Earthquake with magnitude of ML 1.0 on date 18-02-2023 and time 22:14:04 (Italy) in region 2 km S Zocca (MO)

A magnitude ML 1.0 earthquake occured in region: 2 km S Zocca (MO), on

  • 18-02-2023 21:14:04 (UTC)
  • 18-02-2023 22:14:04 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 44.3260, 10.9980 at 21 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
Zocca MO 2 4719 4719
Castel d'Aiano BO 5 1906 6625
Montese MO 8 3353 9978
Vergato BO 10 7639 17617
Guiglia MO 12 3931 21548
Pavullo nel Frignano MO 13 17383 38931
Grizzana Morandi BO 15 3916 42847
Gaggio Montano BO 15 4878 47725
Marano sul Panaro MO 15 5060 52785
Marzabotto BO 17 6779 59564
Vignola MO 17 25353 84917
Savignano sul Panaro MO 18 9177 94094
Castel di Casio BO 18 3448 97542
Camugnano BO 19 1885 99427
Alto Reno Terme BO 19 6960 106387
Serramazzoni MO 20 8282 114669
Lizzano in Belvedere BO 20 2212 116881

Municipalities with at least 50000 inhabitants

An earthquake occurred to
33 Km SW of Bologna (386663 inhabitants)
36 Km S of Modena (184973 inhabitants)
44 Km N of Pistoia (90315 inhabitants)
50 Km N of Prato (191150 inhabitants)
51 Km SE of Reggio nell'Emilia (171345 inhabitants)
52 Km S of Carpi (70699 inhabitants)
57 Km W of Imola (69797 inhabitants)
65 Km N of Scandicci (50609 inhabitants)
65 Km NW of Firenze (382808 inhabitants)
67 Km NE of Lucca (89046 inhabitants)
71 Km W of Faenza (58541 inhabitants)
75 Km SE of Parma (192836 inhabitants)
75 Km SW of Ferrara (133155 inhabitants)
75 Km E of Massa (69479 inhabitants)
77 Km E of Carrara (63133 inhabitants)
78 Km NE of Viareggio (62467 inhabitants)
83 Km NE of Pisa (89158 inhabitants)
84 Km W of Forlì (117913 inhabitants)
96 Km W of Ravenna (159116 inhabitants)
96 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 1.0 2023-02-18
21:14:04
44.3257 10.9977 21 2023-02-18
21:20:37
Sala Sismica INGV-Roma 114562901
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-02-18 21:14:04 ± 0.49
Latitude 44.3257 ± 0.0171
Longitude 10.9977 ± 0.0226
Depth (km) 21 ± 3 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 114562901

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1816
Semi-minor axis of confidence ellipse (meter) 1754
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 103
Circular confidence region, given by single value of horizontal uncertainty (meter) 1820.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 243
Number of associated phases, regardless of their use for origin computation 9
Number of defining phases 8
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.3
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.44966
Number of stations at which the event was observed 5
Number of stations from which data was used for origin computation 4
Magnitude information

ML:1.0

Field Value
Value 1.0
Uncertainty 0.2
Num. used stations 6
Type of magnitude ML
Reference to an origin 114562901
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-02-18 21:20:37
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
GU.SARM.EHE. 2023-02-18T21:14:21.04 0.3 undecidable manual S 252 49.9167 104 0.39 66
IV.IMOL.HNZ. 2023-02-18T21:14:18.12 3.0 positive manual P 0 0
IV.BDI.HHZ. 2023-02-18T21:14:18.59 0.3 undecidable manual S 228 43.3233 107 -0.34 65
GU.POPM.HHZ. 2023-02-18T21:14:17.38 0.3 undecidable manual S 212 36.5412 111 0.14 69
GU.SARM.EHE. 2023-02-18T21:14:13.10 1.0 undecidable manual P 252 49.9167 104 -0.73 19
GU.POPM.HHZ. 2023-02-18T21:14:12.13 0.1 undecidable manual P 212 36.5412 111 0.27 88
IV.BDI.HHZ. 2023-02-18T21:14:12.78 0.1 undecidable manual P 228 43.3233 107 -0.06 94
IV.ZCCA.HHZ. 2023-02-18T21:14:11.14 0.3 undecidable manual S 329 3.2967 170 0.11 75
IV.ZCCA.HHZ. 2023-02-18T21:14:08.25 0.1 negative manual P 329 3.2967 170 -0.03 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.ZCCA.HHN. ML:1.1 0.000106234495 0.384 AML other m 2023-02-18T21:14:11.50
IV.ZCCA.HHE. ML:1.0 0.000089 0.26 AML other m 2023-02-18T21:14:11.74
GU.POPM.HHN. ML:1.0 0.00003535 0.36 AML other m 2023-02-18T21:14:17.84
GU.POPM.HHE. ML:1.0 0.00003645 1.84 AML other m 2023-02-18T21:14:18.01
IV.BDI.HHN. ML:0.7 0.0000151649615 0.192 AML other m 2023-02-18T21:14:19.70
IV.BDI.HHE. ML:0.8 0.0000192 1.4 AML other m 2023-02-18T21:14:20.02
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