Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.0 on date 31-05-2018 and time 21:17:21 (Italy) in region 3 km NE Monte Cavallo (MC)

A magnitude ML 2.0 earthquake occured in region: 3 km NE Monte Cavallo (MC), on

  • 31-05-2018 19:17:21 (UTC)
  • 31-05-2018 21:17:21 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.0220, 13.0140 at 8 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
Monte Cavallo MC 3 145 145
Pieve Torina MC 4 1458 1603
Fiordimonte MC 6 202 1805
Muccia MC 7 915 2720
Pievebovigliana MC 7 866 3586
Serravalle di Chienti MC 8 1070 4656
Fiastra MC 12 559 5215
Visso MC 12 1107 6322
Acquacanina MC 13 121 6443
Ussita MC 13 444 6887
Camerino MC 13 6974 13861
Sefro MC 15 422 14283
Preci PG 16 724 15007
Sellano PG 16 1079 16086
Pioraco MC 18 1134 17220
Bolognola MC 18 142 17362
Castelsantangelo sul Nera MC 18 281 17643
Fiuminata MC 20 1402 19045

Municipalities with at least 50000 inhabitants

An earthquake occurred to
26 Km E of Foligno (57155 inhabitants)
52 Km E of Perugia (166134 inhabitants)
59 Km NE of Terni (111501 inhabitants)
69 Km NW of Teramo (54892 inhabitants)
78 Km SW of Ancona (100861 inhabitants)
81 Km NW of L'Aquila (69753 inhabitants)
91 Km S of Fano (60888 inhabitants)
99 Km S of Pesaro (94582 inhabitants)
100 Km NE of Viterbo (67173 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 2.0 2018-05-31
19:17:21		 43.0225 13.014 8 2019-04-24
14:50:44		 Bollettino Sismico Italiano INGV 57734021
Reviewed
Rev100 		ML 2.1 2018-05-31
19:17:21		 43.0188 13.0145 9 2018-05-31
19:24:26		 Sala Sismica INGV-Roma 57411071
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2018-05-31 19:17:21 ± 0.03
Latitude 43.0225 ± 0.0018
Longitude 13.0140 ± 0.0037
Depth (km) 8 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 57734021

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 267
Semi-minor axis of confidence ellipse (meter) 163
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 68
Circular confidence region, given by single value of horizontal uncertainty (meter) 270.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 43
Number of associated phases, regardless of their use for origin computation 69
Number of defining phases 55
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.21
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.61963
Number of stations at which the event was observed 41
Number of stations from which data was used for origin computation 32
Magnitudes information

ML:2.0

Field Value
Value 2.0
Uncertainty 0.2
Num. used stations 32
Type of magnitude ML
Reference to an origin 57734021
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2018-06-11 16:38:13

