Earthquake with magnitude of ML 1.8 on date 26-10-2023 and time 10:32:15 (Italy) in region 1 km NW Faenza (RA)

A magnitude ML 1.8 earthquake occured in region: 1 km NW Faenza (RA), on

  • 26-10-2023 08:32:15 (UTC)
  • 26-10-2023 10:32:15 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 44.2960, 11.8730 at 24 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
Faenza RA 1 58541 58541
Castel Bolognese RA 6 9554 68095
Solarolo RA 8 4488 72583
Bagnara di Romagna RA 11 2429 75012
Cotignola RA 11 7474 82486
Brisighella RA 12 7639 90125
Riolo Terme RA 12 5720 95845
Mordano BO 12 4760 100605
Imola BO 14 69797 170402
Lugo RA 14 32390 202792
Castrocaro Terme e Terra del Sole FC 15 6426 209218
Russi RA 16 12247 221465
Forlì FC 16 117913 339378
Bagnacavallo RA 16 16739 356117
Sant'Agata sul Santerno RA 16 2862 358979
Modigliana FC 17 4560 363539
Massa Lombarda RA 17 10653 374192
Dovadola FC 19 1653 375845

Municipalities with at least 50000 inhabitants

An earthquake occurred to
1 Km NW of Faenza (58541 inhabitants)
14 Km E of Imola (69797 inhabitants)
16 Km NW of Forlì (117913 inhabitants)
29 Km W of Ravenna (159116 inhabitants)
34 Km NW of Cesena (96758 inhabitants)
48 Km E of Bologna (386663 inhabitants)
61 Km W of Rimini (147750 inhabitants)
63 Km SE of Ferrara (133155 inhabitants)
76 Km NE of Firenze (382808 inhabitants)
77 Km NE of Prato (191150 inhabitants)
81 Km NE of Scandicci (50609 inhabitants)
85 Km E of Modena (184973 inhabitants)
86 Km E of Pistoia (90315 inhabitants)
87 Km S of Rovigo (51867 inhabitants)
92 Km N of Arezzo (99543 inhabitants)
94 Km W of Pesaro (94582 inhabitants)
95 Km SE of Carpi (70699 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 2023-10-26
08:32:15
44.2957 11.8727 24 2023-10-26
08:42:48
Sala Sismica INGV-Roma 122401581
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-10-26 08:32:15 ± 0.16
Latitude 44.2957 ± 0.0081
Longitude 11.8727 ± 0.0126
Depth (km) 24 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 122401581

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 998
Semi-minor axis of confidence ellipse (meter) 735
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 122
Circular confidence region, given by single value of horizontal uncertainty (meter) 1000.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 93
Number of associated phases, regardless of their use for origin computation 36
Number of defining phases 22
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.26
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 1.46410
Number of stations at which the event was observed 28
Number of stations from which data was used for origin computation 15
Magnitude information

