Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.6 on date 11-04-2019 and time 10:43:20 (Italy) in region 1 km E Cerreto di Spoleto (PG)

A magnitude ML 1.6 earthquake occured in region: 1 km E Cerreto di Spoleto (PG), on

  • 11-04-2019 08:43:20 (UTC)
  • 11-04-2019 10:43:20 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.8170, 12.9260 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
Cerreto di Spoleto PG 1 1075 1075
Vallo di Nera PG 7 364 1439
Sellano PG 8 1079 2518
Preci PG 12 724 3242
Poggiodomo PG 12 117 3359
Sant'Anatolia di Narco PG 12 564 3923
Campello sul Clitunno PG 12 2442 6365
Cascia PG 13 3217 9582
Scheggino PG 14 461 10043
Norcia PG 14 4957 15000
Trevi PG 16 8469 23469
Spoleto PG 18 38218 61687
Monteleone di Spoleto PG 18 599 62286
Visso MC 19 1107 63393

Municipalities with at least 50000 inhabitants

An earthquake occurred to
24 Km SE of Foligno (57155 inhabitants)
36 Km NE of Terni (111501 inhabitants)
54 Km SE of Perugia (166134 inhabitants)
65 Km NW of L'Aquila (69753 inhabitants)
66 Km W of Teramo (54892 inhabitants)
80 Km NE of Viterbo (67173 inhabitants)
92 Km N of Guidonia Montecelio (88673 inhabitants)
95 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 1.6 2019-04-11
08:43:20		 42.8168 12.9258 11 2019-08-22
08:24:59		 Bollettino Sismico Italiano INGV 68331831
Reviewed
Rev100 		ML 1.6 2019-04-11
08:43:21		 42.8158 12.9248 11 2019-04-11
08:59:34		 Sala Sismica INGV-Roma 67458071
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2019-04-11 08:43:20 ± 0.05
Latitude 42.8168 ± 0.0018
Longitude 12.9258 ± 0.0037
Depth (km) 11 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 68331831

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 201
Semi-minor axis of confidence ellipse (meter) 161
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 86
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) 60
Number of associated phases, regardless of their use for origin computation 51
Number of defining phases 50
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.22
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.77252
Number of stations at which the event was observed 27
Number of stations from which data was used for origin computation 26
Magnitudes information

ML:1.6

Field Value
Value 1.6
Uncertainty 0.2
Num. used stations 29
Type of magnitude ML
Reference to an origin 68331831
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2019-05-07 08:40:44