ML:2.1

Field Value
Value 2.1
Uncertainty 0.3
Num. used stations 68
Type of magnitude ML
Reference to an origin 57411071
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2018-05-31 19:24:26
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.CRE.HHZ. 2018-05-31T19:17:56.20 3.0 undecidable manual S 0
IV.VCEL.EHZ. 2018-05-31T19:17:52.66 3.0 undecidable manual S 0
IV.MGAB.HHZ. 2018-05-31T19:17:45.76 3.0 undecidable manual S 0
IV.OFFI.HHZ. 2018-05-31T19:17:42.73 3.0 undecidable manual S 0
IV.CAMP.HHZ. 2018-05-31T19:17:41.52 0.3 undecidable manual S 149 62.8926 50 0.21 66
IV.CESX.HHZ. 2018-05-31T19:17:40.33 0.3 undecidable manual S 217 57.5979 50 0.41 64
IV.CRE.HHZ. 2018-05-31T19:17:40.76 3.0 undecidable manual P 0
IV.RM33.EHZ. 2018-05-31T19:17:40.83 0.3 undecidable manual S 164 59.2962 50 0.47 63
IV.ARRO.EHZ. 2018-05-31T19:17:39.20 0.3 undecidable manual S 202 53.2023 50 0.47 63
IV.T0110.HHZ. 2018-05-31T19:17:39.56 3.0 undecidable manual P 0
IV.ATFO.HHZ. 2018-05-31T19:17:38.68 0.3 undecidable manual S 317 52.3032 50 0.17 68
IV.VCEL.EHZ. 2018-05-31T19:17:38.33 3.0 undecidable manual P 0
IV.SMA1.EHZ. 2018-05-31T19:17:38.36 0.3 undecidable manual S 149 50.7159 50 0.27 66
IV.MGAB.HHZ. 2018-05-31T19:17:37.63 3.0 undecidable manual P 0
IV.LNSS.HHZ. 2018-05-31T19:17:37.09 0.3 undecidable manual S 177 46.62 50 0.11 69
IV.MTRA.EHZ. 2018-05-31T19:17:36.12 0.6 undecidable manual S 133 42.8238 50 0.14 46
IV.MOMA.HHZ. 2018-05-31T19:17:36.37 3.0 undecidable manual S 0
IV.CING.HHZ. 2018-05-31T19:17:36.08 0.3 undecidable manual S 20 41.8248 50 0.37 66
IV.FOSV.EHZ. 2018-05-31T19:17:34.27 0.3 undecidable manual S 326 36.4413 50 -0.01 72
IV.ATCC.EHZ. 2018-05-31T19:17:34.15 0.3 undecidable manual S 301 35.2425 50 0.19 69
IV.OFFI.HHZ. 2018-05-31T19:17:33.22 3.0 undecidable manual P 0
IV.PIEI.HHZ. 2018-05-31T19:17:33.65 0.1 undecidable manual P 326 68.7756 50 -0.21 87
IV.TERO.HHZ. 2018-05-31T19:17:33.07 0.1 undecidable manual P 133 65.3901 50 -0.25 86
IV.EL6.EHZ. 2018-05-31T19:17:33.92 0.3 undecidable manual S 12 34.743 50 0.1 71
IV.RM33.EHZ. 2018-05-31T19:17:32.02 0.1 undecidable manual P 164 59.2962 50 -0.36 85
IV.CAMP.HHZ. 2018-05-31T19:17:32.62 0.3 undecidable manual P 149 62.8926 50 -0.32 64
IV.ATVO.HHZ. 2018-05-31T19:17:32.90 0.3 undecidable manual P 309 63.2922 50 -0.1 67
IV.MMO1.EHZ. 2018-05-31T19:17:32.03 0.3 undecidable manual S 118 28.8489 106 0.13 71
IV.ATFO.HHZ. 2018-05-31T19:17:31.14 0.3 undecidable manual P 317 52.3032 50 -0.17 68
IV.CESX.HHZ. 2018-05-31T19:17:31.96 0.3 undecidable manual P 217 57.5979 50 -0.17 67
IV.ARVD.HHZ. 2018-05-31T19:17:31.37 0.3 undecidable manual P 354 53.1024 50 -0.06 69
IV.ARRO.EHZ. 2018-05-31T19:17:31.50 0.3 undecidable manual P 202 53.2023 50 0.06 69
