Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.0 on date 28-04-2017 and time 01:57:57 (Italy) in region 5 km SE Monte Cavallo (MC)

A magnitude ML 2.0 earthquake occured in region: 5 km SE Monte Cavallo (MC), on

  • 27-04-2017 23:57:57 (UTC)
  • 28-04-2017 01:57:57 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.9690, 13.0530 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.

Hai sentito il terremoto? Clicca qui

Did you feel it? Fill in the questionnaire.

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 5 145 145
Visso MC 5 1107 1252
Ussita MC 8 444 1696
Fiordimonte MC 8 202 1898
Pieve Torina MC 9 1458 3356
Preci PG 10 724 4080
Pievebovigliana MC 11 866 4946
Fiastra MC 11 559 5505
Castelsantangelo sul Nera MC 12 281 5786
Acquacanina MC 12 121 5907
Muccia MC 13 915 6822
Sellano PG 14 1079 7901
Serravalle di Chienti MC 14 1070 8971
Bolognola MC 15 142 9113
Camerino MC 19 6974 16087
Norcia PG 20 4957 21044
Cerreto di Spoleto PG 20 1075 22119

Municipalities with at least 50000 inhabitants

An earthquake occurred to
28 Km E of Foligno (57155 inhabitants)
56 Km NE of Terni (111501 inhabitants)
56 Km E of Perugia (166134 inhabitants)
63 Km NW of Teramo (54892 inhabitants)
74 Km NW of L'Aquila (69753 inhabitants)
81 Km SW of Ancona (100861 inhabitants)
97 Km S of Fano (60888 inhabitants)
99 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 2017-04-27
23:57:57		 42.9693 13.0527 8 2019-07-19
13:21:02		 Bollettino Sismico Italiano INGV 63393171
Reviewed
Rev100 		ML 2.0 2017-04-27
23:57:57		 42.9672 13.0488 8 2017-04-28
00:32:20		 Sala Sismica INGV-Roma 44510921
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2017-04-27 23:57:57 ± 0.03
Latitude 42.9693 ± 0.0018
Longitude 13.0527 ± 0.0025
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 63393171

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 207
Semi-minor axis of confidence ellipse (meter) 97
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 80
Circular confidence region, given by single value of horizontal uncertainty (meter) 210.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 45
Number of associated phases, regardless of their use for origin computation 68
Number of defining phases 65
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.18
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.67989
Number of stations at which the event was observed 38
Number of stations from which data was used for origin computation 36
Magnitudes information

ML:2.0

Field Value
Value 2.0
Uncertainty 0.2
Num. used stations 37
Type of magnitude ML
Reference to an origin 63393171
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2018-11-26 11:34:40

