Earthquake with magnitude of ML 1.2 on date 24-10-2020 and time 16:37:15 (Italy) in region Confine Italia Svizzera (SVIZZERA)

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

  • 24-10-2020 14:37:15 (UTC)
  • 24-10-2020 16:37:15 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 46.2140, 7.6140 at 9 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
Md 1.8
ML 1.2
2020-10-24
14:37:15
46.2142 7.6137 9 2021-02-26
14:56:20
Bollettino Sismico Italiano INGV 87475881
Reviewed
Rev100
Md 1.8 2020-10-24
14:37:15
46.2243 7.604 10 2020-10-24
14:41:56
Sala Sismica INGV-Roma 84093061
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-10-24 14:37:15 ± 0.15
Latitude 46.2142 ± 0.0081
Longitude 7.6137 ± 0.0091
Depth (km) 9 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 87475881

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 979
Semi-minor axis of confidence ellipse (meter) 463
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 325
Circular confidence region, given by single value of horizontal uncertainty (meter) 980.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 168
Number of associated phases, regardless of their use for origin computation 18
Number of defining phases 18
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) 0.19515
Epicentral distance of station farthest from the epicenter (degree) 0.86065
Number of stations at which the event was observed 10
Number of stations from which data was used for origin computation 10
Magnitudes information

ML:1.2

Field Value
Value 1.2
Uncertainty 0.2
Num. used stations 10
Type of magnitude ML
Reference to an origin 87475881
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2021-02-25 10:29:04

Md:1.8

Field Value
Value 1.8
Uncertainty 0.2
Num. used stations 5
Type of magnitude Md
Reference to an origin 87475881
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2021-02-25 10:29:04

Md:1.8

Field Value
Value 1.8
Uncertainty 0.2
Num. used stations 5
Type of magnitude Md
Reference to an origin 84093061
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-10-24 14:41:56
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
CH.FUSIO.HHE. 2020-10-24T14:37:40.95 0.6 undecidable manual S 71 84.6486 50 -0.28 42
GU.CIRO.HHE. 2020-10-24T14:37:36.96 0.6 undecidable manual S 183 67.9764 50 0.19 44
GU.BLANC.HHZ. 2020-10-24T14:37:36.84 0.6 undecidable manual S 232 66.4779 50 0.47 42
IV.MRGE.HHZ. 2020-10-24T14:37:35.65 0.6 undecidable manual S 221 65.1903 50 -0.36 43
GU.REMY.HHZ. 2020-10-24T14:37:32.64 0.6 undecidable manual S 220 54.6009 50 -0.56 42
CH.BNALP.HHE. 2020-10-24T14:37:32.07 0.6 undecidable manual P 40 95.5377 50 -0.04 43
CH.FUSIO.HHE. 2020-10-24T14:37:30.50 0.3 undecidable manual P 71 84.6486 50 0.06 66
GU.SATI.HHZ. 2020-10-24T14:37:30.17 0.6 undecidable manual S 152 42.4242 50 0.24 46
GU.TRAV.HHZ. 2020-10-24T14:37:28.71 0.6 undecidable manual P 172 78.5658 50 -0.78 36
GU.CIRO.HHE. 2020-10-24T14:37:28.04 0.3 undecidable manual P 183 67.9764 50 0.17 67
IV.MRGE.HHZ. 2020-10-24T14:37:27.45 0.6 undecidable manual P 221 65.1903 50 0.03 46
GU.BLANC.HHZ. 2020-10-24T14:37:27.92 0.3 undecidable manual P 232 66.4779 50 0.29 65
CH.MMK.HHE. 2020-10-24T14:37:26.98 0.6 undecidable manual S 124 32.4453 50 -0.3 46
GU.REMY.HHZ. 2020-10-24T14:37:25.78 0.1 undecidable manual P 220 54.6009 50 -0.02 94
GU.SATI.HHZ. 2020-10-24T14:37:24.26 0.3 undecidable manual P 152 42.4242 50 0.34 68
CH.DIX.HHZ. 2020-10-24T14:37:23.63 0.6 undecidable manual S 227 21.6672 113 -0.22 48
CH.MMK.HHE. 2020-10-24T14:37:22.48 0.3 undecidable manual P 124 32.4453 50 0.09 73
CH.DIX.HHZ. 2020-10-24T14:37:20.43 0.1 undecidable manual P 227 21.6672 113 0.02 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
CH.DIX.HHN. ML:1.6 0.000274427 0.3392 AML other m 2020-10-24T14:37:24.88
CH.DIX.HHE. ML:1.5 0.0001979901 0.2112 AML other m 2020-10-24T14:37:24.02
GU.SATI.HHN. ML:0.8 0.0000190133015 0.1024 AML other m 2020-10-24T14:37:24.98
GU.SATI.HHE. ML:0.9 0.000022771285 0.16 AML other m 2020-10-24T14:37:34.10
GU.REMY.HHE. ML:1.4 0.000058665635000000005 0.3968 AML other m 2020-10-24T14:37:36.08
GU.REMY.HHN. ML:1.3 0.00004453948 0.4416 AML other m 2020-10-24T14:37:38.71
IV.MRGE.HHE. ML:1.2 0.000032211989500000004 0.3008 AML other m 2020-10-24T14:37:39.09
IV.MRGE.HHN. ML:1.1 0.000026743358500000002 0.2368 AML other m 2020-10-24T14:37:38.74
GU.BLANC.HHE. ML:1.1 0.00002654647 0.5568 AML other m 2020-10-24T14:37:47.98
GU.BLANC.HHN. ML:1.1 0.000027478149999999997 0.64 AML other m 2020-10-24T14:37:44.53
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