Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.4 on date 27-01-2018 and time 07:02:24 (UTC) in region 3 km S Montecalvo in Foglia (PU)

A magnitude ML 1.4 earthquake occured in region: 3 km S Montecalvo in Foglia (PU), on

  • 27-01-2018 07:02:24 (UTC)
  • 27-01-2018 08:02:24 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 43.7820, 12.6430 at 42 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
Montecalvo in Foglia PU 3 2718 2718
Urbino PU 6 15019 17737
Auditore PU 7 1566 19303
Petriano PU 7 2829 22132
Tavoleto PU 8 867 22999
Mondaino RN 9 1394 24393
Montegridolfo RN 9 1012 25405
Saludecio RN 10 3120 28525
Fermignano PU 12 8596 37121
Sassocorvaro PU 12 3504 40625
Isola del Piano PU 12 594 41219
Montefiore Conca RN 12 2269 43488
Vallefoglia PU 14 15018 58506
Monteciccardo PU 14 1690 60196
Montelabbate PU 14 6938 67134
Gemmano RN 14 1158 68292
Morciano di Romagna RN 15 7045 75337
Peglio PU 15 696 76033
Mercatino Conca PU 16 1086 77119
Urbania PU 16 7099 84218
Tavullia PU 16 8003 92221
Macerata Feltria PU 16 1990 94211
Montefelcino PU 16 2671 96882
Sassofeltrio PU 16 1388 98270
Monte Grimano Terme PU 17 1136 99406
Fossombrone PU 17 9575 108981
San Clemente RN 17 5577 114558
Lunano PU 17 1527 116085
Mombaroccio PU 17 2152 118237
Montescudo - Monte Colombo RN 17 6779 125016
San Giovanni in Marignano RN 18 9417 134433
Acqualagna PU 19 4393 138826
Serrungarina PU 19 2634 141460
Piandimeleto PU 19 2167 143627
Cartoceto PU 20 7887 151514
Monte Cerignone PU 20 669 152183

Municipalities with at least 50000 inhabitants

An earthquake occurred to
26 Km SW of Pesaro (94582 inhabitants)
31 Km W of Fano (60888 inhabitants)
32 Km S of Rimini (147750 inhabitants)
51 Km SE of Cesena (96758 inhabitants)
69 Km SE of Forlì (117913 inhabitants)
71 Km NE of Arezzo (99543 inhabitants)
73 Km W of Ancona (100861 inhabitants)
78 Km N of Perugia (166134 inhabitants)
79 Km SE of Ravenna (159116 inhabitants)
83 Km SE of Faenza (58541 inhabitants)
92 Km N of Foligno (57155 inhabitants)
98 Km SE of Imola (69797 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 1.4 2018-01-27
07:02:24		 43.7825 12.6428 42 2019-04-24
14:49:49		 Bollettino Sismico Italiano INGV 66024501
Reviewed
Rev100 		ML 1.5 2018-01-27
07:02:24		 43.78 12.686 43 2018-01-27
07:12:02		 Sala Sismica INGV-Roma 53476691
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2018-01-27 07:02:24 ± 0.35
Latitude 43.7825 ± 0.0180
Longitude 12.6428 ± 0.0212
Depth (km) 42 ± 3 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 66024501

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 2039
Semi-minor axis of confidence ellipse (meter) 921
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 173
Circular confidence region, given by single value of horizontal uncertainty (meter) 2040.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 205
Number of associated phases, regardless of their use for origin computation 26
Number of defining phases 26
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.46
Epicentral distance of station closest to the epicenter (degree) 0.13220
Epicentral distance of station farthest from the epicenter (degree) 0.66730
Number of stations at which the event was observed 14
Number of stations from which data was used for origin computation 14
Magnitudes information

ML:1.4

Field Value
Value 1.4
Uncertainty 0.2
Num. used stations 18
Type of magnitude ML
Reference to an origin 66024501
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2019-02-27 15:33:12

