Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.7 on date 28-04-2018 and time 11:41:10 (Italy) in region 5 km S Auditore (PU)

A magnitude ML 1.7 earthquake occured in region: 5 km S Auditore (PU), on

  • 28-04-2018 09:41:10 (UTC)
  • 28-04-2018 11:41:10 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.7780, 12.5860 at 39 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
Auditore PU 5 1566 1566
Montecalvo in Foglia PU 5 2718 4284
Sassocorvaro PU 7 3504 7788
Urbino PU 7 15019 22807
Tavoleto PU 8 867 23674
Mondaino RN 11 1394 25068
Peglio PU 12 696 25764
Macerata Feltria PU 12 1990 27754
Petriano PU 12 2829 30583
Fermignano PU 12 8596 39179
Montegridolfo RN 12 1012 40191
Saludecio RN 13 3120 43311
Lunano PU 13 1527 44838
Mercatino Conca PU 13 1086 45924
Montefiore Conca RN 13 2269 48193
Urbania PU 13 7099 55292
Monte Grimano Terme PU 13 1136 56428
Gemmano RN 14 1158 57586
Sassofeltrio PU 14 1388 58974
Piandimeleto PU 15 2167 61141
Monte Cerignone PU 16 669 61810
Morciano di Romagna RN 16 7045 68855
Montescudo - Monte Colombo RN 16 6779 75634
Isola del Piano PU 17 594 76228
Frontino PU 17 293 76521
Pietrarubbia PU 17 660 77181
San Clemente RN 18 5577 82758
Belforte all'Isauro PU 18 769 83527
Vallefoglia PU 18 15018 98545
Montelabbate PU 18 6938 105483
Monteciccardo PU 19 1690 107173
Sant'Angelo in Vado PU 19 4133 111306
Tavullia PU 19 8003 119309
Acqualagna PU 19 4393 123702
Montecopiolo PU 19 1128 124830

Municipalities with at least 50000 inhabitants

An earthquake occurred to
30 Km W of Pesaro (94582 inhabitants)
32 Km S of Rimini (147750 inhabitants)
36 Km W of Fano (60888 inhabitants)
49 Km SE of Cesena (96758 inhabitants)
66 Km SE of Forlì (117913 inhabitants)
66 Km NE of Arezzo (99543 inhabitants)
76 Km N of Perugia (166134 inhabitants)
77 Km W of Ancona (100861 inhabitants)
78 Km SE of Ravenna (159116 inhabitants)
80 Km SE of Faenza (58541 inhabitants)
92 Km N of Foligno (57155 inhabitants)
95 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 1.7 2018-04-28
09:41:10		 43.7782 12.5858 39 2019-04-24
14:49:47		 Bollettino Sismico Italiano INGV 65733371
Reviewed
Rev100 		ML 1.7 2018-04-28
09:41:10		 43.7438 12.5493 46 2018-04-28
09:55:59		 Sala Sismica INGV-Roma 56199121
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2018-04-28 09:41:10 ± 0.22
Latitude 43.7782 ± 0.0162
Longitude 12.5858 ± 0.0162
Depth (km) 39 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 65733371

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1979
Semi-minor axis of confidence ellipse (meter) 324
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 207
Circular confidence region, given by single value of horizontal uncertainty (meter) 1980.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 119
Number of associated phases, regardless of their use for origin computation 35
Number of defining phases 35
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) 0.10432
Epicentral distance of station farthest from the epicenter (degree) 1.40114
Number of stations at which the event was observed 23
Number of stations from which data was used for origin computation 23
Magnitudes information

ML:1.7

Field Value
Value 1.7
Uncertainty 0.3
Num. used stations 36
Type of magnitude ML
Reference to an origin 56199121
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2018-04-28 09:55:59

