Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.1 on date 25-02-2018 and time 09:27:29 (Italy) in region 3 km E Verucchio (RN)

A magnitude ML 2.1 earthquake occured in region: 3 km E Verucchio (RN), on

  • 25-02-2018 08:27:29 (UTC)
  • 25-02-2018 09:27:29 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 43.9800, 12.4590 at 11 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
Verucchio RN 3 10078 10078
Poggio Torriana RN 6 5135 15213
Montescudo - Monte Colombo RN 9 6779 21992
Santarcangelo di Romagna RN 9 22089 44081
Borghi FC 10 2843 46924
Sassofeltrio PU 10 1388 48312
Coriano RN 12 10502 58814
Mercatino Conca PU 12 1086 59900
Rimini RN 13 147750 207650
Monte Grimano Terme PU 13 1136 208786
Gemmano RN 13 1158 209944
Sogliano al Rubicone FC 13 3195 213139
San Leo RN 13 2972 216111
Roncofreddo FC 13 3386 219497
Savignano sul Rubicone FC 14 17766 237263
San Clemente RN 14 5577 242840
San Mauro Pascoli FC 15 11690 254530
Longiano FC 15 7126 261656
Montefiore Conca RN 16 2269 263925
Monte Cerignone PU 16 669 264594
Gatteo FC 16 9068 273662
Riccione RN 16 34965 308627
Talamello RN 16 1104 309731
Novafeltria RN 16 7164 316895
Maiolo RN 17 848 317743
Morciano di Romagna RN 17 7045 324788
Montiano FC 17 1716 326504
Montecopiolo PU 17 1128 327632
Tavoleto PU 18 867 328499
Gambettola FC 18 10660 339159
Bellaria-Igea Marina RN 19 19519 358678
Misano Adriatico RN 19 13014 371692
Macerata Feltria PU 20 1990 373682
Auditore PU 20 1566 375248

Municipalities with at least 50000 inhabitants

An earthquake occurred to
13 Km SW of Rimini (147750 inhabitants)
25 Km SE of Cesena (96758 inhabitants)
37 Km W of Pesaro (94582 inhabitants)
43 Km SE of Forlì (117913 inhabitants)
47 Km W of Fano (60888 inhabitants)
53 Km SE of Ravenna (159116 inhabitants)
57 Km SE of Faenza (58541 inhabitants)
73 Km SE of Imola (69797 inhabitants)
73 Km NE of Arezzo (99543 inhabitants)
94 Km W of Ancona (100861 inhabitants)
97 Km N of Perugia (166134 inhabitants)
99 Km E 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
Bulletin
Rev1000 		ML 2.1 2018-02-25
08:27:29		 43.9795 12.4593 11 2019-04-24
14:49:20		 Bollettino Sismico Italiano INGV 54547331
Reviewed
Rev100 		ML 2.1 2018-02-25
08:27:29		 43.9918 12.4413 10 2018-02-25
08:42:49		 Sala Sismica INGV-Roma 54139631
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2018-02-25 08:27:29 ± 0.14
Latitude 43.9795 ± 0.0072
Longitude 12.4593 ± 0.0100
Depth (km) 11 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 54547331

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 802
Semi-minor axis of confidence ellipse (meter) 603
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 43
Circular confidence region, given by single value of horizontal uncertainty (meter) 800.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 95
Number of associated phases, regardless of their use for origin computation 38
Number of defining phases 38
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.45
Epicentral distance of station closest to the epicenter (degree) 0.04317
Epicentral distance of station farthest from the epicenter (degree) 0.99555
Number of stations at which the event was observed 21
Number of stations from which data was used for origin computation 21
Magnitudes information

ML:2.1

Field Value
Value 2.1
Uncertainty 0.2
Num. used stations 20
Type of magnitude ML
Reference to an origin 54547331
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2019-02-22 23:44:25

