Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.2 on date 20-02-2018 and time 20:18:17 (Italy) in region 8 km SW Stelvio (BZ)

A magnitude ML 2.2 earthquake occured in region: 8 km SW Stelvio (BZ), on

  • 20-02-2018 19:18:17 (UTC)
  • 20-02-2018 20:18:17 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 46.5470, 10.4840 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.

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Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Stelvio BZ 8 1161 1161
Valfurva SO 11 2638 3799
Tubre BZ 11 977 4776
Prato allo Stelvio BZ 11 3474 8250
Bormio SO 12 4121 12371
Glorenza BZ 15 896 13267
Sluderno BZ 15 1804 15071
Valdidentro SO 16 4125 19196
Valdisotto SO 16 3556 22752
Malles Venosta BZ 17 5162 27914
Lasa BZ 18 3993 31907

Municipalities with at least 50000 inhabitants

An earthquake occurred to
67 Km W of Bolzano (106441 inhabitants)
72 Km NW of Trento (117317 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 2.2 2018-02-20
19:18:17		 46.5468 10.4837 9 2019-04-24
14:49:31		 Bollettino Sismico Italiano INGV 56681611
Reviewed
Rev100 		ML 2.2 2018-02-20
19:18:17		 46.5458 10.4788 9 2018-02-20
19:27:10		 Sala Sismica INGV-Roma 54052171
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2018-02-20 19:18:17 ± 0.07
Latitude 46.5468 ± 0.0045
Longitude 10.4837 ± 0.0052
Depth (km) 9 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 56681611

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 437
Semi-minor axis of confidence ellipse (meter) 311
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 358
Circular confidence region, given by single value of horizontal uncertainty (meter) 440.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 89
Number of associated phases, regardless of their use for origin computation 67
Number of defining phases 58
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.31
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 1.71051
Number of stations at which the event was observed 46
Number of stations from which data was used for origin computation 37
Magnitudes information

ML:2.2

Field Value
Value 2.2
Uncertainty 0.2
Num. used stations 74
Type of magnitude ML
Reference to an origin 56681611
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2018-05-09 15:49:47