ML:2.0

Field Value
Value 2.0
Uncertainty 0.3
Num. used stations 21
Type of magnitude ML
Reference to an origin 44510921
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2017-04-28 00:32:20
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.TERO.HHZ. 2017-04-27T23:58:16.78 0.3 undecidable manual S 130 59.0964 50 0.33 65
IV.CESX.HHZ. 2017-04-27T23:58:15.72 0.6 undecidable manual S 224 55.1004 50 0.32 44
IV.CING.HHZ. 2017-04-27T23:58:13.42 0.3 undecidable manual S 14 46.5201 50 0.32 67
IV.ARRO.EHZ. 2017-04-27T23:58:13.72 0.6 undecidable manual S 208 49.2174 50 -0.09 46
IV.FOSV.EHZ. 2017-04-27T23:58:12.41 0.3 undecidable manual S 327 43.1235 50 0.21 69
IV.MOMA.HNZ. 2017-04-27T23:58:12.67 0.6 undecidable manual S 245 43.3233 50 0.43 44
IV.T1299.EHZ. 2017-04-27T23:58:11.87 0.6 undecidable manual S 153 41.625 50 0.09 47
IV.T1201.HNZ. 2017-04-27T23:58:11.07 0.6 undecidable manual S 155 38.1285 50 0.2 46
IV.PIEI.HHZ. 2017-04-27T23:58:11.27 0.3 undecidable manual P 327 75.4689 50 0.28 64
IV.LNSS.HHN. 2017-04-27T23:58:11.40 0.6 undecidable manual S 181 40.626 50 -0.13 47
IV.EL6.EHZ. 2017-04-27T23:58:11.42 0.3 undecidable manual S 6 40.1265 50 0.03 72
IV.ATCC.EHZ. 2017-04-27T23:58:11.66 0.6 undecidable manual S 306 41.1255 50 0 48
IV.T1241.EHZ. 2017-04-27T23:58:09.38 0.6 undecidable manual S 112 33.2445 104 -0.04 48
IV.ASSB.HHZ. 2017-04-27T23:58:09.26 3.0 undecidable manual S 0.05 0
IV.SNTG.HHZ. 2017-04-27T23:58:09.62 0.3 undecidable manual S 344 32.9448 104 0.27 69
IV.T1218.EHZ. 2017-04-27T23:58:09.00 1.0 undecidable manual S 171 33.5442 104 -0.55 21
IV.T1217.EHZ. 2017-04-27T23:58:08.36 0.3 undecidable manual S 199 30.2475 105 -0.06 73
IV.T1244.HNZ. 2017-04-27T23:58:08.78 0.6 undecidable manual S 140 30.8469 105 0.15 47
IV.T1222.EHZ. 2017-04-27T23:58:08.25 1.0 undecidable manual P 181 62.9925 50 -0.82 18
IV.TERO.HHZ. 2017-04-27T23:58:08.14 0.3 undecidable manual P 130 59.0964 50 -0.33 65
IV.ARVD.HHZ. 2017-04-27T23:58:08.33 0.3 undecidable manual P 351 59.2962 50 -0.18 67
IV.GUMA.HHZ. 2017-04-27T23:58:07.06 0.1 undecidable manual S 66 25.1526 108 0.33 92
IV.T1213.HNZ. 2017-04-27T23:58:07.50 0.3 undecidable manual S 168 27.75 106 -0.09 72
IV.CESX.HHZ. 2017-04-27T23:58:07.69 0.3 undecidable manual P 224 55.1004 50 -0.17 68
IV.T1214.HNZ. 2017-04-27T23:58:07.00 0.3 undecidable manual S 151 26.4513 107 -0.18 71
IV.ARRO.EHZ. 2017-04-27T23:58:06.83 0.3 undecidable manual P 208 49.2174 50 -0.11 69
IV.T1212.EHZ. 2017-04-27T23:58:06.60 0.3 undecidable manual S 182 24.1536 109 0.2 71
IV.CING.HHZ. 2017-04-27T23:58:06.33 0.1 undecidable manual P 14 46.5201 50 -0.2 91
IV.ATCC.EHZ. 2017-04-27T23:58:05.58 0.3 undecidable manual P 306 41.1255 50 -0.12 70
IV.MOMA.HNZ. 2017-04-27T23:58:05.85 0.6 undecidable manual P 245 43.3233 50 -0.19 46
IV.SEF1.HNZ. 2017-04-27T23:58:05.49 0.6 undecidable manual S 337 21.4674 111 -0.03 49
IV.T1299.EHZ. 2017-04-27T23:58:05.63 0.3 negative manual P 153 41.625 50 -0.14 70
