Earthquake with magnitude of ML 2.3 on date 15-12-2018 and time 00:21:08 (UTC) in region Confine Italia Svizzera (SVIZZERA)

A magnitude ML 2.3 earthquake occured in region: Confine Italia Svizzera (SVIZZERA), on

  • 15-12-2018 00:21:08 (UTC)
  • 15-12-2018 01:21:08 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 45.9860, 7.8850 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

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Macugnaga VB 7 557 557
Ceppo Morelli VB 14 321 878
Carcoforo VC 15 78 956
Alagna Valsesia VC 15 408 1364
Rima San Giuseppe VC 17 59 1423
Vanzone con San Carlo VB 18 407 1830
Riva Valdobbia VC 18 258 2088
Gressoney-La-Trinité AO 18 303 2391
Antrona Schieranco VB 20 428 2819
Rimasco VC 20 106 2925

Municipalities with at least 50000 inhabitants

An earthquake occurred to
75 Km W of Varese (80799 inhabitants)
79 Km W of Gallarate (53343 inhabitants)
83 Km NW of Novara (104380 inhabitants)
86 Km W of Busto Arsizio (83106 inhabitants)
91 Km W of Legnano (60262 inhabitants)
95 Km W of Como (84495 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 2.3 2018-12-15
00:21:08
45.9862 7.8852 11 2019-06-04
09:16:03
Bollettino Sismico Italiano INGV 63962951
Reviewed
Rev100
ML 2.4 2018-12-15
00:21:08
45.9747 7.8812 13 2018-12-15
00:29:40
Sala Sismica INGV-Roma 63915561
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2018-12-15 00:21:08 ± 0.1
Latitude 45.9862 ± 0.0063
Longitude 7.8852 ± 0.0078
Depth (km) 11 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 63962951

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 772
Semi-minor axis of confidence ellipse (meter) 370
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 138
Circular confidence region, given by single value of horizontal uncertainty (meter) 770.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 97
Number of associated phases, regardless of their use for origin computation 34
Number of defining phases 27
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) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 1.31211
Number of stations at which the event was observed 21
Number of stations from which data was used for origin computation 15
Magnitudes information

ML:2.3

Field Value
Value 2.3
Uncertainty 0.2
Num. used stations 22
Type of magnitude ML
Reference to an origin 63962951
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2018-12-17 08:30:16

