Earthquake with magnitude of ML 1.2 on date 23-11-2018 and time 22:36:22 (UTC) in region Confine Italia Svizzera (SVIZZERA)

A magnitude ML 1.2 earthquake occured in region: Confine Italia Svizzera (SVIZZERA), on

  • 23-11-2018 22:36:22 (UTC)
  • 23-11-2018 23:36:22 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 46.1940, 7.4280 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.

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 1.2 2018-11-23
22:36:22
46.1938 7.4277 11 2019-06-04
09:16:07
Bollettino Sismico Italiano INGV 64730921
Reviewed
Rev100
ML 1.5 2018-11-23
22:36:22
46.1933 7.4335 14 2018-11-23
22:44:09
Sala Sismica INGV-Roma 63318471
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2018-11-23 22:36:22 ± 0.21
Latitude 46.1938 ± 0.0144
Longitude 7.4277 ± 0.0169
Depth (km) 11 ± 4 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 64730921

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1409
Semi-minor axis of confidence ellipse (meter) 1358
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 329
Circular confidence region, given by single value of horizontal uncertainty (meter) 1410.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 112
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) 0.33
Epicentral distance of station closest to the epicenter (degree) 0.11421
Epicentral distance of station farthest from the epicenter (degree) 0.96317
Number of stations at which the event was observed 8
Number of stations from which data was used for origin computation 8
Magnitudes information

ML:1.5

Field Value
Value 1.5
Uncertainty 0.1
Num. used stations 2
Type of magnitude ML
Reference to an origin 63318471
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2018-11-23 22:44:09

ML:1.2

Field Value
Value 1.2
Uncertainty 0.3
Num. used stations 8
Type of magnitude ML
Reference to an origin 64730921
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2019-01-17 13:15:31
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
CH.BNALP.HHE. 2018-11-23T22:36:40.17 0.1 undecidable manual P 45 106.9152 90 -0.5 77
IV.MRGE.HHZ. 2018-11-23T22:36:40.62 0.6 undecidable manual S 211 54.9006 90 0.73 38
CH.GIMEL.HHZ. 2018-11-23T22:36:39.22 0.1 undecidable manual P 293 96.6255 90 0.13 83
GU.SATI.HHZ. 2018-11-23T22:36:38.06 0.6 undecidable manual S 136 49.0176 90 -0.25 44
GU.REMY.HHZ. 2018-11-23T22:36:36.87 0.3 undecidable manual S 208 44.7219 90 -0.3 67
GU.CIRO.HHE. 2018-11-23T22:36:34.28 1.0 undecidable manual P 171 66.5778 90 -0.17 22
IV.MRGE.HHZ. 2018-11-23T22:36:32.49 0.1 undecidable manual P 211 54.9006 90 -0.17 91
CH.MMK.HHN. 2018-11-23T22:36:31.99 0.6 undecidable manual P 111 44.2224 90 0.98 35
GU.REMY.HHZ. 2018-11-23T22:36:31.07 0.1 undecidable manual P 208 44.7219 90 -0.01 95
GU.SATI.HHZ. 2018-11-23T22:36:31.75 0.1 undecidable manual P 136 49.0176 90 0 94
CH.DIX.HHZ. 2018-11-23T22:36:28.78 0.3 undecidable manual S 187 12.6762 108 0.13 74
CH.DIX.HHZ. 2018-11-23T22:36:26.20 0.1 undecidable manual P 187 12.6762 108 0.03 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
CH.DIX.HHN. ML:1.4 0.00023225325 0.1024 AML other m 2018-11-23T22:36:28.86
CH.DIX.HHE. ML:1.8 0.0006178650999999999 0.192 AML other m 2018-11-23T22:36:28.91
GU.REMY.HHE. ML:1.0 0.000030730465 0.192 AML other m 2018-11-23T22:36:38.66
GU.REMY.HHN. ML:1.1 0.0000376468 0.2176 AML other m 2018-11-23T22:36:39.49
GU.SATI.HHN. ML:0.6 0.0000114568265 0.1024 AML other m 2018-11-23T22:36:38.90
GU.SATI.HHE. ML:0.8 0.000016334875 0.1024 AML other m 2018-11-23T22:36:38.86
IV.MRGE.HHE. ML:1.5 0.000077482255 0.2304 AML other m 2018-11-23T22:36:41.15
IV.MRGE.HHN. ML:1.2 0.0000386067515 0.2816 AML other m 2018-11-23T22:36:41.06
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