Earthquake with magnitude of ML 1.7 on date 23-01-2021 and time 12:28:33 (Italy) in region 6 km SW Ledro (TN)

A magnitude ML 1.7 earthquake occured in region: 6 km SW Ledro (TN), on

  • 23-01-2021 11:28:33 (UTC)
  • 23-01-2021 12:28:33 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 45.84, 10.7 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
Ledro TN 6 5395 5395
Limone sul Garda BS 8 1181 6576
Storo TN 9 4682 11258
Borgo Chiese TN 9 2029 13287
Magasa BS 9 142 13429
Tremosine sul Garda BS 10 2100 15529
Castel Condino TN 11 229 15758
Pieve di Bono-Prezzo TN 11 1474 17232
Tignale BS 12 1256 18488
Bondone TN 12 670 19158
Valvestino BS 12 184 19342
Riva del Garda TN 12 16926 36268
Malcesine VR 13 3736 40004
Valdaone TN 13 1205 41209
Tenno TN 14 2069 43278
Nago-Torbole TN 14 2867 46145
Capovalle BS 15 369 46514
Sella Giudicarie TN 16 2943 49457
Brenzone sul Garda VR 16 2474 51931
Arco TN 17 17526 69457
Gargnano BS 17 2934 72391
Bagolino BS 18 3897 76288
Anfo BS 18 486 76774

Municipalities with at least 50000 inhabitants

An earthquake occurred to
42 Km SW of Trento (117317 inhabitants)
50 Km NE of Brescia (196480 inhabitants)
51 Km NW of Verona (258765 inhabitants)
74 Km W of Vicenza (112953 inhabitants)
81 Km E of Bergamo (119381 inhabitants)
89 Km SW of Bolzano (106441 inhabitants)
95 Km NE of Cremona (71901 inhabitants)
Recent and historical Seismicity
Seismic hazard
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 Magnitude Date and Time (UTC) Latitude Longitude Depth (km) Published time (UTC) Author Location ID
Reviewed
Rev100
ML 1.7 2021-01-23
11:28:33
45.84 10.69 13 2021-01-23
11:41:44
Sala Sismica INGV-Roma 86491691
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-01-23 11:28:33 ± 0.14
Latitude 45.84 ± 0.00
Longitude 10.69 ± 0.01
Depth (km) 13 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 86491691

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 639
Semi-minor axis of confidence ellipse (meter) 551
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 275
Circular confidence region, given by single value of horizontal uncertainty (meter) 640
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 78
Number of associated phases, regardless of their use for origin computation 36
Number of defining phases 16
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.25
Epicentral distance of station closest to the epicenter (degree) 0
Epicentral distance of station farthest from the epicenter (degree) 0.73385
Number of stations at which the event was observed 27
Number of stations from which data was used for origin computation 9
Magnitude information

