Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.8 on date 27-01-2024 and time 03:29:25 (Italy) in region 4 km SW Alto Reno Terme (BO)

A magnitude ML 1.8 earthquake occured in region: 4 km SW Alto Reno Terme (BO), on

  • 27-01-2024 02:29:25 (UTC)
  • 27-01-2024 03:29:25 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 44.1330, 10.9360 at 18 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.

Hai sentito il terremoto? Clicca qui

Did you feel it? Fill in the questionnaire.

Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Alto Reno Terme BO 4 6960 6960
Lizzano in Belvedere BO 5 2212 9172
Sambuca Pistoiese PT 6 1626 10798
Gaggio Montano BO 7 4878 15676
Castel di Casio BO 9 3448 19124
Camugnano BO 13 1885 21009
Fanano MO 14 2989 23998
San Marcello Pistoiese PT 14 6416 30414
Cutigliano PT 15 1488 31902
Montese MO 15 3353 35255
Sestola MO 17 2508 37763
Castel d'Aiano BO 17 1906 39669
Castiglione dei Pepoli BO 18 5648 45317
Piteglio PT 18 1683 47000
Cantagallo PO 18 3105 50105
Vernio PO 20 6060 56165

Municipalities with at least 50000 inhabitants

An earthquake occurred to
22 Km N of Pistoia (90315 inhabitants)
31 Km NW of Prato (191150 inhabitants)
46 Km NW of Scandicci (50609 inhabitants)
47 Km NE of Lucca (89046 inhabitants)
48 Km NW of Firenze (382808 inhabitants)
52 Km SW of Bologna (386663 inhabitants)
57 Km S of Modena (184973 inhabitants)
62 Km E of Viareggio (62467 inhabitants)
63 Km NE of Pisa (89158 inhabitants)
64 Km E of Massa (69479 inhabitants)
67 Km W of Imola (69797 inhabitants)
67 Km E of Carrara (63133 inhabitants)
67 Km SE of Reggio nell'Emilia (171345 inhabitants)
72 Km S of Carpi (70699 inhabitants)
78 Km W of Faenza (58541 inhabitants)
82 Km NE of Livorno (159219 inhabitants)
88 Km E of La Spezia (93959 inhabitants)
89 Km SE of Parma (192836 inhabitants)
89 Km W of Forlì (117913 inhabitants)
95 Km SW of Ferrara (133155 inhabitants)
96 Km NW of Siena (53903 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 1.8 2024-01-27
02:29:25		 44.1333 10.9357 18 2024-01-27
02:34:42		 Sala Sismica INGV-Roma 124880711
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2024-01-27 02:29:25 ± 0.12
Latitude 44.1333 ± 0.0045
Longitude 10.9357 ± 0.0050
Depth (km) 18 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 124880711

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 547
Semi-minor axis of confidence ellipse (meter) 165
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 339
Circular confidence region, given by single value of horizontal uncertainty (meter) 550.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 73
Number of associated phases, regardless of their use for origin computation 26
Number of defining phases 24
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.21
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.39480
Number of stations at which the event was observed 15
Number of stations from which data was used for origin computation 13
Magnitude information

