Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.0 on date 27-10-2018 and time 17:18:50 (UTC) in region 4 km SW Campello sul Clitunno (PG)

A magnitude ML 2.0 earthquake occured in region: 4 km SW Campello sul Clitunno (PG), on

  • 27-10-2018 17:18:50 (UTC)
  • 27-10-2018 19:18:50 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.7940, 12.7480 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.

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
Campello sul Clitunno PG 4 2442 2442
Spoleto PG 7 38218 40660
Castel Ritaldi PG 7 3278 43938
Trevi PG 9 8469 52407
Vallo di Nera PG 10 364 52771
Sant'Anatolia di Narco PG 10 564 53335
Scheggino PG 11 461 53796
Montefalco PG 14 5679 59475
Cerreto di Spoleto PG 14 1075 60550
Giano dell'Umbria PG 15 3846 64396
Poggiodomo PG 18 117 64513
Sellano PG 18 1079 65592
Foligno PG 18 57155 122747
Massa Martana PG 18 3770 126517
Bevagna PG 19 5081 131598
Ferentillo TR 20 1913 133511
Acquasparta TR 20 4778 138289

Municipalities with at least 50000 inhabitants

An earthquake occurred to
18 Km S of Foligno (57155 inhabitants)
27 Km NE of Terni (111501 inhabitants)
46 Km SE of Perugia (166134 inhabitants)
67 Km NE of Viterbo (67173 inhabitants)
73 Km NW of L'Aquila (69753 inhabitants)
80 Km W of Teramo (54892 inhabitants)
88 Km N of Guidonia Montecelio (88673 inhabitants)
92 Km N of Tivoli (56533 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 2018-10-27
17:18:50		 42.7943 12.7483 10 2019-06-04
09:16:06		 Bollettino Sismico Italiano INGV 64624151
Reviewed
Rev100 		ML 2.0 2018-10-27
17:18:50		 42.7958 12.7535 8 2018-10-27
17:28:32		 Sala Sismica INGV-Roma 62439151
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2018-10-27 17:18:50 ± 0.05
Latitude 42.7943 ± 0.0027
Longitude 12.7483 ± 0.0049
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 64624151

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 340
Semi-minor axis of confidence ellipse (meter) 334
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 142
Circular confidence region, given by single value of horizontal uncertainty (meter) 340.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 61
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) 0.18
Epicentral distance of station closest to the epicenter (degree) 0.13130
Epicentral distance of station farthest from the epicenter (degree) 0.61693
Number of stations at which the event was observed 15
Number of stations from which data was used for origin computation 15
Magnitudes information

ML:2.0

Field Value
Value 2.0
Uncertainty 0.2
Num. used stations 29
Type of magnitude ML
Reference to an origin 64624151
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2019-01-16 13:45:39

