Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.1 on date 20-05-2017 and time 04:48:58 (Italy) in region 1 km NW Dro (TN)

A magnitude ML 2.1 earthquake occured in region: 1 km NW Dro (TN), on

  • 20-05-2017 02:48:58 (UTC)
  • 20-05-2017 04:48:58 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 45.9700, 10.9050 at 12 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
Dro TN 1 4944 4944
Drena TN 3 570 5514
Arco TN 6 17526 23040
Cavedine TN 6 2987 26027
Fiavè TN 6 1117 27144
Comano Terme TN 8 2956 30100
Tenno TN 8 2069 32169
Bleggio Superiore TN 8 1568 33737
Madruzzo TN 9 2884 36621
Ronzo-Chienis TN 9 976 37597
Stenico TN 10 1170 38767
Riva del Garda TN 11 16926 55693
Nago-Torbole TN 11 2867 58560
Nogaredo TN 11 2065 60625
Villa Lagarina TN 12 3778 64403
San Lorenzo Dorsino TN 12 1599 66002
Pomarolo TN 12 2452 68454
Isera TN 12 2735 71189
Cimone TN 13 728 71917
Volano TN 13 3169 75086
Tre Ville TN 14 1463 76549
Nomi TN 14 1398 77947
Vallelaghi TN 14 5044 82991
Mori TN 14 9678 92669
Rovereto TN 14 39289 131958
Aldeno TN 15 3059 135017
Garniga Terme TN 15 388 135405
Borgo Lares TN 15 698 136103
Calliano TN 15 1807 137910
Tione di Trento TN 16 3635 141545
Ledro TN 16 5395 146940
Besenello TN 16 2654 149594
Trambileno TN 17 1452 151046
Brentonico TN 17 4015 155061
Sella Giudicarie TN 18 2943 158004
Porte di Rendena TN 19 1796 159800
Pelugo TN 19 392 160192
Limone sul Garda BS 19 1181 161373
Spiazzo TN 20 1265 162638
Molveno TN 20 1134 163772

Municipalities with at least 50000 inhabitants

An earthquake occurred to
20 Km SW of Trento (117317 inhabitants)
59 Km N of Verona (258765 inhabitants)
68 Km NW of Vicenza (112953 inhabitants)
69 Km SW of Bolzano (106441 inhabitants)
71 Km NE of Brescia (196480 inhabitants)
98 Km NW of Padova (210401 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 2.1 2017-05-20
02:48:58		 45.9698 10.9047 12 2018-07-06
10:38:19		 Bollettino Sismico Italiano INGV 50745371
Reviewed
Rev100 		ML 2.4 2017-05-20
02:48:58		 45.9723 10.9137 13 2017-05-20
03:03:05		 Sala Sismica INGV-Roma 45553621
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2017-05-20 02:48:58 ± 0.06
Latitude 45.9698 ± 0.0036
Longitude 10.9047 ± 0.0052
Depth (km) 12 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 50745371

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 438
Semi-minor axis of confidence ellipse (meter) 85
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 216
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) 47
Number of associated phases, regardless of their use for origin computation 43
Number of defining phases 43
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) 0.02878
Epicentral distance of station farthest from the epicenter (degree) 1.11966
Number of stations at which the event was observed 25
Number of stations from which data was used for origin computation 25
Magnitudes information

ML:2.4

Field Value
Value 2.4
Uncertainty 0.2
Num. used stations 18
Type of magnitude ML
Reference to an origin 45553621
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2017-05-20 03:03:05

