Earthquake with magnitude of ML 1.3 on date 26-06-2022 and time 09:53:17 (Italy) in region 1 km NW Casola Valsenio (RA)

A magnitude ML 1.3 earthquake occured in region: 1 km NW Casola Valsenio (RA), on

  • 26-06-2022 07:53:17 (UTC)
  • 26-06-2022 09:53:17 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 44.2340, 11.6140 at 24 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
Casola Valsenio RA 1 2617 2617
Fontanelice BO 5 1943 4560
Borgo Tossignano BO 5 3288 7848
Casalfiumanese BO 7 3438 11286
Castel del Rio BO 9 1246 12532
Riolo Terme RA 10 5720 18252
Brisighella RA 13 7639 25891
Dozza BO 14 6652 32543
Palazzuolo sul Senio FI 14 1154 33697
Imola BO 16 69797 103494
Modigliana FC 17 4560 108054
Marradi FI 18 3139 111193
Castel Bolognese RA 18 9554 120747
Castel San Pietro Terme BO 18 20811 141558
Monterenzio BO 20 6035 147593
Tredozio FC 20 1212 148805

Municipalities with at least 50000 inhabitants

An earthquake occurred to
16 Km SW of Imola (69797 inhabitants)
22 Km W of Faenza (58541 inhabitants)
34 Km W of Forlì (117913 inhabitants)
36 Km SE of Bologna (386663 inhabitants)
51 Km W of Ravenna (159116 inhabitants)
51 Km W of Cesena (96758 inhabitants)
57 Km NE of Prato (191150 inhabitants)
59 Km NE of Firenze (382808 inhabitants)
63 Km NE of Scandicci (50609 inhabitants)
65 Km NE of Pistoia (90315 inhabitants)
67 Km S of Ferrara (133155 inhabitants)
71 Km SE of Modena (184973 inhabitants)
78 Km W of Rimini (147750 inhabitants)
84 Km SE of Carpi (70699 inhabitants)
88 Km N of Arezzo (99543 inhabitants)
94 Km SE of Reggio nell'Emilia (171345 inhabitants)
94 Km S of Rovigo (51867 inhabitants)
99 Km E of Lucca (89046 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 1.3 2022-06-26
07:53:17
44.2342 11.6143 24 2023-01-31
19:03:41
Bollettino Sismico Italiano INGV 109569761
Reviewed
Rev100
ML 1.3 2022-06-26
07:53:18
44.2282 11.5937 24 2022-06-26
07:58:48
Sala Sismica INGV-Roma 106506791
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2022-06-26 07:53:17 ± 0.36
Latitude 44.2342 ± 0.0108
Longitude 11.6143 ± 0.0151
Depth (km) 24 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 109569761

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1325
Semi-minor axis of confidence ellipse (meter) 506
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 223
Circular confidence region, given by single value of horizontal uncertainty (meter) 1330.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 121
Number of associated phases, regardless of their use for origin computation 13
Number of defining phases 13
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.36
Epicentral distance of station closest to the epicenter (degree) 0.13670
Epicentral distance of station farthest from the epicenter (degree) 0.40290
Number of stations at which the event was observed 7
Number of stations from which data was used for origin computation 7
Magnitudes information

ML:1.3

Field Value
Value 1.3
Uncertainty 0.2
Num. used stations 8
Type of magnitude ML
Reference to an origin 106506791
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2022-06-26 07:58:48

ML:1.3

Field Value
Value 1.3
Uncertainty 0.1
Num. used stations 10
Type of magnitude ML
Reference to an origin 109569761
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2022-09-10 18:58:45
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.RUFI.EHN. 2022-06-26T07:53:33.40 0.3 undecidable manual S 191 44.7219 111 0.41 66
IV.FNVD.HHZ. 2022-06-26T07:53:31.80 0.3 undecidable manual S 259 39.7269 114 0.04 72
IV.SEI.HHZ. 2022-06-26T07:53:29.20 0.6 undecidable manual S 226 28.5492 124 0.07 49
IV.LMD.HHZ. 2022-06-26T07:53:27.20 0.3 undecidable manual S 157 18.87 137 0.03 76
IV.MTRZ.HHZ. 2022-06-26T07:53:27.60 0.3 undecidable manual S 300 17.3715 140 0.7 63
IV.RUFI.EHN. 2022-06-26T07:53:26.96 0.3 undecidable manual P 191 44.7219 111 0.34 67
IV.VISG.HHZ. 2022-06-26T07:53:26.00 0.3 undecidable manual S 251 15.1737 144 -0.53 68
IV.FNVD.HHZ. 2022-06-26T07:53:25.58 0.3 undecidable manual P 259 39.7269 114 -0.33 69
IV.SEI.HHZ. 2022-06-26T07:53:24.13 0.3 undecidable manual P 226 28.5492 124 -0.26 71
IV.LMD.HHZ. 2022-06-26T07:53:23.19 0.1 undecidable manual P 157 18.87 137 -0.07 100
IV.MTRZ.HHZ. 2022-06-26T07:53:23.63 0.3 undecidable manual P 300 17.3715 140 0.52 68
IV.VISG.HHZ. 2022-06-26T07:53:22.46 0.1 undecidable manual P 251 15.1737 144 -0.43 94
IV.IMOL.HNZ. 2022-06-26T07:53:22.76 0.6 undecidable manual P 36 17.2716 140 -0.33 47
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.VISG.HHE. ML:1.3 0.0001015 0.1 AML other m 2022-06-26T07:53:26.24
IV.VISG.HHN. ML:1.1 0.00007005 0.62 AML other m 2022-06-26T07:53:26.45
IV.LMD.HHE. ML:1.5 0.000155 1.26 AML other m 2022-06-26T07:53:27.70
IV.LMD.HHN. ML:1.4 0.0001245 0.28 AML other m 2022-06-26T07:53:28.09
IV.MTRZ.HHE. ML:1.1 0.00006534999999999999 0.5 AML other m 2022-06-26T07:53:29.00
IV.MTRZ.HHN. ML:1.5 0.000157 1.36 AML other m 2022-06-26T07:53:30.01
IV.FNVD.HHN. ML:1.3 0.00006615 0.34 AML other m 2022-06-26T07:53:32.77
IV.FNVD.HHE. ML:1.3 0.00006215 0.84 AML other m 2022-06-26T07:53:32.42
IV.SEI.HHE. ML:1.2 0.000054364469999999996 0.4224 AML other m 2022-06-26T07:53:35.52
IV.SEI.HHN. ML:1.3 0.00008517585999999999 0.2176 AML other m 2022-06-26T07:53:31.44
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