Earthquake with magnitude of ML 1.4 on date 26-09-2020 and time 13:43:22 (Italy) in region 3 km NW Ala (TN)

A magnitude ML 1.4 earthquake occured in region: 3 km NW Ala (TN), on

  • 26-09-2020 11:43:22 (UTC)
  • 26-09-2020 13:43:22 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 45.774, 10.968 at 13 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.

Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Ala TN 4 8913 8913
Avio TN 5 4133 13046
Brentonico TN 5 4015 17061
Mori TN 9 9678 26739
Vallarsa TN 12 1395 28134
Malcesine VR 12 3736 31870
Nago-Torbole TN 13 2867 34737
Ronzo-Chienis TN 13 976 35713
Isera TN 13 2735 38448
Trambileno TN 14 1452 39900
Ferrara di Monte Baldo VR 14 226 40126
Rovereto TN 14 39289 79415
Brentino Belluno VR 14 1395 80810
Limone sul Garda BS 14 1181 81991
Erbezzo VR 15 740 82731
Riva del Garda TN 16 16926 99657
Nogaredo TN 16 2065 101722
Sant'Anna d'Alfaedo VR 16 2553 104275
Tremosine sul Garda BS 17 2100 106375
Villa Lagarina TN 17 3778 110153
Brenzone sul Garda VR 17 2474 112627
Arco TN 17 17526 130153
Bosco Chiesanuova VR 18 3600 133753
Volano TN 18 3169 136922
Pomarolo TN 18 2452 139374
Terragnolo TN 19 716 140090
Nomi TN 19 1398 141488
Tenno TN 19 2069 143557
Tignale BS 19 1256 144813

Municipalities with at least 50000 inhabitants

An earthquake occurred to
35 Km SW of Trento (117317 inhabitants)
37 Km N of Verona (258765 inhabitants)
52 Km W of Vicenza (112953 inhabitants)
64 Km E of Brescia (196480 inhabitants)
82 Km W of Padova (210401 inhabitants)
86 Km SW of Bolzano (106441 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 1.4 2020-09-26
11:43:22
45.7742 10.9675 13 2021-02-26
14:55:56
Bollettino Sismico Italiano INGV 83270841
Reviewed
Rev100
ML 1.4 2020-09-26
11:43:22
45.7747 10.978 13 2020-09-26
11:48:41
Sala Sismica INGV-Roma 83269531
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-09-26 11:43:22 ± 0.09
Latitude 45.7742 ± 0.0036
Longitude 10.9675 ± 0.0077
Depth (km) 13 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 83270841

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 602
Semi-minor axis of confidence ellipse (meter) 236
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 113
Circular confidence region, given by single value of horizontal uncertainty (meter) 600
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 96
Number of associated phases, regardless of their use for origin computation 15
Number of defining phases 15
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.19
Epicentral distance of station closest to the epicenter (degree) 0.07195
Epicentral distance of station farthest from the epicenter (degree) 0.37592
Number of stations at which the event was observed 9
Number of stations from which data was used for origin computation 9
Magnitudes information

ML:1.4

Field Value
Value 1.4
Uncertainty 0.4
Num. used stations 14
Type of magnitude ML
Reference to an origin 83269531
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-09-26 11:48:41

ML:1.4

Field Value
Value 1.4
Uncertainty 0.3
Num. used stations 14
Type of magnitude ML
Reference to an origin 83270841
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-09-26 13:48:29
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
ST.RONC.EHZ. 2020-09-26T11:43:34.20 0.3 undecidable manual S 311 0.3157 95 0.09 73
ST.GAGG.HHZ. 2020-09-26T11:43:33.70 0.3 undecidable manual S 359 0.3094 96 -0.21 71
IV.MAGA.HHZ. 2020-09-26T11:43:31.60 0.3 undecidable manual S 270 0.2365 99 -0.16 71
SI.LUSI.HHZ. 2020-09-26T11:43:30.00 0.1 undecidable manual S 355 0.1862 104 -0.3 95
ST.PANI.EHZ. 2020-09-26T11:43:30.26 0.3 undecidable manual P 43 0.3759 94 0.14 70
ST.RONC.EHZ. 2020-09-26T11:43:29.30 1.0 positive manual P 311 0.3157 95 0.19 24
ST.GAGG.HHZ. 2020-09-26T11:43:29.19 1.0 positive manual P 359 0.3094 96 0.2 23
SI.LUSI.HHZ. 2020-09-26T11:43:27.04 0.1 negative manual P 355 0.1862 104 0.13 98
ST.VARA.EHZ. 2020-09-26T11:43:27.49 0.3 undecidable manual S 316 0.0719 140 0.1 76
IV.MAGA.HHZ. 2020-09-26T11:43:27.93 0.1 positive manual P 270 0.2365 99 0.18 97
IV.MBAL.EHZ. 2020-09-26T11:43:27.90 0.1 undecidable manual S 225 0.1079 125 -0.28 96
OX.MARN.HHE. 2020-09-26T11:43:27.25 0.1 undecidable manual P 129 0.2176 100 -0.18 97
ST.DOSS.HHZ. 2020-09-26T11:43:26.99 1.0 undecidable manual P 55 0.1871 104 0.06 25
IV.MBAL.EHZ. 2020-09-26T11:43:25.80 0.1 undecidable manual P 225 0.1079 125 0.12 100
ST.VARA.EHZ. 2020-09-26T11:43:25.47 0.1 undecidable manual P 316 0.0719 140 0.24 98
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.MBAL.HNN. ML:1.5 0.0003065 0.08 AML other m 2020-09-26T11:43:28.00
IV.MBAL.EHE. ML:1.6 0.0004095 1.9 AML other m 2020-09-26T11:43:28.00
ST.VARA.EHN. ML:1.7 0.0005705 1.5 AML other m 2020-09-26T11:43:28.09
IV.MBAL.EHN. ML:1.8 0.000604 0.08 AML other m 2020-09-26T11:43:28.14
IV.MBAL.HNE. ML:1.8 0.0006195 0.08 AML other m 2020-09-26T11:43:28.14
ST.VARA.EHE. ML:1.8 0.0007345 0.66 AML other m 2020-09-26T11:43:28.81
SI.LUSI.HHE. ML:1.3 0.0001375 0.14 AML other m 2020-09-26T11:43:30.25
SI.LUSI.HHN. ML:1.5 0.000192 0.84 AML other m 2020-09-26T11:43:30.25
ST.DOSS.HHE. ML:0.8 4.685E-5 0.86 AML other m 2020-09-26T11:43:30.30
ST.DOSS.HHN. ML:0.8 3.97E-5 0.42 AML other m 2020-09-26T11:43:31.09
IV.MAGA.HHN. ML:1.2 8.0837975E-5 0.1024 AML other m 2020-09-26T11:43:31.88
IV.MAGA.HHE. ML:1.2 7.301926E-5 0.2816 AML other m 2020-09-26T11:43:32.51
ST.GAGG.HHE. ML:0.8 2.29373655E-5 0.3424 AML other m 2020-09-26T11:43:34.48
ST.GAGG.HHN. ML:1 3.8182115E-5 0.2016 AML other m 2020-09-26T11:43:35.32
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