ML:1.8

Field Value
Value 1.8
Uncertainty 0.3
Num. used stations 30
Type of magnitude ML
Reference to an origin 124880711
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2024-01-27 02:34:42
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
GU.MAIM.HHZ. 2024-01-27T02:29:40.11 0.6 undecidable manual S 236 43.0236 103 0.25 46
MN.VLC.HHZ. 2024-01-27T02:29:40.31 0.6 undecidable manual S 274 43.8228 103 0.24 45
GU.GRAM.HHZ. 2024-01-27T02:29:39.70 3.0 undecidable manual P 0.07 0
IV.VISG.HHZ. 2024-01-27T02:29:38.83 0.6 undecidable manual S 81 40.1265 105 -0.29 45
GU.CARD.HHZ. 2024-01-27T02:29:38.40 0.6 undecidable manual S 252 38.0286 106 -0.18 47
IV.SEI.HHZ. 2024-01-27T02:29:37.80 0.6 undecidable manual S 104 34.8429 108 0.05 49
GU.GSCL.HHZ. 2024-01-27T02:29:37.73 0.6 undecidable manual S 311 36.6411 106 -0.49 44
IV.PII.HHZ. 2024-01-27T02:29:36.25 3.0 positive manual P 0.13 0
IV.MOCL.EHZ. 2024-01-27T02:29:35.29 0.6 undecidable manual S 126 24.1536 118 0.17 49
IV.BDI.HHZ. 2024-01-27T02:29:35.92 0.6 undecidable manual S 254 28.2495 113 -0.17 48
IV.ZCCA.HHZ. 2024-01-27T02:29:35.89 0.6 undecidable manual S 8 24.3534 117 0.73 40
ZO.PDN10.EHZ. 2024-01-27T02:29:34.18 0.1 undecidable manual P 348 42.9237 103 0.32 89
MN.VLC.HHZ. 2024-01-27T02:29:34.05 0.6 negative manual P 274 43.8228 103 0.05 47
GU.CARD.HHZ. 2024-01-27T02:29:33.03 0.6 undecidable manual P 252 38.0286 106 -0.1 47
GU.MAIM.HHZ. 2024-01-27T02:29:33.87 0.6 positive manual P 236 43.0236 103 -0.01 48
IV.VISG.HHZ. 2024-01-27T02:29:33.06 1.0 positive manual P 81 40.1265 105 -0.39 22
IV.CRMI.HHZ. 2024-01-27T02:29:33.62 0.6 positive manual P 175 37.629 106 0.55 43
GU.POPM.HHN. 2024-01-27T02:29:33.64 0.6 undecidable manual S 236 17.2716 129 0.06 50
GU.GSCL.HHZ. 2024-01-27T02:29:32.53 0.3 positive manual P 311 36.6411 106 -0.4 68
IV.PSL.EHZ. 2024-01-27T02:29:32.85 0.6 undecidable manual S 182 13.7751 136 -0.04 49
IV.SEI.HHZ. 2024-01-27T02:29:32.46 0.6 undecidable manual P 104 34.8429 108 -0.19 46
IV.BDI.HHZ. 2024-01-27T02:29:31.50 0.1 undecidable manual P 254 28.2495 113 -0.2 95
IV.ZCCA.HHZ. 2024-01-27T02:29:31.01 0.1 positive manual P 8 24.3534 117 -0.15 97
IV.MOCL.EHZ. 2024-01-27T02:29:31.23 1.0 undecidable manual P 126 24.1536 118 0.09 25
GU.POPM.HHN. 2024-01-27T02:29:30.27 0.1 undecidable manual P 236 17.2716 129 0.02 100
IV.PSL.EHZ. 2024-01-27T02:29:29.88 0.6 undecidable manual P 182 13.7751 136 0.03 50
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.PSL.EHE. ML:2.0 0.0008025 0.46 AML other m 2024-01-27T02:29:33.24
IV.PSL.EHN. ML:1.9 0.0006324999999999999 0.82 AML other m 2024-01-27T02:29:33.26
IV.MOCL.EHN. ML:1.7 0.000242 0.38 AML other m 2024-01-27T02:29:35.61
IV.BDI.HNN. ML:1.9 0.000382 0.94 AML other m 2024-01-27T02:29:36.49
IV.MOCL.EHE. ML:1.8 0.00029749999999999997 0.28 AML other m 2024-01-27T02:29:36.27
IV.ZCCA.HNN. ML:2.0 0.0005695 0.66 AML other m 2024-01-27T02:29:36.31
IV.ZCCA.HHN. ML:2.0 0.000527 0.66 AML other m 2024-01-27T02:29:36.64
IV.BDI.HHE. ML:1.9 0.0003285 0.96 AML other m 2024-01-27T02:29:36.85
IV.ZCCA.HHE. ML:2.2 0.0008525000000000001 0.34 AML other m 2024-01-27T02:29:36.45
IV.ZCCA.HNE. ML:2.2 0.000853 0.34 AML other m 2024-01-27T02:29:36.45
IV.BDI.HHN. ML:2.0 0.0004195 0.92 AML other m 2024-01-27T02:29:36.12
IV.BDI.HNE. ML:1.9 0.00035950000000000006 0.46 AML other m 2024-01-27T02:29:36.72
GU.GSCL.HHE. ML:1.8 0.00020999999999999998 0.22 AML other m 2024-01-27T02:29:38.34
GU.CARD.HHN. ML:1.8 0.00022 0.72 AML other m 2024-01-27T02:29:39.10
GU.GSCL.HHN. ML:1.9 0.0002515 0.24 AML other m 2024-01-27T02:29:39.51
IV.SEI.HHE. ML:1.6 0.000164 0.58 AML other m 2024-01-27T02:29:39.72
IV.VISG.HHN. ML:1.3 0.00006165 0.14 AML other m 2024-01-27T02:29:39.85
GU.CARD.HHE. ML:1.7 0.00017549999999999998 0.46 AML other m 2024-01-27T02:29:40.40
IV.CRMI.HHE. ML:1.1 0.00004095 0.48 AML other m 2024-01-27T02:29:40.21
IV.VISG.HHE. ML:1.3 0.0000599 0.56 AML other m 2024-01-27T02:29:40.55
GU.MAIM.HHN. ML:1.4 0.0000704 0.32 AML other m 2024-01-27T02:29:40.56
MN.VLC.HHE. ML:1.5 0.0000988 1.52 AML other m 2024-01-27T02:29:40.76
GU.MAIM.HHE. ML:1.4 0.0000779 1.4 AML other m 2024-01-27T02:29:40.87
MN.VLC.HHN. ML:1.5 0.00010025000000000001 1.06 AML other m 2024-01-27T02:29:40.45
IV.CRMI.HHN. ML:1.0 0.00003345 0.94 AML other m 2024-01-27T02:29:42.05
IV.SEI.HHN. ML:1.8 0.00021150000000000002 0.42 AML other m 2024-01-27T02:29:42.89
IV.PII.HHE. ML:1.9 0.0001525 0.24 AML other m 2024-01-27T02:29:46.46
IV.PII.HHN. ML:1.6 0.00009625000000000001 0.3 AML other m 2024-01-27T02:29:46.56
GU.GRAM.HHN. ML:1.8 0.00008659999999999999 0.38 AML other m 2024-01-27T02:29:51.78
GU.GRAM.HHE. ML:2.1 0.00016350000000000002 0.3 AML other m 2024-01-27T02:29:51.75
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