INGVCENTRO​NAZIONALE​TERREMOTI
Sala Sismica

Earthquake with magnitude of ML 2.4 on date 20-05-2017 and time 04:48:58 (Italy) in region 1 km N Dro (TN)

A magnitude ML 2.4 earthquake occured in region: 1 km N 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) 45.97, 10.91 at 13 km depth.

The earthquake was located by: Sala Sismica INGV-Roma.

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
Dro TN 1 4944 4944
Drena TN 3 570 5514
Cavedine TN 5 2987 8501
Arco TN 6 17526 26027
Fiavè TN 7 1117 27144
Comano Terme TN 8 2956 30100
Madruzzo TN 8 2884 32984
Bleggio Superiore TN 8 1568 34552
Tenno TN 9 2069 36621
Ronzo-Chienis TN 9 976 37597
Stenico TN 10 1170 38767
Nogaredo TN 11 2065 40832
Villa Lagarina TN 11 3778 44610
Riva del Garda TN 11 16926 61536
Pomarolo TN 11 2452 63988
San Lorenzo Dorsino TN 11 1599 65587
Nago-Torbole TN 12 2867 68454
Isera TN 12 2735 71189
Cimone TN 12 728 71917
Volano TN 13 3169 75086
Nomi TN 13 1398 76484
Vallelaghi TN 14 5044 81528
Aldeno TN 14 3059 84587
Tre Ville TN 14 1463 86050
Rovereto TN 14 39289 125339
Garniga Terme TN 14 388 125727
Mori TN 14 9678 135405
Calliano TN 15 1807 137212
Borgo Lares TN 15 698 137910
Besenello TN 15 2654 140564
Tione di Trento TN 16 3635 144199
Ledro TN 17 5395 149594
Trambileno TN 17 1452 151046
Brentonico TN 17 4015 155061
Sella Giudicarie TN 19 2943 158004
Porte di Rendena TN 19 1796 159800
Trento TN 19 117317 277117
Molveno TN 20 1134 278251
Pelugo TN 20 392 278643
Spiazzo TN 20 1265 279908
Limone sul Garda BS 20 1181 281089

Municipalities with at least 50000 inhabitants

An earthquake occurred to
19 Km SW of Trento (117317 inhabitants)
60 Km N of Verona (258765 inhabitants)
68 Km SW of Bolzano (106441 inhabitants)
68 Km NW of Vicenza (112953 inhabitants)
72 Km NE of Brescia (196480 inhabitants)
98 Km NW of Padova (210401 inhabitants)
Recent and historical Seismicity

These maps show the seismicity for different time windows. The earthquake locations reported in these maps are determined in quasi real-time by the personnel on duty in the seismic surveillance center of INGV in Rome. Note that the earthquake source parameters (hypocentral location and magnitude) are the best estimates obstained with the available data and they are adjourned as additional data become available. The source parameters obtained by the personnel on duty are then revised by the group in charge of the INGV Seismic Bulletin (Bollettino Sismico Italiano dell’INGV).

Earthquakes of the last three days (72 hours)

Earthquakes of the last three days (72 hours)

This map reports the earthquake epicenters located in the past 72 hours (3 days) from the time this page has been generated. The radius of the circle representing the earthquake on the map scales with magnitude. The color depends on the time of occurrence of the earthquakes with respect to the time of generation of the map (red = 1 hour; orange = 24 hours; yellow = 72 hours). The open star shows the epicenter of the current earthquake.
Earthquakes of the last 90 days

Earthquakes of the last 90 days

This map reports the Magnitudo ≥ 1.0 earthquake epicenters located using the data acquired by the Italian National Seismic Network and by other collaborating networks in Italy and in the neighbouring countries. The radii of the circles representing the epicenters on the map scale with magnitude. The color of each circle depends on the time of occurrence of the earthquakes with respect to the time of generation of the map (red = 1 hour; orange = 24 hours; yellow = 72 hours; blue = all other earthquakes). The open star shows the epicenter of the current earthquake.
Earthquakes since 1985

Earthquakes since 1985

This map reports the Magnitudo ≥ 2.5 earthquake epicenters located using the data acquired by the Italian National Seismic Network and by other collaborating networks in Italy and in the neighbouring countries. The radii of the circles representing the epicenters on the map scale with magnitude. The color of each circle depends on the time of occurrence of the earthquakes with respect to the time of generation of the map (red = 1 hour; orange = 24 hours; yellow = 72 hours; blue = all other earthquakes). The open star shows the epicenter of the current earthquake.
Significant earthquakes since 1000 AD until 2006

