Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.7 on date 27-03-2017 and time 20:30:51 (Italy) in region 3 km SE Trevi (PG)

A magnitude ML 1.7 earthquake occured in region: 3 km SE Trevi (PG), on

  • 27-03-2017 18:30:51 (UTC)
  • 27-03-2017 20:30:51 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.8550, 12.7720 at 10 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
Trevi PG 3 8469 8469
Campello sul Clitunno PG 4 2442 10911
Castel Ritaldi PG 9 3278 14189
Montefalco PG 11 5679 19868
Vallo di Nera PG 12 364 20232
Cerreto di Spoleto PG 13 1075 21307
Foligno PG 13 57155 78462
Sellano PG 13 1079 79541
Spoleto PG 14 38218 117759
Sant'Anatolia di Narco PG 15 564 118323
Bevagna PG 16 5081 123404
Giano dell'Umbria PG 16 3846 127250
Scheggino PG 17 461 127711
Spello PG 17 8645 136356
Gualdo Cattaneo PG 19 6155 142511

Municipalities with at least 50000 inhabitants

An earthquake occurred to
13 Km SE of Foligno (57155 inhabitants)
34 Km NE of Terni (111501 inhabitants)
42 Km SE of Perugia (166134 inhabitants)
73 Km NE of Viterbo (67173 inhabitants)
76 Km NW of L'Aquila (69753 inhabitants)
79 Km W of Teramo (54892 inhabitants)
95 Km N of Guidonia Montecelio (88673 inhabitants)
99 Km N of Tivoli (56533 inhabitants)
99 Km SE of Arezzo (99543 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 2017-03-27
18:30:51		 42.855 12.7718 10 2019-07-19
13:20:32		 Bollettino Sismico Italiano INGV 50223931
Reviewed
Rev100 		ML 1.7 2017-03-27
18:30:51		 42.856 12.777 10 2017-03-27
18:34:52		 Sala Sismica INGV-Roma 43026571
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2017-03-27 18:30:51 ± 0.04
Latitude 42.8550 ± 0.0018
Longitude 12.7718 ± 0.0037
Depth (km) 10 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 50223931

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 216
Semi-minor axis of confidence ellipse (meter) 168
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 234
Circular confidence region, given by single value of horizontal uncertainty (meter) 220.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 82
Number of associated phases, regardless of their use for origin computation 50
Number of defining phases 50
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) 0.15648
Epicentral distance of station farthest from the epicenter (degree) 0.70147
Number of stations at which the event was observed 30
Number of stations from which data was used for origin computation 30
Magnitudes information

ML:1.7

Field Value
Value 1.7
Uncertainty 0.2
Num. used stations 23
Type of magnitude ML
Reference to an origin 43026571
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2017-03-27 18:34:52