ML:2.0

Field Value
Value 2.0
Uncertainty 0.3
Num. used stations 34
Type of magnitude ML
Reference to an origin 62439151
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2018-10-27 17:28:32
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.CSP1.EHZ. 2018-10-27T17:19:06.50 0.6 undecidable manual S 48 49.617 50 0.39 45
IV.FDMO.HHZ. 2018-10-27T17:19:03.60 0.6 undecidable manual S 46 38.4282 50 0.47 45
IV.MML1.HNE. 2018-10-27T17:19:03.82 0.6 undecidable manual S 27 39.8268 50 0.34 46
IV.SACS.HHZ. 2018-10-27T17:19:02.42 0.6 undecidable manual P 275 68.4759 50 0.17 45
IV.LNSS.HHZ. 2018-10-27T17:19:01.40 0.6 undecidable manual S 132 31.9458 50 0.02 50
IV.FEMA.HNE. 2018-10-27T17:19:01.35 0.6 undecidable manual S 53 30.747 50 0.28 47
IV.FOSV.EHZ. 2018-10-27T17:19:00.31 0.3 undecidable manual P 1 55.5 50 0.05 71
IV.CESI.HHZ. 2018-10-27T17:19:00.10 0.3 undecidable manual S 28 26.5512 110 0.18 73
IV.ASSB.HHZ. 2018-10-27T17:19:00.50 0.6 undecidable manual S 345 28.4493 50 0.03 50
IV.NRCA.HHZ. 2018-10-27T17:19:00.70 0.6 undecidable manual S 82 30.0477 50 -0.2 48
IV.MGAB.HHZ. 2018-10-27T17:18:59.94 0.6 undecidable manual P 284 53.4021 50 0.02 48
IV.CESX.HHZ. 2018-10-27T17:18:59.60 0.3 undecidable manual S 213 24.4533 112 0.37 70
IV.CSP1.EHZ. 2018-10-27T17:18:59.34 0.1 undecidable manual P 48 49.617 50 0 97
IV.ARRO.EHZ. 2018-10-27T17:18:59.30 0.3 undecidable manual S 177 23.8539 112 0.25 72
IV.MC2.EHZ. 2018-10-27T17:18:57.68 0.6 undecidable manual P 70 38.1285 50 0.11 48
IV.FDMO.HHZ. 2018-10-27T17:18:57.50 0.3 undecidable manual P 46 38.4282 50 -0.12 72
IV.MML1.HNE. 2018-10-27T17:18:57.66 0.6 undecidable manual P 27 39.8268 50 -0.17 48
IV.NRCA.HHZ. 2018-10-27T17:18:56.03 0.1 undecidable manual P 82 30.0477 50 -0.3 94
IV.MOMA.HHZ. 2018-10-27T17:18:56.20 0.6 undecidable manual S 274 14.5743 124 0.03 51
IV.FEMA.HNE. 2018-10-27T17:18:56.37 0.6 undecidable manual P 53 30.747 50 -0.07 49
IV.LNSS.HHZ. 2018-10-27T17:18:56.30 0.3 undecidable manual P 132 31.9458 50 -0.31 70
IV.ASSB.HHZ. 2018-10-27T17:18:55.85 0.1 undecidable manual P 345 28.4493 50 -0.23 96
IV.ARRO.EHZ. 2018-10-27T17:18:55.17 0.3 undecidable manual P 177 23.8539 112 -0.1 74
IV.CESI.HHZ. 2018-10-27T17:18:55.60 0.1 undecidable manual P 28 26.5512 110 -0.17 97
IV.CESX.HHZ. 2018-10-27T17:18:55.25 0.6 undecidable manual P 213 24.4533 112 -0.12 49
IV.MOMA.HHZ. 2018-10-27T17:18:53.47 0.1 negative manual P 274 14.5743 124 -0.14 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.MOMA.HHN. ML:2.0 0.001008 0.46 AML other m 2018-10-27T17:18:56.48
IV.MOMA.HNN. ML:2.0 0.00094697175 0.256 AML other m 2018-10-27T17:18:56.81
IV.MOMA.HHE. ML:2.1 0.00127 0.64 AML other m 2018-10-27T17:18:57.56
IV.MOMA.HNE. ML:2.1 0.0011522575000000002 0.1792 AML other m 2018-10-27T17:18:58.22
IV.ARRO.EHE. ML:1.9 0.00051 0.7 AML other m 2018-10-27T17:19:00.02
IV.ARRO.EHN. ML:1.7 0.00033999999999999997 0.24 AML other m 2018-10-27T17:19:00.49
IV.ASSB.HHN. ML:1.9 0.0004125 0.64 AML other m 2018-10-27T17:19:00.48
IV.LNSS.HHE. ML:2.2 0.0006839999999999999 0.9 AML other m 2018-10-27T17:19:01.56
IV.CESI.HHE. ML:2.0 0.0005995 0.28 AML other m 2018-10-27T17:19:02.15
IV.NRCA.HNN. ML:2.1 0.0005815 0.6 AML other m 2018-10-27T17:19:02.58
IV.NRCA.HHN. ML:2.0 0.0005075 0.6 AML other m 2018-10-27T17:19:02.58
IV.CESX.HHE. ML:2.0 0.0005600000000000001 0.4 AML other m 2018-10-27T17:19:02.18
IV.CESX.HHN. ML:2.0 0.0006905 0.4 AML other m 2018-10-27T17:19:02.46
IV.ASSB.HHE. ML:1.9 0.0004 0.3 AML other m 2018-10-27T17:19:02.47
IV.NRCA.HNE. ML:2.2 0.000789 0.12 AML other m 2018-10-27T17:19:02.78
IV.NRCA.HHE. ML:2.2 0.000866 0.12 AML other m 2018-10-27T17:19:02.78
IV.CESI.HHN. ML:2.1 0.0006779999999999999 0.24 AML other m 2018-10-27T17:19:02.91
IV.LNSS.HHN. ML:2.2 0.0007765 0.56 AML other m 2018-10-27T17:19:03.59
IV.FDMO.HHN. ML:1.8 0.0002285 0.22 AML other m 2018-10-27T17:19:04.67
IV.FDMO.HHE. ML:1.9 0.0002875 0.8 AML other m 2018-10-27T17:19:04.99
IV.CSP1.EHE. ML:2.0 0.000253 1.56 AML other m 2018-10-27T17:19:07.95
IV.CSP1.EHN. ML:2.2 0.000445 0.46 AML other m 2018-10-27T17:19:07.67
IV.FOSV.EHE. ML:1.7 0.0001207 0.26 AML other m 2018-10-27T17:19:09.71
IV.FOSV.EHN. ML:1.7 0.00011499999999999999 0.56 AML other m 2018-10-27T17:19:11.40
IV.MGAB.HNE. ML:1.8 0.00013800000000000002 0.34 AML other m 2018-10-27T17:19:14.23
IV.MGAB.HHE. ML:1.8 0.000154 0.32 AML other m 2018-10-27T17:19:14.23
IV.MGAB.HHN. ML:1.8 0.000155 0.28 AML other m 2018-10-27T17:19:14.51
IV.MGAB.HNN. ML:1.8 0.00016549999999999998 0.92 AML other m 2018-10-27T17:19:14.51
IV.SACS.HHN. ML:1.4 0.000045243345000000004 0.192 AML other m 2018-10-27T17:19:15.95
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