ML:1.5

Field Value
Value 1.5
Uncertainty 0.2
Num. used stations 18
Type of magnitude ML
Reference to an origin 53476691
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2018-01-27 07:12:02
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.CAFI.HHZ. 2018-01-27T07:02:48.89 0.6 undecidable manual S 227 74.0703 97 0.69 38
IV.ATVO.HHZ. 2018-01-27T07:02:43.26 0.6 undecidable manual S 203 48.3183 111 0.47 44
IV.COR1.HNN. 2018-01-27T07:02:42.17 0.6 undecidable manual S 120 33.1446 128 2.22 17
IV.ATPI.EHZ. 2018-01-27T07:02:41.63 0.6 undecidable manual S 208 41.5251 118 0.17 48
IV.SSFR.HHZ. 2018-01-27T07:02:41.41 0.6 undecidable manual S 164 40.0266 120 0.24 48
IV.PARC.HHZ. 2018-01-27T07:02:40.31 0.6 undecidable manual S 246 35.6421 125 -0.07 50
IV.CPGN.EHZ. 2018-01-27T07:02:40.32 0.3 undecidable manual S 275 25.8519 138 1.53 38
IV.FRON.EHZ. 2018-01-27T07:02:39.58 0.6 undecidable manual S 167 30.1476 132 0.14 49
IV.PIEI.HHZ. 2018-01-27T07:02:38.92 0.6 undecidable manual S 198 28.749 134 -0.3 47
IV.CAFI.HHZ. 2018-01-27T07:02:38.31 0.1 undecidable manual P 227 74.0703 97 -0.06 92
IV.NARO.HHZ. 2018-01-27T07:02:37.59 0.6 undecidable manual S 195 19.6692 147 -0.38 47
IV.FSSB.HHZ. 2018-01-27T07:02:37.65 0.6 undecidable manual S 133 14.6742 155 0.21 50
IV.MPAG.HNE. 2018-01-27T07:02:37.89 0.3 undecidable manual S 151 19.3695 147 -0.05 76
IV.MURB.HHZ. 2018-01-27T07:02:37.93 0.3 undecidable manual P 189 58.3971 103 1.48 41
IV.CRE.HHZ. 2018-01-27T07:02:36.99 0.6 positive manual P 252 58.2972 103 0.55 41
IV.ATVO.HHZ. 2018-01-27T07:02:35.04 0.1 undecidable manual P 203 48.3183 111 -0.21 93
IV.ATPI.EHZ. 2018-01-27T07:02:34.10 0.3 undecidable manual P 208 41.5251 118 -0.38 68
IV.SSFR.HHZ. 2018-01-27T07:02:34.01 0.1 undecidable manual P 164 40.0266 120 -0.3 92
IV.COR1.HNN. 2018-01-27T07:02:34.26 0.1 undecidable manual P 120 33.1446 128 0.65 86
IV.CPGN.EHZ. 2018-01-27T07:02:33.07 0.1 undecidable manual P 275 25.8519 138 0.13 97
IV.PARC.HHZ. 2018-01-27T07:02:33.30 0.1 undecidable manual P 246 35.6421 125 -0.55 90
IV.FSSB.HHZ. 2018-01-27T07:02:32.00 0.1 undecidable manual P 133 14.6742 155 -0.16 100
IV.FRON.EHZ. 2018-01-27T07:02:32.97 0.1 undecidable manual P 167 30.1476 132 -0.34 93
IV.MPAG.HNE. 2018-01-27T07:02:32.25 0.1 undecidable manual P 151 19.3695 147 -0.2 98
IV.PIEI.HHZ. 2018-01-27T07:02:32.54 0.1 undecidable manual P 198 28.749 134 -0.65 86
IV.NARO.HHZ. 2018-01-27T07:02:31.88 0.1 undecidable manual P 195 19.6692 147 -0.58 90
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.NARO.HHE. ML:1.3 0.00006045 0.86 AML other m 2018-01-27T07:02:37.73
IV.NARO.HHN. ML:1.3 0.0000645 0.42 AML other m 2018-01-27T07:02:37.73
IV.FSSB.HHN. ML:2.0 0.0003155 0.16 AML other m 2018-01-27T07:02:38.47
IV.FSSB.HHE. ML:2.0 0.0002895 0.18 AML other m 2018-01-27T07:02:38.61
IV.PIEI.HHE. ML:1.5 0.0000862 0.46 AML other m 2018-01-27T07:02:39.34
IV.FRON.EHN. ML:1.3 0.000054850000000000005 0.5 AML other m 2018-01-27T07:02:39.71
IV.PIEI.HHN. ML:1.2 0.0000467 0.64 AML other m 2018-01-27T07:02:39.67
IV.FRON.EHE. ML:1.2 0.0000452 0.6 AML other m 2018-01-27T07:02:40.31
IV.PARC.HHN. ML:1.1 0.000029400000000000003 0.26 AML other m 2018-01-27T07:02:40.58
IV.PARC.HHE. ML:1.2 0.0000376 0.52 AML other m 2018-01-27T07:02:41.67
IV.SSFR.HHN. ML:1.7 0.00010664999999999999 0.16 AML other m 2018-01-27T07:02:42.30
IV.ATVO.HHN. ML:1.3 0.00004045 0.78 AML other m 2018-01-27T07:02:43.54
IV.SSFR.HHE. ML:1.6 0.00009475 0.16 AML other m 2018-01-27T07:02:43.93
IV.CAFI.HHE. ML:1.4 0.000029900000000000002 0.42 AML other m 2018-01-27T07:02:44.61
IV.CAFI.HHN. ML:1.3 0.00002325 0.44 AML other m 2018-01-27T07:02:44.72
IV.ATVO.HHE. ML:1.3 0.0000374 0.72 AML other m 2018-01-27T07:02:45.56
IV.MURB.HHE. ML:1.7 0.00007925 0.56 AML other m 2018-01-27T07:02:47.09
IV.MURB.HHN. ML:1.7 0.00008824999999999999 1.1 AML other m 2018-01-27T07:02:48.62
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