ML:2.1

Field Value
Value 2.1
Uncertainty 0.3
Num. used stations 48
Type of magnitude ML
Reference to an origin 50745371
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2018-01-18 11:54:14
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
SI.ROSI.HHZ. 2017-05-20T02:49:31.41 0.6 undecidable manual S 20 113.0979 90 -0.02 41
CH.BERNI.HHZ. 2017-05-20T02:49:23.09 0.6 undecidable manual S 306 83.6496 90 -0.48 39
SI.MOSI.HHZ. 2017-05-20T02:49:21.70 0.1 undecidable manual S 339 76.6677 90 -0.01 87
CH.DAVOX.HHZ. 2017-05-20T02:49:19.22 0.1 undecidable manual P 319 119.2917 90 0.64 69
OX.CGRP.HHZ. 2017-05-20T02:49:19.25 0.6 undecidable manual S 98 70.1742 90 -0.7 38
OX.CIMO.HHZ. 2017-05-20T02:49:19.69 0.6 undecidable manual P 72 124.2867 90 0.34 37
IV.BRMO.HHZ. 2017-05-20T02:49:19.60 0.6 undecidable manual S 324 69.4749 90 -0.17 43
IV.ZONE.HHZ. 2017-05-20T02:49:18.27 0.6 undecidable manual S 250 64.9905 90 -0.31 42
SI.ROSI.HHZ. 2017-05-20T02:49:18.24 0.1 negative manual P 20 113.0979 90 0.61 70
IV.APPI.EHZ. 2017-05-20T02:49:16.80 0.6 undecidable manual S 24 61.6938 90 -0.89 35
IV.CTI.HHZ. 2017-05-20T02:49:15.75 0.6 undecidable manual S 81 58.0974 90 -0.98 35
OX.AGOR.HHZ. 2017-05-20T02:49:14.95 0.3 undecidable manual P 71 92.6406 90 0.49 57
IV.SALO.HHZ. 2017-05-20T02:49:14.70 0.1 undecidable manual S 217 48.8178 91 0.43 85
IV.TEOL.HHZ. 2017-05-20T02:49:14.52 0.3 undecidable manual P 138 90.0432 90 0.45 58
CH.BERNI.HHZ. 2017-05-20T02:49:13.41 0.1 negative manual P 306 83.6496 90 0.32 81
SI.MOSI.HHZ. 2017-05-20T02:49:12.53 0.1 undecidable manual P 339 76.6677 90 0.52 78
OX.CGRP.HHZ. 2017-05-20T02:49:11.16 0.1 undecidable manual P 98 70.1742 90 0.16 85
IV.BAG8.HNZ. 2017-05-20T02:49:11.20 0.3 undecidable manual S 244 37.5291 91 -0.06 69
IV.BRMO.HHZ. 2017-05-20T02:49:11.11 0.1 negative manual P 324 69.4749 90 0.21 85
IV.ZOVE.HNE. 2017-05-20T02:49:11.62 0.1 undecidable manual P 142 72.9714 90 0.19 84
IV.ROVR.HHZ. 2017-05-20T02:49:10.67 0.6 undecidable manual S 160 38.1285 91 -0.73 39
IV.ZONE.HHZ. 2017-05-20T02:49:10.20 0.1 positive manual P 250 64.9905 90 -0.01 89
IV.APPI.EHZ. 2017-05-20T02:49:09.66 0.1 undecidable manual P 24 61.6938 90 -0.03 90
IV.MAGA.HHZ. 2017-05-20T02:49:09.20 0.1 undecidable manual S 225 30.3474 91 -0.13 93
IV.MABI.HHZ. 2017-05-20T02:49:09.10 0.1 undecidable manual S 288 31.5462 91 -0.55 83
IV.CTI.HHZ. 2017-05-20T02:49:08.96 0.1 undecidable manual P 81 58.0974 90 -0.18 89
ST.CARE.HNZ. 2017-05-20T02:49:08.53 0.1 undecidable manual P 342 53.0025 91 0.17 89