ML:2.2

Field Value
Value 2.2
Uncertainty 0.3
Num. used stations 106
Type of magnitude ML
Reference to an origin 54052171
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2018-02-20 19:27:10
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MF5.EHZ. 2018-02-20T19:20:14.06 3.0 undecidable manual Sn 0.91 0
IV.PE3.EHZ. 2018-02-20T19:19:53.12 3.0 undecidable manual Sg 3.27 0
IV.CSNT.HHZ. 2018-02-20T19:19:50.77 3.0 undecidable manual Sg 2.28 0
IV.RDP.HHZ. 2018-02-20T19:19:49.41 3.0 negative manual Pg 14.12 0
IV.BRSN.EHZ. 2018-02-20T19:19:38.68 3.0 undecidable manual Sg 4.96 0
IV.RM33.HNZ. 2018-02-20T19:19:26.21 3.0 undecidable manual Pn -1.33 0
IV.FVI.HHZ. 2018-02-20T19:19:08.10 0.6 undecidable manual S 87 175.1913 50 0.48 31
IV.MSSA.HHZ. 2018-02-20T19:18:59.21 3.0 undecidable manual Pg 1.04 0
GU.TRAV.HHZ. 2018-02-20T19:18:57.77 3.0 undecidable manual Pn 1.81 0
OX.CGRP.HHZ. 2018-02-20T19:18:54.40 0.3 undecidable manual S 126 125.4744 50 0.06 61
OX.AGOR.HHZ. 2018-02-20T19:18:53.40 0.3 undecidable manual S 106 124.5864 50 -0.7 52
IV.ROVR.HHZ. 2018-02-20T19:18:50.30 0.3 undecidable manual S 155 109.6125 50 0.19 62
IV.MDI.HHZ. 2018-02-20T19:18:49.20 0.3 undecidable manual S 215 104.4177 50 0.48 59
OX.ZOU2.HHZ. 2018-02-20T19:18:48.85 0.6 undecidable manual P 89 189.8655 38 0.34 30
OX.CLUD.HHZ. 2018-02-20T19:18:48.10 0.6 undecidable manual P 92 183.3831 38 0.41 31
IV.CTI.HHZ. 2018-02-20T19:18:48.70 0.3 undecidable manual S 121 105.117 50 -0.19 62
IV.EUCT.HNZ. 2018-02-20T19:18:48.84 3.0 negative manual Pg 0.11 0
IV.SALO.HHZ. 2018-02-20T19:18:47.90 0.3 undecidable manual S 178 103.0191 50 -0.45 59
CH.PLONS.HHZ. 2018-02-20T19:18:47.80 0.3 undecidable manual S 304 100.6215 50 0.09 64
IV.FVI.HHZ. 2018-02-20T19:18:46.09 1.0 undecidable manual P 87 175.1913 50 -0.52 16
IV.BRES.EHZ. 2018-02-20T19:18:46.00 0.3 undecidable manual S 80 96.7254 50 -0.67 56
ST.DOSS.HHZ. 2018-02-20T19:18:45.50 0.3 undecidable manual S 144 91.5417 50 0.21 64
IV.ZONE.HHZ. 2018-02-20T19:18:44.60 0.3 undecidable manual S 198 91.3419 50 -0.62 57
IV.VARE.HHZ. 2018-02-20T19:18:43.31 0.6 undecidable manual P 241 151.6371 50 0.34 36
MN.TUE.HHZ. 2018-02-20T19:18:43.70 0.3 undecidable manual S 265 87.1461 50 -0.41 62
OX.CIMO.HHZ. 2018-02-20T19:18:43.17 0.3 undecidable manual P 99 152.2365 50 0.1 57
OX.VARN.HHZ. 2018-02-20T19:18:41.61 0.3 undecidable manual P 116 138.7611 50 0.62 52
CH.MUGIO.HHZ. 2018-02-20T19:18:40.23 0.3 undecidable manual P 238 130.5693 50 0.49 55
SI.LUSI.HHZ. 2018-02-20T19:18:40.30 0.3 undecidable manual S 151 74.0703 50 -0.32 64
OX.CGRP.HHZ. 2018-02-20T19:18:39.16 0.6 undecidable manual P 126 125.4744 50 0.21 40
OX.AGOR.HHZ. 2018-02-20T19:18:39.28 0.3 undecidable manual P 106 124.5864 50 0.47 56
SI.BOSI.HHZ. 2018-02-20T19:18:37.20 0.3 undecidable manual S 95 63.9915 50 -0.72 58
ST.GAGG.HHZ. 2018-02-20T19:18:37.20 0.3 undecidable manual S 145 62.9925 50 -0.45 64
