Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.1 on date 05-02-2019 and time 11:47:55 (UTC) in region 6 km SE Ravenna (RA)

A magnitude ML 2.1 earthquake occured in region: 6 km SE Ravenna (RA), on

  • 05-02-2019 11:47:55 (UTC)
  • 05-02-2019 12:47:55 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 44.3880, 12.2620 at 19 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 6 159116 159116
Cervia RA 16 28940 188056
Russi RA 18 12247 200303

Municipalities with at least 50000 inhabitants

An earthquake occurred to
6 Km SE of Ravenna (159116 inhabitants)
25 Km NE of Forlì (117913 inhabitants)
28 Km N of Cesena (96758 inhabitants)
32 Km E of Faenza (58541 inhabitants)
44 Km E of Imola (69797 inhabitants)
44 Km NW of Rimini (147750 inhabitants)
71 Km SE of Ferrara (133155 inhabitants)
74 Km E of Bologna (386663 inhabitants)
74 Km NW of Pesaro (94582 inhabitants)
85 Km SE of Rovigo (51867 inhabitants)
86 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 2.1 2019-02-05
11:47:55		 44.3882 12.2617 19 2019-08-22
08:25:14		 Bollettino Sismico Italiano INGV 71276551
Reviewed
Rev100 		ML 2.2 2019-02-05
11:47:51		 44.4375 12.186 32 2019-02-05
12:53:14		 Sala Sismica INGV-Roma 65249881
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2019-02-05 11:47:55 ± 0.2
Latitude 44.3882 ± 0.0144
Longitude 12.2617 ± 0.0239
Depth (km) 19 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 71276551

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1589
Semi-minor axis of confidence ellipse (meter) 1559
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 233
Circular confidence region, given by single value of horizontal uncertainty (meter) 1590.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 75
Number of associated phases, regardless of their use for origin computation 32
Number of defining phases 32
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.63
Epicentral distance of station closest to the epicenter (degree) 0.16637
Epicentral distance of station farthest from the epicenter (degree) 1.96232
Number of stations at which the event was observed 28
Number of stations from which data was used for origin computation 28
Magnitudes information

ML:2.1

Field Value
Value 2.1
Uncertainty 0.2
Num. used stations 27
Type of magnitude ML
Reference to an origin 71276551
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2019-08-08 14:05:18

