Earthquake with magnitude of ML 1.1 on date 14-08-2023 and time 06:00:13 (Italy) in region 5 km SE Castel di Casio (BO)

A magnitude ML 1.1 earthquake occured in region: 5 km SE Castel di Casio (BO), on

  • 14-08-2023 04:00:13 (UTC)
  • 14-08-2023 06:00:13 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 44.1300, 11.0700 at 9 km depth.

The earthquake was located by: Sala Sismica INGV-Roma.

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 di Casio BO 5 3448 3448
Camugnano BO 5 1885 5333
Sambuca Pistoiese PT 6 1626 6959
Castiglione dei Pepoli BO 7 5648 12607
Alto Reno Terme BO 8 6960 19567
Vernio PO 11 6060 25627
Cantagallo PO 12 3105 28732
Gaggio Montano BO 13 4878 33610
Lizzano in Belvedere BO 15 2212 35822
Grizzana Morandi BO 16 3916 39738
San Benedetto Val di Sambro BO 16 4315 44053
Vergato BO 18 7639 51692
Castel d'Aiano BO 18 1906 53598
Vaiano PO 18 9895 63493
Montese MO 19 3353 66846
Barberino di Mugello FI 20 10836 77682

Municipalities with at least 50000 inhabitants

An earthquake occurred to
25 Km NE of Pistoia (90315 inhabitants)
28 Km N of Prato (191150 inhabitants)
42 Km N of Scandicci (50609 inhabitants)
43 Km NW of Firenze (382808 inhabitants)
46 Km SW of Bologna (386663 inhabitants)
55 Km NE of Lucca (89046 inhabitants)
57 Km W of Imola (69797 inhabitants)
59 Km S of Modena (184973 inhabitants)
67 Km W of Faenza (58541 inhabitants)
71 Km NE of Pisa (89158 inhabitants)
72 Km E of Viareggio (62467 inhabitants)
72 Km SE of Reggio nell'Emilia (171345 inhabitants)
74 Km S of Carpi (70699 inhabitants)
75 Km E of Massa (69479 inhabitants)
78 Km E of Carrara (63133 inhabitants)
78 Km W of Forlì (117913 inhabitants)
89 Km NE of Livorno (159219 inhabitants)
90 Km SW of Ferrara (133155 inhabitants)
93 Km N of Siena (53903 inhabitants)
94 Km W of Cesena (96758 inhabitants)
95 Km SE of Parma (192836 inhabitants)
96 Km W of Ravenna (159116 inhabitants)
98 Km NW of Arezzo (99543 inhabitants)
99 Km E of La Spezia (93959 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
Reviewed
Rev100
ML 1.1 2023-08-14
04:00:13
44.1303 11.0705 9 2023-08-14
04:04:33
Sala Sismica INGV-Roma 120105311
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-08-14 04:00:13 ± 0.06
Latitude 44.1303 ± 0.0027
Longitude 11.0705 ± 0.0025
Depth (km) 9 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 120105311

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 260
Semi-minor axis of confidence ellipse (meter) 194
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 134
Circular confidence region, given by single value of horizontal uncertainty (meter) 260.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 102
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) 0.13
Epicentral distance of station closest to the epicenter (degree) 0.05306
Epicentral distance of station farthest from the epicenter (degree) 0.41009
Number of stations at which the event was observed 8
Number of stations from which data was used for origin computation 8
Magnitude information

ML:1.1

Field Value
Value 1.1
Uncertainty 0.3
Num. used stations 12
Type of magnitude ML
Reference to an origin 120105311
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-08-14 04:04:33
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.CRMI.HHZ. 2023-08-14T04:00:26.68 0.1 undecidable manual S 191 37.8288 50 0 95
IV.VISG.HHZ. 2023-08-14T04:00:24.39 0.1 undecidable manual S 77 29.6481 107 -0.04 95
GU.POPM.HHZ. 2023-08-14T04:00:23.29 0.1 undecidable manual S 249 26.751 109 -0.17 93
GU.GSCL.HHZ. 2023-08-14T04:00:22.63 0.6 positive manual P 303 45.5211 50 0.27 44
IV.CRMI.HHZ. 2023-08-14T04:00:21.02 0.3 positive manual P 191 37.8288 50 -0.16 69
IV.MPPT.EHZ. 2023-08-14T04:00:20.97 0.1 undecidable manual S 175 19.2696 115 -0.07 97
IV.MOCL.EHZ. 2023-08-14T04:00:20.17 0.1 undecidable manual S 148 16.4724 119 -0.01 98
IV.PSL.EHZ. 2023-08-14T04:00:20.53 0.1 undecidable manual S 220 17.5713 117 0 98
IV.VISG.HHZ. 2023-08-14T04:00:19.65 0.3 positive manual P 77 29.6481 107 -0.23 69
GU.POPM.HHZ. 2023-08-14T04:00:19.26 0.1 positive manual P 249 26.751 109 -0.06 95
IV.MPPT.EHZ. 2023-08-14T04:00:18.08 0.1 positive manual P 175 19.2696 115 0.16 95
IV.MOCL.EHZ. 2023-08-14T04:00:17.60 0.3 positive manual P 148 16.4724 119 0.17 71
IV.PSL.EHZ. 2023-08-14T04:00:17.80 0.1 positive manual P 220 17.5713 117 0.17 95
IV.FNVD.HHZ. 2023-08-14T04:00:17.42 0.1 undecidable manual S 45 5.8941 147 0.01 100
IV.FNVD.HHZ. 2023-08-14T04:00:15.87 0.1 negative manual P 45 5.8941 147 0.04 99
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.FNVD.HHN. ML:1.3 0.00034950000000000004 0.38 AML other m 2023-08-14T04:00:17.69
IV.FNVD.HHE. ML:1.4 0.000477 0.08 AML other m 2023-08-14T04:00:17.70
IV.MOCL.EHE. ML:1.4 0.00020899999999999998 0.28 AML other m 2023-08-14T04:00:20.31
IV.MOCL.EHN. ML:1.3 0.000184 0.52 AML other m 2023-08-14T04:00:20.46
IV.MPPT.EHE. ML:0.9 0.00006675000000000001 0.26 AML other m 2023-08-14T04:00:21.04
IV.MPPT.EHN. ML:1.0 0.00006964999999999999 0.44 AML other m 2023-08-14T04:00:21.15
GU.POPM.HHN. ML:1.3 0.000122 0.16 AML other m 2023-08-14T04:00:23.79
GU.POPM.HHE. ML:1.3 0.0001217 0.14 AML other m 2023-08-14T04:00:24.25
IV.VISG.HHN. ML:0.8 0.0000292 1.54 AML other m 2023-08-14T04:00:24.99
IV.VISG.HHE. ML:0.6 0.00001755 1.76 AML other m 2023-08-14T04:00:25.93
IV.CRMI.HHE. ML:0.8 0.000024050000000000002 1.4 AML other m 2023-08-14T04:00:26.24
IV.CRMI.HHN. ML:1.1 0.000047550000000000004 0.28 AML other m 2023-08-14T04:00:27.20
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