IV.MOMA.HHZ. 2018-05-31T19:17:31.25 3.0 undecidable manual P 0
IV.NRCA.HHZ. 2018-05-31T19:17:30.22 0.6 undecidable manual S 159 22.4553 110 0.41 45
IV.SMA1.EHZ. 2018-05-31T19:17:30.75 0.1 undecidable manual P 149 50.7159 50 -0.32 88
IV.SSFR.HHZ. 2018-05-31T19:17:30.75 0.3 undecidable manual P 338 49.617 50 -0.14 68
IV.LNSS.HHZ. 2018-05-31T19:17:30.13 0.3 undecidable manual P 177 46.62 50 -0.3 66
IV.MURB.HHZ. 2018-05-31T19:17:30.61 0.3 undecidable manual P 304 47.7189 50 0 71
IV.GAG1.HNZ. 2018-05-31T19:17:30.88 0.3 undecidable manual S 10 24.2535 109 0.48 66
IV.PF6.EHZ. 2018-05-31T19:17:29.02 0.3 undecidable manual S 49 19.4694 113 0.2 71
IV.CING.HHZ. 2018-05-31T19:17:29.44 0.3 undecidable manual P 20 41.8248 50 -0.26 68
IV.MTRA.EHZ. 2018-05-31T19:17:29.56 0.1 undecidable manual P 133 42.8238 50 -0.29 89
IV.EL6.EHZ. 2018-05-31T19:17:28.33 0.3 undecidable manual P 12 34.743 50 -0.28 68
IV.ATCC.EHZ. 2018-05-31T19:17:28.54 0.1 undecidable manual P 301 35.2425 50 -0.14 93
OB.GAVE.EHZ. 2018-05-31T19:17:28.97 3.0 negative manual P 0.22 0
IV.CSP1.EHZ. 2018-05-31T19:17:28.40 0.3 undecidable manual S 63 17.2716 116 0.25 71
IV.FOSV.EHZ. 2018-05-31T19:17:28.60 0.1 undecidable manual P 326 36.4413 50 -0.27 91
IV.MC2.EHZ. 2018-05-31T19:17:28.29 3.0 undecidable manual P 0
IV.ASSB.HHZ. 2018-05-31T19:17:27.38 3.0 positive manual P 0 0
IV.SEF1.HNZ. 2018-05-31T19:17:27.39 0.3 undecidable manual S 339 14.7741 119 0 75
IV.MMO1.EHZ. 2018-05-31T19:17:27.30 0.1 undecidable manual P 118 28.8489 106 -0.2 93
IV.GUMA.HHZ. 2018-05-31T19:17:27.37 0.1 undecidable manual P 80 26.4513 108 0.33 91
IV.GAG1.HNZ. 2018-05-31T19:17:26.75 0.3 undecidable manual P 10 24.2535 109 0.12 72
IV.MML1.HNZ. 2018-05-31T19:17:26.27 0.3 undecidable manual S 341 10.6782 128 0.09 74
IV.NRCA.HHZ. 2018-05-31T19:17:26.21 0.1 undecidable manual P 159 22.4553 110 -0.08 97
IV.T1220.HNZ. 2018-05-31T19:17:26.63 0.3 undecidable manual S 32 11.4774 126 0.22 72
IV.T1221.EHZ. 2018-05-31T19:17:26.52 0.1 undecidable manual P 217 22.4553 110 0.23 94
IV.FEMA.HNZ. 2018-05-31T19:17:25.17 0.3 undecidable manual S 157 7.2927 139 -0.17 73
IV.CSP1.EHZ. 2018-05-31T19:17:25.48 0.3 undecidable manual P 63 17.2716 116 0.14 72
IV.CESI.HHZ. 2018-05-31T19:17:25.97 0.3 undecidable manual S 258 9.0798 133 0.2 72
IV.PF6.EHZ. 2018-05-31T19:17:25.76 0.1 undecidable manual P 49 19.4694 113 0.04 98
IV.SEF1.HNZ. 2018-05-31T19:17:24.81 0.3 undecidable manual P 339 14.7741 119 -0.08 74
IV.CESI.HHZ. 2018-05-31T19:17:24.11 0.1 undecidable manual P 258 9.0798 133 0.15 98
IV.FDMO.HHZ. 2018-05-31T19:17:24.57 0.3 undecidable manual S 75 6.1938 144 -0.52 68
IV.MML1.HNZ. 2018-05-31T19:17:24.22 0.1 undecidable manual P 341 10.6782 128 0.02 100