ML:2.2

Field Value
Value 2.2
Uncertainty 0.2
Num. used stations 27
Type of magnitude ML
Reference to an origin 65249881
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2019-02-05 12:53:14
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
OX.CGRP.HHZ. 2019-02-05T11:48:42.80 0.6 undecidable manual S 348 169.3971 54 0.27 40
IV.MSSA.HHZ. 2019-02-05T11:48:29.86 0.6 undecidable manual P 269 217.8153 54 1.04 23
IV.MF5.EHZ. 2019-02-05T11:48:24.35 0.3 undecidable manual P 148 182.6838 54 -0.09 59
IV.NARO.HHZ. 2019-02-05T11:48:24.05 0.6 undecidable manual S 163 89.9433 96 1.65 27
ST.VARA.EHZ. 2019-02-05T11:48:24.85 0.3 undecidable manual P 327 191.9634 54 -0.76 46
IV.CTI.HHZ. 2019-02-05T11:48:24.56 0.3 undecidable manual P 346 190.2651 54 -0.83 45
OX.CGRP.HHZ. 2019-02-05T11:48:22.03 0.1 undecidable manual P 348 169.3971 54 -0.76 69
IV.ASSB.HHZ. 2019-02-05T11:48:21.13 0.3 undecidable manual P 168 152.6361 54 0.42 63
IV.BDI.HHZ. 2019-02-05T11:48:19.56 0.3 undecidable manual P 255 137.2626 94 1.11 49
IV.ZOVE.HNZ. 2019-02-05T11:48:18.13 0.3 undecidable manual P 333 132.867 94 0.35 68
CR.BRJN.HHZ. 2019-02-05T11:48:16.88 0.1 undecidable manual P 63 130.7691 94 -0.57 84
IV.SENI.EHZ. 2019-02-05T11:48:16.71 0.3 undecidable manual P 134 108.3138 95 2.71 12
IV.TEOL.HHE. 2019-02-05T11:48:15.93 0.3 undecidable manual P 337 117.4935 94 0.53 67
IV.CAFI.HHZ. 2019-02-05T11:48:15.90 0.3 undecidable manual P 191 119.7912 94 0.13 72
IV.ATVO.HHZ. 2019-02-05T11:48:14.29 0.3 undecidable manual P 174 112.1988 95 -0.31 71
IV.PIEI.HHZ. 2019-02-05T11:48:12.64 0.1 undecidable manual P 167 97.0251 96 0.37 96
IV.NARO.HHZ. 2019-02-05T11:48:11.43 0.1 undecidable manual P 163 89.9433 96 0.26 100
IV.MPAG.EHZ. 2019-02-05T11:48:11.45 0.3 undecidable manual P 155 93.1401 96 -0.21 75
IV.SEI.HHZ. 2019-02-05T11:48:11.36 0.3 undecidable manual P 243 80.7636 97 1.58 43
Z3.A304A.HHZ. 2019-02-05T11:48:10.48 0.3 undecidable manual P 346 71.9724 98 2.05 32
IV.RUFI.EHE. 2019-02-05T11:48:09.90 0.3 undecidable manual P 225 85.5477 96 -0.6 70
IV.MTRZ.HNN. 2019-02-05T11:48:09.42 0.3 undecidable manual P 263 66.8775 99 1.77 39
IV.PESA.HHZ. 2019-02-05T11:48:08.55 0.6 undecidable manual P 137 67.6767 98 0.78 44
IV.ASQU.HHE. 2019-02-05T11:48:08.41 0.1 undecidable manual P 210 75.6687 97 -0.58 95
Z3.A309A.HHN. 2019-02-05T11:48:06.22 0.6 undecidable manual S 183 24.1536 120 0.84 47
IV.SFI.EHZ. 2019-02-05T11:48:05.46 0.3 undecidable manual P 212 62.9925 99 -1.6 44
IV.LMD.HHZ. 2019-02-05T11:48:04.40 0.3 undecidable manual P 232 55.8996 101 -1.59 45
IV.BRSN.EHZ. 2019-02-05T11:48:04.20 0.3 undecidable manual S 231 18.4704 129 0.09 89
IV.IMOL.HNZ. 2019-02-05T11:48:04.72 0.3 undecidable manual P 266 41.3253 106 0.93 65
IV.BRIS.HHZ. 2019-02-05T11:48:03.20 0.3 undecidable manual P 245 43.3233 105 -0.89 67
Z3.A309A.HHN. 2019-02-05T11:48:00.58 0.1 undecidable manual P 183 24.1536 120 -0.77 96
IV.BRSN.EHZ. 2019-02-05T11:47:59.74 0.1 undecidable manual P 231 18.4704 129 -0.87 93
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.BRSN.EHE. ML:2.3 0.0012627722 0.2048 AML other m 2019-02-05T11:48:04.41
IV.BRSN.HNN. ML:2.3 0.0010985011499999998 0.2304 AML other m 2019-02-05T11:48:04.39
IV.BRIS.HHE. ML:1.9 0.0002327841 0.3008 AML other m 2019-02-05T11:48:12.92
IV.BRIS.HHN. ML:1.9 0.0002078758 0.256 AML other m 2019-02-05T11:48:14.58
IV.LMD.HHE. ML:1.9 0.00016635425 1.6416 AML other m 2019-02-05T11:48:15.94
IV.LMD.HHN. ML:1.9 0.00016357269999999998 0.1792 AML other m 2019-02-05T11:48:16.22
IV.SFI.HNN. ML:2.1 0.00025552255 0.6208 AML other m 2019-02-05T11:48:18.47
IV.SFI.HNE. ML:2.0 0.00020456485 0.4352 AML other m 2019-02-05T11:48:18.57
IV.SFI.EHN. ML:2.1 0.00025376065 0.64 AML other m 2019-02-05T11:48:18.47
IV.SFI.EHE. ML:2.0 0.00018382664999999998 0.4416 AML other m 2019-02-05T11:48:18.59
IV.PESA.HHN. ML:2.6 0.0006407989 0.224 AML other m 2019-02-05T11:48:21.86
IV.PESA.HHE. ML:2.4 0.0004116946 0.2816 AML other m 2019-02-05T11:48:22.56
IV.NARO.HHN. ML:1.9 0.00009481645499999999 0.3008 AML other m 2019-02-05T11:48:26.36
IV.MPAG.EHN. ML:2.1 0.00012956119999999998 0.4608 AML other m 2019-02-05T11:48:26.65
IV.MPAG.EHE. ML:2.3 0.0002125039 0.3648 AML other m 2019-02-05T11:48:27.24
IV.MPAG.HNE. ML:2.3 0.00022511145 0.352 AML other m 2019-02-05T11:48:27.42
IV.PIEI.HHN. ML:2.1 0.00013274039999999998 0.3456 AML other m 2019-02-05T11:48:29.41
IV.NARO.HHE. ML:1.9 0.00008520010999999999 0.1984 AML other m 2019-02-05T11:48:29.70
IV.PIEI.HHE. ML:2.4 0.00024195715 0.2368 AML other m 2019-02-05T11:48:29.50
IV.ATVO.HHN. ML:2.1 0.00010214215 0.256 AML other m 2019-02-05T11:48:33.69
IV.ATVO.HHE. ML:2.2 0.00013113895000000002 0.32 AML other m 2019-02-05T11:48:34.05
IV.CAFI.HHE. ML:1.9 0.000059208965 0.5824 AML other m 2019-02-05T11:48:39.70
IV.CAFI.HHN. ML:1.8 0.00004286666 0.6208 AML other m 2019-02-05T11:48:39.44
IV.ASSB.HHN. ML:2.1 0.000061114365 0.3648 AML other m 2019-02-05T11:48:44.60
IV.ASSB.HHE. ML:2.2 0.00007175807 1.36 AML other m 2019-02-05T11:48:45.20
OX.CGRP.HHN. ML:2.3 0.00008595511000000001 0.6016 AML other m 2019-02-05T11:48:48.75
OX.CGRP.HHE. ML:2.4 0.000097235765 0.3392 AML other m 2019-02-05T11:48:48.93
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Download
Type Description Link
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