Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.1 on date 15-01-2019 and time 15:33:48 (UTC) in region Confine Italia Svizzera (SVIZZERA)

A magnitude ML 1.1 earthquake occured in region: Confine Italia Svizzera (SVIZZERA), on

  • 15-01-2019 15:33:48 (UTC)
  • 15-01-2019 16:33:48 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 46.1070, 7.6430 at 6 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

An earthquake occurred to
97 Km W of Varese (80799 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 1.1 2019-01-15
15:33:48		 46.107 7.6428 6 2019-08-22
08:25:00		 Bollettino Sismico Italiano INGV 69186251
Reviewed
Rev100 		ML 1.1 2019-01-15
15:33:48		 46.1175 7.6428 7 2019-01-15
15:48:33		 Sala Sismica INGV-Roma 64698831
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2019-01-15 15:33:48 ± 0.17
Latitude 46.1070 ± 0.0126
Longitude 7.6428 ± 0.0065
Depth (km) 6 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 69186251

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1352
Semi-minor axis of confidence ellipse (meter) 335
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 10
Circular confidence region, given by single value of horizontal uncertainty (meter) 1350.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 203
Number of associated phases, regardless of their use for origin computation 18
Number of defining phases 12
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.22
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 5.09196
Number of stations at which the event was observed 12
Number of stations from which data was used for origin computation 6
Magnitudes information

ML:1.1

Field Value
Value 1.1
Uncertainty 0.2
Num. used stations 8
Type of magnitude ML
Reference to an origin 69186251
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2019-06-04 00:03:10

ML:1.1

Field Value
Value 1.1
Uncertainty 0.2
Num. used stations 8
Type of magnitude ML
Reference to an origin 64698831
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2019-01-15 15:48:33
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.FIU.EHZ. 2019-01-15T15:35:30.42 3.0 undecidable manual Sg 3.44 0
IV.NRCA.HNZ. 2019-01-15T15:35:05.95 3.0 undecidable manual P 565.212 0.12 0
IV.SSFR.HNZ. 2019-01-15T15:34:58.50 3.0 undecidable manual P 501.5202 0.58 0
IT.ACQ.HGZ. 2019-01-15T15:34:44.47 3.0 undecidable manual Sg -6.14 0
CH.FUORN.HHZ. 2019-01-15T15:34:39.00 3.0 undecidable manual Sn -7.94 0
IV.CTI.HHZ. 2019-01-15T15:34:31.04 3.0 undecidable manual P 308.358 -2.84 0
GU.CIRO.HHZ. 2019-01-15T15:34:07.10 0.6 undecidable manual S 186 56.2992 50 0.43 44
IV.MRGE.HHZ. 2019-01-15T15:34:06.86 0.3 undecidable manual S 230 58.3971 50 -0.38 67
GU.REMY.HHZ. 2019-01-15T15:34:04.45 0.6 undecidable manual S 232 47.9187 50 0.01 49
IV.MRGE.HHZ. 2019-01-15T15:33:59.05 0.3 undecidable manual P 230 58.3971 50 -0.12 70
GU.CIRO.HHZ. 2019-01-15T15:33:59.24 0.3 undecidable manual P 186 56.2992 50 0.4 67
GU.SATI.HHZ. 2019-01-15T15:33:58.97 0.6 undecidable manual S 146 31.0467 102 -0.17 49
GU.REMY.HHZ. 2019-01-15T15:33:57.36 0.3 undecidable manual P 232 47.9187 50 -0.19 71
CH.MMK.HHE. 2019-01-15T15:33:56.92 0.6 undecidable manual S 104 25.4523 104 -0.34 47
GU.SATI.HHZ. 2019-01-15T15:33:54.47 0.3 undecidable manual P 146 31.0467 102 -0.02 75
CH.DIX.HHZ. 2019-01-15T15:33:54.84 0.3 undecidable manual S 261 18.2706 109 -0.03 77
CH.MMK.HHE. 2019-01-15T15:33:53.54 0.1 undecidable manual P 104 25.4523 104 0.13 99
CH.DIX.HHZ. 2019-01-15T15:33:52.17 0.1 positive manual P 261 18.2706 109 0.15 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
CH.DIX.HHE. ML:1.2 0.000153919695 0.1408 AML other m 2019-01-15T15:33:55.24
CH.DIX.HHN. ML:1.5 0.00030060765 0.192 AML other m 2019-01-15T15:33:55.51
GU.REMY.HHE. ML:1.2 0.0000445940715 0.1792 AML other m 2019-01-15T15:34:07.46
GU.REMY.HHN. ML:1.1 0.00003252596 0.128 AML other m 2019-01-15T15:34:07.49
GU.CIRO.HHE. ML:0.6 0.000008919731 0.1408 AML other m 2019-01-15T15:34:08.55
GU.CIRO.HHN. ML:1.2 0.00003547526 1.136 AML other m 2019-01-15T15:34:08.91
IV.MRGE.HHN. ML:1.1 0.000031250055 0.3392 AML other m 2019-01-15T15:34:09.28
IV.MRGE.HHE. ML:0.8 0.000016944029999999998 0.1024 AML other m 2019-01-15T15:34:09.59
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