Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.3 on date 27-03-2018 and time 17:34:49 (UTC) in region 3 km SW Campello sul Clitunno (PG)

A magnitude ML 1.3 earthquake occured in region: 3 km SW Campello sul Clitunno (PG), on

  • 27-03-2018 17:34:49 (UTC)
  • 27-03-2018 19:34:49 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.8050, 12.7520 at 9 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
Campello sul Clitunno PG 3 2442 2442
Castel Ritaldi PG 7 3278 5720
Spoleto PG 8 38218 43938
Trevi PG 8 8469 52407
Vallo di Nera PG 10 364 52771
Sant'Anatolia di Narco PG 11 564 53335
Scheggino PG 12 461 53796
Montefalco PG 13 5679 59475
Cerreto di Spoleto PG 14 1075 60550
Giano dell'Umbria PG 15 3846 64396
Sellano PG 17 1079 65475
Foligno PG 17 57155 122630
Poggiodomo PG 18 117 122747
Bevagna PG 19 5081 127828
Massa Martana PG 19 3770 131598
Gualdo Cattaneo PG 20 6155 137753

Municipalities with at least 50000 inhabitants

An earthquake occurred to
17 Km S of Foligno (57155 inhabitants)
28 Km NE of Terni (111501 inhabitants)
45 Km SE of Perugia (166134 inhabitants)
68 Km NE of Viterbo (67173 inhabitants)
73 Km NW of L'Aquila (69753 inhabitants)
80 Km W of Teramo (54892 inhabitants)
90 Km N of Guidonia Montecelio (88673 inhabitants)
94 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 1.3 2018-03-27
17:34:49		 42.8053 12.7522 9 2019-04-24
14:49:42		 Bollettino Sismico Italiano INGV 59557591
Reviewed
Rev100 		ML 1.3 2018-03-27
17:34:49		 42.8097 12.7522 8 2018-03-27
17:45:09		 Sala Sismica INGV-Roma 54884241
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2018-03-27 17:34:49 ± 0.05
Latitude 42.8053 ± 0.0027
Longitude 12.7522 ± 0.0049
Depth (km) 9 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 59557591

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 363
Semi-minor axis of confidence ellipse (meter) 308
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 129
Circular confidence region, given by single value of horizontal uncertainty (meter) 360.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 65
Number of associated phases, regardless of their use for origin computation 29
Number of defining phases 28
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.17
Epicentral distance of station closest to the epicenter (degree) 0.13400
Epicentral distance of station farthest from the epicenter (degree) 0.58276
Number of stations at which the event was observed 19
Number of stations from which data was used for origin computation 19
Magnitudes information

ML:1.3

Field Value
Value 1.3
Uncertainty 0.2
Num. used stations 14
Type of magnitude ML
Reference to an origin 59557591
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2018-08-09 15:28:24

