Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.3 on date 23-09-2022 and time 04:49:15 (Italy) in region Costa Romagnola meridionale (Rimini, Forli Cesena)

A magnitude ML 1.3 earthquake occured in region: Costa Romagnola meridionale (Rimini, Forli Cesena), on

  • 23-09-2022 02:49:15 (UTC)
  • 23-09-2022 04:49:15 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.9400, 12.4920 at 35 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.

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Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Montescudo - Monte Colombo RN 5 6779 6779
Sassofeltrio PU 5 1388 8167
Verucchio RN 7 10078 18245
Mercatino Conca PU 8 1086 19331
Gemmano RN 8 1158 20489
Monte Grimano Terme PU 8 1136 21625
Coriano RN 9 10502 32127
Poggio Torriana RN 10 5135 37262
San Clemente RN 11 5577 42839
Montefiore Conca RN 11 2269 45108
Monte Cerignone PU 13 669 45777
Morciano di Romagna RN 13 7045 52822
San Leo RN 13 2972 55794
Tavoleto PU 13 867 56661
Santarcangelo di Romagna RN 14 22089 78750
Auditore PU 15 1566 80316
Rimini RN 15 147750 228066
Riccione RN 15 34965 263031
Borghi FC 15 2843 265874
Montecopiolo PU 15 1128 267002
Macerata Feltria PU 16 1990 268992
Saludecio RN 16 3120 272112
Maiolo RN 16 848 272960
Misano Adriatico RN 17 13014 285974
Talamello RN 17 1104 287078
Sogliano al Rubicone FC 17 3195 290273
Novafeltria RN 17 7164 297437
Mondaino RN 17 1394 298831
Sassocorvaro PU 18 3504 302335
Pietrarubbia PU 18 660 302995
San Giovanni in Marignano RN 18 9417 312412
Roncofreddo FC 18 3386 315798
Montecalvo in Foglia PU 18 2718 318516
Montegridolfo RN 18 1012 319528
Savignano sul Rubicone FC 19 17766 337294
San Mauro Pascoli FC 20 11690 348984
Longiano FC 20 7126 356110

Municipalities with at least 50000 inhabitants

An earthquake occurred to
15 Km SW of Rimini (147750 inhabitants)
30 Km SE of Cesena (96758 inhabitants)
34 Km W of Pesaro (94582 inhabitants)
44 Km W of Fano (60888 inhabitants)
48 Km SE of Forlì (117913 inhabitants)
58 Km SE of Ravenna (159116 inhabitants)
62 Km SE of Faenza (58541 inhabitants)
72 Km NE of Arezzo (99543 inhabitants)
77 Km SE of Imola (69797 inhabitants)
90 Km W of Ancona (100861 inhabitants)
93 Km N 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 1.3 2022-09-23
02:49:15		 43.9405 12.4922 35 2024-03-01
15:28:21		 Bollettino Sismico Italiano INGV 116316431
Reviewed
Rev100 		ML 1.4 2022-09-23
02:49:13		 44.1058 12.459 9 2022-09-23
02:55:33		 Sala Sismica INGV-Roma 110036621
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2022-09-23 02:49:15 ± 0.15
Latitude 43.9405 ± 0.0081
Longitude 12.4922 ± 0.0100
Depth (km) 35 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 116316431

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 961
Semi-minor axis of confidence ellipse (meter) 436
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 213
Circular confidence region, given by single value of horizontal uncertainty (meter) 960.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 94
Number of associated phases, regardless of their use for origin computation 50
Number of defining phases 44
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.44
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 1.00095
Number of stations at which the event was observed 31
Number of stations from which data was used for origin computation 25
Magnitudes information

ML:1.3

Field Value
Value 1.3
Uncertainty 0.2
Num. used stations 10
Type of magnitude ML
Reference to an origin 116316431
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2023-04-12 15:19:15