ML:1.7

Field Value
Value 1.7
Uncertainty 0.4
Num. used stations 34
Type of magnitude ML
Reference to an origin 65733371
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2019-02-20 13:25:56
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.T1219.EHZ. 2018-04-28T09:41:38.14 0.6 undecidable manual S 157 86.9463 92 1.43 26
CR.BRJN.HHZ. 2018-04-28T09:41:33.29 0.3 undecidable manual P 36 155.5221 91 -0.98 41
IV.SSFR.HHZ. 2018-04-28T09:41:27.12 0.3 undecidable manual S 157 41.0256 112 0.19 71
IV.ARVD.HHZ. 2018-04-28T09:41:27.51 0.3 undecidable manual S 137 42.2244 111 0.35 69
IV.CSP1.EHZ. 2018-04-28T09:41:27.40 0.3 undecidable manual P 147 91.0422 92 1.16 46
IV.PESA.HHZ. 2018-04-28T09:41:26.13 0.6 undecidable manual S 48 27.2505 132 1.71 26
IV.T1220.EHZ. 2018-04-28T09:41:25.53 0.6 undecidable manual P 151 84.4488 92 0.11 44
IV.PARC.HHZ. 2018-04-28T09:41:25.31 0.6 undecidable manual S 243 31.3464 126 0.2 48
IV.FRON.EHZ. 2018-04-28T09:41:25.14 0.6 undecidable manual S 159 30.9468 127 0.09 49
IV.T1219.EHZ. 2018-04-28T09:41:25.76 0.3 undecidable manual P 157 86.9463 92 0.03 67
IV.CPGN.EHZ. 2018-04-28T09:41:25.36 0.6 undecidable manual S 277 21.3675 141 1.8 23
IV.PIEI.HHZ. 2018-04-28T09:41:24.17 0.3 undecidable manual S 189 27.2505 132 -0.25 72
IV.APEC.HNZ. 2018-04-28T09:41:24.61 0.6 undecidable manual S 209 27.75 131 0.1 49
IV.MPAG.HNZ. 2018-04-28T09:41:23.75 0.6 undecidable manual S 140 21.5673 141 0.16 49
IV.ATTE.HHZ. 2018-04-28T09:41:23.16 0.1 undecidable manual P 196 66.9774 93 -0.09 92
IV.ASQU.HHZ. 2018-04-28T09:41:23.20 0.3 undecidable manual P 272 63.7917 94 0.34 66
IV.PE3.EHZ. 2018-04-28T09:41:23.07 0.3 undecidable manual S 218 11.5773 158 0.57 68
IV.NARO.HHZ. 2018-04-28T09:41:23.11 0.3 undecidable manual S 181 18.5703 146 -0.09 76
IV.MURB.HHZ. 2018-04-28T09:41:23.08 0.3 undecidable manual P 185 57.3981 96 1.02 52
IV.ATMI.HHZ. 2018-04-28T09:41:22.49 0.3 undecidable manual P 208 55.5 97 0.67 60
IV.CRE.HHZ. 2018-04-28T09:41:22.03 0.1 undecidable manual P 251 53.8017 98 0.41 88
IV.ATVO.HHZ. 2018-04-28T09:41:20.47 0.3 undecidable manual P 198 46.2204 106 -0.22 70
IV.ATPI.EHZ. 2018-04-28T09:41:19.31 0.1 undecidable manual P 202 39.2274 115 -0.56 87
IV.SSFR.HHZ. 2018-04-28T09:41:19.63 0.3 undecidable manual P 157 41.0256 112 -0.46 67
IV.ARVD.HHZ. 2018-04-28T09:41:19.90 0.3 undecidable manual P 137 42.2244 111 -0.32 69
IV.BADI.EHZ. 2018-04-28T09:41:19.56 0.3 undecidable manual P 223 40.4262 113 -0.46 67
IV.APEC.HNZ. 2018-04-28T09:41:18.16 0.1 undecidable manual P 209 27.75 131 -0.52 90
IV.PESA.HHZ. 2018-04-28T09:41:18.89 0.3 undecidable manual P 48 27.2505 132 0.26 73
IV.CPGN.EHZ. 2018-04-28T09:41:18.48 0.3 undecidable manual P 277 21.3675 141 0.34 71
IV.PARC.HHZ. 2018-04-28T09:41:18.56 0.1 undecidable manual P 243 31.3464 126 -0.47 91
IV.PIEI.HHZ. 2018-04-28T09:41:18.01 0.1 negative manual P 189 27.2505 132 -0.62 87