ML:1.3

Field Value
Value 1.3
Uncertainty 0.2
Num. used stations 14
Type of magnitude ML
Reference to an origin 54884241
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2018-03-27 17:45:09
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.EL6.EHZ. 2018-03-27T17:35:10.62 0.6 undecidable manual S 26 64.6908 50 0.57 41
IV.PF6.EHN. 2018-03-27T17:35:06.70 0.6 undecidable manual S 44 51.4152 50 0.17 47
IV.CSP1.EHZ. 2018-03-27T17:35:06.00 0.3 undecidable manual S 49 48.618 50 0.24 69
IV.ATCC.EHZ. 2018-03-27T17:35:04.30 0.6 undecidable manual S 348 43.1235 50 0.01 49
IV.LNSS.HHZ. 2018-03-27T17:35:01.40 0.6 undecidable manual S 134 32.5452 50 -0.07 49
IV.EL6.EHZ. 2018-03-27T17:35:01.55 0.6 positive manual P 26 64.6908 50 0 47
IV.FEMA.HNZ. 2018-03-27T17:35:00.70 0.6 undecidable manual S 54 29.748 50 -0.04 50
IV.NRCA.HHZ. 2018-03-27T17:35:00.80 0.6 undecidable manual S 84 29.6481 50 0.1 49
IV.CAMP.HHE. 2018-03-27T17:35:00.90 1.0 undecidable manual P 119 61.3941 50 -0.14 23
IV.MGAB.HHZ. 2018-03-27T17:35:00.06 0.3 undecidable manual P 283 53.4021 50 0.25 69
IV.SMA1.EHN. 2018-03-27T17:34:59.01 1.0 undecidable manual P 112 51.3153 50 -0.48 22
IV.CESI.HHZ. 2018-03-27T17:34:59.10 0.6 undecidable manual S 29 25.3524 110 -0.2 49
IV.CSP1.EHZ. 2018-03-27T17:34:59.04 0.1 undecidable manual P 49 48.618 50 -0.03 97
IV.PF6.EHN. 2018-03-27T17:34:59.31 3.0 undecidable manual P 44 51.4152 50 -0.2 0
IV.MTRA.EHE. 2018-03-27T17:34:59.66 1.0 undecidable manual P 96 52.7028 50 -0.05 24
IV.CESX.HHZ. 2018-03-27T17:34:59.20 0.6 undecidable manual S 212 25.6521 110 -0.21 49
IV.SNTG.HHE. 2018-03-27T17:34:59.30 1.0 undecidable manual P 17 52.1034 50 -0.32 23
IV.MMO1.EHN. 2018-03-27T17:34:58.33 1.0 undecidable manual P 77 47.9187 50 -0.63 21
IV.ATCC.EHZ. 2018-03-27T17:34:58.22 0.1 undecidable manual P 348 43.1235 50 -0.01 98
IV.T1299.EHZ. 2018-03-27T17:34:58.90 1.0 undecidable manual P 114 47.2194 50 0.04 24
IV.FEMA.HNZ. 2018-03-27T17:34:56.05 0.3 undecidable manual P 54 29.748 50 -0.12 74
IV.ARRO.EHZ. 2018-03-27T17:34:56.07 1.0 undecidable manual P 177 25.1526 110 0.77 20
OB.GAVE.EHZ. 2018-03-27T17:34:56.90 0.6 undecidable manual S 137 17.0718 119 0.22 49
IV.LNSS.HHZ. 2018-03-27T17:34:56.42 0.1 undecidable manual P 134 32.5452 50 -0.17 97
IV.CESX.HHZ. 2018-03-27T17:34:55.55 0.1 undecidable manual P 212 25.6521 110 0.15 98
IV.CESI.HHZ. 2018-03-27T17:34:55.31 0.3 undecidable manual P 29 25.3524 110 -0.03 75
IV.NRCA.HHZ. 2018-03-27T17:34:55.91 0.1 undecidable manual P 84 29.6481 50 -0.24 96
OB.GAVE.EHZ. 2018-03-27T17:34:54.03 0.1 undecidable manual P 137 17.0718 119 0.2 99
IV.MOMA.HHZ. 2018-03-27T17:34:53.28 0.1 undecidable manual P 269 14.874 122 -0.16 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.MOMA.HHN. ML:1.1 0.000126 0.68 AML other m 2018-03-27T17:34:57.50
OB.GAVE.EHN. ML:1.4 0.00020750000000000003 0.58 AML other m 2018-03-27T17:34:58.40
IV.MOMA.HHE. ML:1.3 0.000184 0.12 AML other m 2018-03-27T17:34:58.60
OB.GAVE.EHE. ML:1.4 0.0002055 0.18 AML other m 2018-03-27T17:34:58.74
IV.CESI.HHN. ML:1.4 0.00015350000000000002 0.4 AML other m 2018-03-27T17:34:59.85
IV.NRCA.HHN. ML:1.2 0.000078 0.62 AML other m 2018-03-27T17:35:01.55
IV.CESX.HHE. ML:1.0 0.00006615 0.74 AML other m 2018-03-27T17:35:02.46
IV.CESI.HHE. ML:1.2 0.0001017 0.42 AML other m 2018-03-27T17:35:02.61
IV.CESX.HHN. ML:1.1 0.00007594999999999999 0.46 AML other m 2018-03-27T17:35:03.70
IV.NRCA.HHE. ML:1.4 0.0001077 1.82 AML other m 2018-03-27T17:35:03.93
IV.ATCC.EHE. ML:1.2 0.00004835 0.46 AML other m 2018-03-27T17:35:05.63
IV.ATCC.EHN. ML:1.2 0.0000445 1.32 AML other m 2018-03-27T17:35:07.85
IV.GUMA.HHE. ML:1.7 0.00010505 1.64 AML other m 2018-03-27T17:35:09.08
IV.GUMA.HHN. ML:1.5 0.00007415 1.1 AML other m 2018-03-27T17:35:10.06
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