH.PLONS.HHZ. 2020-10-27T11:54:01.13 0.3 undecidable manual S 55 23.1546 111 -0.65 67
CH.PLONS.HHZ. 2020-10-27T11:53:57.85 0.1 positive manual P 55 23.1546 111 -0.27 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
CH.PLONS.HHE. ML:2.3 0.001215 0.2 AML other m 2020-10-27T11:54:01.33
CH.PLONS.HHN. ML:2.4 0.00176 0.94 AML other m 2020-10-27T11:54:01.36
MN.TUE.HHN. ML:2.1 0.00030649999999999997 0.9 AML other m 2020-10-27T11:54:08.43
MN.TUE.HNN. ML:2.1 0.00031899999999999995 0.92 AML other m 2020-10-27T11:54:08.43
MN.TUE.HNE. ML:2.4 0.0006025000000000001 0.96 AML other m 2020-10-27T11:54:09.72
MN.TUE.HHE. ML:2.4 0.000614 0.96 AML other m 2020-10-27T11:54:09.72
CH.BNALP.HHN. ML:2.2 0.000363 1.48 AML other m 2020-10-27T11:54:10.77
CH.BNALP.HHE. ML:2.0 0.0002385 0.34 AML other m 2020-10-27T11:54:11.19
CH.DAVOX.HHE. ML:2.5 0.0007130000000000001 0.38 AML other m 2020-10-27T11:54:11.66
CH.DAVOX.HHN. ML:2.7 0.001105 0.8 AML other m 2020-10-27T11:54:11.59
CH.FUSIO.HHN. ML:2.1 0.00025 1.6 AML other m 2020-10-27T11:54:11.94
CH.FUSIO.HHE. ML:2.1 0.000251 0.22 AML other m 2020-10-27T11:54:12.37
CH.FUORN.HHE. ML:1.8 0.0000634 0.42 AML other m 2020-10-27T11:54:22.78
CH.FUORN.HHN. ML:1.7 0.0000596 0.34 AML other m 2020-10-27T11:54:23.47
CH.MUGIO.HHE. ML:2.4 0.00022950000000000002 0.24 AML other m 2020-10-27T11:54:25.61
GU.SATI.HHE. ML:2.2 0.00007675 0.48 AML other m 2020-10-27T11:54:26.37
IV.MAGA.HHN. ML:2.7 0.000212 1.62 AML other m 2020-10-27T11:54:26.07
CH.MUGIO.HHN. ML:2.4 0.00021200000000000003 0.26 AML other m 2020-10-27T11:54:27.26
IV.VARE.HHE. ML:2.6 0.000261 0.4 AML other m 2020-10-27T11:54:29.44
IV.VARE.HHN. ML:2.4 0.00019600000000000002 1.04 AML other m 2020-10-27T11:54:30.06
CH.DIX.HHE. ML:2.9 0.00038149999999999995 0.44 AML other m 2020-10-27T11:54:45.37
CH.DIX.HHN. ML:3.2 0.0007444999999999999 0.38 AML other m 2020-10-27T11:54:45.57
GU.SATI.HHN. ML:2.2 0.0000679 0.36 AML other m 2020-10-27T11:54:46.89
ST.RONC.EHN. ML:2.6 0.00020950000000000002 0.8 AML other m 2020-10-27T11:54:47.42
IV.APPI.EHE. ML:2.3 0.0000891 1.06 AML other m 2020-10-27T11:54:48.55
IV.APPI.EHN. ML:2.4 0.00011064999999999999 0.42 AML other m 2020-10-27T11:54:48.78
ST.RONC.EHE. ML:2.4 0.00013345000000000002 0.62 AML other m 2020-10-27T11:54:48.53
SI.ROSI.HHN. ML:2.8 0.000225 0.38 AML other m 2020-10-27T11:54:50.91
SI.ROSI.HHE. ML:2.8 0.0002395 0.38 AML other m 2020-10-27T11:54:50.70
IV.MAGA.HHE. ML:2.8 0.000244 1.32 AML other m 2020-10-27T11:54:52.75
OE.WTTA.HHE. ML:2.6 0.000116 0.92 AML other m 2020-10-27T11:54:53.75
OE.WTTA.HHN. ML:2.6 0.0001365 0.94 AML other m 2020-10-27T11:54:54.66
GU.TRAV.HHN. ML:2.3 0.00006254999999999999 0.34 AML other m 2020-10-27T11:54:56.16
GU.TRAV.HHE. ML:2.2 0.000056750000000000004 1.32 AML other m 2020-10-27T11:54:56.99
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
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