IV.SALO.HHZ. 2017-05-20T02:49:07.81 0.1 undecidable manual P 217 48.8178 91 0.09 91
ST.DOSS.HHZ. 2017-05-20T02:49:06.78 0.3 undecidable manual S 114 24.0537 92 -0.86 58
ST.RONC.HNE. 2017-05-20T02:49:06.80 0.1 undecidable manual S 273 21.7671 93 -0.24 91
IV.ZEN8.HNE. 2017-05-20T02:49:06.23 0.1 undecidable manual P 200 39.2274 91 0 94
ST.VARA.HNE. 2017-05-20T02:49:05.60 0.1 undecidable manual S 182 15.9729 97 0.1 96
IV.ROVR.HHZ. 2017-05-20T02:49:05.87 0.1 negative manual P 160 38.1285 91 -0.2 91
IV.MABI.HHZ. 2017-05-20T02:49:05.08 0.1 undecidable manual P 288 31.5462 91 0.03 95
IV.BAG8.HNZ. 2017-05-20T02:49:05.82 0.1 undecidable manual P 244 37.5291 91 -0.16 91
ST.GAGG.HHZ. 2017-05-20T02:49:04.40 0.1 undecidable manual S 18 13.2756 107 -0.39 91
IV.MAGA.HHZ. 2017-05-20T02:49:04.82 0.1 positive manual P 225 30.3474 91 -0.05 95
ST.RONC.HNE. 2017-05-20T02:49:03.61 0.1 undecidable manual P 273 21.7671 93 0.06 96
ST.DOSS.HHZ. 2017-05-20T02:49:03.70 0.1 negative manual P 114 24.0537 92 -0.19 94
ST.GAGG.HHZ. 2017-05-20T02:49:02.28 0.1 positive manual P 18 13.2756 107 0.03 98
ST.VARA.HNE. 2017-05-20T02:49:02.81 0.1 undecidable manual P 182 15.9729 97 0.15 95
SI.LUSI.HHZ. 2017-05-20T02:49:02.90 0.1 undecidable manual S 111 3.1968 160 0.03 100
SI.LUSI.HHZ. 2017-05-20T02:49:01.37 0.1 positive manual P 111 3.1968 160 0.23 96
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
SI.LUSI.HHE. ML:2.4 0.004415 0.14 AML other m 2017-05-20T02:49:03.00
SI.LUSI.HHN. ML:2.6 0.005825 0.38 AML other m 2017-05-20T02:49:03.15
ST.GAGG.HNE. ML:2.5 0.0029050000000000005 1.12 AML other m 2017-05-20T02:49:04.61
ST.GAGG.HNN. ML:2.5 0.00309 1.22 AML other m 2017-05-20T02:49:04.00
ST.GAGG.HHN. ML:2.5 0.003085 1.12 AML other m 2017-05-20T02:49:04.61
ST.GAGG.HHE. ML:2.5 0.003092308 0.1792 AML other m 2017-05-20T02:49:04.62
ST.DOSS.HHE. ML:2.4 0.001487563 0.32 AML other m 2017-05-20T02:49:07.03
ST.DOSS.HHN. ML:2.5 0.0019233660000000001 0.2608 AML other m 2017-05-20T02:49:07.31
ST.DOSS.HNE. ML:2.5 0.0018308455 0.28 AML other m 2017-05-20T02:49:07.31
ST.DOSS.HNN. ML:2.4 0.00145 0.46 AML other m 2017-05-20T02:49:08.25
IV.MABI.HHN. ML:2.4 0.001008 0.36 AML other m 2017-05-20T02:49:09.37
IV.MABI.HHE. ML:2.1 0.0005700000000000001 0.24 AML other m 2017-05-20T02:49:09.54
IV.MAGA.HHN. ML:2.2 0.0007104999999999999 0.2 AML other m 2017-05-20T02:49:10.80
IV.MAGA.HHE. ML:2.3 0.0009497505499999999 0.3008 AML other m 2017-05-20T02:49:10.93
IV.ROVR.HHE. ML:1.8 0.00021799999999999999 0.14 AML other m 2017-05-20T02:49:10.85
IV.ROVR.HHN. ML:2.1 0.00045185810000000006 0.1408 AML other m 2017-05-20T02:49:10.88
