Earthquake with magnitude of ML 2.2 on date 25-10-2020 and time 20:39:36 (Italy) in region Svizzera (SVIZZERA)

A magnitude ML 2.2 earthquake occured in region: Svizzera (SVIZZERA), on

  • 25-10-2020 19:39:36 (UTC)
  • 25-10-2020 20:39:36 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 46.9350, 9.1470 at 10 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 2.2 2020-10-25
19:39:36
46.9352 9.1468 10 2021-02-26
14:56:20
Bollettino Sismico Italiano INGV 87444361
Reviewed
Rev100
ML 2.2 2020-10-25
19:39:36
46.9142 9.1448 8 2020-10-25
19:56:24
Sala Sismica INGV-Roma 84126821
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-10-25 19:39:36 ± 0.27
Latitude 46.9352 ± 0.0234
Longitude 9.1468 ± 0.0145
Depth (km) 10 ± 3 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 87444361

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 2428
Semi-minor axis of confidence ellipse (meter) 1119
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 358
Circular confidence region, given by single value of horizontal uncertainty (meter) 2430.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 151
Number of associated phases, regardless of their use for origin computation 25
Number of defining phases 25
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.49
Epicentral distance of station closest to the epicenter (degree) 0.19605
Epicentral distance of station farthest from the epicenter (degree) 2.02797
Number of stations at which the event was observed 17
Number of stations from which data was used for origin computation 17
Magnitudes information

ML:2.2

Field Value
Value 2.2
Uncertainty 0.3
Num. used stations 21
Type of magnitude ML
Reference to an origin 84126821
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-10-25 19:56:24

