Earthquake with magnitude of ML 1.7 on date 20-09-2014 and time 02:25:36 (Italy) in region Confine Italia Svizzera (SVIZZERA)

A magnitude ML 1.7 earthquake occured in region: Confine Italia Svizzera (SVIZZERA), on

  • 20-09-2014 00:25:36 (UTC)
  • 20-09-2014 02:25:36 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 46.1960, 7.2370 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 1.7 2014-09-20
00:25:36
46.1958 7.237 10 2015-09-21
09:39:02
Bollettino Sismico Italiano INGV 16849111
Reviewed
Rev100
ML 1.7 2014-09-20
00:25:36
46.2033 7.245 11 2014-10-21
12:08:56
Sala Sismica INGV-Roma 8424531
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2014-09-20 00:25:36 ± 0.22
Latitude 46.1958 ± 0.0081
Longitude 7.2370 ± 0.0143
Depth (km) 10 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 16849111

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1072
Semi-minor axis of confidence ellipse (meter) 537
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 121
Circular confidence region, given by single value of horizontal uncertainty (meter) 1070.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 113
Number of associated phases, regardless of their use for origin computation 20
Number of defining phases 18
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.31
Epicentral distance of station closest to the epicenter (degree) 0.16548
Epicentral distance of station farthest from the epicenter (degree) 2.64401
Number of stations at which the event was observed 14
Number of stations from which data was used for origin computation 13
Magnitudes information

ML:1.7

Field Value
Value 1.7
Uncertainty 0.2
Num. used stations 8
Type of magnitude ML
Reference to an origin 16849111
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2015-02-02 08:56:53

ML:1.7

Field Value
Value 1.7
Uncertainty 0.2
Num. used stations 11
Type of magnitude ML
Reference to an origin 8424531
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2014-09-20 00:33:08
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
GU.GRAM.HHZ. 2014-09-20T00:26:50.99 3.0 undecidable manual Sn 293.484 -0.95 0
GU.GRAM.HHZ. 2014-09-20T00:26:18.82 3.0 undecidable manual Pn 293.484 0.19 0
CH.BNALP.HHE. 2014-09-20T00:26:10.46 0.3 undecidable manual S 50 117.5934 50 -0.21 61
MN.TUE.HHZ. 2014-09-20T00:26:04.30 0.3 undecidable manual P 78 164.5131 50 0.79 44
GU.RRL.HHE. 2014-09-20T00:26:01.20 0.3 undecidable manual P 194 145.6431 50 0.6 52
GU.LSD.HHZ. 2014-09-20T00:26:01.47 0.6 undecidable manual S 186 82.0512 50 0.27 43
CH.MUGIO.HHZ. 2014-09-20T00:26:00.49 0.3 undecidable manual P 102 142.2465 50 0.42 55
CH.BNALP.HHE. 2014-09-20T00:25:57.09 0.6 undecidable manual P 50 117.5934 50 0.82 33
CH.FUSIO.HHZ. 2014-09-20T00:25:55.43 0.1 undecidable manual P 75 112.998 50 -0.14 83
IV.MRGE.HHZ. 2014-09-20T00:25:52.26 0.3 undecidable manual S 196 49.2174 50 -0.16 70
GU.LSD.HHZ. 2014-09-20T00:25:51.32 0.6 undecidable manual P 186 82.0512 50 0.51 40
GU.TRAV.HHZ. 2014-09-20T00:25:51.46 0.3 undecidable manual P 152 85.4478 50 0.14 66
CH.GIMEL.HHZ. 2014-09-20T00:25:50.74 0.1 undecidable manual P 297 83.25 50 -0.25 86
GU.REMY.HHZ. 2014-09-20T00:25:49.72 0.6 undecidable manual S 189 40.2264 50 -0.3 46
GU.SATI.HHZ. 2014-09-20T00:25:47.22 0.1 negative manual P 126 60.2952 50 -0.22 90
CH.MMK.HHZ. 2014-09-20T00:25:46.55 0.1 undecidable manual P 106 58.1973 50 -0.57 83
IV.MRGE.HHZ. 2014-09-20T00:25:45.76 0.1 undecidable manual P 196 49.2174 50 0.03 96
GU.REMY.HHZ. 2014-09-20T00:25:44.18 0.3 positive manual P 189 40.2264 50 -0.17 71
CH.DIX.HHZ. 2014-09-20T00:25:43.85 0.3 undecidable manual S 134 18.3705 119 -0.03 76
CH.DIX.HHZ. 2014-09-20T00:25:40.73 0.1 negative manual P 134 18.3705 119 -0.08 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
CH.DIX.HHN. ML:1.7 0.00039549999999999996 0.24 AML other m 2014-09-20T00:25:44.30
CH.DIX.HHE. ML:1.5 0.000268 1.1 AML other m 2014-09-20T00:25:44.43
CH.GIMEL.HHN. ML:1.8 0.00007714999999999999 1.34 AML other m 2014-09-20T00:26:03.37
CH.GIMEL.HHE. ML:1.7 0.00006900000000000001 0.7 AML other m 2014-09-20T00:26:06.73
GU.LSD.HHN. ML:1.5 0.0000447 1.4 AML other m 2014-09-20T00:26:03.00
GU.LSD.HHE. ML:1.7 0.00006565 0.26 AML other m 2014-09-20T00:26:02.62
CH.MMK.HHN. ML:1.3 0.00004115 1.32 AML other m 2014-09-20T00:25:57.20
CH.MMK.HHE. ML:1.3 0.000039149999999999996 0.32 AML other m 2014-09-20T00:25:57.65
IV.MRGE.HHN. ML:1.9 0.0002185 0.34 AML other m 2014-09-20T00:25:52.56
IV.MRGE.HHE. ML:1.8 0.000165 0.28 AML other m 2014-09-20T00:25:52.57
GU.REMY.HHE. ML:1.7 0.0001895 0.56 AML other m 2014-09-20T00:25:50.76
GU.REMY.HHN. ML:1.8 0.000195 0.52 AML other m 2014-09-20T00:25:51.10
GU.SATI.HHN. ML:1.5 0.00007055000000000001 1.18 AML other m 2014-09-20T00:25:57.48
GU.SATI.HHE. ML:1.5 0.00006585 0.86 AML other m 2014-09-20T00:25:55.74
GU.TRAV.HHN. ML:1.9 0.0000968 0.54 AML other m 2014-09-20T00:26:03.81
GU.TRAV.HHE. ML:1.8 0.0000734 0.16 AML other m 2014-09-20T00:26:03.54
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
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