Earthquake with magnitude of ML 2.1 on date 20-01-2019 and time 23:24:16 (UTC) in region 5 km S Ravenna (RA)

A magnitude ML 2.1 earthquake occured in region: 5 km S Ravenna (RA), on

  • 20-01-2019 23:24:16 (UTC)
  • 21-01-2019 00:24:16 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 44.37, 12.19 at 23 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
Ravenna RA 5 159116 159116
Russi RA 12 12247 171363
Bagnacavallo RA 18 16739 188102
Cervia RA 18 28940 217042
Alfonsine RA 19 12038 229080
Cotignola RA 20 7474 236554

Municipalities with at least 50000 inhabitants

An earthquake occurred to
5 Km S of Ravenna (159116 inhabitants)
20 Km NE of Forlì (117913 inhabitants)
26 Km E of Faenza (58541 inhabitants)
26 Km N of Cesena (96758 inhabitants)
38 Km E of Imola (69797 inhabitants)
46 Km NW of Rimini (147750 inhabitants)
69 Km E of Bologna (386663 inhabitants)
69 Km SE of Ferrara (133155 inhabitants)
77 Km NW of Pesaro (94582 inhabitants)
84 Km SE of Rovigo (51867 inhabitants)
89 Km NW of Fano (60888 inhabitants)
100 Km NE of Firenze (382808 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
Rev 1000 ML 2.1 2019-01-20
23:24:16
44.37 12.19 23 2019-08-22
08:24:52
Bollettino Sismico Italiano INGV 66021211
Rev 100 ML 1.9 2019-01-20
23:24:17
44.42 12.19 18 2019-01-20
23:34:26
Sala Sismica INGV-Roma 64829031
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2019-01-20 23:24:16 ± 0.21
Latitude 44.37 ± 0.02
Longitude 12.19 ± 0.02
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 66021211

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1884
Semi-minor axis of confidence ellipse (meter) 1104
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 228
Circular confidence region, given by single value of horizontal uncertainty (meter) 1880
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 142
Number of associated phases, regardless of their use for origin computation 30
Number of defining phases 30
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.49
Epicentral distance of station closest to the epicenter (degree) 0.11691
Epicentral distance of station farthest from the epicenter (degree) 1.53155
Number of stations at which the event was observed 26
Number of stations from which data was used for origin computation 26
Magnitudes information

ML:2.1

Field Value
Value 2.1
Uncertainty 0.3
Num. used stations 19
Type of magnitude ML
Reference to an origin 66021211
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2019-06-07 00:46:28