Significant earthquakes since 1000 AD until 2006

This map shows the epicenters of the historical earthquakes catalogue CPT11 (Catalogo Parametrico dei Terremoti Italiani, 2011 version) with estimated magnitude ≥ 5.0 since 1000 AD until 2006. The epicenters are represented by squares which sides scale with the estimated earthquake magnitude. For earthquakes with magnitude ≥ 6.0, it is also shown the year of occurrence and the magnitude value. The open star shows the epicenter of the current earthquake.
Seismic hazard

Seismic hazard maps provide probabilistic estimates of the earthquake ground shaking exceeding a given threshold in a given geographic region within a given time window. Thus, it is not a deterministic prediction - a target that may be never reached given the complexity of the earthquake physical phenomenon - nor of the maximum expected earthquake since this has extremely low probabilities to occur.

In 2004, it was published the seismic hazard map of Italy (http://zonesismiche.mi.ingv.it) that provides a picture of the most hazardous geographic regions. The seismic hazard map of Italy (GdL MPS, 2004; rif. Ordinanza PCM del 28 aprile 2006, n. 3519, All. 1b) provides the 10% probability of exceedance in 50 years of the horizontal acceleration at rock sites (i.e., Vs30>800 m/s; cat. A, 3.2.1 of the D.M. 14.09.2005).

The colours indicate the various values of the ground acceleration that have 10% to be exceeded within 50 years. In general, the colours associated to low values of acceleration refer to areas that are less hazardous and stronger earthquakes repeat less frequently although they may still occur.

Seismic hazard map

Seismic hazard map

This map shows the seismic hazard map of Italy for the region where the earthquake occurred.
Shakemap
Felt maps
The earthquake effects in MCS scale as obtained from the compiled questionnaire

The earthquake effects in MCS scale as obtained from the compiled questionnaire

This map shows the distribution of the effects of the earthquake on the territory in terms of the MCS (Mercalli-Cancani-Sieberg) intensity scale. The intensities are determined using the data provided in the questionnaire (http://www.haisentitoilterremoto.it/) that are analysed using robust statistical techniques since they are not verified individually. Specifically, the assignment of MCS intensities greater or equal the VI degree of the MCS scale require opportune in situ verification by professional experts. The purple start shows the epicenter. This map is prepared every so often that the population fill in new questionnaires. The number of questionnaires used to determine the map and the date and time of the last adjournment are shown in the upper right part of the panel.
Locations history
Type Date and Time (UTC) Latitude Longitude Magnitude Depth (km) Published time (UTC) Author Location ID
Rev 100 2017-05-20
02:48:58
45.97 10.91 ML 2.4 13 2017-06-07
07:41:00
Sala Sismica INGV-Roma 45553621
Best location and best magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2017-05-20 02:48:58 ± 0.06
Latitude 45.97 ± 0.00
Longitude 10.91 ± 0.01
Depth (km) 13 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 45553621

