Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.3 on date 28-01-2020 and time 04:15:40 (UTC) in region 5 km E Ravenna (RA)

A magnitude ML 2.3 earthquake occured in region: 5 km E Ravenna (RA), on

  • 28-01-2020 04:15:40 (UTC)
  • 28-01-2020 05:15:40 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 44.4170, 12.2590 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.

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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
Ravenna RA 5 159116 159116
Russi RA 19 12247 171363
Cervia RA 19 28940 200303

Municipalities with at least 50000 inhabitants

An earthquake occurred to
5 Km E of Ravenna (159116 inhabitants)
28 Km NE of Forlì (117913 inhabitants)
31 Km N of Cesena (96758 inhabitants)
33 Km E of Faenza (58541 inhabitants)
44 Km E of Imola (69797 inhabitants)
46 Km NW of Rimini (147750 inhabitants)
69 Km SE of Ferrara (133155 inhabitants)
73 Km E of Bologna (386663 inhabitants)
77 Km NW of Pesaro (94582 inhabitants)
82 Km SE of Rovigo (51867 inhabitants)
88 Km NW of Fano (60888 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 2.3 2020-01-28
04:15:40		 44.4168 12.2593 22 2020-07-18
21:08:19		 Bollettino Sismico Italiano INGV 76404851
Reviewed
Rev100 		ML 2.7 2020-01-28
04:15:31		 44.4158 13.0483 12 2020-01-28
04:48:57		 Sala Sismica INGV-Roma 75929381
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-01-28 04:15:40 ± 0.12
Latitude 44.4168 ± 0.0081
Longitude 12.2593 ± 0.0126
Depth (km) 22 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 76404851

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 949
Semi-minor axis of confidence ellipse (meter) 622
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) 950.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 74
Number of associated phases, regardless of their use for origin computation 53
Number of defining phases 53
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.4
Epicentral distance of station closest to the epicenter (degree) 0.18436
Epicentral distance of station farthest from the epicenter (degree) 1.96951
Number of stations at which the event was observed 43
Number of stations from which data was used for origin computation 43
Magnitudes information

ML:2.3

Field Value
Value 2.3
Uncertainty 0.4
Num. used stations 45
Type of magnitude ML
Reference to an origin 76404851
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-04-01 16:03:20

