Earthquake with magnitude of ML 1.3 on date 06-06-2021 and time 05:21:30 (UTC) in region 6 km W Castel del Rio (BO)

A magnitude ML 1.3 earthquake occured in region: 6 km W Castel del Rio (BO), on

  • 06-06-2021 05:21:30 (UTC)
  • 06-06-2021 07:21:30 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 44.2110, 11.4320 at 9 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
Castel del Rio BO 6 1246 1246
Monghidoro BO 9 3749 4995
Loiano BO 11 4294 9289
Firenzuola FI 11 4726 14015
Fontanelice BO 12 1943 15958
Monterenzio BO 13 6035 21993
Palazzuolo sul Senio FI 14 1154 23147
Monzuno BO 15 6328 29475
Borgo Tossignano BO 15 3288 32763
Casola Valsenio RA 15 2617 35380
San Benedetto Val di Sambro BO 16 4315 39695
Casalfiumanese BO 18 3438 43133

Municipalities with at least 50000 inhabitants

An earthquake occurred to
28 Km SW of Imola (69797 inhabitants)
32 Km S of Bologna (386663 inhabitants)
37 Km W of Faenza (58541 inhabitants)
45 Km NE of Prato (191150 inhabitants)
49 Km W of Forlì (117913 inhabitants)
51 Km N of Firenze (382808 inhabitants)
51 Km NE of Pistoia (90315 inhabitants)
54 Km NE of Scandicci (50609 inhabitants)
63 Km SE of Modena (184973 inhabitants)
65 Km W of Cesena (96758 inhabitants)
65 Km W of Ravenna (159116 inhabitants)
71 Km S of Ferrara (133155 inhabitants)
77 Km SE of Carpi (70699 inhabitants)
84 Km SE of Reggio nell'Emilia (171345 inhabitants)
85 Km E of Lucca (89046 inhabitants)
90 Km NW of Arezzo (99543 inhabitants)
92 Km W of Rimini (147750 inhabitants)
99 Km NE of Pisa (89158 inhabitants)
100 Km N of Siena (53903 inhabitants)
100 Km SW 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 1.3 2021-06-06
05:21:30
44.2108 11.4315 9 2021-12-29
11:12:08
Bollettino Sismico Italiano INGV 92179071
Reviewed
Rev100
ML 1.5 2021-06-06
05:21:30
44.2195 11.4323 10 2021-06-06
06:13:39
Sala Sismica INGV-Roma 90846651
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-06-06 05:21:30 ± 0.11
Latitude 44.2108 ± 0.0072
Longitude 11.4315 ± 0.0075
Depth (km) 9 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 92179071

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 636
Semi-minor axis of confidence ellipse (meter) 494
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 346
Circular confidence region, given by single value of horizontal uncertainty (meter) 640.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 64
Number of associated phases, regardless of their use for origin computation 23
Number of defining phases 23
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.35
Epicentral distance of station closest to the epicenter (degree) 0.10162
Epicentral distance of station farthest from the epicenter (degree) 0.48743
Number of stations at which the event was observed 12
Number of stations from which data was used for origin computation 12
Magnitudes information

ML:1.5

Field Value
Value 1.5
Uncertainty 0.3
Num. used stations 20
Type of magnitude ML
Reference to an origin 90846651
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-06-06 06:13:39