IV.T1201.HNZ. 2017-04-27T23:58:05.12 0.3 undecidable manual P 155 38.1285 50 -0.13 70
IV.T1221.HNZ. 2017-04-27T23:58:05.60 0.3 undecidable manual S 234 20.6682 111 0.35 69
IV.LNSS.HHN. 2017-04-27T23:58:05.68 0.3 undecidable manual P 181 40.626 50 0.05 71
IV.FOSV.EHZ. 2017-04-27T23:58:05.84 0.3 undecidable manual P 327 43.1235 50 -0.17 69
IV.SMA1.EHZ. 2017-04-27T23:58:05.81 0.6 undecidable manual P 148 44.0226 50 -0.34 44
IV.EL6.EHZ. 2017-04-27T23:58:05.28 0.3 undecidable manual P 6 40.1265 50 -0.27 68
IV.T1245.HHZ. 2017-04-27T23:58:04.11 0.6 undecidable manual S 139 16.6722 116 0.12 49
IV.T1218.EHZ. 2017-04-27T23:58:04.14 0.3 undecidable manual P 171 33.5442 104 -0.34 68
IV.T1241.EHZ. 2017-04-27T23:58:04.24 0.3 undecidable manual P 112 33.2445 104 -0.17 71
IV.ASSB.HHZ. 2017-04-27T23:58:04.12 3.0 undecidable manual P -0.16 0
IV.SNTG.HHZ. 2017-04-27T23:58:04.12 0.3 undecidable manual P 344 32.9448 104 -0.25 69
IV.T1214.HNZ. 2017-04-27T23:58:03.00 0.3 undecidable manual P 151 26.4513 107 -0.11 72
IV.MC2.EHZ. 2017-04-27T23:58:03.11 0.3 undecidable manual S 120 12.7761 122 0.29 71
IV.T1217.EHZ. 2017-04-27T23:58:03.80 0.3 undecidable manual P 199 30.2475 105 -0.03 73
IV.GAG1.HNZ. 2017-04-27T23:58:03.85 0.6 undecidable manual P 2 29.8479 105 0.09 48
IV.GUMA.HHZ. 2017-04-27T23:58:03.25 0.3 undecidable manual P 66 25.1526 108 0.39 68
IV.T1213.HNZ. 2017-04-27T23:58:03.66 0.6 undecidable manual P 168 27.75 106 0.3 46
IV.T1244.HNZ. 2017-04-27T23:58:03.76 0.3 undecidable manual P 140 30.8469 105 -0.19 70
IV.T1256.HHZ. 2017-04-27T23:58:03.52 3.0 undecidable manual S -0.06 0
IV.NRCA.HHZ. 2017-04-27T23:58:03.84 0.3 undecidable manual S 162 15.873 117 0.1 74
IV.T1212.EHZ. 2017-04-27T23:58:02.70 0.3 undecidable manual P 182 24.1536 109 0.04 74
XO.AM05.EHZ. 2017-04-27T23:58:02.75 0.3 undecidable manual P 88 24.3534 108 0.04 74
IV.CESI.HHZ. 2017-04-27T23:58:02.94 0.6 undecidable manual S 288 12.6762 123 0.16 49
IV.SEF1.HNZ. 2017-04-27T23:58:02.14 0.3 undecidable manual P 337 21.4674 111 -0.02 74
IV.T1221.HNZ. 2017-04-27T23:58:02.21 0.3 undecidable manual P 234 20.6682 111 0.21 71
IV.T1219.HNZ. 2017-04-27T23:58:01.92 0.6 undecidable manual S 338 10.3785 128 -0.21 49
IV.NRCA.HHZ. 2017-04-27T23:58:01.22 0.1 negative manual P 162 15.873 117 0.09 99
IV.T1245.HHZ. 2017-04-27T23:58:01.38 0.6 undecidable manual P 139 16.6722 116 0.11 49
IV.FDMO.HHZ. 2017-04-27T23:58:01.17 0.3 undecidable manual S 21 7.9809 135 -0.34 71
IV.T1216.EHZ. 2017-04-27T23:58:01.81 0.3 undecidable manual S 197 9.1797 132 0.01 76
IV.CESI.HHZ. 2017-04-27T23:58:00.81 0.3 undecidable manual P 288 12.6762 123 0.24 72
IV.T1216.EHZ. 2017-04-27T23:58:00.11 0.1 positive manual P 197 9.1797 132 0.1 99
IV.T1219.HNZ. 2017-04-27T23:58:00.18 0.3 undecidable manual P 338 10.3785 128 -0.02 76
IV.MC2.EHZ. 2017-04-27T23:58:00.79 0.1 undecidable manual P 120 12.7761 122 0.19 97
IV.FDMO.HHZ. 2017-04-27T23:57:59.76 0.1 undecidable manual P 21 7.9809 135 -0.08 100
