Earthquake with magnitude of ML 1.8 on date 21-01-2020 and time 00:54:05 (Italy) in region 2 km SE Castiglione dei Pepoli (BO)

A magnitude ML 1.8 earthquake occured in region: 2 km SE Castiglione dei Pepoli (BO), on

  • 20-01-2020 23:54:05 (UTC)
  • 21-01-2020 00:54:05 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 44.13, 11.17 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 9 6060 13593
San Benedetto Val di Sambro BO 11 4315 17908
Castel di Casio BO 11 3448 21356
Cantagallo PO 13 3105 24461
Grizzana Morandi BO 14 3916 28377
Sambuca Pistoiese PT 14 1626 30003
Monghidoro BO 15 3749 33752
Barberino di Mugello FI 16 10836 44588
Alto Reno Terme BO 16 6960 51548
Firenzuola FI 17 4726 56274
Vergato BO 18 7639 63913
Monzuno BO 18 6328 70241
Vaiano PO 19 9895 80136
Loiano BO 20 4294 84430

Municipalities with at least 50000 inhabitants

An earthquake occurred to
29 Km N of Prato (191150 inhabitants)
30 Km NE of Pistoia (90315 inhabitants)
41 Km N of Firenze (382808 inhabitants)
42 Km N of Scandicci (50609 inhabitants)
43 Km SW of Bologna (386663 inhabitants)
50 Km W of Imola (69797 inhabitants)
59 Km W of Faenza (58541 inhabitants)
61 Km SE of Modena (184973 inhabitants)
63 Km NE of Lucca (89046 inhabitants)
70 Km W of Forlì (117913 inhabitants)
76 Km SE of Carpi (70699 inhabitants)
76 Km SE of Reggio nell'Emilia (171345 inhabitants)
77 Km NE of Pisa (89158 inhabitants)
80 Km E of Viareggio (62467 inhabitants)
83 Km E of Massa (69479 inhabitants)
85 Km W of Cesena (96758 inhabitants)
86 Km SW of Ferrara (133155 inhabitants)
86 Km E of Carrara (63133 inhabitants)
88 Km W of Ravenna (159116 inhabitants)
91 Km N of Siena (53903 inhabitants)
93 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 1.8 2020-01-20
23:54:05
44.13 11.17 9 2020-07-18
21:08:21
Bollettino Sismico Italiano INGV 76672651
Reviewed
Rev100
ML 1.9 2020-01-20
23:54:05
44.13 11.18 10 2020-01-21
00:00:49
Sala Sismica INGV-Roma 75689241
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-01-20 23:54:05 ± 0.06
Latitude 44.13 ± 0.00
Longitude 11.17 ± 0.00
Depth (km) 9 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 76672651

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 495
Semi-minor axis of confidence ellipse (meter) 105
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 8
Circular confidence region, given by single value of horizontal uncertainty (meter) 490
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 91
Number of associated phases, regardless of their use for origin computation 24
Number of defining phases 24
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.22
Epicentral distance of station closest to the epicenter (degree) 0.05126
Epicentral distance of station farthest from the epicenter (degree) 0.5342
Number of stations at which the event was observed 14
Number of stations from which data was used for origin computation 14
Magnitudes information

ML:1.8

Field Value
Value 1.8
Uncertainty 0.2
Num. used stations 12
Type of magnitude ML
Reference to an origin 76672651
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-02-20 13:57:05