ML:1.8

Field Value
Value 1.8
Uncertainty 0.2
Num. used stations 10
Type of magnitude ML
Reference to an origin 122401581
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-10-26 08:42:48
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.LADO.EHZ. 2023-10-26T08:34:07.39 3.0 positive manual Pg 16.01 0
IV.LEVAN.EHZ. 2023-10-26T08:34:01.07 3.0 undecidable manual Pg 9.64 0
IV.SPS2.HHZ. 2023-10-26T08:33:59.91 3.0 negative manual Pg 12.44 0
IV.MRB1.HHZ. 2023-10-26T08:33:59.42 3.0 undecidable manual Sn -7.3 0
IV.MIDA.HHZ. 2023-10-26T08:33:52.44 3.0 undecidable manual Sg 3.56 0
IV.RCAV.EHZ. 2023-10-26T08:33:30.46 3.0 undecidable manual Sn -3.58 0
MN.TRI.HHZ. 2023-10-26T08:33:19.65 3.0 undecidable manual Sg 1.92 0
IV.MIDA.HHZ. 2023-10-26T08:33:13.46 3.0 positive manual Pg 4.94 0
GU.SATI.HNZ. 2023-10-26T08:33:08.75 3.0 positive manual Pn 0.29 0
IV.SMA1.EHZ. 2023-10-26T08:32:49.23 3.0 positive manual Pn -2.81 0
IV.BAG8.EHZ. 2023-10-26T08:32:47.99 3.0 undecidable manual Pn -0.89 0
IV.MAGA.HHZ. 2023-10-26T08:32:47.89 3.0 negative manual Pg 0.4 0
IV.ROVR.HHZ. 2023-10-26T08:32:42.05 0.6 undecidable manual P 338 162.5151 54 0.87 31
IV.ZOVE.EHZ. 2023-10-26T08:32:37.51 0.6 undecidable manual P 347 131.9679 54 0.13 42
IV.ATPI.EHZ. 2023-10-26T08:32:36.34 3.0 negative manual P -0.53 0
IV.FRON.EHZ. 2023-10-26T08:32:34.43 3.0 undecidable manual P -3.65 0
IV.CRMI.HHZ. 2023-10-26T08:32:31.66 1.0 undecidable manual P 232 90.243 100 0.62 20
IV.VISG.HHZ. 2023-10-26T08:32:28.79 0.6 undecidable manual S 251 36.8298 117 0.09 50
IV.LMD.HHZ. 2023-10-26T08:32:26.66 0.3 undecidable manual S 209 27.5502 125 0.08 77
IV.RUFI.EHZ. 2023-10-26T08:32:26.63 1.0 undecidable manual P 210 58.3971 106 0.38 23
IV.BRSN.EHZ. 2023-10-26T08:32:25.05 0.6 undecidable manual S 94 16.5723 142 0.62 47
IV.SEI.HHZ. 2023-10-26T08:32:24.93 0.6 positive manual P 237 48.9177 110 0.08 50
IV.SFI.EHZ. 2023-10-26T08:32:24.03 0.3 negative manual P 183 43.4232 112 -0.04 76
IT.MOG.HNE. 2023-10-26T08:32:24.58 0.3 undecidable manual S 211 16.2726 142 0.19 77
IV.IMOL.EHZ. 2023-10-26T08:32:23.85 0.3 undecidable manual S 305 12.5763 149 0.02 80
IV.FAEN.HNZ. 2023-10-26T08:32:23.22 0.6 undecidable manual S 153 0.7992 178 0.29 52
IT.FAZ.HNN. 2023-10-26T08:32:23.22 0.3 undecidable manual S 80 1.4985 176 0.28 77
IV.MTRZ.HHZ. 2023-10-26T08:32:23.50 1.0 undecidable manual P 273 35.6421 118 0.53 23
IV.VISG.HHZ. 2023-10-26T08:32:22.83 0.6 positive manual P 251 36.8298 117 -0.31 49
IT.MRR.HGZ. 2023-10-26T08:32:22.81 1.0 undecidable manual P 220 33.4443 120 0.13 25
IV.LMD.HHZ. 2023-10-26T08:32:21.72 0.3 undecidable manual P 209 27.5502 125 -0.19 76
IT.MOG.HNE. 2023-10-26T08:32:20.44 0.3 undecidable manual P 211 16.2726 142 -0.21 77
IV.BRSN.EHZ. 2023-10-26T08:32:20.49 0.3 undecidable manual P 94 16.5723 142 -0.19 77
IT.FAZ.HNN. 2023-10-26T08:32:19.37 0.1 undecidable manual P 80 1.4985 176 -0.44 100
IV.IMOL.EHZ. 2023-10-26T08:32:19.93 0.1 undecidable manual P 305 12.5763 149 -0.4 100
IV.FAEN.HNZ. 2023-10-26T08:32:19.42 0.6 undecidable manual P 153 0.7992 178 -0.39 51
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.LMD.HHN. ML:1.8 0.000266 0.54 AML other m 2023-10-26T08:32:28.19
IV.LMD.HHE. ML:1.8 0.00027 0.32 AML other m 2023-10-26T08:32:30.48
IV.SFI.EHE. ML:1.6 0.00011899999999999999 0.14 AML other m 2023-10-26T08:32:32.17
IV.SFI.EHN. ML:1.6 0.0001047 0.14 AML other m 2023-10-26T08:32:32.43
IV.SEI.HHN. ML:2.0 0.0002205 1 AML other m 2023-10-26T08:32:34.25
IV.SEI.HHE. ML:1.9 0.000191 0.46 AML other m 2023-10-26T08:32:34.70
IV.ATPI.EHN. ML:1.7 0.00004514999999999999 1.58 AML other m 2023-10-26T08:32:55.11
IV.ROVR.HHN. ML:2.3 0.0000853 1.1 AML other m 2023-10-26T08:33:03.16
IV.ROVR.HHE. ML:2.0 0.00004445 0.62 AML other m 2023-10-26T08:33:07.81
IV.ATPI.EHE. ML:1.7 0.00005 0.42 AML other m 2023-10-26T08:33:13.35
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Download
Type Description Link
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