Earthquake with magnitude of ML 0.7 on date 27-08-2021 and time 18:38:08 (UTC) in region 5 km E Ala (TN)

A magnitude ML 0.7 earthquake occured in region: 5 km E Ala (TN), on

  • 27-08-2021 18:38:08 (UTC)
  • 27-08-2021 20:38:08 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 45.7570, 11.0680 at 5 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 5 8913 8913
Vallarsa TN 5 1395 10308
Avio TN 10 4133 14441
Brentonico TN 11 4015 18456
Trambileno TN 13 1452 19908
Mori TN 13 9678 29586
Recoaro Terme VI 14 6453 36039
Erbezzo VR 14 740 36779
Rovereto TN 15 39289 76068
Valli del Pasubio VI 15 3242 79310
Terragnolo TN 15 716 80026
Bosco Chiesanuova VR 15 3600 83626
Isera TN 15 2735 86361
Posina VI 16 566 86927
Velo Veronese VR 17 770 87697
Sant'Anna d'Alfaedo VR 17 2553 90250
Selva di Progno VR 17 933 91183
Ronzo-Chienis TN 18 976 92159
Brentino Belluno VR 18 1395 93554
Nogaredo TN 18 2065 95619
Laghi VI 18 133 95752
Volano TN 18 3169 98921
Villa Lagarina TN 18 3778 102699
Roverè Veronese VR 18 2115 104814
Ferrara di Monte Baldo VR 19 226 105040
Pomarolo TN 19 2452 107492
Torrebelvicino VI 19 5917 113409
Nomi TN 19 1398 114807
Folgaria TN 20 3191 117998
Nago-Torbole TN 20 2867 120865
Crespadoro VI 20 1330 122195
Calliano TN 20 1807 124002

Municipalities with at least 50000 inhabitants

An earthquake occurred to
35 Km S of Trento (117317 inhabitants)
36 Km N of Verona (258765 inhabitants)
44 Km NW of Vicenza (112953 inhabitants)
70 Km E of Brescia (196480 inhabitants)
74 Km NW of Padova (210401 inhabitants)
86 Km S of Bolzano (106441 inhabitants)
92 Km W of Treviso (83731 inhabitants)
95 Km NW of Rovigo (51867 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 0.7 2021-08-27
18:38:08
45.7573 11.0682 5 2021-12-29
11:12:52
Bollettino Sismico Italiano INGV 97715081
Reviewed
Rev100
ML 0.9 2021-08-27
18:38:08
45.7567 11.0623 5 2021-08-27
19:17:06
Sala Sismica INGV-Roma 94719401
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-08-27 18:38:08 ± 0.35
Latitude 45.7573 ± 0.0054
Longitude 11.0682 ± 0.0103
Depth (km) 5 ± 4 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 97715081

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 818
Semi-minor axis of confidence ellipse (meter) 349
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 66
Circular confidence region, given by single value of horizontal uncertainty (meter) 820.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 121
Number of associated phases, regardless of their use for origin computation 16
Number of defining phases 10
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.28
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.22033
Number of stations at which the event was observed 11
Number of stations from which data was used for origin computation 5
Magnitudes information

ML:0.7

Field Value
Value 0.7
Uncertainty 0.2
Num. used stations 4
Type of magnitude ML
Reference to an origin 97715081
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2021-11-23 11:33:57

ML:0.9

Field Value
Value 0.9
Uncertainty 0.6
Num. used stations 6
Type of magnitude ML
Reference to an origin 94719401
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-08-27 19:17:06
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
GU.RORO.HHZ. 2021-08-27T18:39:40.82 3.0 undecidable manual Sg 13.27 0
IV.ARVD.HHZ. 2021-08-27T18:39:27.30 3.0 undecidable manual Sg 5.53 0
IV.FIAM.HHZ. 2021-08-27T18:39:14.95 3.0 positive manual Pg 10.1 0
IV.SARZ.HHZ. 2021-08-27T18:39:04.83 3.0 undecidable manual Sn -0.01 0
IV.FIR.HHZ. 2021-08-27T18:38:41.96 3.0 undecidable manual Pg 1.04 0
ST.CARE.HNZ. 2021-08-27T18:38:20.60 3.0 negative manual P -0.13 0
SI.LUSI.HHZ. 2021-08-27T18:38:16.48 0.6 undecidable manual S 337 24.4533 102 -0.61 43
ST.VARA.HNE. 2021-08-27T18:38:14.15 0.3 undecidable manual S 300 15.2736 109 0.1 75
OX.MARN.HHZ. 2021-08-27T18:38:14.25 0.3 undecidable manual S 140 17.1717 107 -0.42 70
ST.DOSS.HHE. 2021-08-27T18:38:14.56 0.6 undecidable manual S 34 16.5723 108 0.1 50
SI.LUSI.HHZ. 2021-08-27T18:38:13.24 0.1 undecidable manual P 337 24.4533 102 -0.18 97
IV.ROVR.HHZ. 2021-08-27T18:38:13.12 0.3 undecidable manual S 179 12.2766 114 0.05 76
OX.MARN.HHZ. 2021-08-27T18:38:12.10 0.3 undecidable manual P 140 17.1717 107 0.07 75
ST.DOSS.HHE. 2021-08-27T18:38:12.32 0.3 undecidable manual P 34 16.5723 108 0.42 70
IV.ROVR.HHZ. 2021-08-27T18:38:11.21 0.1 undecidable manual P 179 12.2766 114 0.11 100
ST.VARA.HNE. 2021-08-27T18:38:11.78 0.3 undecidable manual P 300 15.2736 109 0.11 75
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.ROVR.HHN. ML:1.0 0.00014399999999999998 0.1 AML other m 2021-08-27T18:38:13.24
IV.ROVR.HHE. ML:0.6 0.000050900000000000004 0.18 AML other m 2021-08-27T18:38:13.35
OX.MARN.HHN. ML:0.7 0.0000462 0.32 AML other m 2021-08-27T18:38:14.48
OX.MARN.HHE. ML:0.6 0.00004045 0.34 AML other m 2021-08-27T18:38:14.92
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