Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.5 on date 09-12-2020 and time 02:02:04 (Italy) in region Costa Ravennate (Ravenna)

A magnitude ML 2.5 earthquake occured in region: Costa Ravennate (Ravenna), on

  • 09-12-2020 01:02:04 (UTC)
  • 09-12-2020 02:02:04 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 44.3010, 12.3990 at 18 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
Cervia RA 6 28940 28940
Cesenatico FC 11 25796 54736
Bellaria-Igea Marina RN 18 19519 74255

Municipalities with at least 50000 inhabitants

An earthquake occurred to
21 Km SE of Ravenna (159116 inhabitants)
22 Km NE of Cesena (96758 inhabitants)
30 Km E of Forlì (117913 inhabitants)
30 Km NW of Rimini (147750 inhabitants)
41 Km E of Faenza (58541 inhabitants)
55 Km E of Imola (69797 inhabitants)
60 Km NW of Pesaro (94582 inhabitants)
71 Km NW of Fano (60888 inhabitants)
86 Km SE of Ferrara (133155 inhabitants)
87 Km E of Bologna (386663 inhabitants)
98 Km SE of Rovigo (51867 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 2.5 2020-12-09
01:02:04		 44.3007 12.3987 18 2021-02-26
14:56:09		 Bollettino Sismico Italiano INGV 85314711
Reviewed
Rev100 		ML 2.5 2020-12-09
01:02:05		 44.248 12.3307 10 2020-12-09
01:51:52		 Sala Sismica INGV-Roma 85304291
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-12-09 01:02:04 ± 0.15
Latitude 44.3007 ± 0.0117
Longitude 12.3987 ± 0.0151
Depth (km) 18 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 85314711

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1245
Semi-minor axis of confidence ellipse (meter) 883
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 216
Circular confidence region, given by single value of horizontal uncertainty (meter) 1240.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 137
Number of associated phases, regardless of their use for origin computation 64
Number of defining phases 64
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.5
Epicentral distance of station closest to the epicenter (degree) 0.16548
Epicentral distance of station farthest from the epicenter (degree) 2.71505
Number of stations at which the event was observed 59
Number of stations from which data was used for origin computation 59
Magnitudes information

ML:2.5

Field Value
Value 2.5
Uncertainty 0.3
Num. used stations 82
Type of magnitude ML
Reference to an origin 85304291
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-12-09 01:51:51

