Earthquake with magnitude of ML 1.6 on date 13-03-2023 and time 18:56:16 (UTC) in region 3 km SE Cervia (RA)

A magnitude ML 1.6 earthquake occured in region: 3 km SE Cervia (RA), on

  • 13-03-2023 18:56:16 (UTC)
  • 13-03-2023 19:56:16 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 44.2330, 12.3630 at 22 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
Cervia RA 3 28940 28940
Cesenatico FC 5 25796 54736
Bellaria-Igea Marina RN 12 19519 74255
Gambettola FC 13 10660 84915
Gatteo FC 14 9068 93983
Cesena FC 14 96758 190741
San Mauro Pascoli FC 15 11690 202431
Savignano sul Rubicone FC 16 17766 220197
Montiano FC 17 1716 221913
Longiano FC 18 7126 229039
Forlimpopoli FC 19 13290 242329
Santarcangelo di Romagna RN 20 22089 264418

Municipalities with at least 50000 inhabitants

An earthquake occurred to
14 Km NE of Cesena (96758 inhabitants)
24 Km SE of Ravenna (159116 inhabitants)
25 Km NW of Rimini (147750 inhabitants)
26 Km E of Forlì (117913 inhabitants)
39 Km E of Faenza (58541 inhabitants)
53 Km E of Imola (69797 inhabitants)
57 Km NW of Pesaro (94582 inhabitants)
68 Km NW of Fano (60888 inhabitants)
86 Km E of Bologna (386663 inhabitants)
89 Km SE of Ferrara (133155 inhabitants)
93 Km NE of Arezzo (99543 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 1.6 2023-03-13
18:56:16
44.2328 12.3632 23 2024-03-01
17:18:00
Bollettino Sismico Italiano INGV 115789651
Reviewed
Rev100
ML 1.6 2023-03-13
18:56:16
44.22 12.3532 19 2023-03-13
19:26:17
Sala Sismica INGV-Roma 115330121
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-03-13 18:56:16 ± 0.24
Latitude 44.2328 ± 0.0108
Longitude 12.3632 ± 0.0100
Depth (km) 23 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 115789651

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1113
Semi-minor axis of confidence ellipse (meter) 443
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 184
Circular confidence region, given by single value of horizontal uncertainty (meter) 1110.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 221
Number of associated phases, regardless of their use for origin computation 31
Number of defining phases 20
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.32
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.78241
Number of stations at which the event was observed 22
Number of stations from which data was used for origin computation 12
Magnitudes information

ML:1.6

Field Value
Value 1.6
Uncertainty 0.2
Num. used stations 10
Type of magnitude ML
Reference to an origin 115789651
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2023-11-28 16:49:05