ML:1.7

Field Value
Value 1.7
Uncertainty 0.2
Num. used stations 23
Type of magnitude ML
Reference to an origin 50223931
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2017-09-18 15:05:02
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.EL6.EHZ. 2017-03-27T18:31:09.88 0.6 undecidable manual S 27 58.9965 50 0.38 44
IV.RM33.EHZ. 2017-03-27T18:31:08.15 0.6 undecidable manual S 137 52.7028 50 0.33 45
IV.MURB.HHZ. 2017-03-27T18:31:07.70 0.6 undecidable manual S 336 49.5171 50 0.74 39
IV.MMO1.EHZ. 2017-03-27T18:31:06.06 0.6 undecidable manual S 84 45.4212 50 0.2 47
IV.PIEI.HHZ. 2017-03-27T18:31:04.70 0.3 undecidable manual P 346 77.8665 50 0.09 67
IV.T1256.HHZ. 2017-03-27T18:31:04.63 0.6 undecidable manual S 65 40.5261 50 0.06 48
IV.ATCC.EHZ. 2017-03-27T18:31:04.34 0.3 undecidable manual S 344 38.1285 50 0.41 68
IV.TERO.HHZ. 2017-03-27T18:31:03.89 0.3 undecidable manual P 111 72.4719 50 0.11 68
IV.T1245.HHZ. 2017-03-27T18:31:03.26 0.6 undecidable manual S 90 33.8439 50 0.47 45
IV.MC2.EHZ. 2017-03-27T18:31:03.68 0.6 undecidable manual S 79 34.4433 50 0.72 41
IV.T1214.EHZ. 2017-03-27T18:31:03.82 0.6 undecidable manual S 106 37.1295 50 0.17 48
IV.FIAM.HHZ. 2017-03-27T18:31:03.44 0.3 undecidable manual P 156 70.9734 50 -0.1 68
IV.T1220.EHZ. 2017-03-27T18:31:03.92 0.3 undecidable manual S 42 38.2284 50 -0.04 73
IV.ATVO.HHZ. 2017-03-27T18:31:02.74 0.3 undecidable manual P 333 65.49 50 0.04 70
IV.FDMO.HHZ. 2017-03-27T18:31:02.04 0.6 undecidable manual S 52 32.5452 50 -0.41 46
IV.T1219.EHZ. 2017-03-27T18:31:01.21 0.3 undecidable manual S 40 29.2485 50 -0.34 70
IV.EL6.EHZ. 2017-03-27T18:31:01.65 0.1 positive manual P 27 58.9965 50 -0.05 94
IV.NRCA.HHZ. 2017-03-27T18:31:01.02 0.6 undecidable manual S 95 27.9498 50 -0.19 48
IV.ATFO.HHZ. 2017-03-27T18:31:01.84 0.3 undecidable manual P 344 58.9965 50 0.14 69
IV.CESX.HHZ. 2017-03-27T18:31:01.92 0.6 undecidable manual S 209 31.2465 50 -0.17 48
IV.MURB.HHZ. 2017-03-27T18:31:00.31 0.3 undecidable manual P 336 49.5171 50 0.08 71
IV.RM33.EHZ. 2017-03-27T18:31:00.68 0.1 positive manual P 137 52.7028 50 -0.05 95
IV.T1299.EHZ. 2017-03-27T18:31:00.09 0.1 undecidable manual P 120 48.2184 50 0.05 95
IV.T1241.EHZ. 2017-03-27T18:31:00.90 0.3 undecidable manual P 90 53.6019 50 0.03 71
IV.T1222.EHZ. 2017-03-27T18:31:00.86 0.3 undecidable manual P 157 54.8007 50 -0.19 69
IV.T1212.EHZ. 2017-03-27T18:31:00.35 0.6 undecidable manual S 117 24.9528 112 -0.02 50
IV.MMO1.EHZ. 2017-03-27T18:30:59.55 0.3 undecidable manual P 84 45.4212 50 -0.05 72
IV.T1216.EHZ. 2017-03-27T18:30:59.15 0.6 undecidable manual S 79 20.4684 116 0.21 48
IV.ASSB.HHZ. 2017-03-27T18:30:59.41 0.6 undecidable manual S 336 22.755 114 -0.25 48
IV.SNTG.HHZ. 2017-03-27T18:30:59.41 0.1 undecidable manual P 17 46.4202 50 -0.36 90
IV.T1214.EHZ. 2017-03-27T18:30:58.22 0.1 undecidable manual P 106 37.1295 50 -0.1 96