ML:2.5

Field Value
Value 2.5
Uncertainty 0.3
Num. used stations 76
Type of magnitude ML
Reference to an origin 85314711
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2021-02-18 01:10:35
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
SI.MOSI.HHZ. 2020-12-09T01:02:48.14 0.3 undecidable manual P 331 294.483 54 0.62 19
SI.ROSI.HHZ. 2020-12-09T01:02:47.46 0.6 undecidable manual P 346 301.3761 54 -0.92 10
GU.RNCA.HHZ. 2020-12-09T01:02:46.10 0.3 undecidable manual P 275 273.9147 54 1.13 19
IV.BRMO.HHZ. 2020-12-09T01:02:46.90 0.3 undecidable manual P 328 288.3891 54 0.13 23
IV.CASP.HHZ. 2020-12-09T01:02:36.43 1.0 undecidable manual P 217 207.9363 54 -0.33 14
IV.SMA1.EHZ. 2020-12-09T01:02:36.39 0.3 undecidable manual P 158 200.0442 54 0.62 42
IV.LNSS.HHZ. 2020-12-09T01:02:35.90 0.6 undecidable manual P 164 195.2601 54 0.72 28
OX.VARN.HNN. 2020-12-09T01:02:33.20 0.3 undecidable manual P 353 189.0663 54 -1.21 33
IV.FREG.EHE. 2020-12-09T01:02:33.17 0.3 undecidable manual P 358 189.8655 54 -1.34 30
IV.ASOL.HNZ. 2020-12-09T01:02:32.88 0.3 undecidable manual P 347 170.7957 54 0.74 47
OX.CAE.HHZ. 2020-12-09T01:02:32.99 0.3 undecidable manual P 1 189.5658 54 -1.48 28
IV.MNTT.EHZ. 2020-12-09T01:02:32.32 0.3 undecidable manual P 145 167.61 54 0.58 50
OX.CGRP.HHZ. 2020-12-09T01:02:32.18 0.6 undecidable manual P 345 181.3851 54 -1.27 22
IV.MMO1.EHZ. 2020-12-09T01:02:32.66 0.3 undecidable manual P 154 172.3941 54 0.33 52
IV.MF5.EHZ. 2020-12-09T01:02:32.16 0.3 undecidable manual P 149 168.7089 54 0.28 54
IV.PII.HHZ. 2020-12-09T01:02:31.33 0.3 undecidable manual P 247 162.7149 54 0.2 56
OX.MARN.HNN. 2020-12-09T01:02:31.28 0.3 undecidable manual P 328 175.1913 54 -1.41 32
IV.CESI.HHZ. 2020-12-09T01:02:30.14 0.3 undecidable manual P 164 149.3394 93 0.77 50
IV.FDMO.HHZ. 2020-12-09T01:02:30.30 0.3 undecidable manual P 158 150.738 93 0.72 51
IV.MGAB.HHZ. 2020-12-09T01:02:30.87 0.3 undecidable manual P 189 155.7219 54 0.62 52
IV.TREG.HNN. 2020-12-09T01:02:30.48 0.3 undecidable manual P 325 166.9107 54 -1.17 38
IV.CSP1.EHZ. 2020-12-09T01:02:29.61 0.3 undecidable manual P 154 148.8399 93 0.32 58
IV.CSNT.HHZ. 2020-12-09T01:02:27.62 0.3 undecidable manual P 224 127.5723 94 1.6 34
IV.CRMI.HHZ. 2020-12-09T01:02:26.96 0.3 undecidable manual P 244 126.2736 94 1.15 44
IV.ZCCA.HHZ. 2020-12-09T01:02:26.78 0.3 undecidable manual P 273 112.998 94 3.01 3
IV.RAVA.EHZ. 2020-12-09T01:02:25.63 0.3 undecidable manual P 297 113.0979 94 1.84 30
IV.EL6.EHZ. 2020-12-09T01:02:25.87 0.3 undecidable manual P 152 121.5894 94 0.78 53
IV.CAFI.HHZ. 2020-12-09T01:02:23.83 0.3 undecidable manual P 198 113.1978 94 0.03 67
IV.FOSV.EHZ. 2020-12-09T01:02:23.90 0.3 undecidable manual P 165 115.2957 94 -0.22 64
IV.MOCL.EHZ. 2020-12-09T01:02:22.96 0.6 undecidable manual P 252 102.3198 95 0.83 36
IV.IMOL.EHZ. 2020-12-09T01:02:21.06 0.6 undecidable manual S 277 52.503 100 -0.47 46