OE.WTTA.HHE. 2018-02-20T19:18:37.84 0.6 undecidable manual P 47 118.0929 50 0.02 42
IV.ROVR.HHZ. 2018-02-20T19:18:37.13 0.6 undecidable manual P 155 109.6125 50 0.63 37
IV.SALO.HHZ. 2018-02-20T19:18:36.01 0.3 undecidable manual P 178 103.0191 50 0.51 58
IV.MDI.HHZ. 2018-02-20T19:18:36.33 0.3 undecidable manual P 215 104.4177 50 0.62 56
IV.CTI.HHZ. 2018-02-20T19:18:36.33 0.3 undecidable manual P 121 105.117 50 0.52 58
CH.PLONS.HHZ. 2018-02-20T19:18:35.85 0.6 undecidable manual P 304 100.6215 50 0.73 36
ST.DOSS.HHZ. 2018-02-20T19:18:34.22 0.3 undecidable manual P 144 91.5417 50 0.49 60
CH.DAVOX.HHZ. 2018-02-20T19:18:34.10 0.3 undecidable manual S 300 52.8027 50 -0.84 56
IV.BRES.EHZ. 2018-02-20T19:18:34.63 0.3 undecidable manual P 80 96.7254 50 0.11 64
IV.ZONE.HHZ. 2018-02-20T19:18:34.32 0.6 undecidable manual P 198 91.3419 50 0.63 38
ST.ZIAN.HNN. 2018-02-20T19:18:33.56 0.3 undecidable manual P 110 87.8454 50 0.41 62
ST.VARA.HNZ. 2018-02-20T19:18:33.12 0.6 undecidable manual P 158 86.0472 50 0.25 43
ST.PANI.HNZ. 2018-02-20T19:18:33.38 0.6 undecidable manual P 130 85.3479 50 0.62 39
MN.TUE.HHZ. 2018-02-20T19:18:32.65 0.3 undecidable manual P 265 87.1461 50 -0.4 62
SI.ROSI.HHZ. 2018-02-20T19:18:32.24 0.3 undecidable manual P 59 82.251 50 -0.05 67
IV.BAG8.HNZ. 2018-02-20T19:18:32.20 0.6 undecidable manual P 181 80.364 50 0.21 43
SI.LUSI.HHZ. 2018-02-20T19:18:30.95 0.1 undecidable manual P 151 74.0703 50 -0.08 90
SI.BOSI.HHZ. 2018-02-20T19:18:29.52 0.3 undecidable manual P 95 63.9915 50 0.05 69
ST.GAGG.HHZ. 2018-02-20T19:18:29.28 0.3 undecidable manual P 145 62.9925 50 -0.04 70
ST.RONC.HNE. 2018-02-20T19:18:29.46 0.3 undecidable manual P 170 63.7917 50 0.02 70
IV.MABI.HHZ. 2018-02-20T19:18:27.88 0.1 negative manual P 178 54.6009 50 -0.15 92
CH.DAVOX.HHZ. 2018-02-20T19:18:27.56 0.3 undecidable manual P 300 52.8027 50 -0.19 69
ST.OZOL.HNN. 2018-02-20T19:18:26.55 0.1 positive manual P 110 46.2204 50 -0.19 93
ST.CARE.HNZ. 2018-02-20T19:18:25.00 0.3 undecidable manual S 130 20.9679 113 -0.86 59
CH.BERNI.HHZ. 2018-02-20T19:18:25.22 0.1 positive manual P 247 38.1285 50 -0.28 93
CH.FUORN.HHZ. 2018-02-20T19:18:24.80 0.3 undecidable manual S 296 18.6702 116 -0.32 71
SI.MOSI.HHZ. 2018-02-20T19:18:22.20 0.6 undecidable manual S 33 9.1797 134 -0.2 50
IV.BORM.HNE. 2018-02-20T19:18:22.80 0.3 undecidable manual S 224 11.877 127 -0.3 72
ST.CARE.HNZ. 2018-02-20T19:18:22.36 0.1 negative manual P 130 20.9679 113 -0.15 98
CH.FUORN.HHZ. 2018-02-20T19:18:22.16 0.1 positive manual P 296 18.6702 116 0.07 100
IV.BRMO.HHZ. 2018-02-20T19:18:22.70 0.3 undecidable manual S 227 11.5773 128 -0.31 72
IV.BRMO.HHZ. 2018-02-20T19:18:21.13 0.3 undecidable manual P 227 11.5773 128 0.26 73
IV.BORM.HNE. 2018-02-20T19:18:21.18 0.1 positive manual P 224 11.877 127 0.26 97
SI.MOSI.HHZ. 2018-02-20T19:18:20.81 0.1 negative manual P 33 9.1797 134 0.3 97
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
