Earthquake with magnitude of ML 1.7 on date 21-01-2020 and time 01:13:02 (Italy) in region 2 km E Castiglione dei Pepoli (BO)

A magnitude ML 1.7 earthquake occured in region: 2 km E Castiglione dei Pepoli (BO), on

  • 21-01-2020 00:13:02 (UTC)
  • 21-01-2020 01:13:02 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 44.1380, 11.1810 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
Castiglione dei Pepoli BO 2 5648 5648
Camugnano BO 8 1885 7533
Vernio PO 10 6060 13593
San Benedetto Val di Sambro BO 10 4315 17908
Castel di Casio BO 12 3448 21356
Grizzana Morandi BO 13 3916 25272
Cantagallo PO 13 3105 28377
Monghidoro BO 14 3749 32126
Sambuca Pistoiese PT 15 1626 33752
Barberino di Mugello FI 16 10836 44588
Firenzuola FI 16 4726 49314
Alto Reno Terme BO 16 6960 56274
Vergato BO 17 7639 63913
Monzuno BO 17 6328 70241
Loiano BO 19 4294 74535
Vaiano PO 19 9895 84430

Municipalities with at least 50000 inhabitants

An earthquake occurred to
29 Km N of Prato (191150 inhabitants)
31 Km NE of Pistoia (90315 inhabitants)
41 Km N of Firenze (382808 inhabitants)
42 Km SW of Bologna (386663 inhabitants)
42 Km N of Scandicci (50609 inhabitants)
49 Km W of Imola (69797 inhabitants)
58 Km W of Faenza (58541 inhabitants)
60 Km SE of Modena (184973 inhabitants)
63 Km NE of Lucca (89046 inhabitants)
69 Km W of Forlì (117913 inhabitants)
76 Km SE of Carpi (70699 inhabitants)
76 Km SE of Reggio nell'Emilia (171345 inhabitants)
78 Km NE of Pisa (89158 inhabitants)
80 Km E of Viareggio (62467 inhabitants)
84 Km E of Massa (69479 inhabitants)
85 Km W of Cesena (96758 inhabitants)
85 Km SW of Ferrara (133155 inhabitants)
87 Km E of Carrara (63133 inhabitants)
87 Km W of Ravenna (159116 inhabitants)
92 Km N of Siena (53903 inhabitants)
94 Km NW of Arezzo (99543 inhabitants)
95 Km NE of Livorno (159219 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 1.7 2020-01-21
00:13:02
44.1377 11.1807 9 2020-07-18
21:08:19
Bollettino Sismico Italiano INGV 75726811
Reviewed
Rev100
ML 1.7 2020-01-21
00:13:02
44.1333 11.1773 9 2020-01-21
00:24:41
Sala Sismica INGV-Roma 75689991
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-01-21 00:13:02 ± 0.07
Latitude 44.1377 ± 0.0045
Longitude 11.1807 ± 0.0050
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 75726811

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 444
Semi-minor axis of confidence ellipse (meter) 316
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 24
Circular confidence region, given by single value of horizontal uncertainty (meter) 440.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 79
Number of associated phases, regardless of their use for origin computation 30
Number of defining phases 27
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.27
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.75993
Number of stations at which the event was observed 19
Number of stations from which data was used for origin computation 16
Magnitudes information

ML:1.7

Field Value
Value 1.7
Uncertainty 0.3
Num. used stations 17
Type of magnitude ML
Reference to an origin 75726811
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-01-22 14:34:21