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 357
Semi-minor axis of confidence ellipse (meter) 141
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 263
Circular confidence region, given by single value of horizontal uncertainty (meter) 360
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 53
Number of associated phases, regardless of their use for origin computation 72
Number of defining phases 44
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
Epicentral distance of station farthest from the epicenter (degree) 0.75723
Number of stations at which the event was observed 46
Number of stations from which data was used for origin computation 22
Magnitude 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
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
IV.ASSB.HHZ. 2017-05-20T02:50:34.77 3.0 undecidable manual Sg 7.08 0
SL.LJU.BHZ. 2017-05-20T02:50:19.67 3.0 undecidable manual Sn 8.1 0
IV.T1216.EHZ. 2017-05-20T02:49:59.32 3.0 undecidable manual Pg 7.16 0
IV.T1217.EHZ. 2017-05-20T02:49:54.20 3.0 undecidable manual Pn 0.18 0
IV.STAL.HHZ. 2017-05-20T02:49:23.45 3.0 negative manual P 0.75 0
SI.RISI.HHZ. 2017-05-20T02:49:22.96 3.0 negative manual P 0.61 0
NI.POLC.HHZ. 2017-05-20T02:49:20.58 3.0 negative manual P 0.26 0
OX.ACOM.HHZ. 2017-05-20T02:49:34.56 3.0 negative manual Pn 3.49 0
IV.PTCC.HHZ. 2017-05-20T02:49:32.05 3.0 negative manual Pn 2.93 0
CH.FUSIO.HHZ. 2017-05-20T02:49:29.30 3.0 positive manual Pn 2.17 0
OX.ZOU2.HHZ. 2017-05-20T02:49:27.88 3.0 positive manual Pn 1.61 0
IV.BRES.EHZ. 2017-05-20T02:49:16.48 3.0 positive manual P -0.67 0
IV.FVI.HHZ. 2017-05-20T02:49:26.47 3.0 positive manual Pn 1.68 0
OX.CLUD.HHZ. 2017-05-20T02:49:26.22 3.0 positive manual Pn 1.24 0
OE.WTTA.HHZ. 2017-05-20T02:49:24.95 3.0 positive manual P 1.03 0
CH.BERNI.HHZ. 2017-05-20T02:49:13.41 0.1 undecidable manual P 306 0.7572 91 0.43 81
CH.MUGIO.HHZ. 2017-05-20T02:49:23.38 3.0 positive manual P 0.73 0
IV.RAVA.EHZ. 2017-05-20T02:49:23.14 3.0 negative manual P 1.31 0
SI.MOSI.HHZ. 2017-05-20T02:49:12.53 0.1 undecidable manual P 339 0.6907 92 0.69 75
IV.NDIM.HHZ. 2017-05-20T02:49:20.58 3.0 positive manual P 0.69 0
IV.ZOVE.HNE. 2017-05-20T02:49:11.62 0.1 undecidable manual P 142 0.6547 92 0.4 84
OX.CIMO.HHZ. 2017-05-20T02:49:20.28 3.0 negative manual P -0.15 0
IV.CAVE.HHZ. 2017-05-20T02:49:20.84 3.0 negative manual P 0.62 0
IV.BRMO.HHZ. 2017-05-20T02:49:11.11 0.1 negative manual P 324 0.6277 92 0.36 84
OX.CGRP.HHZ. 2017-05-20T02:49:11.16 0.1 undecidable manual P 98 0.6259 92 0.43 84
CH.DAVOX.HHZ. 2017-05-20T02:49:19.28 3.0 negative manual P -0.26 0
SI.BOSI.HHZ. 2017-05-20T02:49:10.75 0.1 undecidable manual P 28 0.5927 92 0.59 80
SI.ROSI.HHZ. 2017-05-20T02:49:18.24 3.0 negative manual P -0.55 0
IV.ZONE.HHZ. 2017-05-20T02:49:10.25 0.1 undecidable manual P 250 0.5927 92 0.1 90
IV.CTI.HHZ. 2017-05-20T02:49:08.96 0.1 undecidable manual P 81 0.5162 92 0.1 92
IV.APPI.EHZ. 2017-05-20T02:49:09.76 0.1 undecidable manual P 23 0.5504 92 0.32 87
IV.TEOL.HHZ. 2017-05-20T02:49:15.32 3.0 positive manual P 0.06 0
OX.AGOR.HHZ. 2017-05-20T02:49:15.12 3.0 negative manual P -0.47 0
IV.SALO.HHZ. 2017-05-20T02:49:07.81 0.1 undecidable manual P 218 0.4461 93 0.16 92
ST.CARE.HNZ. 2017-05-20T02:49:08.53 0.1 undecidable manual P 342 0.4775 93 0.35 87