ML:2.2

Field Value
Value 2.2
Uncertainty 0.3
Num. used stations 22
Type of magnitude ML
Reference to an origin 87444361
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2021-02-24 14:59:37
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
GU.LSD.HHZ. 2020-10-25T19:40:13.36 1.0 undecidable manual P 224 225.108 38 2.03 5
OE.WTTA.HHZ. 2020-10-25T19:40:10.25 0.6 undecidable manual P 78 191.4639 38 3.1 2
CH.MUGIO.HHZ. 2020-10-25T19:40:08.43 0.6 undecidable manual S 184 112.6983 50 -0.86 35
GU.TRAV.HHZ. 2020-10-25T19:40:06.55 0.3 undecidable manual P 215 190.9644 38 -0.54 45
IV.MAGA.HHZ. 2020-10-25T19:40:06.08 0.3 undecidable manual P 138 171.495 50 1.55 30
CH.FUORN.HHZ. 2020-10-25T19:40:04.49 0.6 undecidable manual S 112 91.7415 50 0.8 37
SI.ROSI.HHZ. 2020-10-25T19:40:04.41 0.3 undecidable manual P 89 171.5949 50 -0.13 54
ST.RONC.EHZ. 2020-10-25T19:40:02.68 0.3 undecidable manual P 133 154.7229 50 0.74 50
GU.SATI.HHZ. 2020-10-25T19:40:02.60 0.3 undecidable manual P 220 152.9358 50 0.94 46
CH.BERNI.HHZ. 2020-10-25T19:40:02.50 0.6 undecidable manual S 131 88.3449 50 -0.28 44
CH.MMK.HHZ. 2020-10-25T19:39:59.23 0.3 undecidable manual P 223 133.3665 50 0.58 56
IV.VARE.HHZ. 2020-10-25T19:39:57.87 0.3 undecidable manual P 194 121.8891 50 0.99 48
CH.MUGIO.HHZ. 2020-10-25T19:39:56.23 0.3 undecidable manual P 184 112.6983 50 0.77 54
CH.FUSIO.HHZ. 2020-10-25T19:39:55.34 0.3 undecidable manual S 215 64.7907 50 -1.15 50
CH.DAVOX.HHZ. 2020-10-25T19:39:54.31 0.6 undecidable manual S 107 58.1973 50 -0.42 45
CH.BNALP.HHZ. 2020-10-25T19:39:53.45 0.6 undecidable manual S 263 55.2003 50 -0.48 45
CH.FUORN.HHZ. 2020-10-25T19:39:52.48 0.1 undecidable manual P 112 91.7415 50 0.25 89
CH.BERNI.HHZ. 2020-10-25T19:39:51.69 0.3 undecidable manual P 131 88.3449 50 -0.01 70
MN.TUE.HHZ. 2020-10-25T19:39:51.86 0.6 undecidable manual S 163 53.6019 50 -1.65 26
CH.FUSIO.HHZ. 2020-10-25T19:39:47.87 0.1 undecidable manual P 215 64.7907 50 -0.2 94
CH.DAVOX.HHZ. 2020-10-25T19:39:47.02 0.3 undecidable manual P 107 58.1973 50 -0.03 74
CH.BNALP.HHZ. 2020-10-25T19:39:46.77 0.3 undecidable manual P 263 55.2003 50 0.18 72
MN.TUE.HHZ. 2020-10-25T19:39:45.91 0.3 undecidable manual P 163 53.6019 50 -0.44 68
CH.PLONS.HHZ. 2020-10-25T19:39:44.21 0.6 undecidable manual S 54 21.7671 115 -0.71 44
CH.PLONS.HHZ. 2020-10-25T19:39:41.11 0.1 undecidable manual P 54 21.7671 115 -0.28 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
CH.PLONS.HHE. ML:2.1 0.0009059999999999999 0.34 AML other m 2020-10-25T19:39:44.37
CH.PLONS.HHN. ML:2.2 0.0011435 0.46 AML other m 2020-10-25T19:39:44.71
MN.TUE.HNE. ML:2.0 0.000232 1.76 AML other m 2020-10-25T19:39:51.95
MN.TUE.HHE. ML:2.0 0.00023249999999999999 1.76 AML other m 2020-10-25T19:39:51.95
MN.TUE.HHN. ML:1.8 0.000136 0.6 AML other m 2020-10-25T19:39:52.27
MN.TUE.HNN. ML:1.7 0.0001305 1.44 AML other m 2020-10-25T19:39:52.27
CH.BNALP.HHN. ML:1.8 0.000144794 0.2304 AML other m 2020-10-25T19:39:54.16
CH.DAVOX.HHE. ML:2.4 0.000647 1.1 AML other m 2020-10-25T19:39:54.06
CH.BNALP.HHE. ML:1.6 0.000090248965 0.1792 AML other m 2020-10-25T19:39:54.66
CH.DAVOX.HHN. ML:2.8 0.00127 0.36 AML other m 2020-10-25T19:39:54.90
CH.FUSIO.HHE. ML:2.4 0.000488 0.18 AML other m 2020-10-25T19:39:55.61
CH.FUSIO.HHN. ML:2.3 0.0003935 0.46 AML other m 2020-10-25T19:39:55.41
CH.MUGIO.HHE. ML:2.2 0.00012141725000000001 0.32 AML other m 2020-10-25T19:40:09.26
CH.MUGIO.HHN. ML:2.2 0.000132198 0.2944 AML other m 2020-10-25T19:40:11.25
CH.MMK.HHN. ML:1.5 0.00002148621 0.3072 AML other m 2020-10-25T19:40:18.28
IV.VARE.HHE. ML:2.4 0.00018010055000000004 0.2816 AML other m 2020-10-25T19:40:19.81
CH.MMK.HHE. ML:1.5 0.00001778037 0.4864 AML other m 2020-10-25T19:40:20.49
IV.VARE.HHN. ML:2.3 0.0001544738 0.32 AML other m 2020-10-25T19:40:20.44
GU.SATI.HHE. ML:2.2 0.000082849135 0.6016 AML other m 2020-10-25T19:40:27.51
GU.SATI.HHN. ML:2.1 0.00006497275499999999 0.4096 AML other m 2020-10-25T19:40:29.45
SI.ROSI.HHN. ML:2.5 0.00013996636 0.3072 AML other m 2020-10-25T19:40:34.34
SI.ROSI.HHE. ML:2.5 0.0001353433 1.3216 AML other m 2020-10-25T19:40:34.92
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
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Type Description Link
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