ML:1.7

Field Value
Value 1.7
Uncertainty 0.2
Num. used stations 15
Type of magnitude ML
Reference to an origin 75689991
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-01-21 00:24:41
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.GAVE.EHZ. 2020-01-21T00:13:39.60 3.0 undecidable manual Sn 6.13 0
IV.NDIM.HHZ. 2020-01-21T00:13:34.70 3.0 undecidable manual Sg 0.07 0
IV.RIBO.EHZ.01 2020-01-21T00:13:26.96 3.0 undecidable manual Sn -0.17 0
IV.SFI.EHZ. 2020-01-21T00:13:21.56 1.0 undecidable manual S 116 59.0964 50 0.76 19
IV.CRE.HHZ. 2020-01-21T00:13:17.23 1.0 undecidable manual P 133 84.3489 50 0.41 20
IV.BDI.HHZ. 2020-01-21T00:13:17.56 0.3 undecidable manual S 260 47.3193 50 -0.1 70
IV.RUFI.EHZ. 2020-01-21T00:13:16.12 0.3 undecidable manual S 142 42.3243 50 -0.21 69
IV.PII.HHZ. 2020-01-21T00:13:14.50 1.0 undecidable manual P 229 69.7746 50 -0.08 23
IV.SFI.EHZ. 2020-01-21T00:13:13.02 0.1 undecidable manual P 116 59.0964 50 0.09 92
GU.POPM.HHZ. 2020-01-21T00:13:13.86 0.3 undecidable manual S 253 35.2425 50 -0.58 64
IV.ASQU.HHZ. 2020-01-21T00:13:13.77 0.1 undecidable manual P 128 61.5939 50 0.46 84
IV.ZCCA.HHZ. 2020-01-21T00:13:12.73 0.3 undecidable manual S 326 28.6491 108 0.09 73
IV.RONT.HHZ. 2020-01-21T00:13:11.77 0.3 undecidable manual S 128 25.6521 110 0.11 73
IV.MTRZ.HHN. 2020-01-21T00:13:11.69 0.3 undecidable manual S 45 27.4503 109 -0.55 65
IV.BDI.HHZ. 2020-01-21T00:13:11.02 0.3 undecidable manual P 260 47.3193 50 -0.1 70
IV.RINC.HHZ. 2020-01-21T00:13:11.45 0.6 undecidable manual P 129 43.9227 50 0.85 37
IV.RUFI.EHZ. 2020-01-21T00:13:10.12 0.3 undecidable manual P 142 42.3243 50 -0.23 69
IV.CRMI.HNN. 2020-01-21T00:13:10.34 0.1 undecidable manual P 203 41.2254 50 0.17 93
IV.MPPT.EHZ. 2020-01-21T00:13:10.21 0.3 undecidable manual S 200 21.2676 114 -0.01 75
IV.VISG.HHZ. 2020-01-21T00:13:09.78 0.3 undecidable manual S 74 20.9679 114 -0.36 70
GU.POPM.HHZ. 2020-01-21T00:13:08.95 0.3 undecidable manual P 253 35.2425 50 -0.31 69
IV.SEI.HHZ. 2020-01-21T00:13:08.82 0.3 undecidable manual S 123 16.872 119 -0.06 75
IV.MTRZ.HHN. 2020-01-21T00:13:08.38 0.3 undecidable manual P 45 27.4503 109 0.39 68
IV.ZCCA.HHZ. 2020-01-21T00:13:08.75 0.3 undecidable manual P 326 28.6491 108 0.53 66
IV.RONT.HHZ. 2020-01-21T00:13:07.47 0.3 undecidable manual P 128 25.6521 110 -0.18 72
IV.FNVD.HHZ. 2020-01-21T00:13:06.05 0.3 undecidable manual S 306 5.6943 149 0.09 76
IV.MPPT.EHZ. 2020-01-21T00:13:06.81 0.3 undecidable manual P 200 21.2676 114 -0.01 75
IV.VISG.HHZ. 2020-01-21T00:13:06.56 0.1 positive manual P 74 20.9679 114 -0.21 96
IV.SEI.HHZ. 2020-01-21T00:13:05.95 0.1 negative manual P 123 16.872 119 -0.1 99
IV.FNVD.HHZ. 2020-01-21T00:13:04.49 0.1 undecidable manual P 306 5.6943 149 0.13 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.SEI.HHN. ML:2.4 0.002045755 0.22 AML other m 2020-01-21T00:13:09.00
IV.SEI.HHE. ML:2.3 0.0016201705 0.34 AML other m 2020-01-21T00:13:10.30
IV.MPPT.EHN. ML:1.9 0.0005795582500000001 0.24 AML other m 2020-01-21T00:13:10.60
IV.MPPT.EHE. ML:1.7 0.00038884229999999997 0.22 AML other m 2020-01-21T00:13:10.49
IV.VISG.HHN. ML:1.7 0.00032856925000000005 0.14 AML other m 2020-01-21T00:13:10.60
IV.VISG.HHE. ML:1.7 0.0003301328 0.34 AML other m 2020-01-21T00:13:10.75
IV.RONT.HHN. ML:2.2 0.0009091339000000001 0.14 AML other m 2020-01-21T00:13:13.26
IV.RONT.HHE. ML:2.0 0.0005559869500000001 0.48 AML other m 2020-01-21T00:13:14.20
GU.POPM.HHE. ML:1.8 0.00023878284999999998 0.12 AML other m 2020-01-21T00:13:14.63
GU.POPM.HHN. ML:1.8 0.00028265770000000004 0.2 AML other m 2020-01-21T00:13:15.19
IV.ZCCA.HNE. ML:1.6 0.00017974925 0.36 AML other m 2020-01-21T00:13:15.36
IV.ZCCA.HHE. ML:1.5 0.000172588935 0.36 AML other m 2020-01-21T00:13:15.36
IV.ZCCA.HHN. ML:1.6 0.00018792680000000002 0.42 AML other m 2020-01-21T00:13:15.69
IV.BDI.HHN. ML:1.4 0.00006368096 0.18 AML other m 2020-01-21T00:13:18.40
IV.BDI.HNE. ML:1.5 0.00009270934 0.42 AML other m 2020-01-21T00:13:20.14
IV.BDI.HNN. ML:1.6 0.00011784063 0.53 AML other m 2020-01-21T00:13:20.35
IV.BDI.HHE. ML:1.3 0.000062169755 0.38 AML other m 2020-01-21T00:13:22.18
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
Waveforms Seismic signals in miniseed + resp format not available