ML:1.9

Field Value
Value 1.9
Uncertainty 0.3
Num. used stations 36
Type of magnitude ML
Reference to an origin 64829031
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2019-01-20 23:34:26
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
OX.CGRP.HNE. 2019-01-20T23:25:03.84 0.6 undecidable manual S 350 1.5315 54 0.64 35
IV.MPAG.EHZ. 2019-01-20T23:24:46.41 0.6 undecidable manual S 151 0.8481 98 1.67 25
OX.CGRP.HNE. 2019-01-20T23:24:43.14 0.3 undecidable manual P 350 1.5315 54 -0.51 52
IV.PII.HHZ. 2019-01-20T23:24:41.57 0.3 undecidable manual P 242 1.3607 54 0.29 62
IV.CSNT.HHZ. 2019-01-20T23:24:39.21 0.6 undecidable manual P 216 1.1071 96 1.83 21
IV.EL6.EHZ. 2019-01-20T23:24:39.32 0.6 undecidable manual P 147 1.2321 54 -0.18 43
IV.OSSC.HHZ. 2019-01-20T23:24:39.01 0.3 undecidable manual P 219 1.0864 96 1.98 28
IV.ZOVE.HNN. 2019-01-20T23:24:38.54 0.6 undecidable manual P 336 1.1898 96 -0.25 43
IV.CAFI.HHZ. 2019-01-20T23:24:36.77 0.3 undecidable manual P 189 1.054 96 0.29 67
IV.SSFR.HHZ. 2019-01-20T23:24:35.60 0.3 undecidable manual P 155 1.0279 97 -0.44 65
IV.ARVD.HHZ. 2019-01-20T23:24:35.67 0.6 undecidable manual P 148 1.027 97 -0.36 44
IV.ATVO.HHZ. 2019-01-20T23:24:35.41 0.3 undecidable manual P 171 1.0018 97 -0.18 69
IV.COR1.HNN. 2019-01-20T23:24:35.18 0.6 undecidable manual P 141 0.9416 97 0.61 42
IV.ATPI.EHZ. 2019-01-20T23:24:34.24 0.3 undecidable manual P 170 0.9335 97 -0.19 70
IV.APEC.HNN. 2019-01-20T23:24:32.61 0.3 undecidable manual P 168 0.8301 98 -0.06 73
IV.MPAG.EHZ. 2019-01-20T23:24:32.43 0.3 undecidable manual P 151 0.8481 98 -0.55 65
IV.RUFI.EHE. 2019-01-20T23:24:31.02 0.3 undecidable manual P 223 0.7231 100 0.15 74
IV.CRE.HHZ. 2019-01-20T23:24:31.87 0.3 undecidable manual P 193 0.7716 99 0.17 73
IV.NARO.HHZ. 2019-01-20T23:24:31.75 0.3 undecidable manual P 160 0.8112 99 -0.61 64
IV.PE3.EHZ. 2019-01-20T23:24:30.93 0.6 undecidable manual P 162 0.7105 100 0.27 48
IV.PARC.HHE. 2019-01-20T23:24:30.23 0.3 undecidable manual P 177 0.724 100 -0.66 64
IV.PESA.HHZ. 2019-01-20T23:24:30.25 0.3 undecidable manual P 132 0.6349 101 0.86 61
IV.BRIS.HHZ. 2019-01-20T23:24:29.10 0.6 undecidable manual S 244 0.3363 114 -0.94 42
IV.ASQU.HHE. 2019-01-20T23:24:29.72 0.3 undecidable manual P 207 0.6421 101 0.2 74
IV.SFI.HNN. 2019-01-20T23:24:26.73 0.3 undecidable manual P 208 0.527 104 -0.87 62
IV.LMD.HHE. 2019-01-20T23:24:25.68 0.3 undecidable manual P 230 0.4533 107 -0.7 67
IV.BRSN.EHZ. 2019-01-20T23:24:25.58 0.3 undecidable manual S 222 0.1169 146 0.64 73
IV.IMOL.HNZ. 2019-01-20T23:24:25.72 0.3 undecidable manual P 268 0.3193 115 1.48 48
IV.BRIS.HHZ. 2019-01-20T23:24:24.37 0.3 undecidable manual P 244 0.3363 114 -0.13 80
IV.BRSN.EHZ. 2019-01-20T23:24:20.99 0.1 negative manual P 222 0.1169 146 -0.56 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.BRSN.EHE. ML:0 0.00174 0.2 AML other m 2019-01-20T23:24:25.86
IV.BRSN.EHN. ML:0 0.00119 0.22 AML other m 2019-01-20T23:24:25.86
IV.BRSN.HNN. ML:0 0.0019972665 0.2176 AML other m 2019-01-20T23:24:25.86
IV.BRSN.HNE. ML:0 0.00074832975 0.2304 AML other m 2019-01-20T23:24:26.16
IV.BRIS.HHN. ML:1.6 0.0001212 0.3 AML other m 2019-01-20T23:24:38.81
IV.SFI.HNE. ML:1.8 0.000140045855 0.5376 AML other m 2019-01-20T23:24:38.90
IV.SFI.EHE. ML:1.7 9.293311E-5 0.3456 AML other m 2019-01-20T23:24:39.29
IV.SFI.EHN. ML:1.8 0.000121039475 0.384 AML other m 2019-01-20T23:24:39.80
IV.SFI.HNN. ML:2 0.00021551845 0.64 AML other m 2019-01-20T23:24:40.12
IV.BRIS.HHE. ML:1.6 0.0001395 1.58 AML other m 2019-01-20T23:24:43.20
IV.PE3.EHE. ML:2.4 0.0003481699 0.4864 AML other m 2019-01-20T23:24:46.04
IV.PE3.EHN. ML:2.5 0.0004532403 0.4352 AML other m 2019-01-20T23:24:46.52
IV.NARO.HHN. ML:1.8 6.36069E-5 0.2816 AML other m 2019-01-20T23:24:47.76
IV.MPAG.HNE. ML:2.1 0.00013398665 0.32 AML other m 2019-01-20T23:24:47.98
IV.MPAG.EHE. ML:2.1 0.0001466779 0.4224 AML other m 2019-01-20T23:24:48.36
IV.MPAG.EHN. ML:2.1 0.0001199294 0.3712 AML other m 2019-01-20T23:24:48.61
IV.SSFR.HHN. ML:2.3 0.0001508003 0.2304 AML other m 2019-01-20T23:24:53.61
IV.SSFR.HHE. ML:2.5 0.00023470115 0.2048 AML other m 2019-01-20T23:24:53.88
IV.SSFR.HNE. ML:2.5 0.0002624327 0.192 AML other m 2019-01-20T23:24:53.88
IV.MTCR.EHE. ML:0 3.28970295E-5 0.32 AML other m 2019-01-20T23:24:56.69
IV.FDMO.HHN. ML:0 0.002115 0.18 AML other m 2019-01-20T23:25:21.17
IV.FDMO.HHE. ML:0 0.000853 0.14 AML other m 2019-01-20T23:25:21.70
IV.MF5.EHN. ML:0 0.00012115 1.26 AML other m 2019-01-20T23:25:29.11
IV.MF5.EHE. ML:0 0.000142838 1.48 AML other m 2019-01-20T23:25:30.03
IV.APPI.EHN. ML:0 3.89E-5 0.34 AML other m 2019-01-20T23:25:34.01
IV.APPI.EHE. ML:0 3.445E-5 0.36 AML other m 2019-01-20T23:25:34.41
TDMT - Time Domain Moment Tensor
Focal Mechanism in the area
Download
Type Description Link
QuakeML - small Event, Origin, FocalMechanism Download
QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download