IV.VOBA.HNE. 2017-05-20T02:49:07.42 0.1 undecidable manual P 221 0.4353 93 -0.05 94
IV.ZEN8.HNE. 2017-05-20T02:49:06.23 0.1 undecidable manual P 201 0.357 94 0.09 95
IV.BAG8.HNZ. 2017-05-20T02:49:05.82 0.1 undecidable manual P 244 0.3453 94 -0.11 95
IV.ROVR.HHZ. 2017-05-20T02:49:05.87 0.1 negative manual P 161 0.3435 94 -0.03 96
IV.MAGA.HHZ. 2017-05-20T02:49:04.82 0.1 positive manual P 225 0.2797 96 0.01 98
IV.MABI.HHZ. 2017-05-20T02:49:05.08 0.1 undecidable manual P 287 0.2896 96 0.1 95
ST.DOSS.HHZ. 2017-05-20T02:49:03.70 0.1 negative manual P 115 0.2122 100 0.04 99
ST.RONC.HNE. 2017-05-20T02:49:03.61 0.1 undecidable manual P 272 0.2023 101 0.11 97
ST.VARA.HNE. 2017-05-20T02:49:02.81 0.1 undecidable manual P 185 0.1466 111 0.23 96
ST.GAGG.HHZ. 2017-05-20T02:49:02.28 0.1 positive manual P 16 0.1151 121 0.18 98
SI.LUSI.HHZ. 2017-05-20T02:49:01.37 0.1 positive manual P 122 0.0243 165 0.22 99
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
OX.AGOR.HHE. ML:1.7 5.335E-5 0.98 AML other m 2017-05-20T02:49:28.46
OX.AGOR.HHN. ML:1.7 6.205E-5 0.52 AML other m 2017-05-20T02:49:33.93
IV.APPI.EHE. ML:2.4 0.000471 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
CH.BERNI.HHN. ML:1.7 5.775E-5 1.52 AML other m 2017-05-20T02:49:23.97
CH.BERNI.HHE. ML:1.6 5.305E-5 0.5 AML other m 2017-05-20T02:49:25.23
SI.BOSI.HHN. ML:2.4 0.000494 1.14 AML other m 2017-05-20T02:49:21.19
SI.BOSI.HHE. ML:2.2 0.0002855 0.34 AML other m 2017-05-20T02:49:27.23
IV.BRMO.HHE. ML:2 0.0001605 0.16 AML other m 2017-05-20T02:49:20.29
IV.BRMO.HHN. ML:1.6 7.265E-5 0.74 AML other m 2017-05-20T02:49:21.39
IV.CAVE.HHE. ML:2.5 0.000243 1.16 AML other m 2017-05-20T02:49:37.24
IV.CAVE.HHN. ML:2.4 0.0001985 0.86 AML other m 2017-05-20T02:49:38.55
OX.CGRP.HHN. ML:1.9 0.0001195 0.16 AML other m 2017-05-20T02:49:20.24
OX.CGRP.HHE. ML:2 0.000179 1.22 AML other m 2017-05-20T02:49:21.16
OX.CIMO.HHN. ML:1.8 3.915E-5 0.88 AML other m 2017-05-20T02:49:38.21
OX.CIMO.HHE. ML:1.7 3.59E-5 0.7 AML other m 2017-05-20T02:49:38.94
OX.CIMO.HNN. ML:1.8 5.02E-5 1.44 AML other m 2017-05-20T02:49:38.22
OX.CIMO.HNE. ML:1.8 4.015E-5 0.7 AML other m 2017-05-20T02:49:38.94
OX.CLUD.HHN. ML:1.6 1.93E-5 0.56 AML other m 2017-05-20T02:49:49.79
OX.CLUD.HHE. ML:1.5 1.73E-5 0.74 AML other m 2017-05-20T02:49:49.14
IV.CTI.HHN. ML:2.2 0.000316 0.18 AML other m 2017-05-20T02:49:18.67
IV.CTI.HHE. ML:2.3 0.000415 0.9 AML other m 2017-05-20T02:49:18.41
CH.DAVOX.HHE. ML:1.7 3.38E-5 1.42 AML other m 2017-05-20T02:49:37.97
CH.DAVOX.HHN. ML:1.7 3.615E-5 0.3 AML other m 2017-05-20T02:49:37.30
ST.DOSS.HHN. ML:2.5 0.00193 0.38 AML other m 2017-05-20T02:49:07.31
ST.DOSS.HNE. ML:2.5 0.001865 0.38 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
ST.DOSS.HHE. ML:2.4 0.001535 0.46 AML other m 2017-05-20T02:49:08.25
CH.FUSIO.HHN. ML:1.9 3.1E-5 0.42 AML other m 2017-05-20T02:49:50.96
CH.FUSIO.HHE. ML:2 3.315E-5 0.98 AML other m 2017-05-20T02:49:55.08
IV.FVI.HHE. ML:1.9 3.32E-5 0.6 AML other m 2017-05-20T02:49:49.38
IV.FVI.HHN. ML:1.9 3.42E-5 0.48 AML other m 2017-05-20T02:49:50.53
ST.GAGG.HHN. ML:2.5 0.003085 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.HNE. ML:2.5 0.002905 1.12 AML other m 2017-05-20T02:49:04.61
ST.GAGG.HHE. ML:2.6 0.003435 0.76 AML other m 2017-05-20T02:49:04.61