ML:2.1

Field Value
Value 2.1
Uncertainty 0.2
Num. used stations 20
Type of magnitude ML
Reference to an origin 54139631
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2018-02-25 08:42:49
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.CAFI.HHZ. 2018-02-25T08:27:55.23 0.3 undecidable manual S 209 82.251 50 0.82 54
IV.FOSV.EHZ. 2018-02-25T08:27:53.68 0.3 undecidable manual S 162 79.7646 50 -0.05 67
IV.RUFI.EHZ. 2018-02-25T08:27:53.56 0.1 undecidable manual S 259 77.5668 50 0.42 84
IV.SSFR.HHZ. 2018-02-25T08:27:50.95 0.6 undecidable manual S 157 65.5899 50 0.99 35
IV.LMD.HHZ. 2018-02-25T08:27:49.19 0.1 undecidable manual S 281 60.9945 50 0.47 87
IV.FRON.EHZ. 2018-02-25T08:27:48.01 0.3 undecidable manual S 157 55.5 50 0.75 60
IV.BRIS.HHZ. 2018-02-25T08:27:48.73 0.3 undecidable manual S 296 61.494 50 -0.14 67
IV.PF6.EHZ. 2018-02-25T08:27:48.97 0.1 undecidable manual P 147 110.5005 50 0.57 76
IV.BADI.EHZ. 2018-02-25T08:27:47.72 0.1 undecidable manual S 198 54.9006 50 0.62 82
IV.CRE.HHZ. 2018-02-25T08:27:47.36 0.3 undecidable manual S 226 56.9985 50 -0.31 67
IV.SSP9.EHZ. 2018-02-25T08:27:46.87 0.1 undecidable manual S 210 52.1034 50 0.51 86
IV.SFI.EHZ. 2018-02-25T08:27:45.63 0.1 undecidable manual S 261 49.617 50 -0.06 94
IV.PIEI.HHZ. 2018-02-25T08:27:45.87 0.1 undecidable manual S 173 49.617 50 0.18 93
IV.EL6.EHZ. 2018-02-25T08:27:45.01 0.1 undecidable manual P 144 88.6446 50 -0.02 89
IV.PARC.HHZ. 2018-02-25T08:27:43.68 0.6 undecidable manual S 206 40.7259 50 0.36 45
IV.CAFI.HHZ. 2018-02-25T08:27:43.60 0.1 undecidable manual P 209 82.251 50 -0.45 83
IV.FOSV.EHZ. 2018-02-25T08:27:43.06 0.1 undecidable manual P 162 79.7646 50 -0.6 79
IV.RUFI.EHZ. 2018-02-25T08:27:42.83 0.1 undecidable manual P 259 77.5668 50 -0.49 82
IV.IMOL.EHZ. 2018-02-25T08:27:42.87 0.6 undecidable manual P 307 70.9734 50 0.57 41
IV.BRIS.HHZ. 2018-02-25T08:27:41.03 0.1 undecidable manual P 296 61.494 50 0.18 92
IV.PESA.HHZ. 2018-02-25T08:27:41.20 0.6 undecidable manual S 98 30.747 50 0.55 46
IV.SSFR.HHZ. 2018-02-25T08:27:41.19 0.1 undecidable manual P 157 65.5899 50 -0.29 88
IV.LMD.HHZ. 2018-02-25T08:27:40.55 0.1 undecidable manual P 281 60.9945 50 -0.21 90
IV.CRE.HHZ. 2018-02-25T08:27:39.55 0.1 undecidable manual P 226 56.9985 50 -0.61 82
IV.CPGN.EHZ. 2018-02-25T08:27:39.60 0.3 undecidable manual S 209 22.6551 50 1.1 49
IV.FRON.EHZ. 2018-02-25T08:27:39.28 0.1 undecidable manual P 157 55.5 50 -0.64 81
IV.BADI.EHZ. 2018-02-25T08:27:39.32 0.1 undecidable manual P 198 54.9006 50 -0.51 86
