Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 0.8 on date 03-03-2017 and time 18:27:21 (UTC) in region Confine Italia Svizzera (SVIZZERA)

A magnitude ML 0.8 earthquake occured in region: Confine Italia Svizzera (SVIZZERA), on

  • 03-03-2017 18:27:21 (UTC)
  • 03-03-2017 19:27:21 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 46.1100, 7.5200 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.

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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 0.8 2017-03-03
18:27:21		 46.1098 7.5203 9 2018-01-10
09:55:05		 Bollettino Sismico Italiano INGV 50546091
Reviewed
Rev100 		ML 1.4 2017-03-03
18:27:21		 46.1118 7.5312 8 2017-03-03
18:35:46		 Sala Sismica INGV-Roma 41915021
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2017-03-03 18:27:21 ± 0.12
Latitude 46.1098 ± 0.0099
Longitude 7.5203 ± 0.0130
Depth (km) 9 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 50546091

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1221
Semi-minor axis of confidence ellipse (meter) 723
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 315
Circular confidence region, given by single value of horizontal uncertainty (meter) 1220.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 150
Number of associated phases, regardless of their use for origin computation 18
Number of defining phases 16
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.26
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 1.07199
Number of stations at which the event was observed 13
Number of stations from which data was used for origin computation 11
Magnitudes information

ML:0.8

Field Value
Value 0.8
Uncertainty 0.3
Num. used stations 8
Type of magnitude ML
Reference to an origin 50546091
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2017-09-29 07:30:42

ML:1.4

Field Value
Value 1.4
Uncertainty 0.4
Num. used stations 8
Type of magnitude ML
Reference to an origin 41915021
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2017-03-03 18:35:46
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MSSA.HHZ. 2017-03-03T18:28:30.11 3.0 undecidable manual Sn 0.71 0
IV.ZONE.HHZ. 2017-03-03T18:28:18.92 3.0 undecidable manual Sn 0.68 0
GU.TRAV.HHZ. 2017-03-03T18:27:43.03 0.6 undecidable manual S 165 68.4759 50 0.09 45
CH.MUGIO.HHZ. 2017-03-03T18:27:41.99 0.6 undecidable manual P 100 118.992 50 0.19 40
CH.BNALP.HHZ. 2017-03-03T18:27:40.39 0.6 undecidable manual P 39 109.113 50 0.13 41
GU.RSP.HHZ. 2017-03-03T18:27:40.57 0.3 undecidable manual P 191 108.5136 50 0.39 58
GU.CIRO.HHZ. 2017-03-03T18:27:39.37 0.3 undecidable manual S 176 56.499 50 -0.36 65
CH.FUSIO.HHZ. 2017-03-03T18:27:38.11 0.3 undecidable manual P 66 95.6376 50 -0.08 64
GU.SATI.HHZ. 2017-03-03T18:27:34.48 0.3 undecidable manual S 134 37.3293 50 -0.15 70
GU.TRAV.HHZ. 2017-03-03T18:27:34.46 0.3 undecidable manual P 165 68.4759 50 0.44 62
CH.MMK.HHZ. 2017-03-03T18:27:33.36 0.3 undecidable manual S 101 34.743 50 -0.57 64
GU.CIRO.HHZ. 2017-03-03T18:27:32.37 0.3 undecidable manual P 176 56.499 50 0.21 67
IV.MRGE.HHZ. 2017-03-03T18:27:31.29 0.1 undecidable manual P 223 51.7038 50 -0.14 91
GU.SATI.HHZ. 2017-03-03T18:27:29.59 0.1 undecidable manual P 134 37.3293 50 0.38 89
GU.REMY.HHZ. 2017-03-03T18:27:29.68 0.1 undecidable manual P 223 41.2254 50 -0.13 94
CH.MMK.HHZ. 2017-03-03T18:27:28.80 0.3 undecidable manual P 101 34.743 50 -0.02 73
CH.DIX.HHZ. 2017-03-03T18:27:26.08 0.3 undecidable manual S 249 9.2796 135 -0.31 71
CH.DIX.HHZ. 2017-03-03T18:27:24.53 0.1 undecidable manual P 249 9.2796 135 0.07 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
CH.MMK.HHN. ML:0.0 0.000018337175 1.088 AML other m 2017-03-03T18:27:33.43
CH.MMK.HHE. ML:0.0 0.000013513585000000001 0.7168 AML other m 2017-03-03T18:27:33.73
GU.TRAV.HHE. ML:0.0 0.000020837775 1.8944 AML other m 2017-03-03T18:27:43.45
GU.TRAV.HHN. ML:0.0 0.000016108190000000002 0.2432 AML other m 2017-03-03T18:27:43.52
GU.SATI.HHN. ML:1.2 0.00005450708999999999 0.1408 AML other m 2017-03-03T18:27:34.68
GU.SATI.HHE. ML:1.1 0.000051858205 0.4864 AML other m 2017-03-03T18:27:34.92
GU.CIRO.HHE. ML:0.6 0.00001079984 0.32 AML other m 2017-03-03T18:27:39.48
GU.CIRO.HHN. ML:0.4 0.000007216963 0.9216 AML other m 2017-03-03T18:27:39.41
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
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Type Description Link
QuakeML - small Event, Origin, FocalMechanism Download
QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download