ML:2.4

Field Value
Value 2.4
Uncertainty 0.3
Num. used stations 32
Type of magnitude ML
Reference to an origin 63915561
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2018-12-15 00:29:40
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
GU.PZZ.HHZ. 2018-12-15T00:21:52.76 3.0 undecidable manual S 0
GU.RRL.HHZ. 2018-12-15T00:21:50.10 0.3 undecidable manual S 216 145.6431 50 0.38 55
MN.BNI.HHZ. 2018-12-15T00:21:47.95 0.3 undecidable manual S 223 139.7601 50 -0.21 58
MN.TUE.HHZ. 2018-12-15T00:21:43.79 0.6 undecidable manual S 64 124.4865 50 -0.28 40
GU.RONC.EHZ. 2018-12-15T00:21:43.00 3.0 undecidable manual P 0
GU.STV.HHZ. 2018-12-15T00:21:43.43 3.0 undecidable manual P 0
GU.RSP.HHZ. 2018-12-15T00:21:39.18 0.3 undecidable manual S 208 104.7174 50 0.4 60
GU.PZZ.HHZ. 2018-12-15T00:21:38.74 3.0 undecidable manual P 0
GU.ROTM.HHZ. 2018-12-15T00:21:33.37 3.0 positive manual P 2.17 0
IV.MDI.HHZ. 2018-12-15T00:21:32.29 0.1 undecidable manual P 99 143.4453 50 0.43 74
GU.RRL.HHZ. 2018-12-15T00:21:32.88 0.1 undecidable manual P 216 145.6431 50 0.67 67
MN.BNI.HHZ. 2018-12-15T00:21:32.13 0.1 undecidable manual P 223 139.7601 50 0.82 64
IV.MRGE.HHZ. 2018-12-15T00:21:28.55 0.3 undecidable manual S 250 67.9764 50 -0.45 64
MN.TUE.HHZ. 2018-12-15T00:21:28.89 0.3 undecidable manual P 64 124.4865 50 -0.06 62
IV.VARE.HHZ. 2018-12-15T00:21:28.98 0.3 undecidable manual S 101 69.4749 50 -0.42 64
GU.MONC.HHZ. 2018-12-15T00:21:27.98 3.0 undecidable manual P 0
GU.RSP.HHZ. 2018-12-15T00:21:26.09 0.3 undecidable manual P 208 104.7174 50 0.2 63
GU.REMY.HHZ. 2018-12-15T00:21:26.40 0.3 undecidable manual S 254 58.5969 50 -0.08 70
CH.BNALP.HHZ. 2018-12-15T00:21:26.64 0.1 undecidable manual P 23 106.4157 50 0.47 79
GU.TRAV.HHZ. 2018-12-15T00:21:24.37 0.3 undecidable manual S 192 53.6019 50 -0.78 58
GU.CIRO.HHZ. 2018-12-15T00:21:23.52 0.3 undecidable manual S 210 49.2174 50 -0.45 66
CH.FUSIO.HHZ. 2018-12-15T00:21:21.93 0.1 undecidable manual P 49 79.1652 50 -0.03 91
CH.DIX.HHZ. 2018-12-15T00:21:20.42 0.3 undecidable manual S 286 38.2284 50 -0.62 64
IV.MRGE.HHZ. 2018-12-15T00:21:20.25 0.1 undecidable manual P 250 67.9764 50 0 94
IV.VARE.HHZ. 2018-12-15T00:21:20.42 0.1 undecidable manual P 101 69.4749 50 -0.06 92
GU.TRAV.HHZ. 2018-12-15T00:21:18.03 0.1 undecidable manual P 192 53.6019 50 0.01 96
GU.REMY.HHZ. 2018-12-15T00:21:18.87 0.1 undecidable manual P 254 58.5969 50 0.08 94
GU.CIRO.HHZ. 2018-12-15T00:21:17.31 0.1 undecidable manual P 210 49.2174 50 -0.03 96
IT.VRB.HGZ. 2018-12-15T00:21:17.78 3.0 negative manual P 0.28 0
CH.DIX.HHZ. 2018-12-15T00:21:15.72 0.1 undecidable manual P 286 38.2284 50 0.07 98
GU.SATI.HHZ. 2018-12-15T00:21:13.58 0.3 undecidable manual S 186 12.3765 131 -0.36 72
CH.MMK.HHZ. 2018-12-15T00:21:12.76 0.1 undecidable manual S 40 9.3795 139 -0.44 95
GU.SATI.HHZ. 2018-12-15T00:21:11.78 0.1 undecidable manual P 186 12.3765 131 0.23 99
CH.MMK.HHZ. 2018-12-15T00:21:11.32 0.1 undecidable manual P 40 9.3795 139 0.19 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
GU.CIRO.HHE. ML:2.3 0.000495 1.16 AML other m 2018-12-15T00:21:24.67
GU.CIRO.HHN. ML:2.2 0.00046950000000000003 0.76 AML other m 2018-12-15T00:21:24.26
GU.REMY.HHN. ML:2.6 0.000801 1.48 AML other m 2018-12-15T00:21:27.79
GU.REMY.HHE. ML:2.4 0.0005175000000000001 1.48 AML other m 2018-12-15T00:21:28.10
IV.MRGE.HHN. ML:2.4 0.000389 0.3 AML other m 2018-12-15T00:21:29.53
IV.MRGE.HHE. ML:2.2 0.00028500000000000004 0.78 AML other m 2018-12-15T00:21:30.74
CH.FUSIO.HHN. ML:2.1 0.0001725 0.1 AML other m 2018-12-15T00:21:35.75
CH.FUSIO.HHE. ML:2.1 0.00016399999999999997 0.72 AML other m 2018-12-15T00:21:38.27
GU.RSP.HHE. ML:2.4 0.00020800000000000001 0.16 AML other m 2018-12-15T00:21:40.58
GU.RSP.HNE. ML:2.3 0.0001955 0.16 AML other m 2018-12-15T00:21:40.50
GU.RSP.HHN. ML:2.4 0.00024349999999999998 0.22 AML other m 2018-12-15T00:21:40.59
GU.RSP.HNN. ML:2.4 0.00023249999999999999 0.22 AML other m 2018-12-15T00:21:40.59
IV.MONC.HHE. ML:2.5 0.000314 0.36 AML other m 2018-12-15T00:21:47.25
MN.TUE.HNE. ML:2.0 0.00006585 1.42 AML other m 2018-12-15T00:21:48.19
MN.TUE.HHE. ML:2.0 0.00006565 0.46 AML other m 2018-12-15T00:21:48.19
IV.MONC.HHN. ML:2.5 0.0003045 0.24 AML other m 2018-12-15T00:21:48.23
MN.TUE.HHN. ML:2.1 0.0000949 0.46 AML other m 2018-12-15T00:21:49.23
MN.TUE.HNN. ML:2.0 0.00007604999999999999 0.46 AML other m 2018-12-15T00:21:49.23
GU.RRL.HHE. ML:2.2 0.000079 1.24 AML other m 2018-12-15T00:21:59.98
GU.RRL.HHN. ML:2.3 0.00011650000000000001 0.74 AML other m 2018-12-15T00:22:00.05
GU.PZZ.HHE. ML:2.3 0.0000854 0.52 AML other m 2018-12-15T00:22:06.63
GU.PZZ.HHN. ML:2.3 0.0000855 0.8 AML other m 2018-12-15T00:22:07.35
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
Waveforms Seismic signals in miniseed + resp format Download