IV.PIEI.HHZ. 2018-02-25T08:27:38.72 0.1 undecidable manual P 173 49.617 50 -0.29 91
IV.SSP9.EHZ. 2018-02-25T08:27:38.90 0.1 undecidable manual P 210 52.1034 50 -0.5 87
IV.BLLA.EHE. 2018-02-25T08:27:38.87 0.3 undecidable manual S 3 18.1707 120 1.67 37
IV.SFI.EHZ. 2018-02-25T08:27:38.17 0.1 undecidable manual P 261 49.617 50 -0.85 75
IV.PARC.HHZ. 2018-02-25T08:27:37.07 0.1 undecidable manual P 206 40.7259 50 -0.58 86
IV.PE3.EHE. 2018-02-25T08:27:36.31 0.1 undecidable manual P 175 31.5462 50 0.07 98
IV.PESA.HHZ. 2018-02-25T08:27:35.81 0.1 undecidable manual P 98 30.747 50 -0.29 92
IV.CPGN.EHZ. 2018-02-25T08:27:35.18 0.1 undecidable manual P 209 22.6551 50 0.31 92
IV.BLLA.EHE. 2018-02-25T08:27:34.27 0.1 undecidable manual P 3 18.1707 120 0.16 98
IV.RSM2.HHZ. 2018-02-25T08:27:33.85 0.1 undecidable manual S 194 4.7952 156 -0.1 100
IV.RSM2.HHZ. 2018-02-25T08:27:31.85 0.6 undecidable manual P 194 4.7952 156 -0.39 50
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.CPGN.EHE. ML:2.0 0.0006625 0.58 AML other m 2018-02-25T08:27:41.13
IV.CPGN.HNN. ML:2.1 0.0007855 1.6 AML other m 2018-02-25T08:27:41.14
IV.PESA.HHN. ML:2.5 0.0016349999999999997 0.24 AML other m 2018-02-25T08:27:41.88
IV.CPGN.EHN. ML:2.1 0.0007515000000000001 0.58 AML other m 2018-02-25T08:27:41.50
IV.CPGN.HNE. ML:2.0 0.0006725 0.78 AML other m 2018-02-25T08:27:42.52
IV.PESA.HHE. ML:2.3 0.0010285 1.22 AML other m 2018-02-25T08:27:43.16
IV.PARC.HHE. ML:1.9 0.0002485 1.58 AML other m 2018-02-25T08:27:44.94
IV.PARC.HHN. ML:1.9 0.0002415 1.46 AML other m 2018-02-25T08:27:45.18
IV.PIEI.HHE. ML:2.0 0.00027600000000000004 0.62 AML other m 2018-02-25T08:27:46.67
IV.PIEI.HHN. ML:2.0 0.000243 1.46 AML other m 2018-02-25T08:27:47.00
IV.BADI.EHE. ML:2.0 0.000256 0.16 AML other m 2018-02-25T08:27:48.20
IV.BADI.EHN. ML:2.1 0.00032 0.16 AML other m 2018-02-25T08:27:48.42
IV.FRON.EHN. ML:1.8 0.0001565 0.92 AML other m 2018-02-25T08:27:51.00
IV.LMD.HHN. ML:1.9 0.0001615 1.22 AML other m 2018-02-25T08:27:51.09
IV.LMD.HHE. ML:2.0 0.000192 1.82 AML other m 2018-02-25T08:27:52.91
IV.SSFR.HHE. ML:2.3 0.00036650000000000007 0.22 AML other m 2018-02-25T08:27:52.70
IV.SSFR.HNN. ML:2.4 0.00041349999999999997 0.98 AML other m 2018-02-25T08:27:53.05
IV.SSFR.HNE. ML:2.3 0.00039549999999999996 0.42 AML other m 2018-02-25T08:27:53.71
IV.FRON.EHE. ML:1.7 0.00012165 1.08 AML other m 2018-02-25T08:27:53.74
IV.SSFR.HHN. ML:2.3 0.000367 0.2 AML other m 2018-02-25T08:27:55.98
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