Earthquake with magnitude of ML 1.4 on date 23-12-2018 and time 04:10:53 (UTC) in region Confine Italia Svizzera (SVIZZERA)

A magnitude ML 1.4 earthquake occured in region: Confine Italia Svizzera (SVIZZERA), on

  • 23-12-2018 04:10:53 (UTC)
  • 23-12-2018 05:10:53 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 46.2100, 7.4170 at 12 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 1.4 2018-12-23
04:10:53
46.21 7.4167 12 2019-06-04
09:16:05
Bollettino Sismico Italiano INGV 64508431
Reviewed
Rev100
ML 1.4 2018-12-23
04:10:53
46.2087 7.4443 11 2018-12-23
04:17:18
Sala Sismica INGV-Roma 64105461
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2018-12-23 04:10:53 ± 0.09
Latitude 46.2100 ± 0.0045
Longitude 7.4167 ± 0.0065
Depth (km) 12 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 64508431

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 547
Semi-minor axis of confidence ellipse (meter) 439
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 127
Circular confidence region, given by single value of horizontal uncertainty (meter) 550.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 141
Number of associated phases, regardless of their use for origin computation 23
Number of defining phases 17
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.13
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.89393
Number of stations at which the event was observed 15
Number of stations from which data was used for origin computation 9
Magnitudes information

ML:1.4

Field Value
Value 1.4
Uncertainty 0.3
Num. used stations 14
Type of magnitude ML
Reference to an origin 64508431
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2019-01-05 05:48:50

ML:1.4

Field Value
Value 1.4
Uncertainty 0.3
Num. used stations 10
Type of magnitude ML
Reference to an origin 64105461
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2018-12-23 04:17:18
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.VENL.HNZ. 2018-12-23T04:11:53.63 3.0 negative manual Pn 7.76 0
CH.MOSI.HHZ. 2018-12-23T04:11:31.10 3.0 undecidable manual P 0
IT.BNO.HGZ. 2018-12-23T04:11:27.64 3.0 undecidable manual Pn 2.97 0
CH.PLONS.HHZ. 2018-12-23T04:11:21.73 3.0 undecidable manual P 0.31 0
CH.FUSIO.HHZ. 2018-12-23T04:11:21.92 0.6 undecidable manual S 74 99.2229 91 -0.07 42
GU.TRAV.HHZ. 2018-12-23T04:11:17.04 0.3 undecidable manual S 162 81.4518 91 -0.2 64
MN.TUE.HHZ. 2018-12-23T04:11:17.52 3.0 undecidable manual P 0.04 0
GU.CIRO.HHZ. 2018-12-23T04:11:13.53 0.6 undecidable manual S 170 68.4759 91 -0.24 43
GU.RSP.HNN. 2018-12-23T04:11:13.64 3.0 undecidable manual P 0.74 0
IV.MRGE.HHZ. 2018-12-23T04:11:10.30 0.3 undecidable manual S 209 55.9995 91 -0.14 68
CH.FUSIO.HHZ. 2018-12-23T04:11:09.69 0.1 undecidable manual P 74 99.2229 91 -0.06 83
CH.GIMEL.HHZ. 2018-12-23T04:11:08.83 0.6 undecidable manual P 293 95.1381 91 -0.29 40
GU.SATI.HHZ. 2018-12-23T04:11:08.88 1.0 undecidable manual S 137 50.9157 91 -0.2 22
GU.REMY.HHZ. 2018-12-23T04:11:07.68 1.0 undecidable manual S 206 45.9207 92 -0.07 23
CH.MMK.HHZ. 2018-12-23T04:11:07.52 1.0 undecidable manual S 113 45.621 92 -0.16 23
GU.TRAV.HHZ. 2018-12-23T04:11:07.29 0.6 undecidable manual P 162 81.4518 91 0.28 43
GU.CIRO.HHZ. 2018-12-23T04:11:05.16 0.3 undecidable manual P 170 68.4759 91 0.15 67
IV.MRGE.HHZ. 2018-12-23T04:11:03.10 0.1 positive manual P 209 55.9995 91 0.01 93
GU.SATI.HHZ. 2018-12-23T04:11:02.42 0.1 negative manual P 137 50.9157 91 0.12 93
CH.MMK.HHZ. 2018-12-23T04:11:01.54 0.6 undecidable manual P 113 45.621 92 0.05 47
GU.REMY.HHZ. 2018-12-23T04:11:01.64 0.1 undecidable manual P 206 45.9207 92 0.11 94
CH.DIX.HHZ. 2018-12-23T04:10:59.37 0.1 undecidable manual S 183 14.4744 109 -0.03 100
CH.DIX.HHZ. 2018-12-23T04:10:56.89 0.1 positive manual P 183 14.4744 109 0.18 98
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
CH.FUSIO.HHE. ML:0.0 0.0000128133135 0.2112 AML other m 2018-12-23T04:11:22.40
CH.DIX.HHE. ML:0.0 0.002843301 0.2304 AML other m 2018-12-23T04:10:59.43
GU.REMY.HHE. ML:0.0 0.000079722555 0.1408 AML other m 2018-12-23T04:11:09.20
GU.REMY.HHN. ML:0.0 0.00009164328 0.1824 AML other m 2018-12-23T04:11:09.31
GU.SATI.HHN. ML:0.0 0.00004561258 0.1408 AML other m 2018-12-23T04:11:09.85
GU.SATI.HHE. ML:0.0 0.000038978445 0.1408 AML other m 2018-12-23T04:11:09.72
IV.MRGE.HHE. ML:0.0 0.0001697617 0.2592 AML other m 2018-12-23T04:11:11.76
IV.MRGE.HHN. ML:0.0 0.00008443082 0.2784 AML other m 2018-12-23T04:11:11.68
GU.CIRO.HHE. ML:0.0 0.00002409453 0.1376 AML other m 2018-12-23T04:11:16.16
GU.CIRO.HHN. ML:0.0 0.0000209562675 0.16 AML other m 2018-12-23T04:11:18.94
GU.TRAV.HHN. ML:0.0 0.000043900595 0.1184 AML other m 2018-12-23T04:11:20.20
GU.TRAV.HHE. ML:0.0 0.00009151789 0.24 AML other m 2018-12-23T04:11:20.36
CH.FUSIO.HHN. ML:0.0 0.000015910735 0.2208 AML other m 2018-12-23T04:11:26.10
CH.DIX.HHN. ML:2.1 0.00115662113 0.0896 AML other m 2018-12-23T04:10:59.60
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
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