ML:1.4

Field Value
Value 1.4
Uncertainty 0.2
Num. used stations 10
Type of magnitude ML
Reference to an origin 110036621
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2022-09-23 02:55:33
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.CDRU.HHZ. 2022-09-23T02:50:59.80 3.0 undecidable manual Sn -6.79 0
IV.PAOL.HHZ. 2022-09-23T02:50:54.23 3.0 undecidable manual Sg 5.39 0
IV.PTRJ.HHZ. 2022-09-23T02:50:50.82 3.0 undecidable manual Sg 9.7 0
IV.CET2.HHZ. 2022-09-23T02:50:26.66 3.0 undecidable manual Pn -2.24 0
IV.CASP.HHZ. 2022-09-23T02:50:05.96 3.0 undecidable manual Sn 0.12 0
IV.RIBO.EHZ.01 2022-09-23T02:49:45.67 3.0 negative manual Pg 8.56 0
IV.SEI.HHZ. 2022-09-23T02:49:44.54 0.6 undecidable manual S 278 91.3419 54 1.17 32
IV.BOSL.HHE. 2022-09-23T02:49:44.17 0.6 undecidable manual S 270 89.3439 54 1.24 31
IV.CAFI.HHZ. 2022-09-23T02:49:41.31 0.6 undecidable manual S 212 79.8645 109 0.47 43
IV.VMGN.HHN. 2022-09-23T02:49:40.57 0.6 undecidable manual S 271 76.6677 110 0.55 42
IV.ATVO.HHZ. 2022-09-23T02:49:37.06 0.6 undecidable manual S 186 62.2932 115 0.57 43
IV.LMD.HHZ. 2022-09-23T02:49:37.02 0.6 undecidable manual S 284 64.3911 114 0.02 49
IV.SSFR.HHZ. 2022-09-23T02:49:36.51 0.6 undecidable manual S 157 60.5949 116 0.44 44
IV.ARVD.HHZ. 2022-09-23T02:49:36.91 0.6 undecidable manual S 144 60.8946 115 0.77 39
IV.ATPI.EHZ. 2022-09-23T02:49:35.22 0.6 undecidable manual S 188 54.8007 118 0.53 44
IV.FRON.EHZ. 2022-09-23T02:49:34.52 0.6 undecidable manual S 158 50.5161 120 0.83 39
IV.FDMO.HHZ. 2022-09-23T02:49:34.43 0.3 undecidable manual P 154 111.0999 54 0.17 65
IV.SFI.EHZ. 2022-09-23T02:49:33.71 0.6 undecidable manual S 266 51.7038 120 -0.25 47
IV.APEC.HHZ. 2022-09-23T02:49:32.46 0.6 undecidable manual S 188 42.7239 125 0.51 45
IV.BOSL.HHE. 2022-09-23T02:49:32.57 0.3 undecidable manual P 270 89.3439 54 1.03 51
IV.SEI.HHZ. 2022-09-23T02:49:32.06 0.3 undecidable manual P 278 91.3419 54 0.27 66
IV.MPAG.EHZ. 2022-09-23T02:49:32.11 0.6 undecidable manual S 148 40.626 127 0.62 43
IV.CRTC.HNE. 2022-09-23T02:49:31.65 0.6 undecidable manual S 121 36.6411 130 1 37
IV.NARO.HHZ. 2022-09-23T02:49:31.13 0.6 undecidable manual S 169 37.2294 129 0.35 47
IV.VISG.HHZ. 2022-09-23T02:49:31.30 0.3 undecidable manual P 288 88.7445 54 -0.16 67
IV.PARC.HHZ. 2022-09-23T02:49:31.00 0.6 undecidable manual S 212 38.2284 129 0.02 51
IV.RUFI.EHE. 2022-09-23T02:49:31.14 0.3 undecidable manual P 262 79.365 109 0.89 55
IV.VMGN.HHN. 2022-09-23T02:49:29.80 0.1 undecidable manual P 271 76.6677 110 -0.05 94
IV.BLLA.EHE. 2022-09-23T02:49:29.38 0.6 undecidable manual S 356 22.5552 144 1.31 33