IV.FRON.EHZ. 2018-04-28T09:41:18.57 0.1 undecidable manual P 159 30.9468 127 -0.43 92
IV.PE3.EHZ. 2018-04-28T09:41:17.35 0.1 negative manual P 218 11.5773 158 -0.17 100
IV.NARO.HHZ. 2018-04-28T09:41:17.40 0.1 undecidable manual P 181 18.5703 146 -0.53 91
IV.MPAG.HNZ. 2018-04-28T09:41:17.91 0.3 undecidable manual P 140 21.5673 141 -0.24 72
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.CPGN.HNN. ML:6.3 5.91 0.92 AML other m 2018-04-28T09:41:16.41
IV.CPGN.HNE. ML:6.4 6.96 0.98 AML other m 2018-04-28T09:41:16.41
IV.NARO.HHE. ML:1.4 0.00009095 0.3 AML other m 2018-04-28T09:41:23.46
IV.PE3.EHE. ML:2.3 0.0006839999999999999 0.4 AML other m 2018-04-28T09:41:23.47
IV.PE3.EHN. ML:2.1 0.00048499999999999997 0.28 AML other m 2018-04-28T09:41:23.48
IV.NARO.HHN. ML:1.5 0.000108 0.16 AML other m 2018-04-28T09:41:23.51
IV.PIEI.HHN. ML:1.6 0.00010564999999999999 0.38 AML other m 2018-04-28T09:41:24.71
IV.PIEI.HHE. ML:1.8 0.00016700000000000002 0.98 AML other m 2018-04-28T09:41:25.81
IV.PARC.HHE. ML:1.4 0.0000578 0.36 AML other m 2018-04-28T09:41:25.43
IV.PARC.HHN. ML:1.3 0.00005365 0.14 AML other m 2018-04-28T09:41:25.49
IV.FRON.EHE. ML:1.5 0.00008425 0.4 AML other m 2018-04-28T09:41:25.31
IV.FRON.EHN. ML:1.5 0.00008945 1.06 AML other m 2018-04-28T09:41:26.77
IV.PESA.HHE. ML:2.2 0.00046499999999999997 0.22 AML other m 2018-04-28T09:41:27.34
IV.ATPI.EHN. ML:1.4 0.00005275 1.3 AML other m 2018-04-28T09:41:27.91
IV.ATPI.EHE. ML:1.3 0.0000518 1.66 AML other m 2018-04-28T09:41:27.15
IV.SSFR.HHN. ML:1.9 0.0001885 1.26 AML other m 2018-04-28T09:41:28.82
IV.SSFR.HHE. ML:1.9 0.00019600000000000002 0.68 AML other m 2018-04-28T09:41:28.58
IV.PESA.HHN. ML:1.9 0.000224 0.54 AML other m 2018-04-28T09:41:28.64
IV.BADI.EHN. ML:1.8 0.000135 0.5 AML other m 2018-04-28T09:41:28.68
IV.BADI.EHE. ML:1.6 0.00009815 0.72 AML other m 2018-04-28T09:41:28.40
IV.ATVO.HHE. ML:1.6 0.00008790000000000001 0.46 AML other m 2018-04-28T09:41:29.37
IV.ATVO.HHN. ML:1.7 0.0001064 0.38 AML other m 2018-04-28T09:41:29.33
IV.ARVD.HHN. ML:1.2 0.0000354 1.46 AML other m 2018-04-28T09:41:29.11
IV.ARVD.HHE. ML:1.4 0.00005015 0.42 AML other m 2018-04-28T09:41:30.22
IV.ATMI.HHE. ML:1.6 0.00007395000000000001 0.72 AML other m 2018-04-28T09:41:30.54
IV.CRE.HHN. ML:1.7 0.00008374999999999999 0.74 AML other m 2018-04-28T09:41:31.61
IV.MURB.HHN. ML:1.9 0.000132 0.32 AML other m 2018-04-28T09:41:31.78
IV.MURB.HHE. ML:2.0 0.000184 0.96 AML other m 2018-04-28T09:41:32.16
IV.CRE.HHE. ML:1.6 0.0000708 1.62 AML other m 2018-04-28T09:41:33.07
IV.ASQU.HHE. ML:1.6 0.00006284999999999998 0.34 AML other m 2018-04-28T09:41:33.36
IV.ASQU.HHN. ML:1.5 0.000048 0.38 AML other m 2018-04-28T09:41:33.37
IV.ATTE.HHE. ML:1.6 0.00005805 0.86 AML other m 2018-04-28T09:41:34.74
IV.ATTE.HHN. ML:1.5 0.0000455 0.56 AML other m 2018-04-28T09:41:34.72
IV.ATMI.HHN. ML:1.6 0.0000693 0.86 AML other m 2018-04-28T09:41:37.44
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