Earthquake with magnitude of ML 1.0 on date 16-04-2020 and time 10:39:17 (Italy) in region Svizzera (SVIZZERA)

A magnitude ML 1.0 earthquake occured in region: Svizzera (SVIZZERA), on

  • 16-04-2020 08:39:17 (UTC)
  • 16-04-2020 10:39:17 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 46.7500, 9.3620 at 8 km depth.

The earthquake was located by: Sala Sismica INGV-Roma.

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
Reviewed
Rev100
ML 1.0 2020-04-16
08:39:17
46.7502 9.3625 8 2020-04-16
08:51:34
Sala Sismica INGV-Roma 78277561
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-04-16 08:39:17 ± 0.18
Latitude 46.7502 ± 0.0081
Longitude 9.3625 ± 0.0118
Depth (km) 8 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 78277561

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 893
Semi-minor axis of confidence ellipse (meter) 339
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 101
Circular confidence region, given by single value of horizontal uncertainty (meter) 890.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 83
Number of associated phases, regardless of their use for origin computation 12
Number of defining phases 12
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.43
Epicentral distance of station closest to the epicenter (degree) 0.27789
Epicentral distance of station farthest from the epicenter (degree) 0.65201
Number of stations at which the event was observed 6
Number of stations from which data was used for origin computation 6
Magnitude information

ML:1.0

Field Value
Value 1.0
Uncertainty 0.2
Num. used stations 4
Type of magnitude ML
Reference to an origin 78277561
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-04-16 08:51:34
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
CH.BNALP.HHE. 2020-04-16T08:39:40.19 0.3 undecidable manual S 281 72.372 50 -0.17 71
CH.BERNI.HHE. 2020-04-16T08:39:37.68 0.3 undecidable manual S 126 62.6928 50 -0.09 74
CH.FUSIO.HHZ. 2020-04-16T08:39:37.28 0.1 undecidable manual S 239 62.5929 50 -0.45 91
CH.DAVOX.HHZ. 2020-04-16T08:39:31.23 0.1 undecidable manual S 85 39.4272 50 -0.33 98
CH.BNALP.HHE. 2020-04-16T08:39:31.32 0.6 undecidable manual P 281 72.372 50 0.43 45
CH.FUSIO.HHZ. 2020-04-16T08:39:29.95 0.1 undecidable manual P 239 62.5929 50 0.58 88
CH.PLONS.HHZ. 2020-04-16T08:39:29.33 0.1 undecidable manual S 2 33.2445 104 -0.49 95
CH.BERNI.HHE. 2020-04-16T08:39:29.80 0.3 undecidable manual P 126 62.6928 50 0.41 69
MN.TUE.HHZ. 2020-04-16T08:39:28.29 0.3 undecidable manual S 182 30.8469 105 -0.74 65
CH.DAVOX.HHZ. 2020-04-16T08:39:26.03 0.1 undecidable manual P 85 39.4272 50 0.22 100
CH.PLONS.HHZ. 2020-04-16T08:39:25.14 0.1 undecidable manual P 2 33.2445 104 0.34 99
MN.TUE.HHZ. 2020-04-16T08:39:24.68 0.1 undecidable manual P 182 30.8469 105 0.34 99
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
MN.TUE.HHE. ML:0.9 0.00003655 0.22 AML other m 2020-04-16T08:39:28.34
MN.TUE.HHN. ML:0.7 0.000026 1.08 AML other m 2020-04-16T08:39:28.15
CH.FUSIO.HHE. ML:1.0 0.0000207 0.66 AML other m 2020-04-16T08:39:37.97
CH.FUSIO.HHN. ML:1.2 0.0000352 1.68 AML other m 2020-04-16T08:39:38.07
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