Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.5 on date 21-10-2019 and time 19:56:32 (Italy) in region Confine Italia Svizzera (SVIZZERA)

A magnitude ML 1.5 earthquake occured in region: Confine Italia Svizzera (SVIZZERA), on

  • 21-10-2019 17:56:32 (UTC)
  • 21-10-2019 19:56:32 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 46.5890, 10.4220 at 10 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
Tubre BZ 7 977 977
Stelvio BZ 10 1161 2138
Prato allo Stelvio BZ 13 3474 5612
Bormio SO 14 4121 9733
Glorenza BZ 14 896 10629
Valfurva SO 14 2638 13267
Valdidentro SO 15 4125 17392
Malles Venosta BZ 15 5162 22554
Sluderno BZ 15 1804 24358
Valdisotto SO 18 3556 27914

Municipalities with at least 50000 inhabitants

An earthquake occurred to
72 Km W of Bolzano (106441 inhabitants)
79 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 1.5 2019-10-21
17:56:32		 46.5887 10.422 10 2020-02-28
16:42:27		 Bollettino Sismico Italiano INGV 76703601
Reviewed
Rev100 		ML 1.5 2019-10-21
17:56:32		 46.5802 10.4242 10 2019-10-21
18:08:18		 Sala Sismica INGV-Roma 73378651
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2019-10-21 17:56:32 ± 0.1
Latitude 46.5887 ± 0.0063
Longitude 10.4220 ± 0.0079
Depth (km) 10 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 76703601

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 695
Semi-minor axis of confidence ellipse (meter) 497
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 1
Circular confidence region, given by single value of horizontal uncertainty (meter) 690.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 126
Number of associated phases, regardless of their use for origin computation 31
Number of defining phases 30
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.34
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.90652
Number of stations at which the event was observed 18
Number of stations from which data was used for origin computation 17
Magnitudes information

ML:1.5

Field Value
Value 1.5
Uncertainty 0.3
Num. used stations 20
Type of magnitude ML
Reference to an origin 73378651
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2019-10-21 18:08:18