IV.ROVR.HNN. ML:2.5 0.0010724556000000001 0.1408 AML other m 2017-05-20T02:49:10.88
IV.ROVR.HNE. ML:2.2 0.0005600000000000001 0.98 AML other m 2017-05-20T02:49:12.13
SI.MOSI.HHN. ML:2.1 0.0001895 1.76 AML other m 2017-05-20T02:49:14.98
IV.SALO.HHN. ML:2.0 0.0002724852 0.16 AML other m 2017-05-20T02:49:15.71
IV.SALO.HNN. ML:2.0 0.000282 0.86 AML other m 2017-05-20T02:49:16.70
IV.SALO.HNE. ML:1.8 0.000176 1.52 AML other m 2017-05-20T02:49:17.83
IV.SALO.HHE. ML:1.9 0.000199 1.18 AML other m 2017-05-20T02:49:17.81
IV.APPI.EHE. ML:2.4 0.00047099999999999996 1.54 AML other m 2017-05-20T02:49:17.83
IV.APPI.EHN. ML:2.4 0.0005545 1.58 AML other m 2017-05-20T02:49:18.06
IV.CTI.HHE. ML:2.2 0.00037921285000000005 0.1008 AML other m 2017-05-20T02:49:18.62
IV.CTI.HHN. ML:2.2 0.000316 0.18 AML other m 2017-05-20T02:49:18.67
IV.ZONE.HHE. ML:1.9 0.000145 0.34 AML other m 2017-05-20T02:49:19.26
IV.ZONE.HHN. ML:1.9 0.0001404719 0.1808 AML other m 2017-05-20T02:49:19.77
OX.CGRP.HHE. ML:1.9 0.00014650685 0.1616 AML other m 2017-05-20T02:49:20.15
OX.CGRP.HHN. ML:1.9 0.00011949999999999999 0.16 AML other m 2017-05-20T02:49:20.24
IV.BRMO.HHE. ML:2.0 0.0001605 0.16 AML other m 2017-05-20T02:49:20.29
IV.BRMO.HHN. ML:1.6 0.0000665825 0.1392 AML other m 2017-05-20T02:49:20.39
SI.MOSI.HHE. ML:2.2 0.00023649999999999998 0.32 AML other m 2017-05-20T02:49:23.95
CH.BERNI.HHN. ML:1.7 0.00005775 1.52 AML other m 2017-05-20T02:49:23.97
CH.BERNI.HHE. ML:1.6 0.00005305 0.5 AML other m 2017-05-20T02:49:25.23
OX.AGOR.HHN. ML:1.7 0.00005287439 0.2784 AML other m 2017-05-20T02:49:27.46
IV.TEOL.HHE. ML:2.2 0.0001715 0.24 AML other m 2017-05-20T02:49:28.03
OX.AGOR.HHE. ML:1.7 0.00005335 0.98 AML other m 2017-05-20T02:49:28.46
IV.TEOL.HHN. ML:2.2 0.000169 1.22 AML other m 2017-05-20T02:49:30.87
SI.ROSI.HHN. ML:2.4 0.000221 0.28 AML other m 2017-05-20T02:49:32.48
SI.ROSI.HHE. ML:2.2 0.00011899999999999999 0.18 AML other m 2017-05-20T02:49:32.57
CH.DAVOX.HHE. ML:1.7 0.000033799999999999995 1.42 AML other m 2017-05-20T02:49:37.97
CH.DAVOX.HHN. ML:1.7 0.000036150000000000005 0.3 AML other m 2017-05-20T02:49:37.30
OX.CIMO.HHN. ML:1.7 0.00003728683 0.1584 AML other m 2017-05-20T02:49:38.21
OX.CIMO.HNE. ML:1.8 0.00004015000000000001 0.7 AML other m 2017-05-20T02:49:38.94
OX.CIMO.HNN. ML:1.8 0.000050199999999999994 1.44 AML other m 2017-05-20T02:49:38.22
OX.CIMO.HHE. ML:1.7 0.0000359 0.7 AML other m 2017-05-20T02:49:38.94
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
Waveforms Seismic signals in miniseed + resp format Download