ML:1.7

Field Value
Value 1.7
Uncertainty 0.1
Num. used stations 10
Type of magnitude ML
Reference to an origin 86491691
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-01-23 11:41:44
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
IV.MTGR.HHZ. 2021-01-23T11:30:08.25 3.0 undecidable manual Pn -3.61 0
IV.SPS2.HHZ. 2021-01-23T11:30:07.86 3.0 undecidable manual Pn -4.08 0
IV.MCRV.HHZ. 2021-01-23T11:29:56.71 3.0 undecidable manual Pg 8.57 0
IV.MTMR.HNZ. 2021-01-23T11:29:55.84 3.0 undecidable manual Pg 10.24 0
IV.GAVE.EHZ. 2021-01-23T11:29:55.14 3.0 undecidable manual Sg 2.33 0
IV.VITU.HNZ. 2021-01-23T11:29:48.54 3.0 undecidable manual Pg 8.23 0
IX.CSG3.HNZ.01 2021-01-23T11:29:47.92 3.0 undecidable manual Pn -1.84 0
IV.PTRJ.HNZ. 2021-01-23T11:29:38.12 3.0 undecidable manual Pn 0.38 0
IV.RIBO.EHZ.01 2021-01-23T11:29:28.74 3.0 undecidable manual Sg -1.5 0
TV.SF04.EHZ. 2021-01-23T11:29:23.13 3.0 undecidable manual Sn -9.99 0
IV.TRIF.CHZ. 2021-01-23T11:29:12.86 3.0 undecidable manual Sn -9.99 0
IV.MMO1.EHZ. 2021-01-23T11:29:03.04 3.0 undecidable manual Pn -9.99 0
RF.GEPF.HHZ. 2021-01-23T11:29:02.36 3.0 negative manual Pn 1.41 0
IV.BRES.EHZ. 2021-01-23T11:28:55.21 3.0 undecidable manual P 0
IV.MOSI.HHZ. 2021-01-23T11:28:49.75 3.0 undecidable manual P 0
IV.TRIF.CHZ. 2021-01-23T11:28:49.43 3.0 undecidable manual Pn -8.27 0
ST.ZIAN.EHZ. 2021-01-23T11:28:48.47 3.0 undecidable manual Pn 0.6 0
IV.APPI.EHZ. 2021-01-23T11:28:48.29 0.6 undecidable manual P 30 0.7338 92 0.86 35
ST.DOSS.HHZ. 2021-01-23T11:28:45.48 0.3 undecidable manual S 84 0.3453 94 -0.68 62
ST.GAGG.HHZ. 2021-01-23T11:28:44.86 0.6 undecidable manual S 37 0.3013 95 0 49
ST.PANI.EHZ. 2021-01-23T11:28:43.68 0.6 undecidable manual P 65 0.4892 93 0.42 43
SI.LUSI.HHZ. 2021-01-23T11:28:41.97 0.6 undecidable manual S 56 0.2077 100 -0.15 49
IV.MBAL.EHZ. 2021-01-23T11:28:41.61 0.3 undecidable manual S 142 0.1862 103 0.13 73
ST.RONC.EHZ. 2021-01-23T11:28:40.17 0.3 undecidable manual S 340 0.1448 111 -0.14 74
IV.BAG8.EHE. 2021-01-23T11:28:40.52 0.3 undecidable manual S 262 0.161 107 -0.23 73
ST.GAGG.HHZ. 2021-01-23T11:28:40.25 0.6 undecidable manual P 37 0.3013 95 0.21 47
ST.DOSS.HHZ. 2021-01-23T11:28:40.89 0.3 undecidable manual P 84 0.3453 94 0.1 71
IV.MBAL.EHZ. 2021-01-23T11:28:38.10 0.1 undecidable manual P 142 0.1862 103 0.01 99
IV.MAGA.HHZ. 2021-01-23T11:28:38.65 0.3 undecidable manual S 214 0.0827 134 -0.12 75
SI.LUSI.HHZ. 2021-01-23T11:28:38.32 0.3 undecidable manual P 56 0.2077 100 -0.14 73
IV.BAG8.EHE. 2021-01-23T11:28:37.70 0.6 undecidable manual P 262 0.161 107 0.03 50
IV.SARZ.HHZ. 2021-01-23T11:28:37.57 3.0 undecidable manual S 0
ST.RONC.EHZ. 2021-01-23T11:28:37.47 0.1 undecidable manual P 340 0.1448 111 0.05 100
IV.MAGA.HHZ. 2021-01-23T11:28:36.64 0.1 undecidable manual P 214 0.0827 134 0.12 100
IV.SARZ.HHZ. 2021-01-23T11:28:34.73 3.0 undecidable manual P 0
IV.EUCT.HNZ. 2021-01-23T11:28:33.54 3.0 negative manual P 0.66 0
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.EUCT.HNN. ML:3.2 0.001013 0.48 AML other m 2021-01-23T11:28:35.21
IV.EUCT.HNE. ML:3.3 0.00128 0.44 AML other m 2021-01-23T11:28:37.22
IV.MAGA.HHN. ML:1.8 0.0007165 0.92 AML other m 2021-01-23T11:28:38.41
IV.MAGA.HHE. ML:1.7 0.0005825 0.84 AML other m 2021-01-23T11:28:39.39
ST.RONC.EHE. ML:1.6 0.000292 0.18 AML other m 2021-01-23T11:28:40.17
ST.RONC.EHN. ML:1.6 0.000301 1.08 AML other m 2021-01-23T11:28:41.88
IV.MBAL.EHE. ML:1.8 0.000421 0.12 AML other m 2021-01-23T11:28:42.29
IV.MBAL.HNE. ML:1.8 0.000416 0.28 AML other m 2021-01-23T11:28:42.38
IV.MBAL.HNN. ML:1.7 0.000336 0.14 AML other m 2021-01-23T11:28:42.35
IV.MBAL.EHN. ML:1.8 0.0003995 0.12 AML other m 2021-01-23T11:28:42.37
SI.LUSI.HHE. ML:1.5 0.0001805 0.18 AML other m 2021-01-23T11:28:42.73
SI.LUSI.HHN. ML:1.6 0.0002175 0.28 AML other m 2021-01-23T11:28:42.96
IV.GAVE.EHE. ML:3.6 0.0002465 0.52 AML other m 2021-01-23T11:29:49.48
IV.GAVE.EHN. ML:3.8 0.00037 1 AML other m 2021-01-23T11:30:06.94
TDMT - Time Domain Moment Tensor
Focal Mechanism in the area
Download
Type Description Link
QuakeML - small Event, Origin, FocalMechanism Download
QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download