IV.T1217.EHZ. 2017-03-27T18:30:58.93 0.3 undecidable manual S 141 20.4684 116 -0.01 76
IV.T1220.EHZ. 2017-03-27T18:30:58.43 0.1 undecidable manual P 42 38.2284 50 -0.07 97
IV.T1211.EHZ. 2017-03-27T18:30:58.20 0.1 undecidable manual P 169 36.3414 50 -0.01 98
IV.T1256.HHZ. 2017-03-27T18:30:58.82 0.6 undecidable manual P 65 40.5261 50 -0.03 49
IV.MOMA.HHZ. 2017-03-27T18:30:58.15 0.6 undecidable manual S 251 17.3715 120 0.17 49
IV.CESI.HHZ. 2017-03-27T18:30:58.60 0.6 undecidable manual S 33 19.869 117 -0.13 49
IV.ATCC.EHZ. 2017-03-27T18:30:58.36 0.1 undecidable manual P 344 38.1285 50 -0.13 96
IV.MC2.EHZ. 2017-03-27T18:30:57.60 0.3 undecidable manual P 79 34.4433 50 -0.32 69
IV.CESX.HHZ. 2017-03-27T18:30:57.28 0.1 undecidable manual P 209 31.2465 50 -0.14 97
IV.FDMO.HHZ. 2017-03-27T18:30:57.49 0.1 positive manual P 52 32.5452 50 -0.14 96
IV.T1245.HHZ. 2017-03-27T18:30:57.79 0.1 undecidable manual P 90 33.8439 50 -0.03 98
IV.T1212.EHZ. 2017-03-27T18:30:56.38 0.1 positive manual P 117 24.9528 112 -0.04 100
IV.T1219.EHZ. 2017-03-27T18:30:56.92 0.1 undecidable manual P 40 29.2485 50 -0.19 96
IV.NRCA.HHZ. 2017-03-27T18:30:56.82 0.3 undecidable manual P 95 27.9498 50 -0.09 74
IV.MOMA.HHZ. 2017-03-27T18:30:55.21 0.1 undecidable manual P 251 17.3715 120 0.16 98
IV.ASSB.HHZ. 2017-03-27T18:30:55.90 0.1 positive manual P 336 22.755 114 -0.11 99
IV.CESI.HHZ. 2017-03-27T18:30:55.55 0.1 positive manual P 33 19.869 117 0.07 100
IV.T1217.EHZ. 2017-03-27T18:30:55.69 0.1 positive manual P 141 20.4684 116 0.09 100
IV.T1216.EHZ. 2017-03-27T18:30:55.85 0.1 undecidable manual P 79 20.4684 116 0.25 96
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.ASSB.HHN. ML:1.8 0.0003765 1.5 AML other m 2017-03-27T18:30:59.16
IV.ASSB.HHE. ML:1.9 0.000561 1.78 AML other m 2017-03-27T18:30:59.99
IV.ATCC.EHN. ML:1.9 0.0003075 1.66 AML other m 2017-03-27T18:31:05.99
IV.ATCC.EHE. ML:1.6 0.00016 0.42 AML other m 2017-03-27T18:31:05.49
IV.ATVO.HHN. ML:1.3 0.00003665 0.44 AML other m 2017-03-27T18:31:12.23
IV.ATVO.HHE. ML:1.4 0.00005095 0.88 AML other m 2017-03-27T18:31:13.94
IV.CESI.HHE. ML:1.7 0.00036899999999999997 1.28 AML other m 2017-03-27T18:30:59.09
IV.CESI.HHN. ML:2.1 0.000936 0.22 AML other m 2017-03-27T18:31:00.31
IV.CESX.HHE. ML:1.7 0.000224 0.32 AML other m 2017-03-27T18:31:04.08
IV.CESX.HHN. ML:1.6 0.000174 0.38 AML other m 2017-03-27T18:31:05.89
IV.FDMO.HHE. ML:1.7 0.00023349999999999998 1.2 AML other m 2017-03-27T18:31:02.74
IV.FDMO.HHN. ML:1.7 0.000214 0.42 AML other m 2017-03-27T18:31:03.74
IV.FIAM.HHE. ML:1.4 0.0000439 1.54 AML other m 2017-03-27T18:31:15.88
IV.FIAM.HHN. ML:1.5 0.0000518 0.96 AML other m 2017-03-27T18:31:20.61
IV.MOMA.HHN. ML:1.8 0.0005975 1.88 AML other m 2017-03-27T18:30:59.95
IV.MOMA.HNN. ML:1.8 0.0005585 1.86 AML other m 2017-03-27T18:30:59.02