IV.FEMA.HNZ. 2017-04-27T23:57:58.72 0.1 undecidable manual P 197 0.7992 174 -0.48 93
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.FDMO.HHE. ML:2.2 0.0023049999999999998 0.62 AML other m 2017-04-27T23:58:02.01
IV.T1219.EHE. ML:2.4 0.0033049999999999998 0.22 AML other m 2017-04-27T23:58:02.40
IV.T1219.HNE. ML:2.4 0.0031500000000000005 0.22 AML other m 2017-04-27T23:58:02.40
IV.T1219.EHN. ML:2.3 0.0028250000000000003 0.16 AML other m 2017-04-27T23:58:02.62
IV.T1219.HNN. ML:2.3 0.00293 0.16 AML other m 2017-04-27T23:58:02.62
IV.CESI.HHN. ML:2.3 0.0023 0.16 AML other m 2017-04-27T23:58:03.53
IV.CESI.HHE. ML:2.0 0.0013399999999999998 1.5 AML other m 2017-04-27T23:58:03.86
IV.NRCA.HHE. ML:2.2 0.0015 0.18 AML other m 2017-04-27T23:58:04.10
IV.NRCA.HNE. ML:2.2 0.001435 0.18 AML other m 2017-04-27T23:58:04.10
IV.NRCA.HNN. ML:2.1 0.00121 0.56 AML other m 2017-04-27T23:58:04.38
IV.NRCA.HHN. ML:2.1 0.00131 0.58 AML other m 2017-04-27T23:58:04.38
IV.T1245.HHE. ML:2.1 0.0011619999999999998 1.42 AML other m 2017-04-27T23:58:05.01
IV.T1245.HNE. ML:2.0 0.001009 1.4 AML other m 2017-04-27T23:58:05.02
IV.T1245.HNN. ML:2.2 0.0016899999999999999 0.3 AML other m 2017-04-27T23:58:05.01
IV.T1245.HHN. ML:2.2 0.0015249999999999999 0.32 AML other m 2017-04-27T23:58:05.00
IV.ASSB.HHN. ML:2.3 0.0008995 0.18 AML other m 2017-04-27T23:58:09.48
IV.ASSB.HHE. ML:2.0 0.00054 0.24 AML other m 2017-04-27T23:58:09.70
IV.T1241.EHN. ML:1.7 0.0002305 1.84 AML other m 2017-04-27T23:58:09.96
IV.T1217.EHE. ML:1.8 0.00028599999999999996 0.52 AML other m 2017-04-27T23:58:10.17
IV.T1217.EHN. ML:2.0 0.00047299999999999995 0.72 AML other m 2017-04-27T23:58:10.18
IV.SNTG.HHE. ML:1.7 0.00021150000000000002 0.72 AML other m 2017-04-27T23:58:11.91
IV.SNTG.HHN. ML:1.6 0.000194 1.4 AML other m 2017-04-27T23:58:12.74
IV.T1299.EHE. ML:1.7 0.00017549999999999998 0.46 AML other m 2017-04-27T23:58:12.27
IV.T1299.EHN. ML:1.8 0.0002295 0.38 AML other m 2017-04-27T23:58:12.43
IV.FOSV.EHE. ML:1.7 0.000144 0.98 AML other m 2017-04-27T23:58:12.61
IV.EL6.EHE. ML:2.1 0.000461 1.36 AML other m 2017-04-27T23:58:13.71
IV.ATCC.EHE. ML:1.9 0.000293 0.42 AML other m 2017-04-27T23:58:13.40
IV.EL6.EHN. ML:2.0 0.00035250000000000006 0.68 AML other m 2017-04-27T23:58:13.47
IV.ATCC.EHN. ML:1.8 0.00023349999999999998 0.62 AML other m 2017-04-27T23:58:14.41
IV.CING.HHE. ML:1.8 0.00019 0.56 AML other m 2017-04-27T23:58:14.66
IV.CING.HHN. ML:1.6 0.000132 0.42 AML other m 2017-04-27T23:58:14.98
IV.T1241.EHE. ML:1.8 0.00027600000000000004 1.14 AML other m 2017-04-27T23:58:14.42
IV.ARRO.EHE. ML:1.8 0.000155 1.22 AML other m 2017-04-27T23:58:15.84
IV.FOSV.EHN. ML:1.7 0.0001595 0.3 AML other m 2017-04-27T23:58:16.43
IV.CESX.HHN. ML:2.0 0.00021100000000000003 0.68 AML other m 2017-04-27T23:58:17.68
IV.ARRO.EHN. ML:1.7 0.00014649999999999998 0.6 AML other m 2017-04-27T23:58:18.47
IV.CESX.HHE. ML:2.0 0.00021400000000000002 1.5 AML other m 2017-04-27T23:58:18.98
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