ML:1.6

Field Value
Value 1.6
Uncertainty 0.1
Num. used stations 8
Type of magnitude ML
Reference to an origin 115330121
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-03-13 19:26:17
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
GU.MGRO.HHZ. 2023-03-13T18:57:58.91 3.0 undecidable manual Sg 15.38 0
1J.FX14.HHZ.00 2023-03-13T18:57:51.60 3.0 negative manual Pn -2.03 0
GU.GBOS.HHZ. 2023-03-13T18:57:43.09 3.0 undecidable manual Sn 0.31 0
IV.BSSO.HHZ. 2023-03-13T18:57:41.22 3.0 undecidable manual Sn 1.66 0
IV.SPS2.HHZ. 2023-03-13T18:57:39.24 3.0 negative manual Pn 0.37 0
GU.BLANC.HHZ. 2023-03-13T18:57:38.51 3.0 undecidable manual Pg 20.879999 0
CR.STON.BHZ. 2023-03-13T18:57:18.96 3.0 undecidable manual Pn 2.37 0
IV.MSSA.HHZ. 2023-03-13T18:57:13.04 3.0 undecidable manual Sn -0.31 0
IV.BSSO.HHZ. 2023-03-13T18:57:00.35 3.0 undecidable manual Pn -2.57 0
IV.PP3.EHZ. 2023-03-13T18:56:52.64 3.0 undecidable manual Sn -0.67 0
IV.PIEI.HHZ. 2023-03-13T18:56:40.35 0.3 undecidable manual S 170 78.5658 100 0.63 62
IV.CSP1.EHZ. 2023-03-13T18:56:40.55 3.0 undecidable manual Pg 3.08 0
IV.VMGN.HHN. 2023-03-13T18:56:38.65 0.6 undecidable manual S 245 72.9714 101 0.38 46
IV.PARC.HHZ. 2023-03-13T18:56:36.34 0.3 undecidable manual S 189 65.5899 102 0.02 75
IV.NARO.HHZ. 2023-03-13T18:56:36.93 1.0 undecidable manual S 166 71.1732 101 -0.85 20
IV.LMD.HHZ. 2023-03-13T18:56:33.57 0.3 undecidable manual S 252 55.0005 105 0 78
IV.SFI.EHZ. 2023-03-13T18:56:33.59 0.6 undecidable manual S 229 54.9006 105 0.04 51
IV.PESA.HHE. 2023-03-13T18:56:32.89 0.3 undecidable manual S 130 49.9167 107 0.62 67
IV.ATPI.EHZ. 2023-03-13T18:56:31.01 0.6 undecidable manual P 178 86.8464 99 0.04 48
IV.VMGN.HHN. 2023-03-13T18:56:29.47 0.3 undecidable manual P 245 72.9714 101 0.59 66
IV.MPAG.EHZ. 2023-03-13T18:56:29.03 0.3 undecidable manual P 155 74.0703 101 0 75
IV.RUFI.EHZ. 2023-03-13T18:56:29.99 1.0 undecidable manual P 238 80.9523 99 -0.09 24
IV.PIEI.HHZ. 2023-03-13T18:56:29.44 0.3 undecidable manual P 170 78.5658 100 -0.28 71
IV.NARO.HHZ. 2023-03-13T18:56:28.17 0.3 undecidable manual P 166 71.1732 101 -0.42 70
IV.PARC.HHZ. 2023-03-13T18:56:27.20 0.3 undecidable manual P 189 65.5899 102 -0.55 68
IV.BRIS.HHZ. 2023-03-13T18:56:25.79 0.6 undecidable manual P 269 47.4192 108 0.74 44
IV.SFI.EHZ. 2023-03-13T18:56:25.73 0.3 undecidable manual P 229 54.9006 105 -0.43 71
IV.LMD.HHZ. 2023-03-13T18:56:25.99 0.1 undecidable manual P 252 55.0005 105 -0.17 100
IV.PESA.HHE. 2023-03-13T18:56:25.65 0.6 undecidable manual P 130 49.9167 107 0.24 50
IV.BLLA.EHE. 2023-03-13T18:56:23.76 0.3 undecidable manual S 139 13.0758 146 -0.22 80
IV.BLLA.EHE. 2023-03-13T18:56:20.46 0.3 undecidable manual P 139 13.0758 146 -0.16 81
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.SFI.EHN. ML:1.5 0.00006934999999999999 1.48 AML other m 2023-03-13T18:56:34.77
IV.SFI.EHE. ML:1.6 0.00008754999999999999 0.78 AML other m 2023-03-13T18:56:34.58
IV.LMD.HHN. ML:1.6 0.00007295 0.3 AML other m 2023-03-13T18:56:35.69
IV.PARC.HHN. ML:1.7 0.00007845 0.16 AML other m 2023-03-13T18:56:36.63
IV.PARC.HHE. ML:1.8 0.0000984 1.82 AML other m 2023-03-13T18:56:36.02
IV.LMD.HHE. ML:1.6 0.00008324999999999999 0.96 AML other m 2023-03-13T18:56:37.55
IV.BRIS.HHE. ML:0.9 0.000021736789999999998 0.3072 AML other m 2023-03-13T18:56:37.91
IV.PIEI.HHN. ML:1.5 0.0000435 1.66 AML other m 2023-03-13T18:56:40.12
IV.PIEI.HHE. ML:1.6 0.0000575 0.18 AML other m 2023-03-13T18:56:41.33
IV.SFI.HNN. ML:1.8 0.000134370985 0.8576 AML other m 2023-03-13T18:56:49.79
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