IV.PESA.HHE. 2022-09-23T02:49:29.54 0.6 undecidable manual S 90 27.8499 138 0.59 45
IV.CAFI.HHZ. 2022-09-23T02:49:29.72 0.3 undecidable manual P 212 79.8645 109 -0.61 61
IV.PE3.EHE. 2022-09-23T02:49:29.71 0.6 undecidable manual S 179 27.1506 139 0.88 40
IV.BRIS.HHN. 2022-09-23T02:49:28.09 0.3 undecidable manual P 299 65.8896 113 -0.22 69
IV.ATVO.HHZ. 2022-09-23T02:49:27.33 0.1 undecidable manual P 186 62.2932 115 -0.48 88
IV.CRE.HHE. 2022-09-23T02:49:27.26 0.3 undecidable manual P 231 56.0994 117 0.31 70
IV.LMD.HHZ. 2022-09-23T02:49:27.53 0.3 undecidable manual P 284 64.3911 114 -0.58 63
IV.SSFR.HHZ. 2022-09-23T02:49:27.05 0.1 positive manual P 157 60.5949 116 -0.52 88
IV.ATPI.EHZ. 2022-09-23T02:49:26.25 0.3 undecidable manual P 188 54.8007 118 -0.53 66
IV.COR1.HNN. 2022-09-23T02:49:26.78 0.1 undecidable manual P 130 53.2023 119 0.22 95
IV.ARVD.HHZ. 2022-09-23T02:49:26.91 0.3 undecidable manual P 144 60.8946 115 -0.7 61
IV.FRON.EHZ. 2022-09-23T02:49:25.67 0.1 undecidable manual P 158 50.5161 120 -0.53 89
IV.SFI.EHZ. 2022-09-23T02:49:25.39 0.3 undecidable manual P 266 51.7038 120 -0.97 55
IV.MPAG.EHZ. 2022-09-23T02:49:24.40 0.1 undecidable manual P 148 40.626 127 -0.53 91
IV.APEC.HHZ. 2022-09-23T02:49:24.64 0.1 undecidable manual P 188 42.7239 125 -0.56 89
IV.CRTC.HNE. 2022-09-23T02:49:24.27 0.1 undecidable manual P 121 36.6411 130 -0.17 99
IV.PARC.HHZ. 2022-09-23T02:49:23.97 0.1 undecidable manual P 212 38.2284 129 -0.66 86
IV.PE3.EHE. 2022-09-23T02:49:23.19 0.1 undecidable manual P 179 27.1506 139 -0.2 100
IV.NARO.HHZ. 2022-09-23T02:49:23.92 0.1 negative manual P 169 37.2294 129 -0.6 89
IV.PESA.HHE. 2022-09-23T02:49:23.39 0.3 undecidable manual P 90 27.8499 138 -0.07 77
IV.BLLA.EHE. 2022-09-23T02:49:22.94 0.3 undecidable manual P 356 22.5552 144 -0.01 78
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.MPAG.EHE. ML:1.2 0.000039349999999999994 1.1 AML other m 2022-09-23T02:49:25.73
IV.NARO.HHE. ML:1.2 0.00004175 0.62 AML other m 2022-09-23T02:49:31.42
IV.NARO.HHN. ML:1.2 0.00004145 0.42 AML other m 2022-09-23T02:49:31.27
IV.APEC.HHN. ML:1.4 0.0000571 1.06 AML other m 2022-09-23T02:49:34.64
IV.FRON.EHE. ML:1.2 0.00003315 0.64 AML other m 2022-09-23T02:49:35.13
IV.APEC.HHE. ML:1.3 0.00004615 1 AML other m 2022-09-23T02:49:35.88
IV.SSFR.HHN. ML:1.6 0.00006485 0.24 AML other m 2022-09-23T02:49:37.44
IV.SSFR.HHE. ML:1.7 0.00008659999999999999 0.24 AML other m 2022-09-23T02:49:37.55
IV.FRON.EHN. ML:1.3 0.000041150000000000004 1.34 AML other m 2022-09-23T02:49:38.76
IV.MPAG.EHN. ML:1.2 0.000038400000000000005 0.82 AML other m 2022-09-23T02:50:03.90
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