IV.MOMA.HHE. ML:1.9 0.00074 0.16 AML other m 2017-03-27T18:30:58.81
IV.MOMA.HNE. ML:1.9 0.0007365000000000001 0.18 AML other m 2017-03-27T18:30:58.81
IV.MURB.HHE. ML:2.1 0.0003055 0.3 AML other m 2017-03-27T18:31:08.28
IV.MURB.HHN. ML:2.0 0.00027600000000000004 0.32 AML other m 2017-03-27T18:31:08.62
IV.NRCA.HHE. ML:1.8 0.000314 1.22 AML other m 2017-03-27T18:31:02.32
IV.NRCA.HHN. ML:1.6 0.00021150000000000002 0.14 AML other m 2017-03-27T18:31:03.84
IV.RM33.EHN. ML:1.7 0.000122 0.78 AML other m 2017-03-27T18:31:08.29
IV.RM33.EHE. ML:1.7 0.000129 0.32 AML other m 2017-03-27T18:31:09.71
IV.SMA1.EHN. ML:1.8 0.00016249999999999997 0.28 AML other m 2017-03-27T18:31:09.44
IV.SMA1.EHE. ML:1.7 0.0001275 0.42 AML other m 2017-03-27T18:31:09.57
IV.SNTG.HHN. ML:1.2 0.000049850000000000006 1 AML other m 2017-03-27T18:31:09.11
IV.SNTG.HHE. ML:1.3 0.0000574 1.46 AML other m 2017-03-27T18:31:07.11
IV.T1211.HNN. ML:1.8 0.0002445 0.72 AML other m 2017-03-27T18:31:04.37
IV.T1211.HNE. ML:1.8 0.00026549999999999995 0.66 AML other m 2017-03-27T18:31:05.01
IV.T1211.EHN. ML:1.7 0.00020349999999999999 0.72 AML other m 2017-03-27T18:31:04.37
IV.T1211.EHE. ML:1.8 0.00023099999999999998 0.56 AML other m 2017-03-27T18:31:06.35
IV.T1212.EHN. ML:1.8 0.0003804999999999999 0.46 AML other m 2017-03-27T18:31:00.82
IV.T1212.EHE. ML:1.7 0.000316 0.18 AML other m 2017-03-27T18:31:01.56
IV.T1214.EHN. ML:1.4 0.0000955 0.16 AML other m 2017-03-27T18:31:06.53
IV.T1214.EHE. ML:1.6 0.0001525 0.16 AML other m 2017-03-27T18:31:04.00
IV.T1216.EHN. ML:1.7 0.000375 0.8 AML other m 2017-03-27T18:31:01.33
IV.T1216.EHE. ML:1.6 0.00029749999999999997 0.08 AML other m 2017-03-27T18:30:59.83
IV.T1217.EHE. ML:1.8 0.000521 0.88 AML other m 2017-03-27T18:30:59.16
IV.T1217.EHN. ML:1.9 0.00061 0.72 AML other m 2017-03-27T18:30:59.20
IV.T1219.EHN. ML:2.2 0.0007064999999999999 0.38 AML other m 2017-03-27T18:31:01.40
IV.T1219.HNE. ML:1.9 0.000358 0.14 AML other m 2017-03-27T18:31:01.38
IV.T1219.EHE. ML:1.9 0.000371 0.64 AML other m 2017-03-27T18:31:01.63
IV.T1219.HNN. ML:2.1 0.0006895 0.38 AML other m 2017-03-27T18:31:01.40
IV.T1220.EHE. ML:2.1 0.00042500000000000003 0.3 AML other m 2017-03-27T18:31:05.04
IV.T1220.EHN. ML:2.1 0.0005245 0.22 AML other m 2017-03-27T18:31:05.06
IV.T1222.EHE. ML:1.7 0.00011310000000000001 1.22 AML other m 2017-03-27T18:31:09.79
IV.T1222.EHN. ML:1.5 0.000079715 0.7 AML other m 2017-03-27T18:31:11.37
IV.T1245.HHN. ML:1.7 0.00022700000000000002 0.12 AML other m 2017-03-27T18:31:05.16
IV.T1245.HHE. ML:1.6 0.00017099999999999998 0.16 AML other m 2017-03-27T18:31:03.60
IV.T1256.HHE. ML:1.5 0.00010115 0.5 AML other m 2017-03-27T18:31:07.33
IV.T1256.HHN. ML:1.7 0.00017449999999999999 0.36 AML other m 2017-03-27T18:31:05.24
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