Earthquake with magnitude of ML 1.3 on date 19-04-2017 and time 22:08:36 (UTC) in region Confine Italia Svizzera (SVIZZERA)

A magnitude ML 1.3 earthquake occured in region: Confine Italia Svizzera (SVIZZERA), on

  • 19-04-2017 22:08:36 (UTC)
  • 20-04-2017 00:08:36 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 46.1240, 7.4670 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 1.3 2017-04-19
22:08:36
46.1242 7.4668 10 2018-01-10
09:56:15
Bollettino Sismico Italiano INGV 50607191
Reviewed
Rev100
ML 1.3 2017-04-19
22:08:36
46.1232 7.4675 10 2017-04-19
22:15:29
Sala Sismica INGV-Roma 44110971
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2017-04-19 22:08:36 ± 0.28
Latitude 46.1242 ± 0.0234
Longitude 7.4668 ± 0.0130
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 50607191

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 2679
Semi-minor axis of confidence ellipse (meter) 607
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 343
Circular confidence region, given by single value of horizontal uncertainty (meter) 2680.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 239
Number of associated phases, regardless of their use for origin computation 10
Number of defining phases 10
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) 0.06025
Epicentral distance of station farthest from the epicenter (degree) 0.45236
Number of stations at which the event was observed 5
Number of stations from which data was used for origin computation 5
Magnitudes information

ML:1.3

Field Value
Value 1.3
Uncertainty 0.3
Num. used stations 4
Type of magnitude ML
Reference to an origin 50607191
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2017-10-01 14:31:59

ML:1.3

Field Value
Value 1.3
Uncertainty 0.3
Num. used stations 2
Type of magnitude ML
Reference to an origin 44110971
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2017-04-19 22:15:29
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MRGE.HHZ. 2017-04-19T22:08:51.98 0.6 undecidable manual S 219 50.2164 50 -0.37 43
GU.SATI.HHZ. 2017-04-19T22:08:50.17 0.6 undecidable manual S 132 41.5251 50 0.16 46
GU.REMY.HHZ. 2017-04-19T22:08:49.58 0.6 undecidable manual S 217 39.7269 50 0.03 48
CH.MMK.HHZ. 2017-04-19T22:08:48.90 0.3 undecidable manual S 102 39.1275 50 -0.48 65
IV.MRGE.HHZ. 2017-04-19T22:08:45.66 0.1 undecidable manual P 219 50.2164 50 0.1 92
GU.SATI.HHZ. 2017-04-19T22:08:44.59 0.1 undecidable manual P 132 41.5251 50 0.39 88
GU.REMY.HHZ. 2017-04-19T22:08:43.98 0.1 undecidable manual P 217 39.7269 50 0.03 95
CH.MMK.HHZ. 2017-04-19T22:08:43.85 0.1 undecidable manual P 102 39.1275 50 0.01 96
CH.DIX.HHZ. 2017-04-19T22:08:40.24 0.6 undecidable manual S 223 6.6933 147 -0.26 48
CH.DIX.HHZ. 2017-04-19T22:08:38.78 0.1 positive manual P 223 6.6933 147 0.06 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
CH.DIX.HHE. ML:1.6 0.000651 0.66 AML other m 2017-04-19T22:08:40.73
CH.DIX.HHN. ML:1.5 0.000474 0.46 AML other m 2017-04-19T22:08:42.53
GU.SATI.HHE. ML:1.1 0.00003825 1.72 AML other m 2017-04-19T22:08:51.94
GU.SATI.HHN. ML:1.0 0.00003135 0.92 AML other m 2017-04-19T22:08:51.72
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