IV.ARVD.HHZ. 2020-12-09T01:02:21.18 0.3 undecidable manual P 154 99.0231 95 -0.45 63
IV.ATVO.HHZ. 2020-12-09T01:02:21.94 0.3 undecidable manual P 180 101.9202 95 -0.13 67
IV.SSFR.HHZ. 2020-12-09T01:02:21.30 0.3 undecidable manual P 162 100.6215 95 -0.58 60
IV.FRON.EHZ. 2020-12-09T01:02:20.09 0.3 undecidable manual P 163 90.6426 95 -0.26 66
IV.SEI.HHZ. 2020-12-09T01:02:20.57 0.6 undecidable manual P 252 87.1461 95 0.77 38
IV.BRIS.HHZ. 2020-12-09T01:02:20.46 0.6 undecidable manual S 261 50.9157 101 -0.67 43
IV.FIU.EHZ. 2020-12-09T01:02:20.32 0.3 undecidable manual P 298 81.0522 96 1.45 41
IV.MTRZ.HHZ. 2020-12-09T01:02:19.61 0.3 undecidable manual P 271 77.367 96 1.31 45
IV.RONT.HHZ. 2020-12-09T01:02:19.42 0.6 undecidable manual P 246 84.0492 96 0.09 46
IV.BADI.EHZ. 2020-12-09T01:02:19.47 0.3 undecidable manual P 188 88.6446 95 -0.56 62
IV.MPAG.EHZ. 2020-12-09T01:02:18.42 0.3 undecidable manual P 159 79.8645 96 -0.26 68
IV.APEC.HHZ. 2020-12-09T01:02:18.51 0.6 undecidable manual P 179 82.3509 96 -0.56 42
IV.RSM2.HHZ. 2020-12-09T01:02:18.07 0.6 undecidable manual S 175 40.4262 104 -0.32 48
IV.SSP9.EHZ. 2020-12-09T01:02:18.71 0.3 undecidable manual P 195 83.3499 96 -0.52 64
IV.CRE.HHZ. 2020-12-09T01:02:18.60 0.3 undecidable manual P 205 83.6496 96 -0.66 60
IV.RUFI.EHZ. 2020-12-09T01:02:18.95 0.3 undecidable manual P 234 87.5457 95 -0.91 54
IV.RINC.HHZ. 2020-12-09T01:02:17.42 0.3 undecidable manual P 234 78.0663 96 -0.99 53
IV.CRTC.HNE. 2020-12-09T01:02:17.80 0.3 undecidable manual P 147 70.5738 97 0.54 65
IV.CPGN.EHZ. 2020-12-09T01:02:16.05 1.0 undecidable manual P 186 55.7997 99 1.05 18
IV.ASQU.HHZ. 2020-12-09T01:02:16.67 0.3 undecidable manual P 221 74.0703 97 -1.13 50
IV.PARC.HHZ. 2020-12-09T01:02:16.90 0.3 undecidable manual P 190 73.4709 97 -0.8 58
IV.CMPO.HNZ. 2020-12-09T01:02:15.85 0.3 undecidable manual P 304 56.2992 99 0.76 61
IV.IMOL.EHZ. 2020-12-09T01:02:15.69 0.3 undecidable manual P 277 52.503 100 1.18 50
IV.LMD.HHZ. 2020-12-09T01:02:15.23 0.3 undecidable manual P 246 60.2952 99 -0.47 68
IV.PESA.HHZ. 2020-12-09T01:02:14.97 0.3 undecidable manual P 138 53.2023 100 0.36 70
IV.BRSN.EHZ. 2020-12-09T01:02:14.49 0.6 undecidable manual S 266 25.3524 116 -0.1 52
IV.FAEN.HNZ. 2020-12-09T01:02:13.27 0.3 undecidable manual P 268 41.4252 104 0.43 70
IV.BLLA.EHZ. 2020-12-09T01:02:13.35 0.6 undecidable manual S 162 18.3705 126 0.35 49
IV.BRIS.HHZ. 2020-12-09T01:02:13.68 0.1 undecidable manual P 261 50.9157 101 -0.59 88
IT.FAZ.HNZ. 2020-12-09T01:02:12.65 0.3 undecidable manual P 270 40.3263 104 -0.02 77
IV.RSM2.HHZ. 2020-12-09T01:02:12.42 0.3 undecidable manual P 175 40.4262 104 -0.27 73
IV.BRSN.EHZ. 2020-12-09T01:02:10.22 0.1 undecidable manual P 266 25.3524 116 -0.28 100
IV.BLLA.EHZ. 2020-12-09T01:02:09.25 0.1 undecidable manual P 162 18.3705 126 -0.32 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.BRSN.HNE. ML:2.6 0.001915 1 AML other m 2020-12-09T01:02:19.32