SI.LUSI.HHE. ML:2.5 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
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 0.00057 0.24 AML other m 2017-05-20T02:49:09.54
IV.MAGA.HHN. ML:2.2 0.0007105 0.2 AML other m 2017-05-20T02:49:10.80
IV.MAGA.HHE. ML:2.3 0.000985 0.76 AML other m 2017-05-20T02:49:10.40
SI.MOSI.HHE. ML:2.2 0.0002365 0.32 AML other m 2017-05-20T02:49:23.95
SI.MOSI.HHN. ML:2.1 0.0001895 1.76 AML other m 2017-05-20T02:49:14.98
CH.MUGIO.HHE. ML:1.9 4.66E-5 0.4 AML other m 2017-05-20T02:49:43.49
CH.MUGIO.HHN. ML:1.9 4.485E-5 1.22 AML other m 2017-05-20T02:49:43.15
IV.NDIM.HHN. ML:2.5 0.0002545 0.4 AML other m 2017-05-20T02:49:38.33
IV.NDIM.HHE. ML:2.5 0.0002475 0.76 AML other m 2017-05-20T02:49:37.32
NI.POLC.HHN. ML:2.5 0.0002405 1.54 AML other m 2017-05-20T02:49:37.01
NI.POLC.HHE. ML:2.5 0.000227 0.36 AML other m 2017-05-20T02:49:38.96
SI.RISI.HHN. ML:2.6 0.00025 0.38 AML other m 2017-05-20T02:49:40.71
SI.RISI.HHE. ML:2.5 0.0001995 0.4 AML other m 2017-05-20T02:49:41.35
SI.ROSI.HHE. ML:2.2 0.000119 0.18 AML other m 2017-05-20T02:49:32.57
SI.ROSI.HHN. ML:2.4 0.000221 0.28 AML other m 2017-05-20T02:49:32.48
IV.ROVR.HHE. ML:1.8 0.000218 0.14 AML other m 2017-05-20T02:49:10.85
IV.ROVR.HHN. ML:2.2 0.00058 1.34 AML other m 2017-05-20T02:49:11.88
IV.ROVR.HNN. ML:2.6 0.00139 1.34 AML other m 2017-05-20T02:49:11.21
IV.ROVR.HNE. ML:2.2 0.00056 0.98 AML other m 2017-05-20T02:49:12.13
IV.SALO.HHE. ML:1.9 0.000199 1.18 AML other m 2017-05-20T02:49:17.81
IV.SALO.HNN. ML:2 0.000282 0.86 AML other m 2017-05-20T02:49:16.70
IV.SALO.HHN. ML:2 0.0002895 0.88 AML other m 2017-05-20T02:49:16.71
IV.SALO.HNE. ML:1.8 0.000176 1.52 AML other m 2017-05-20T02:49:17.83
IV.STAL.HHN. ML:2.4 0.0001565 1.22 AML other m 2017-05-20T02:49:42.65
IV.STAL.HHE. ML:2.5 0.000168 0.14 AML other m 2017-05-20T02:49:43.29
IV.TEOL.HHN. ML:2.2 0.000169 1.22 AML other m 2017-05-20T02:49:30.87
IV.TEOL.HHE. ML:2.2 0.0001715 0.24 AML other m 2017-05-20T02:49:28.03
OE.WTTA.HHE. ML:2.2 7.835E-5 0.74 AML other m 2017-05-20T02:49:43.68
OE.WTTA.HHN. ML:2.1 6.41E-5 1.26 AML other m 2017-05-20T02:49:44.08
IV.ZONE.HHN. ML:1.9 0.000156 0.64 AML other m 2017-05-20T02:49:20.45
IV.ZONE.HHE. ML:1.9 0.000145 0.34 AML other m 2017-05-20T02:49:19.26
OX.ZOU2.HHE. ML:1.8 2.47E-5 0.92 AML other m 2017-05-20T02:49:54.01
OX.ZOU2.HHN. ML:1.8 2.39E-5 0.92 AML other m 2017-05-20T02:49:58.10
TDMT - Time Domain Moment Tensor
Focal Mechanism in the area
Focal Mechanisms

Focal Mechanisms

This map reports the focal mechanisms since 1977 in the region. The white and red beach ball symbols are mechanisms determined using the Regional Centroid Moment Tensor (RCMT, http://www.bo.ingv.it/RCMT) and are determined for earthquakes with magnitude larger than 4.5 in the Euro-Mediterranenan area. Occasionally, when there is a good source-receiver geometry of the target earthquake, the RCMT can be obtained also for earthquakes with magnitude larger than 4.0. The blue and white beach ball symbols indicate the mechanisms obtained from application of the Time Domain Moment Tensor (TDMT, http://cnt.rm.ingv.it/tdmt.html). This technique is used for M ≥ 3.5. The size of the beach ball sysmbol scales with the calculated moment magnitude, Mw.
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 full SEED format Download