CH.DAVOX.HHE. ML:0.0 0.00032062375 0.2944 AML other m 2018-02-20T19:18:34.34
IV.MABI.HHE. ML:0.0 0.00039449185 0.128 AML other m 2018-02-20T19:18:34.09
CH.DAVOX.HHN. ML:0.0 0.0005685454 0.3456 AML other m 2018-02-20T19:18:35.12
IV.MABI.HHN. ML:0.0 0.00038719344999999997 0.192 AML other m 2018-02-20T19:18:34.69
IV.FVI.HHE. ML:0.0 0.000064603545 0.1408 AML other m 2018-02-20T19:19:11.98
OX.CGRP.HHE. ML:0.0 0.00011778264999999998 0.448 AML other m 2018-02-20T19:18:58.14
OX.CGRP.HNE. ML:0.0 0.00017715965 0.5376 AML other m 2018-02-20T19:18:58.14
OX.CGRP.HHN. ML:0.0 0.00008211771 0.2816 AML other m 2018-02-20T19:19:00.33
IV.FVI.HHN. ML:0.0 0.00004847673 0.1536 AML other m 2018-02-20T19:19:09.67
OX.CGRP.HNN. ML:0.0 0.000080070555 0.32 AML other m 2018-02-20T19:18:56.11
IV.BRMO.HHN. ML:2.2 0.002167408 0.1536 AML other m 2018-02-20T19:18:23.05
IV.BRMO.HHE. ML:2.0 0.00118685 0.128 AML other m 2018-02-20T19:18:22.94
CH.FUORN.HHE. ML:2.1 0.001066404 0.192 AML other m 2018-02-20T19:18:25.25
CH.FUORN.HHN. ML:2.7 0.0040183204999999994 0.2816 AML other m 2018-02-20T19:18:25.19
ST.CARE.HNN. ML:2.2 0.00114187305 0.0768 AML other m 2018-02-20T19:18:25.28
ST.CARE.HNE. ML:2.4 0.001606395 0.128 AML other m 2018-02-20T19:18:25.24
CH.BERNI.HHN. ML:1.8 0.00025907230000000005 0.1024 AML other m 2018-02-20T19:18:31.44
CH.BERNI.HHE. ML:1.8 0.00023284685 0.1024 AML other m 2018-02-20T19:18:31.84
ST.GAGG.HHN. ML:1.9 0.00014872114999999998 0.1152 AML other m 2018-02-20T19:18:38.58
ST.GAGG.HNN. ML:2.1 0.00023181774999999998 0.1408 AML other m 2018-02-20T19:18:38.74
ST.GAGG.HHE. ML:2.1 0.00024916369999999997 0.1408 AML other m 2018-02-20T19:18:38.74
ST.GAGG.HNE. ML:1.8 0.00013229209 0.1408 AML other m 2018-02-20T19:18:38.65
SI.BOSI.HHE. ML:2.4 0.0004697411 0.1664 AML other m 2018-02-20T19:18:37.89
SI.BOSI.HHN. ML:2.4 0.0004544435 0.1664 AML other m 2018-02-20T19:18:38.53
SI.LUSI.HHN. ML:2.3 0.0003111756 0.128 AML other m 2018-02-20T19:18:41.66
SI.LUSI.HHE. ML:2.1 0.00021082135 0.128 AML other m 2018-02-20T19:18:41.91
SI.ROSI.HHE. ML:1.8 0.000085392515 0.256 AML other m 2018-02-20T19:18:48.01
SI.ROSI.HHN. ML:2.1 0.00015890825 0.1664 AML other m 2018-02-20T19:18:44.44
MN.TUE.HNE. ML:1.7 0.00006698978999999999 0.1792 AML other m 2018-02-20T19:18:44.78
MN.TUE.HHE. ML:1.8 0.000077282515 0.1792 AML other m 2018-02-20T19:18:44.78
MN.TUE.HHN. ML:1.8 0.00008148327499999999 0.1408 AML other m 2018-02-20T19:18:46.50
MN.TUE.HNN. ML:1.8 0.000069931835 0.1792 AML other m 2018-02-20T19:18:46.50
ST.DOSS.HHE. ML:2.1 0.0001327127 0.2176 AML other m 2018-02-20T19:18:47.26
ST.DOSS.HNE. ML:2.2 0.00018255042 0.2816 AML other m 2018-02-20T19:18:46.60
ST.DOSS.HHN. ML:2.2 0.0001696243 0.2816 AML other m 2018-02-20T19:18:46.60
ST.DOSS.HNN. ML:2.1 0.00012961185 0.2432 AML other m 2018-02-20T19:18:47.37
IV.ZONE.HHN. ML:2.5 0.00039105440000000003 0.1664 AML other m 2018-02-20T19:18:46.45
IV.ZONE.HNN. ML:2.1 0.00014983905 0.7808 AML other m 2018-02-20T19:18:35.35