ML:2.7

Field Value
Value 2.7
Uncertainty 0.3
Num. used stations 64
Type of magnitude ML
Reference to an origin 75929381
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-01-28 04:48:56
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
NI.VINO.HHZ. 2020-01-28T04:16:13.06 0.3 undecidable manual P 21 218.6145 54 -0.54 43
IV.ATPI.EHZ. 2020-01-28T04:16:12.30 0.6 undecidable manual S 174 107.8143 96 0.19 49
IV.PIEI.HHZ. 2020-01-28T04:16:11.20 1.0 undecidable manual S 167 100.2219 97 1.11 18
OX.SABO.HHZ. 2020-01-28T04:16:10.92 0.3 undecidable manual P 31 204.6396 54 -0.95 40
MN.TRI.HHZ. 2020-01-28T04:16:09.14 0.3 undecidable manual P 39 185.5698 54 -0.35 55
NI.POLC.HHE. 2020-01-28T04:16:09.92 0.6 undecidable manual P 6 179.5869 54 1.18 27
IV.MC2.EHZ. 2020-01-28T04:16:09.70 1.0 undecidable manual P 156 182.8836 54 0.55 18
IV.NARO.HHZ. 2020-01-28T04:16:09.70 1.0 undecidable manual S 164 93.0402 97 1.51 14
IV.MF5.EHZ. 2020-01-28T04:16:08.93 0.1 undecidable manual P 148 185.4699 54 -0.55 71
IV.CRE.HHZ. 2020-01-28T04:16:08.80 1.0 undecidable manual S 196 91.8414 98 0.91 20
OX.CAE.HHZ. 2020-01-28T04:16:08.49 1.0 undecidable manual P 4 177.1893 54 0.05 20
IV.RUFI.EHZ. 2020-01-28T04:16:07.00 1.0 undecidable manual S 223 87.6456 98 0.22 26
IV.PII.HHZ. 2020-01-28T04:16:06.32 0.3 undecidable manual P 241 158.2194 54 0.23 65
OX.CGRP.HHZ. 2020-01-28T04:16:06.89 0.6 undecidable manual P 348 166.2114 54 -0.19 42
OX.MARN.HNN. 2020-01-28T04:16:05.21 0.3 undecidable manual P 329 158.4192 54 -0.9 52
IV.ASQU.HHE. 2020-01-28T04:16:04.92 0.6 undecidable manual S 209 78.366 99 0.61 47
CR.BRJN.HHN. 2020-01-28T04:16:02.77 0.6 undecidable manual P 65 129.5703 95 0.58 43
IV.OSSC.HHZ. 2020-01-28T04:16:02.69 0.3 undecidable manual P 220 127.9719 95 0.76 60
IV.ZOVE.HNZ. 2020-01-28T04:16:02.52 0.6 undecidable manual P 332 129.9699 95 0.27 47
IV.CSNT.HHZ. 2020-01-28T04:16:02.99 0.1 undecidable manual P 217 130.1697 95 0.71 81
GU.POPM.HHZ. 2020-01-28T04:16:01.94 0.6 undecidable manual P 251 126.3735 95 0.25 47
IV.CRMI.HHZ. 2020-01-28T04:16:01.65 0.3 undecidable manual P 236 123.0879 95 0.47 68
IV.SFI.EHZ. 2020-01-28T04:16:01.40 1.0 undecidable manual S 210 65.5899 101 0.43 25
IV.VENL.HNN. 2020-01-28T04:16:00.44 1.0 undecidable manual P 5 111.2997 96 1.06 18
IV.TEOL.HHZ. 2020-01-28T04:16:00.27 0.3 undecidable manual P 337 114.4965 96 0.4 70
IV.ARVD.HHZ. 2020-01-28T04:15:59.90 0.3 undecidable manual P 152 115.5954 96 -0.14 74
IV.ATPI.EHZ. 2020-01-28T04:15:59.17 0.1 undecidable manual P 174 107.8143 96 0.33 96
IV.SERM.EHN. 2020-01-28T04:15:57.01 1.0 undecidable manual P 311 100.5216 97 -0.72 21
IV.PIEI.HHZ. 2020-01-28T04:15:57.80 0.6 undecidable manual P 167 100.2219 97 0.12 51
IV.APEC.HHZ. 2020-01-28T04:15:56.19 0.6 undecidable manual P 172 96.0261 97 -0.86 41
IV.CRE.HHZ. 2020-01-28T04:15:56.48 0.3 undecidable manual P 196 91.8414 98 0.07 78
IV.NARO.HHZ. 2020-01-28T04:15:56.84 0.1 undecidable manual P 164 93.0402 97 0.26 100
IV.PE3.EHE. 2020-01-28T04:15:55.93 0.6 undecidable manual P 167 82.1511 99 1 39
IV.RUFI.EHZ. 2020-01-28T04:15:55.82 0.6 undecidable manual P 223 87.6456 98 0.05 53
IV.BRIS.HHZ. 2020-01-28T04:15:55.18 0.6 undecidable manual S 242 44.5221 108 -0.34 54
IV.MTRZ.HNN. 2020-01-28T04:15:54.13 0.6 undecidable manual P 260 67.1772 101 1.48 32
IV.VISG.HHZ. 2020-01-28T04:15:54.07 0.3 undecidable manual P 249 70.1742 100 0.96 62
IV.SEI.HHZ. 2020-01-28T04:15:54.75 1.0 undecidable manual P 241 82.1511 99 -0.17 26
IV.RONT.HHN. 2020-01-28T04:15:53.82 0.6 undecidable manual P 235 80.7636 99 -0.89 42
IV.ASQU.HHE. 2020-01-28T04:15:53.34 0.3 undecidable manual P 209 78.366 99 -1 60
IV.RINC.HHZ. 2020-01-28T04:15:53.52 0.3 undecidable manual P 222 78.4659 99 -0.85 64
IT.FAZ.HNZ. 2020-01-28T04:15:52.58 0.6 undecidable manual S 246 32.0457 116 0.16 58
IV.PESA.HHZ. 2020-01-28T04:15:52.75 0.3 undecidable manual P 139 70.1742 100 -0.35 78
IV.FIU.EHZ. 2020-01-28T04:15:52.75 1.0 undecidable manual P 292 65.5899 101 0.34 26
IV.RSM2.HHE. 2020-01-28T04:15:51.28 1.0 undecidable manual P 164 55.2003 104 0.44 26