IV.T1220.HNZ. 2018-05-31T19:17:24.43 0.1 undecidable manual P 32 11.4774 126 0.1 98
IV.FDMO.HHZ. 2018-05-31T19:17:23.47 0.1 undecidable manual P 75 6.1938 144 -0.1 99
IV.FEMA.HNZ. 2018-05-31T19:17:23.70 0.3 undecidable manual P 157 7.2927 139 -0.01 76
IV.T1219.HNZ. 2018-05-31T19:17:23.01 0.1 undecidable manual P 349 3.7962 156 -0.32 95
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.CESI.HHN. ML:2.4 0.003755 0.34 AML other m 2018-05-31T19:17:26.21
IV.CESI.HHE. ML:2.2 0.002475 0.34 AML other m 2018-05-31T19:17:28.78
IV.CSP1.EHE. ML:2.0 0.0008285 0.3 AML other m 2018-05-31T19:17:28.69
IV.CSP1.EHN. ML:1.8 0.0006255 0.28 AML other m 2018-05-31T19:17:29.56
IV.T1221.EHN. ML:2.2 0.0011799999999999998 0.3 AML other m 2018-05-31T19:17:30.44
IV.NRCA.HHN. ML:2.5 0.00217 0.16 AML other m 2018-05-31T19:17:30.76
IV.NRCA.HNN. ML:2.5 0.0020099999999999996 0.16 AML other m 2018-05-31T19:17:30.76
IV.T1221.EHE. ML:2.1 0.000878 0.3 AML other m 2018-05-31T19:17:31.24
IV.ASSB.HHN. ML:2.0 0.000539 0.32 AML other m 2018-05-31T19:17:32.27
IV.NRCA.HHE. ML:2.2 0.0010435000000000002 0.96 AML other m 2018-05-31T19:17:33.98
IV.ASSB.HHE. ML:1.9 0.000402 0.3 AML other m 2018-05-31T19:17:33.65
IV.NRCA.HNE. ML:2.2 0.0009945 1.28 AML other m 2018-05-31T19:17:34.98
IV.FOSV.EHE. ML:1.8 0.00024349999999999998 0.46 AML other m 2018-05-31T19:17:34.39
IV.ATCC.EHN. ML:1.9 0.000308 1.06 AML other m 2018-05-31T19:17:35.20
OB.GAVE.EHN. ML:2.1 0.00047799999999999996 1.06 AML other m 2018-05-31T19:17:35.26
IV.FOSV.EHN. ML:2.0 0.00042 1.24 AML other m 2018-05-31T19:17:36.04
OB.GAVE.EHE. ML:2.2 0.0006885 0.28 AML other m 2018-05-31T19:17:36.43
IV.ATCC.EHE. ML:2.0 0.0004355 0.24 AML other m 2018-05-31T19:17:36.94
IV.LNSS.HHE. ML:2.2 0.0005385 0.2 AML other m 2018-05-31T19:17:37.73
IV.MTRA.EHN. ML:2.0 0.000348 0.94 AML other m 2018-05-31T19:17:38.32
IV.LNSS.HHN. ML:2.0 0.0003095 0.56 AML other m 2018-05-31T19:17:38.20
IV.ARVD.HHE. ML:2.1 0.0003325 1.44 AML other m 2018-05-31T19:17:39.76
IV.ARRO.EHE. ML:1.9 0.0001865 0.74 AML other m 2018-05-31T19:17:39.41
IV.ARVD.HHN. ML:1.9 0.00020400000000000003 1.46 AML other m 2018-05-31T19:17:40.22
IV.CESX.HHN. ML:2.0 0.000244 1.66 AML other m 2018-05-31T19:17:40.90
IV.MTRA.EHE. ML:2.0 0.000336 0.7 AML other m 2018-05-31T19:17:41.45
IV.RM33.EHN. ML:1.7 0.00010485 0.94 AML other m 2018-05-31T19:17:41.80
IV.ARRO.EHN. ML:1.8 0.0001625 1.44 AML other m 2018-05-31T19:17:41.13
IV.CESX.HHE. ML:2.0 0.000223 1.72 AML other m 2018-05-31T19:17:42.94
IV.SMA1.EHE. ML:2.0 0.00023050000000000002 0.38 AML other m 2018-05-31T19:17:42.46
IV.SMA1.EHN. ML:1.8 0.000175 0.94 AML other m 2018-05-31T19:17:46.10
IV.RM33.EHE. ML:1.8 0.000123 0.46 AML other m 2018-05-31T19:17:46.59
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