ML:1.9

Field Value
Value 1.9
Uncertainty 0.2
Num. used stations 16
Type of magnitude ML
Reference to an origin 75689241
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-01-21 00:00:49
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
IV.SFI.HNN. 2020-01-20T23:54:24.64 0.6 undecidable manual S 115 0.5342 50 0.5 42
IV.BRIS.HHN. 2020-01-20T23:54:21.32 0.6 undecidable manual S 78 0.4344 50 0.14 47
IV.RINC.HHN. 2020-01-20T23:54:20.17 0.6 undecidable manual S 128 0.3966 50 0.12 47
IV.RUFI.EHZ. 2020-01-20T23:54:19.48 0.6 undecidable manual S 141 0.3804 50 -0.1 47
GU.POPM.HHZ. 2020-01-20T23:54:17.24 0.3 undecidable manual S 254 0.3121 50 -0.3 69
IV.SFI.HNN. 2020-01-20T23:54:16.21 0.3 undecidable manual P 115 0.5342 50 -0.02 70
IV.RONT.HHZ. 2020-01-20T23:54:15.02 0.3 undecidable manual S 127 0.232 110 0.12 73
GU.GSCL.HHE. 2020-01-20T23:54:15.52 0.3 undecidable manual P 298 0.473 50 0.35 66
IV.RINC.HHN. 2020-01-20T23:54:14.04 0.6 undecidable manual P 128 0.3966 50 0.17 47
IV.BRIS.HHN. 2020-01-20T23:54:14.89 0.1 undecidable manual P 78 0.4344 50 0.37 89
IV.LMD.HHE. 2020-01-20T23:54:13.41 0.3 undecidable manual P 98 0.3867 50 -0.29 68
IV.RUFI.EHZ. 2020-01-20T23:54:13.41 0.6 undecidable manual P 141 0.3804 50 -0.19 47
IV.BDI.HNZ. 2020-01-20T23:54:13.89 0.6 undecidable manual P 261 0.4209 50 -0.39 44
IV.VISG.HHZ. 2020-01-20T23:54:13.15 0.3 undecidable manual S 73 0.1952 113 -0.44 69
IV.MPPT.EHZ. 2020-01-20T23:54:13.52 0.6 undecidable manual S 199 0.1844 114 0.31 47
GU.POPM.HHZ. 2020-01-20T23:54:12.18 0.1 positive manual P 254 0.3121 50 -0.24 93
IV.SEI.HHZ. 2020-01-20T23:54:12.09 0.3 undecidable manual S 120 0.1538 118 -0.05 75
IV.MTRZ.HHZ. 2020-01-20T23:54:11.66 0.1 undecidable manual P 45 0.2545 108 0.28 94
IV.MPPT.EHZ. 2020-01-20T23:54:10.05 0.1 positive manual P 199 0.1844 114 0.13 98
IV.RONT.HHZ. 2020-01-20T23:54:10.76 0.1 undecidable manual P 127 0.232 110 -0.14 97
IV.SEI.HHZ. 2020-01-20T23:54:09.22 0.1 undecidable manual P 120 0.1538 118 -0.09 99
IV.FNVD.HHZ. 2020-01-20T23:54:09.23 0.3 undecidable manual S 314 0.0513 148 0.07 76
IV.VISG.HHZ. 2020-01-20T23:54:09.81 0.1 positive manual P 73 0.1952 113 -0.32 94
IV.FNVD.HHZ. 2020-01-20T23:54:07.73 0.1 negative manual P 314 0.0513 148 0.15 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.SEI.HHN. ML:2.5 0.0024977945 0.2432 AML other m 2020-01-20T23:54:12.40
IV.SEI.HHE. ML:2.3 0.001666403 0.2432 AML other m 2020-01-20T23:54:13.11
IV.VISG.HHE. ML:1.6 0.0002943907 0.1792 AML other m 2020-01-20T23:54:13.35
IV.VISG.HHN. ML:1.7 0.00035568035 0.2304 AML other m 2020-01-20T23:54:14.25
IV.RONT.HHN. ML:2.2 0.00090699135 0.1408 AML other m 2020-01-20T23:54:16.47
IV.RONT.HHE. ML:2 0.0005682926 0.1664 AML other m 2020-01-20T23:54:16.84
GU.POPM.HHE. ML:1.7 0.0001928038 0.1408 AML other m 2020-01-20T23:54:17.89
GU.POPM.HHN. ML:1.7 0.0002035908 0.192 AML other m 2020-01-20T23:54:18.46
IV.MTRZ.HHN. ML:1.8 0.000297885 0.3584 AML other m 2020-01-20T23:54:21.09
IV.MTRZ.HNN. ML:1.8 0.0003109247 0.4352 AML other m 2020-01-20T23:54:21.09
IV.MTRZ.HNE. ML:1.7 0.00028168345 0.512 AML other m 2020-01-20T23:54:22.42
IV.MTRZ.HHE. ML:1.7 0.00026674465 0.4352 AML other m 2020-01-20T23:54:22.84
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