ML:1.3

Field Value
Value 1.3
Uncertainty 0.3
Num. used stations 20
Type of magnitude ML
Reference to an origin 92179071
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2021-10-13 10:14:48
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.ASQU.HHZ. 2021-06-06T05:21:49.02 0.6 undecidable manual S 148 54.1014 50 0.81 39
IV.SFI.EHZ. 2021-06-06T05:21:46.92 0.6 undecidable manual S 136 47.4192 50 0.48 44
IV.MPPT.EHZ. 2021-06-06T05:21:44.62 0.6 undecidable manual S 224 39.1275 50 0.4 46
IV.RUFI.EHZ. 2021-06-06T05:21:44.92 0.6 undecidable manual S 171 41.8248 50 -0.02 49
IV.IMOL.EHZ. 2021-06-06T05:21:43.35 0.6 undecidable manual S 56 29.6481 107 1.67 25
IV.MOCL.EHZ. 2021-06-06T05:21:42.00 0.6 undecidable manual S 221 30.3474 50 0.12 49
IV.FNVD.HHZ. 2021-06-06T05:21:40.16 0.6 undecidable manual S 259 25.0527 110 0.03 51
IV.ASQU.HHZ. 2021-06-06T05:21:40.45 0.3 undecidable manual P 148 54.1014 50 -0.44 66
IV.BRIS.HHZ. 2021-06-06T05:21:40.90 0.6 undecidable manual S 87 26.6511 109 0.22 48
IV.LMD.HHZ. 2021-06-06T05:21:40.80 0.6 undecidable manual S 124 26.4513 109 0.19 49
IV.SFI.EHZ. 2021-06-06T05:21:39.51 0.3 undecidable manual P 136 47.4192 50 -0.36 68
IV.ZCCA.HNN. 2021-06-06T05:21:39.07 0.3 undecidable manual P 293 39.3273 50 0.45 68
IV.RUFI.EHZ. 2021-06-06T05:21:38.66 0.3 undecidable manual P 171 41.8248 50 -0.34 69
IV.SEI.HHZ. 2021-06-06T05:21:38.67 0.6 undecidable manual S 199 18.2706 117 0.67 43
IV.MPPT.EHZ. 2021-06-06T05:21:38.32 0.3 undecidable manual P 224 39.1275 50 -0.26 70
IV.IMOL.EHZ. 2021-06-06T05:21:37.05 0.1 negative manual P 56 29.6481 107 -0.07 100
IV.MOCL.EHZ. 2021-06-06T05:21:37.18 0.3 undecidable manual P 221 30.3474 50 -0.05 75
IV.LMD.HHZ. 2021-06-06T05:21:36.09 0.1 positive manual P 124 26.4513 109 -0.41 93
IV.BRIS.HHZ. 2021-06-06T05:21:36.13 0.1 undecidable manual P 87 26.6511 109 -0.41 93
IV.MTRZ.HHZ. 2021-06-06T05:21:36.40 0.6 undecidable manual S 357 11.2776 129 0.46 47
IV.SEI.HHZ. 2021-06-06T05:21:35.13 0.1 undecidable manual P 199 18.2706 117 0.14 100
IV.FNVD.HHZ. 2021-06-06T05:21:35.98 0.1 positive manual P 259 25.0527 110 -0.25 97
IV.MTRZ.HHZ. 2021-06-06T05:21:33.55 0.1 negative manual P 357 11.2776 129 -0.26 99
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.MTRZ.HHN. ML:1.9 0.00103 0.3 AML other m 2021-06-06T05:21:36.61
IV.MTRZ.HNN. ML:1.9 0.0009730000000000001 0.3 AML other m 2021-06-06T05:21:36.61
IV.MTRZ.HHE. ML:1.8 0.0008187154 0.3616 AML other m 2021-06-06T05:21:36.69
IV.MTRZ.HNE. ML:1.8 0.0007883696499999999 0.3616 AML other m 2021-06-06T05:21:36.70
IV.SEI.HHE. ML:1.5 0.00023542154999999998 0.32 AML other m 2021-06-06T05:21:39.02
IV.SEI.HHN. ML:1.6 0.0003377579 0.1408 AML other m 2021-06-06T05:21:39.50
IV.FNVD.HHE. ML:1.3 0.0001301959 0.24 AML other m 2021-06-06T05:21:40.67
IV.FNVD.HHN. ML:1.6 0.000242 0.1 AML other m 2021-06-06T05:21:40.80
IV.LMD.HHE. ML:1.0 0.000059201855000000003 0.1216 AML other m 2021-06-06T05:21:41.08
IV.LMD.HHN. ML:1.2 0.00008824999999999999 0.12 AML other m 2021-06-06T05:21:41.09
IV.BRIS.HHN. ML:1.3 0.00011779415 0.4 AML other m 2021-06-06T05:21:41.11
IV.BRIS.HHE. ML:1.4 0.00014461210000000002 0.2592 AML other m 2021-06-06T05:21:41.22
IV.MOCL.EHE. ML:1.2 0.00007166042 0.4224 AML other m 2021-06-06T05:21:42.31
IV.MOCL.EHN. ML:1.2 0.0000722526 0.3392 AML other m 2021-06-06T05:21:42.60
IV.MPPT.EHE. ML:0.9 0.000032049005 0.88 AML other m 2021-06-06T05:21:45.10
IV.MPPT.EHN. ML:1.0 0.000035196355 0.2016 AML other m 2021-06-06T05:21:45.06
IV.SFI.EHN. ML:1.0 0.00003229999999999999 1.2 AML other m 2021-06-06T05:21:47.84
IV.SFI.EHE. ML:1.0 0.000027166360000000002 0.9184 AML other m 2021-06-06T05:21:47.82
IV.ASQU.HHE. ML:0.8 0.000015141884999999999 1.36 AML other m 2021-06-06T05:21:49.85
IV.ASQU.HHN. ML:0.8 0.000016498784999999998 0.5792 AML other m 2021-06-06T05:21:49.28
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