Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.6 on date 13-12-2018 and time 14:12:33 (UTC) in region Confine Italia Svizzera (SVIZZERA)

A magnitude ML 1.6 earthquake occured in region: Confine Italia Svizzera (SVIZZERA), on

  • 13-12-2018 14:12:33 (UTC)
  • 13-12-2018 15:12:33 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 46.2560, 7.4060 at 11 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 1.6 2018-12-13
14:12:33		 46.2565 7.4063 11 2019-06-04
09:16:18		 Bollettino Sismico Italiano INGV 68948411
Reviewed
Rev100 		ML 1.6 2018-12-13
14:12:34		 46.2108 7.419 15 2018-12-13
14:24:01		 Sala Sismica INGV-Roma 63889251
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2018-12-13 14:12:33 ± 0.18
Latitude 46.2565 ± 0.0099
Longitude 7.4063 ± 0.0143
Depth (km) 11 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 68948411

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1450
Semi-minor axis of confidence ellipse (meter) 640
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 313
Circular confidence region, given by single value of horizontal uncertainty (meter) 1450.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 202
Number of associated phases, regardless of their use for origin computation 23
Number of defining phases 13
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.23
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.93080
Number of stations at which the event was observed 19
Number of stations from which data was used for origin computation 9
Magnitudes information

ML:1.6

Field Value
Value 1.6
Uncertainty 0.3
Num. used stations 4
Type of magnitude ML
Reference to an origin 68948411
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2019-05-27 13:51:47

ML:1.6

Field Value
Value 1.6
Uncertainty 0.3
Num. used stations 4
Type of magnitude ML
Reference to an origin 63889251
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2018-12-13 14:24:01
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.VAGA.HHZ. 2018-12-13T14:14:22.69 3.0 positive manual Pn -0.22 0
IT.VNF1.HGZ. 2018-12-13T14:14:18.06 3.0 negative manual Pn -2.87 0
IV.LIK.EHZ.01 2018-12-13T14:14:15.38 3.0 positive manual Pn -1.86 0
IV.FDMO.HHZ. 2018-12-13T14:14:13.56 3.0 undecidable manual Pg 14.27 0
IV.NDIM.HNZ. 2018-12-13T14:13:57.30 3.0 undecidable manual Sn -5.02 0
IV.RIBO.EHZ.01 2018-12-13T14:13:51.17 3.0 negative manual Pg 5.82 0
IV.CNCS.HNZ. 2018-12-13T14:13:42.04 3.0 undecidable manual Sn -3.21 0
CH.BERNI.HHZ. 2018-12-13T14:13:40.88 3.0 undecidable manual Sg -0.64 0
IV.CTI.HHZ. 2018-12-13T14:13:40.64 3.0 undecidable manual Pg 10 0
IV.CRND.HNZ. 2018-12-13T14:13:35.57 3.0 undecidable manual Pn 1.29 0
IV.MRGE.HHZ. 2018-12-13T14:12:51.83 0.3 undecidable manual S 206 60.1953 50 -0.32 65
CH.BNALP.HHE. 2018-12-13T14:12:50.78 0.3 undecidable manual P 48 103.3188 50 -0.18 62
CH.FUSIO.HHZ. 2018-12-13T14:12:50.19 0.1 undecidable manual P 77 98.7234 50 -0.06 85
GU.REMY.HHZ. 2018-12-13T14:12:49.18 0.6 undecidable manual S 203 50.3163 50 -0.32 44
GU.TRAV.HHZ. 2018-12-13T14:12:49.01 0.3 undecidable manual P 162 86.6466 50 0.62 57
CH.MMK.HHZ. 2018-12-13T14:12:48.70 0.6 undecidable manual S 118 48.618 50 -0.35 44
GU.CIRO.HHZ. 2018-12-13T14:12:46.46 0.6 undecidable manual P 170 73.6707 50 0.07 45
IV.MRGE.HHZ. 2018-12-13T14:12:44.84 0.6 undecidable manual P 206 60.1953 50 0.52 41
GU.SATI.HHZ. 2018-12-13T14:12:43.42 0.6 undecidable manual P 140 55.3002 50 -0.13 46
CH.MMK.HHZ. 2018-12-13T14:12:42.72 0.3 undecidable manual P 118 48.618 50 0.19 69
GU.REMY.HHZ. 2018-12-13T14:12:42.74 0.3 undecidable manual P 203 50.3163 50 -0.05 70
CH.DIX.HHZ. 2018-12-13T14:12:41.34 0.3 undecidable manual S 180 19.5693 50 0.03 75
CH.DIX.HHZ. 2018-12-13T14:12:38.06 0.1 negative manual P 180 19.5693 50 0 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
CH.DIX.HHE. ML:2.0 0.0008186865 0.2816 AML other m 2018-12-13T14:12:41.53
CH.DIX.HHN. ML:1.7 0.00040541095000000004 0.7808 AML other m 2018-12-13T14:12:41.96
IV.MRGE.HHN. ML:1.3 0.00004251940999999999 1.5776 AML other m 2018-12-13T14:12:52.08
IV.MRGE.HHE. ML:1.5 0.00006165565 1.2416 AML other m 2018-12-13T14:12:52.72
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
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Type Description Link
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QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download