IV.BRSN.EHE. ML:2.4 0.0012200000000000002 1.02 AML other m 2020-12-09T01:02:19.31
IV.BRSN.HNN. ML:2.5 0.0016699999999999998 1.4 AML other m 2020-12-09T01:02:19.24
IV.BRSN.EHN. ML:2.5 0.0017349999999999998 1.4 AML other m 2020-12-09T01:02:19.25
IV.BRIS.HHN. ML:2.3 0.0005430000000000001 0.4 AML other m 2020-12-09T01:02:23.76
IV.BRIS.HHE. ML:2.4 0.0006755 0.42 AML other m 2020-12-09T01:02:24.37
IV.LMD.HHN. ML:2.3 0.00037150000000000003 0.42 AML other m 2020-12-09T01:02:28.31
IV.LMD.HHE. ML:2.3 0.0003605 0.42 AML other m 2020-12-09T01:02:28.25
IV.PESA.HHN. ML:2.7 0.0011245 0.8 AML other m 2020-12-09T01:02:28.56
IV.PESA.HHE. ML:2.8 0.0015249999999999999 0.14 AML other m 2020-12-09T01:02:28.58
IV.RINC.HHE. ML:2.4 0.0003755 0.3 AML other m 2020-12-09T01:02:31.77
IV.PARC.HHE. ML:2.1 0.00017749999999999998 0.32 AML other m 2020-12-09T01:02:33.76
IV.MPAG.EHN. ML:2.6 0.0005375000000000001 1.36 AML other m 2020-12-09T01:02:34.14
IV.MPAG.HNE. ML:2.5 0.00046199999999999995 1.36 AML other m 2020-12-09T01:02:34.27
IV.MPAG.HNN. ML:2.6 0.00058 0.9 AML other m 2020-12-09T01:02:35.25
IV.APEC.HHN. ML:2.4 0.00034199999999999996 0.36 AML other m 2020-12-09T01:02:35.37
IV.ASQU.HHE. ML:2.5 0.00043100000000000007 0.74 AML other m 2020-12-09T01:02:35.28
IV.MPAG.EHE. ML:2.6 0.000532 1.36 AML other m 2020-12-09T01:02:35.27
IV.FIU.EHN. ML:3.1 0.001515 1.06 AML other m 2020-12-09T01:02:36.64
IV.PARC.HHN. ML:2.1 0.00017999999999999998 0.42 AML other m 2020-12-09T01:02:36.33
IV.FIU.EHE. ML:2.8 0.0009165000000000001 1.46 AML other m 2020-12-09T01:02:36.86
IV.CRE.HHE. ML:2.3 0.0002475 0.42 AML other m 2020-12-09T01:02:36.28
IV.ASQU.HHN. ML:2.4 0.00035099999999999997 0.56 AML other m 2020-12-09T01:02:36.44
IV.RONT.HHE. ML:2.7 0.0006374999999999999 1.04 AML other m 2020-12-09T01:02:36.23
IV.FRON.EHN. ML:2.5 0.00033350000000000003 0.68 AML other m 2020-12-09T01:02:37.44
IV.FRON.EHE. ML:2.4 0.000259 0.62 AML other m 2020-12-09T01:02:37.62
IV.CRE.HHN. ML:2.5 0.000402 0.46 AML other m 2020-12-09T01:02:37.49
IV.RONT.HHN. ML:2.5 0.0004025 1.02 AML other m 2020-12-09T01:02:37.82
IV.RUFI.EHN. ML:2.1 0.00015035000000000002 1.12 AML other m 2020-12-09T01:02:38.56
IV.APEC.HHE. ML:2.4 0.000304 1.78 AML other m 2020-12-09T01:02:38.01
IV.SEI.HHN. ML:2.9 0.0009274999999999999 1.54 AML other m 2020-12-09T01:02:38.02
IV.RINC.HHN. ML:2.4 0.0003265 1.4 AML other m 2020-12-09T01:02:38.78
IV.BADI.EHN. ML:2.3 0.000254 1.62 AML other m 2020-12-09T01:02:38.12
IV.RUFI.EHE. ML:2.4 0.00026900000000000003 0.88 AML other m 2020-12-09T01:02:38.43
IV.BADI.EHE. ML:2.4 0.0002775 0.92 AML other m 2020-12-09T01:02:39.26
IV.ARVD.HHE. ML:2.3 0.00019250000000000002 1.7 AML other m 2020-12-09T01:02:40.97
IV.SSFR.HHN. ML:2.8 0.000628 1.3 AML other m 2020-12-09T01:02:40.81
IV.SSFR.HNN. ML:3.0 0.0008585 1.3 AML other m 2020-12-09T01:02:40.17
IV.ATVO.HHE. ML:2.4 0.00023299999999999997 0.54 AML other m 2020-12-09T01:02:40.78
