Earthquake with magnitude of ML 0.8 on date 26-03-2023 and time 04:22:22 (UTC) in region 6 km N Bagno di Romagna (FC)

A magnitude ML 0.8 earthquake occured in region: 6 km N Bagno di Romagna (FC), on

  • 26-03-2023 04:22:22 (UTC)
  • 26-03-2023 06:22:22 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.9100, 11.9840 at 8 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
Bagno di Romagna FC 6 6026 6026
Santa Sofia FC 7 4136 10162
Galeata FC 11 2516 12678
Civitella di Romagna FC 12 3786 16464
Verghereto FC 13 1907 18371
Sarsina FC 13 3446 21817
Mercato Saraceno FC 18 6886 28703
Premilcuore FC 18 799 29502
Sant'Agata Feltria RN 19 2151 31653
Casteldelci RN 19 407 32060

Municipalities with at least 50000 inhabitants

An earthquake occurred to
33 Km SW of Cesena (96758 inhabitants)
35 Km S of Forlì (117913 inhabitants)
43 Km S of Faenza (58541 inhabitants)
50 Km W of Rimini (147750 inhabitants)
50 Km N of Arezzo (99543 inhabitants)
54 Km SE of Imola (69797 inhabitants)
59 Km SW of Ravenna (159116 inhabitants)
60 Km E of Firenze (382808 inhabitants)
66 Km E of Scandicci (50609 inhabitants)
71 Km E of Prato (191150 inhabitants)
75 Km W of Pesaro (94582 inhabitants)
83 Km SE of Bologna (386663 inhabitants)
83 Km W of Fano (60888 inhabitants)
84 Km NE of Siena (53903 inhabitants)
85 Km E of Pistoia (90315 inhabitants)
95 Km NW of Perugia (166134 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 0.8 2023-03-26
04:22:22
43.9098 11.9835 8 2024-03-01
17:18:19
Bollettino Sismico Italiano INGV 124298981
Reviewed
Rev100
ML 0.8 2023-03-26
04:22:22
43.9112 11.9853 9 2023-03-26
04:34:30
Sala Sismica INGV-Roma 115739531
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-03-26 04:22:22 ± 0.14
Latitude 43.9098 ± 0.0072
Longitude 11.9835 ± 0.0100
Depth (km) 8 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 124298981

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1009
Semi-minor axis of confidence ellipse (meter) 310
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 228
Circular confidence region, given by single value of horizontal uncertainty (meter) 1010.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 159
Number of associated phases, regardless of their use for origin computation 18
Number of defining phases 18
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.29
Epicentral distance of station closest to the epicenter (degree) 0.09803
Epicentral distance of station farthest from the epicenter (degree) 0.54589
Number of stations at which the event was observed 9
Number of stations from which data was used for origin computation 9
Magnitudes information

ML:0.8

Field Value
Value 0.8
Uncertainty 0.2
Num. used stations 8
Type of magnitude ML
Reference to an origin 115739531
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-03-26 04:34:30

ML:0.8

Field Value
Value 0.8
Uncertainty 0.2
Num. used stations 8
Type of magnitude ML
Reference to an origin 124298981
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2023-12-27 12:08:37
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.PIEI.HNN. 2023-03-26T04:22:41.23 0.6 undecidable manual S 133 60.5949 50 -0.41 43
IV.BADI.EHE. 2023-03-26T04:22:39.09 0.6 undecidable manual S 155 49.1175 50 0.54 43
IV.BRIS.HHZ. 2023-03-26T04:22:37.00 0.6 undecidable manual S 334 38.9277 50 1.14 34
IV.RUFI.EHZ. 2023-03-26T04:22:35.70 0.3 undecidable manual S 258 38.7279 50 -0.09 72
IV.PARC.HHE. 2023-03-26T04:22:35.13 0.6 undecidable manual S 145 35.4423 50 0.21 47
IV.VMGN.HHZ. 2023-03-26T04:22:35.20 0.3 undecidable manual S 278 36.3414 50 0.04 74
IV.CRE.HHZ. 2023-03-26T04:22:34.60 0.6 undecidable manual S 185 32.3454 105 0.58 43
IV.PIEI.HNN. 2023-03-26T04:22:33.54 0.3 undecidable manual P 133 60.5949 50 0.02 71
IV.LMD.HHZ. 2023-03-26T04:22:32.70 0.3 undecidable manual S 310 28.8489 106 -0.14 73
IV.BADI.EHE. 2023-03-26T04:22:31.65 0.3 undecidable manual P 155 49.1175 50 -0.08 71
IV.BRIS.HHZ. 2023-03-26T04:22:30.36 0.3 undecidable manual P 334 38.9277 50 0.19 71
IV.VMGN.HHZ. 2023-03-26T04:22:29.58 0.1 undecidable manual P 278 36.3414 50 -0.19 95
IV.RUFI.EHZ. 2023-03-26T04:22:29.77 0.3 undecidable manual P 258 38.7279 50 -0.37 68
IV.PARC.HHE. 2023-03-26T04:22:29.36 0.3 undecidable manual P 145 35.4423 50 -0.27 70
IV.CRE.HHZ. 2023-03-26T04:22:28.93 0.1 undecidable manual P 185 32.3454 105 -0.19 96
IV.LMD.HHZ. 2023-03-26T04:22:28.09 0.3 undecidable manual P 310 28.8489 106 -0.34 70
IV.SFI.EHZ. 2023-03-26T04:22:27.40 0.3 undecidable manual S 267 10.878 128 0.2 74
IV.SFI.EHZ. 2023-03-26T04:22:25.34 0.1 undecidable manual P 267 10.878 128 0.16 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.SFI.EHN. ML:0.9 0.00010125000000000001 0.32 AML other m 2023-03-26T04:22:30.40
IV.SFI.EHE. ML:0.8 0.00008315 0.78 AML other m 2023-03-26T04:22:31.49
IV.LMD.HHE. ML:0.9 0.000047350000000000006 0.28 AML other m 2023-03-26T04:22:32.82
IV.LMD.HHN. ML:1.0 0.0000479 0.5 AML other m 2023-03-26T04:22:34.76
IV.VMGN.HHE. ML:0.6 0.000015385949999999998 0.1408 AML other m 2023-03-26T04:22:35.80
IV.VMGN.HHN. ML:0.4 0.000010680525 0.5984 AML other m 2023-03-26T04:22:36.44
IV.BRIS.HHE. ML:0.7 0.000018461585 0.1792 AML other m 2023-03-26T04:22:37.14
IV.BRIS.HHN. ML:0.6 0.000014541444 0.24 AML other m 2023-03-26T04:22:39.66
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