ML:1.5

Field Value
Value 1.5
Uncertainty 0.3
Num. used stations 20
Type of magnitude ML
Reference to an origin 76703601
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-02-21 16:05:19
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
ST.DOSS.HHZ. 2019-10-21T17:57:02.55 0.6 undecidable manual S 143 98.124 50 1.14 29
SI.LUSI.HHZ. 2019-10-21T17:56:56.74 0.6 undecidable manual S 150 80.4639 50 0.05 44
SI.ROSI.HHZ. 2019-10-21T17:56:56.97 0.6 undecidable manual S 63 84.1491 50 -0.7 36
SI.PLONS.HHZ. 2019-10-21T17:56:54.30 3.0 undecidable manual P 0
ST.RONC.EHZ. 2019-10-21T17:56:53.24 0.6 undecidable manual S 167 69.2751 50 -0.46 41
IV.MABI.HHZ. 2019-10-21T17:56:50.31 0.6 undecidable manual S 173 59.5959 50 -0.83 36
IV.BRES.EHZ. 2019-10-21T17:56:49.91 0.6 undecidable manual P 83 100.6215 50 0.34 40
ST.ZIAN.EHZ. 2019-10-21T17:56:49.36 0.3 undecidable manual P 111 93.8394 50 0.84 51
ST.DOSS.HHZ. 2019-10-21T17:56:49.68 0.6 undecidable manual P 143 98.124 50 0.51 38
ST.OZOL.EHZ. 2019-10-21T17:56:48.44 0.3 undecidable manual S 113 52.3032 50 -0.73 57
SI.ROSI.HHZ. 2019-10-21T17:56:47.06 0.1 undecidable manual P 63 84.1491 50 0.04 87
MN.TUE.HHZ. 2019-10-21T17:56:47.22 0.6 undecidable manual P 261 83.0502 50 0.37 41
CH.DAVOX.HHZ. 2019-10-21T17:56:47.01 0.6 undecidable manual S 297 46.4202 50 -0.6 41
SI.LUSI.HHZ. 2019-10-21T17:56:46.81 1.0 undecidable manual P 150 80.4639 50 0.36 20
ST.RONC.EHZ. 2019-10-21T17:56:45.24 0.1 undecidable manual P 167 69.2751 50 0.51 81
CH.BERNI.HHZ. 2019-10-21T17:56:44.46 0.3 undecidable manual S 238 36.1416 50 -0.4 66
IV.APPI.EHZ. 2019-10-21T17:56:43.99 0.1 undecidable manual P 101 62.6928 50 0.27 86
IV.MABI.HHZ. 2019-10-21T17:56:43.55 0.1 undecidable manual P 173 59.5959 50 0.31 86
ST.OZOL.EHZ. 2019-10-21T17:56:42.29 0.1 undecidable manual P 113 52.3032 50 0.18 90
CH.DAVOX.HHZ. 2019-10-21T17:56:41.22 0.1 positive manual P 297 46.4202 50 0.01 94
ST.CARE.EHZ. 2019-10-21T17:56:41.94 0.3 undecidable manual S 131 27.6501 50 -0.64 62
CH.BERNI.HHZ. 2019-10-21T17:56:39.69 0.1 undecidable manual P 238 36.1416 50 0.07 94
ST.CARE.EHZ. 2019-10-21T17:56:38.17 0.1 negative manual P 131 27.6501 50 -0.14 95
IV.BORM.HNZ. 2019-10-21T17:56:38.00 0.6 undecidable manual S 195 13.6752 125 -0.29 47
IV.BRMO.HHZ. 2019-10-21T17:56:37.82 0.3 undecidable manual S 197 13.0758 127 -0.29 70
CH.FUORN.HHZ. 2019-10-21T17:56:37.75 0.3 undecidable manual S 286 12.5763 128 -0.23 71
SI.MOSI.HHZ. 2019-10-21T17:56:36.62 0.6 undecidable manual S 72 10.1787 134 -0.73 41
CH.FUORN.HHZ. 2019-10-21T17:56:35.88 0.1 negative manual P 286 12.5763 128 0.23 95
IV.BORM.HNZ. 2019-10-21T17:56:35.96 0.1 undecidable manual P 195 13.6752 125 0.14 97
SI.MOSI.HHZ. 2019-10-21T17:56:35.27 0.1 positive manual P 72 10.1787 134 -0.01 100
IV.BRMO.HHZ. 2019-10-21T17:56:35.85 0.1 positive manual P 197 13.0758 127 0.13 97
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
SI.MOSI.HHE. ML:1.8 0.0008160000000000001 0.82 AML other m 2019-10-21T17:56:37.45
SI.MOSI.HHN. ML:2.0 0.0011949999999999999 0.26 AML other m 2019-10-21T17:56:37.92
CH.FUORN.HHE. ML:1.6 0.0005369999999999999 1.54 AML other m 2019-10-21T17:56:37.97
CH.FUORN.HHN. ML:1.5 0.00033650000000000005 0.28 AML other m 2019-10-21T17:56:38.04
ST.CARE.EHE. ML:1.3 0.000105 0.42 AML other m 2019-10-21T17:56:42.12
ST.CARE.EHN. ML:1.5 0.00017259999999999997 0.06 AML other m 2019-10-21T17:56:42.14
CH.BERNI.HHN. ML:1.2 0.0000635 0.98 AML other m 2019-10-21T17:56:45.94
CH.BERNI.HHE. ML:1.3 0.00007280000000000001 0.66 AML other m 2019-10-21T17:56:45.55
CH.DAVOX.HHE. ML:1.8 0.000193 0.6 AML other m 2019-10-21T17:56:47.58
CH.DAVOX.HHN. ML:2.0 0.000298 0.36 AML other m 2019-10-21T17:56:48.66
IV.MABI.HHE. ML:1.3 0.000044200000000000004 0.26 AML other m 2019-10-21T17:56:50.50
IV.MABI.HHN. ML:1.4 0.0000523 0.44 AML other m 2019-10-21T17:56:51.91
ST.RONC.EHE. ML:1.8 0.0001095 0.94 AML other m 2019-10-21T17:56:54.77
ST.RONC.EHN. ML:1.8 0.0001115 1 AML other m 2019-10-21T17:56:55.37
SI.LUSI.HHE. ML:1.3 0.0000266 0.46 AML other m 2019-10-21T17:56:58.24
SI.LUSI.HHN. ML:1.6 0.0000589 1.24 AML other m 2019-10-21T17:56:58.00
SI.ROSI.HHN. ML:1.4 0.000029400000000000003 0.66 AML other m 2019-10-21T17:56:58.74
SI.ROSI.HHE. ML:1.4 0.000034049999999999994 0.24 AML other m 2019-10-21T17:56:59.13
MN.TUE.HHE. ML:1.2 0.00002175 0.28 AML other m 2019-10-21T17:57:00.28
MN.TUE.HHN. ML:1.2 0.000017849999999999997 0.42 AML other m 2019-10-21T17:57:04.94
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