IV.SFI.EHZ. 2020-01-28T04:15:51.81 0.3 undecidable manual P 210 65.5899 101 -0.6 73
IV.IMOL.EHZ. 2020-01-28T04:15:49.55 1.0 undecidable manual P 261 41.4252 109 0.73 24
IV.LMD.HHZ. 2020-01-28T04:15:49.99 0.3 undecidable manual P 230 57.7977 103 -1.25 55
IV.BRSN.HNZ. 2020-01-28T04:15:49.01 0.3 undecidable manual S 224 20.4684 130 -0.8 72
IV.BRIS.HHZ. 2020-01-28T04:15:48.98 0.3 undecidable manual P 242 44.5221 108 -0.29 82
IT.FAZ.HNZ. 2020-01-28T04:15:47.46 0.3 undecidable manual P 246 32.0457 116 -0.02 89
IV.BLLA.EHE. 2020-01-28T04:15:47.11 0.6 undecidable manual P 151 34.743 114 -0.74 49
IV.BRSN.HNZ. 2020-01-28T04:15:46.00 0.3 undecidable manual P 224 20.4684 130 0.03 90
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
NI.VINO.HHE. ML:2.1 0.000030493365000000003 0.4608 AML other m 2020-01-28T04:16:27.41
IV.LMD.HHN. ML:2.4 0.0005295 0.28 AML other m 2020-01-28T04:16:14.29
IV.LMD.HHE. ML:1.8 0.0005145 0.3 AML other m 2020-01-28T04:16:14.32
IV.SFI.EHE. ML:1.6 0.0005989999999999999 0.36 AML other m 2020-01-28T04:16:16.60
IV.SFI.HNE. ML:2.5 0.0005719999999999999 0.36 AML other m 2020-01-28T04:16:16.42
IV.SFI.EHN. ML:1.8 0.000837 0.58 AML other m 2020-01-28T04:16:16.82
IV.SFI.HNN. ML:2.6 0.0007849999999999999 0.34 AML other m 2020-01-28T04:16:16.82
IV.PESA.HHN. ML:2.1 0.000858 0.8 AML other m 2020-01-28T04:16:19.88
IV.RINC.HHE. ML:2.6 0.0005115 1.68 AML other m 2020-01-28T04:16:20.93
IV.RINC.HHN. ML:2.4 0.00035650000000000005 0.52 AML other m 2020-01-28T04:16:20.10
IV.PESA.HHE. ML:1.9 0.000736 0.36 AML other m 2020-01-28T04:16:21.01
IV.IMOL.HNE. ML:2.4 0.00069519185 0.32 AML other m 2020-01-28T04:16:21.32
IV.FIU.EHE. ML:2.8 0.0011785 1.24 AML other m 2020-01-28T04:16:21.35
IV.FIU.EHN. ML:2.6 0.000789 1.18 AML other m 2020-01-28T04:16:21.40
IV.RUFI.EHE. ML:2.3 0.0002275 0.52 AML other m 2020-01-28T04:16:23.46
IV.NARO.HHE. ML:1.4 0.000143 1.24 AML other m 2020-01-28T04:16:23.14
IV.RUFI.EHN. ML:1.6 0.000259 0.6 AML other m 2020-01-28T04:16:23.79
IV.CRE.HHN. ML:1.7 0.0003105 1.54 AML other m 2020-01-28T04:16:23.79
IV.NARO.HHN. ML:2.4 0.000263 0.62 AML other m 2020-01-28T04:16:24.57
IV.SEI.HHN. ML:2.8 0.000762 0.8 AML other m 2020-01-28T04:16:24.89
IV.APEC.HHN. ML:2.7 0.00047250000000000005 1.16 AML other m 2020-01-28T04:16:26.83
IV.SEI.HHE. ML:2.6 0.0005365 0.36 AML other m 2020-01-28T04:16:27.06
IV.PIEI.HHE. ML:2.6 0.0004205 0.32 AML other m 2020-01-28T04:16:27.27
IV.APEC.HHE. ML:2.7 0.0004685 0.38 AML other m 2020-01-28T04:16:27.32
IV.PIEI.HHN. ML:1.7 0.0002205 0.3 AML other m 2020-01-28T04:16:27.57
IV.CRE.HHE. ML:2.4 0.0002635 0.56 AML other m 2020-01-28T04:16:27.63
IV.ATPI.EHE. ML:2.3 0.0001625 0.38 AML other m 2020-01-28T04:16:28.73
IV.ATPI.EHN. ML:2.4 0.00021349999999999999 0.62 AML other m 2020-01-28T04:16:31.76
IV.TEOL.HHN. ML:1.7 0.0005470000000000001 0.56 AML other m 2020-01-28T04:16:31.58
IV.ARVD.HHE. ML:2.3 0.00015099999999999998 1.62 AML other m 2020-01-28T04:16:31.94
IV.ARVD.HHN. ML:1.1 0.000107 1.3 AML other m 2020-01-28T04:16:33.88
IV.TEOL.HHE. ML:2.9 0.000678 0.54 AML other m 2020-01-28T04:16:34.04
IV.CRMI.HHN. ML:1.8 0.000039599999999999994 0.96 AML other m 2020-01-28T04:16:34.51
IV.OSSC.HHE. ML:1.8 0.000224 0.56 AML other m 2020-01-28T04:16:35.66
IV.CRMI.HHE. ML:1.7 0.00003555 0.64 AML other m 2020-01-28T04:16:37.44
IV.OSSC.HHN. ML:2.4 0.0001715 0.52 AML other m 2020-01-28T04:16:37.37
IV.CSNT.HHE. ML:2.2 0.00010835 1.54 AML other m 2020-01-28T04:16:37.89
IV.CSNT.HHN. ML:2.4 0.0001715 0.68 AML other m 2020-01-28T04:16:39.54
MN.TRI.HHN. ML:1.8 0.000089 1.34 AML other m 2020-01-28T04:16:49.12
IV.MF5.EHE. ML:2.8 0.00020950000000000002 0.74 AML other m 2020-01-28T04:16:52.99
MN.TRI.HHE. ML:2.6 0.000131 1.2 AML other m 2020-01-28T04:16:53.79
IV.MF5.EHN. ML:2.8 0.0001905 0.58 AML other m 2020-01-28T04:16:53.12
NI.VINO.HHN. ML:2.8 0.000143 1.68 AML other m 2020-01-28T04:16:53.89
GU.POPM.HHE. ML:2.0 0.00007592728 0.1984 AML other m 2020-01-28T04:16:17.61
IV.PII.HHE. ML:2.2 0.00006653787 0.24 AML other m 2020-01-28T04:16:20.97
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