IV.ZONE.HHE. ML:2.6 0.000448934 0.1536 AML other m 2018-02-20T19:18:46.58
IV.ZONE.HNE. ML:2.0 0.00012648555 0.576 AML other m 2018-02-20T19:18:47.69
IV.BRES.EHN. ML:2.1 0.000133163745 0.3072 AML other m 2018-02-20T19:18:51.24
IV.BRES.EHE. ML:2.1 0.00013243501 0.3328 AML other m 2018-02-20T19:18:49.47
IV.SALO.HHN. ML:2.2 0.00013776505 0.2048 AML other m 2018-02-20T19:18:52.58
IV.SALO.HNN. ML:2.2 0.0001346369 0.1792 AML other m 2018-02-20T19:18:50.96
IV.SALO.HNE. ML:2.1 0.0001194981 0.2432 AML other m 2018-02-20T19:18:51.60
IV.SALO.HHE. ML:2.1 0.00011902270000000001 0.2432 AML other m 2018-02-20T19:18:51.60
IV.CTI.HHN. ML:2.5 0.00026310785 0.1664 AML other m 2018-02-20T19:18:51.17
IV.CTI.HHE. ML:2.6 0.00036384860000000005 0.2304 AML other m 2018-02-20T19:18:51.73
IV.MDI.HHN. ML:2.1 0.00011405161 0.2816 AML other m 2018-02-20T19:18:50.89
IV.MDI.HHE. ML:2.1 0.0001227072 0.256 AML other m 2018-02-20T19:18:52.06
IV.ROVR.HHE. ML:1.8 0.000049835955 0.1408 AML other m 2018-02-20T19:18:51.11
IV.ROVR.HHN. ML:2.1 0.00010815158999999999 0.1664 AML other m 2018-02-20T19:18:51.12
IV.ROVR.HNN. ML:2.5 0.0002609839 0.2176 AML other m 2018-02-20T19:18:51.97
OX.AGOR.HHE. ML:2.2 0.00012729259500000002 0.2816 AML other m 2018-02-20T19:18:56.08
OX.AGOR.HNN. ML:2.3 0.00015228532349999998 0.32 AML other m 2018-02-20T19:18:54.64
OX.AGOR.HHN. ML:2.3 0.00014638460000000001 0.32 AML other m 2018-02-20T19:18:54.64
OX.AGOR.HNE. ML:2.4 0.00016803694499999998 0.4608 AML other m 2018-02-20T19:18:58.89
CH.MUGIO.HHN. ML:1.8 0.000046886475 0.3456 AML other m 2018-02-20T19:19:06.51
CH.MUGIO.HHE. ML:1.9 0.00004960214 0.3328 AML other m 2018-02-20T19:18:58.48
OX.VARN.HHE. ML:2.7 0.00031312405 0.3584 AML other m 2018-02-20T19:19:00.74
OX.VARN.HHN. ML:2.6 0.00021965455 0.2432 AML other m 2018-02-20T19:19:01.80
OX.VARN.HNE. ML:2.7 0.00029954055 0.3584 AML other m 2018-02-20T19:19:00.74
OX.VARN.HNN. ML:2.6 0.00022432045 0.2432 AML other m 2018-02-20T19:19:01.80
OX.CIMO.HHE. ML:1.8 0.0000368348005 0.2176 AML other m 2018-02-20T19:19:05.35
OX.CIMO.HHN. ML:1.9 0.000042778184999999995 0.2816 AML other m 2018-02-20T19:19:05.12
OX.CIMO.HNE. ML:1.8 0.000032674670000000005 0.192 AML other m 2018-02-20T19:19:05.36
OX.CIMO.HNN. ML:2.0 0.00004833146 0.2944 AML other m 2018-02-20T19:19:03.88
IV.VARE.HHN. ML:2.1 0.000064736825 0.3712 AML other m 2018-02-20T19:19:11.27
IV.VARE.HHE. ML:2.0 0.000052411985 0.2816 AML other m 2018-02-20T19:19:09.13
OX.CLUD.HHN. ML:2.3 0.000063345885 0.5632 AML other m 2018-02-20T19:19:14.28
OX.CLUD.HHE. ML:2.0 0.000035024275 0.7808 AML other m 2018-02-20T19:19:14.40
OX.CLUD.HNN. ML:2.2 0.000053880095000000006 0.4736 AML other m 2018-02-20T19:19:15.19
OX.ZOU2.HHE. ML:2.2 0.000052835055 0.7424 AML other m 2018-02-20T19:19:15.04
OX.ZOU2.HHN. ML:2.1 0.00004725815999999999 0.3584 AML other m 2018-02-20T19:19:16.56
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