IV.ATVO.HHN. ML:2.3 0.00020700000000000002 0.88 AML other m 2020-12-09T01:02:40.34
IV.SEI.HHE. ML:2.8 0.0008275 0.38 AML other m 2020-12-09T01:02:40.79
IV.SSFR.HHE. ML:2.9 0.00074 0.2 AML other m 2020-12-09T01:02:41.30
IV.SSFR.HNE. ML:2.9 0.0007775 0.2 AML other m 2020-12-09T01:02:41.10
IV.MOCL.EHN. ML:2.4 0.0002315 0.76 AML other m 2020-12-09T01:02:42.45
IV.MOCL.EHE. ML:2.4 0.000249 0.82 AML other m 2020-12-09T01:02:42.46
IV.FOSV.EHE. ML:2.5 0.00023400000000000002 1.42 AML other m 2020-12-09T01:02:43.71
IV.PII.HHE. ML:2.5 0.00013900000000000002 0.24 AML other m 2020-12-09T01:02:43.55
IV.ARVD.HHN. ML:2.2 0.00016649999999999998 1.16 AML other m 2020-12-09T01:02:44.58
IV.CRMI.HHE. ML:1.8 0.00004475 0.92 AML other m 2020-12-09T01:02:44.49
IV.CRMI.HHN. ML:1.8 0.000041549999999999994 1.28 AML other m 2020-12-09T01:02:44.82
IV.RAVA.EHE. ML:2.9 0.0006105 1.14 AML other m 2020-12-09T01:02:44.91
IV.CSNT.HHN. ML:2.3 0.00013450000000000002 0.66 AML other m 2020-12-09T01:02:46.59
IV.EL6.EHN. ML:2.8 0.0004185 0.52 AML other m 2020-12-09T01:02:46.70
IV.EL6.EHE. ML:2.8 0.000447 0.58 AML other m 2020-12-09T01:02:48.74
IV.CSNT.HHE. ML:2.2 0.0001166 1.52 AML other m 2020-12-09T01:02:50.20
IV.FOSV.EHN. ML:2.2 0.00012745 0.92 AML other m 2020-12-09T01:02:51.38
IV.CSP1.EHN. ML:3.0 0.0004785 1.58 AML other m 2020-12-09T01:02:53.98
IV.FDMO.HHN. ML:2.6 0.00018099999999999998 0.92 AML other m 2020-12-09T01:02:54.56
IV.CSP1.EHE. ML:3.0 0.0005805000000000001 0.42 AML other m 2020-12-09T01:02:55.47
IV.MGAB.HHN. ML:2.4 0.0001185 0.58 AML other m 2020-12-09T01:02:55.23
IV.MGAB.HHE. ML:2.5 0.00013639999999999998 0.82 AML other m 2020-12-09T01:02:57.17
IV.PII.HHN. ML:2.5 0.000135 0.42 AML other m 2020-12-09T01:02:57.50
IV.FDMO.HHE. ML:2.4 0.000126 1.32 AML other m 2020-12-09T01:02:57.79
IV.MF5.EHE. ML:3.0 0.000364 0.52 AML other m 2020-12-09T01:03:01.40
IV.MF5.EHN. ML:3.0 0.0003705 0.62 AML other m 2020-12-09T01:03:01.54
IV.RAVA.EHN. ML:2.8 0.000583 0.42 AML other m 2020-12-09T01:03:08.33
IV.SMA1.EHN. ML:2.7 0.000145 1.4 AML other m 2020-12-09T01:03:12.98
IV.SMA1.EHE. ML:2.7 0.0001545 0.54 AML other m 2020-12-09T01:03:12.53
IV.LNSS.HHN. ML:2.6 0.00013700000000000002 0.52 AML other m 2020-12-09T01:03:12.81
IV.LNSS.HHE. ML:2.6 0.00012304999999999998 0.76 AML other m 2020-12-09T01:03:20.14
SI.ROSI.HHE. ML:2.9 0.00009925 0.28 AML other m 2020-12-09T01:03:22.27
SI.ROSI.HHN. ML:2.8 0.00007835000000000001 0.84 AML other m 2020-12-09T01:03:23.55
IV.BRMO.HHN. ML:2.4 0.000029049999999999998 0.5 AML other m 2020-12-09T01:03:30.83
IV.BRMO.HHE. ML:2.5 0.0000401 1.38 AML other m 2020-12-09T01:03:30.24
SI.MOSI.HHN. ML:3.1 0.00015999999999999999 1.2 AML other m 2020-12-09T01:03:33.33
SI.MOSI.HHE. ML:3.0 0.00014000000000000001 0.66 AML other m 2020-12-09T01:03:33.75
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
Waveforms Seismic signals in miniseed + resp format Download