ML:1.6

Field Value
Value 1.6
Uncertainty 0.2
Num. used stations 28
Type of magnitude ML
Reference to an origin 67458071
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2019-04-11 08:59:34
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.IMOL.HNZ. 2019-04-11T08:44:15.57 3.0 undecidable manual Sg 0.63 0
IV.PIEI.HHZ. 2019-04-11T08:43:46.97 0.3 undecidable manual S 339 85.7475 50 0.5 60
IV.MURB.HHZ. 2019-04-11T08:43:40.07 0.1 undecidable manual S 327 59.1963 50 0.69 78
IV.EL6.EHZ. 2019-04-11T08:43:39.48 0.1 undecidable manual S 14 58.5969 50 0.26 88
IV.TERO.HHZ. 2019-04-11T08:43:39.78 0.1 undecidable manual S 111 59.2962 50 0.37 86
IV.FOSV.EHZ. 2019-04-11T08:43:38.51 0.3 undecidable manual S 346 54.7008 50 0.34 65
IV.ATCC.EHZ. 2019-04-11T08:43:36.43 0.1 undecidable manual S 331 47.0196 50 0.32 89
IV.SNTG.HHZ. 2019-04-11T08:43:36.53 0.1 undecidable manual S 1 48.618 50 -0.02 94
IV.PIEI.HHZ. 2019-04-11T08:43:35.82 0.3 undecidable manual P 339 85.7475 50 0.12 65
IV.SMA1.EHZ. 2019-04-11T08:43:34.39 0.1 undecidable manual S 122 39.2274 50 0.34 90
IV.PF6.EHN. 2019-04-11T08:43:34.20 0.1 undecidable manual S 31 41.7249 50 -0.52 86
IV.RM33.EHZ. 2019-04-11T08:43:34.70 0.1 undecidable manual S 145 41.5251 50 0.05 95
IV.GUMA.HHZ. 2019-04-11T08:43:34.96 0.1 undecidable manual S 51 43.0236 50 -0.09 94
IV.MMO1.EHZ. 2019-04-11T08:43:32.48 0.1 undecidable manual S 74 33.8439 50 -0.14 95
IV.CESX.HHZ. 2019-04-11T08:43:32.90 0.1 undecidable manual S 230 36.0417 50 -0.29 91
IV.MML1.HNE. 2019-04-11T08:43:32.33 0.1 undecidable manual S 6 33.1446 50 -0.08 96
IV.TERO.HHZ. 2019-04-11T08:43:31.46 0.1 undecidable manual P 111 59.2962 50 -0.16 90
IT.GNU.HGE. 2019-04-11T08:43:31.23 0.3 undecidable manual S 267 28.9488 50 -0.08 72
IV.MURB.HHZ. 2019-04-11T08:43:31.59 0.1 undecidable manual P 327 59.1963 50 -0.01 93
IV.EL6.EHZ. 2019-04-11T08:43:31.41 0.1 positive manual P 14 58.5969 50 -0.1 91
IV.MOMA.HHZ. 2019-04-11T08:43:31.22 0.1 undecidable manual S 267 28.9488 50 -0.09 96
IV.FOSV.EHZ. 2019-04-11T08:43:30.01 0.3 undecidable manual P 346 54.7008 50 -0.89 54
IV.MC2.EHZ. 2019-04-11T08:43:30.12 0.1 undecidable manual S 64 23.8539 50 0.18 95
IV.LNSS.HHZ. 2019-04-11T08:43:30.21 0.1 undecidable manual S 158 25.5522 50 -0.17 95
IV.SNTG.HHZ. 2019-04-11T08:43:30.14 0.1 undecidable manual P 1 48.618 50 0.17 92
IV.FDMO.HHZ. 2019-04-11T08:43:30.71 0.1 undecidable manual S 28 27.6501 50 -0.25 93
IV.GUMA.HHZ. 2019-04-11T08:43:29.31 0.1 undecidable manual P 51 43.0236 50 0.2 92
IV.ATCC.EHZ. 2019-04-11T08:43:29.56 0.1 undecidable manual P 331 47.0196 50 -0.16 92
IV.CSP1.EHZ. 2019-04-11T08:43:28.24 0.1 undecidable manual P 37 38.0286 50 -0.09 95
IV.MTRA.EHE. 2019-04-11T08:43:28.37 0.3 undecidable manual P 100 38.9277 50 -0.1 71
IT.MTCL.HGZ. 2019-04-11T08:43:28.79 0.3 undecidable manual S 17 20.5683 117 -0.18 72
IV.SMA1.EHZ. 2019-04-11T08:43:28.66 0.1 undecidable manual P 122 39.2274 50 0.13 94
IV.PF6.EHN. 2019-04-11T08:43:28.72 0.1 undecidable manual P 31 41.7249 50 -0.19 92
IV.FEMA.HNE. 2019-04-11T08:43:28.53 0.1 undecidable manual S 32 18.9699 119 0.02 99
IV.RM33.EHZ. 2019-04-11T08:43:28.77 0.1 undecidable manual P 145 41.5251 50 -0.1 94
IV.CESI.HHZ. 2019-04-11T08:43:28.99 0.1 undecidable manual S 355 20.9679 117 -0.11 97
IV.GAVE.EHZ. 2019-04-11T08:43:27.19 0.1 undecidable manual S 191 14.0748 127 0.12 98
IV.NRCA.HHZ. 2019-04-11T08:43:27.43 0.1 undecidable manual S 83 15.4734 124 -0.02 100
IV.MMO1.EHZ. 2019-04-11T08:43:27.67 0.1 undecidable manual P 74 33.8439 50 -0.03 97
IT.GNU.HGE. 2019-04-11T08:43:27.11 0.3 undecidable manual P 267 28.9488 50 0.17 71
IV.CESX.HHZ. 2019-04-11T08:43:27.74 0.1 undecidable manual P 230 36.0417 50 -0.29 91
IV.MML1.HNE. 2019-04-11T08:43:27.44 0.1 undecidable manual P 6 33.1446 50 -0.14 95
IV.FDMO.HHZ. 2019-04-11T08:43:26.61 0.1 positive manual P 28 27.6501 50 -0.13 96
IV.MOMA.HHZ. 2019-04-11T08:43:26.92 0.1 undecidable manual P 267 28.9488 50 -0.03 98
IV.MC2.EHZ. 2019-04-11T08:43:26.25 0.1 undecidable manual P 64 23.8539 50 0.1 97
IV.LNSS.HHZ. 2019-04-11T08:43:26.36 0.1 undecidable manual P 158 25.5522 50 -0.05 98
IV.FEMA.HNE. 2019-04-11T08:43:25.42 0.1 positive manual P 32 18.9699 119 0.09 98
IV.CESI.HHZ. 2019-04-11T08:43:25.67 0.1 positive manual P 355 20.9679 117 0 99
IT.MTCL.HGZ. 2019-04-11T08:43:25.57 0.3 undecidable manual P 17 20.5683 117 -0.03 74
IV.GAVE.EHZ. 2019-04-11T08:43:24.74 0.1 positive manual P 191 14.0748 127 0.25 96
IV.NRCA.HHZ. 2019-04-11T08:43:24.84 0.1 negative manual P 83 15.4734 124 0.12 98
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.GAVE.EHN. ML:1.9 0.0008524324 0.16 AML other m 2019-04-11T08:43:27.69
IV.GAVE.EHE. ML:1.9 0.0008548289500000001 0.096 AML other m 2019-04-11T08:43:27.46
IV.GAVE.HNN. ML:1.5 0.00028640735 0.1536 AML other m 2019-04-11T08:43:27.61
IV.GAVE.HNE. ML:1.9 0.00082785425 0.1728 AML other m 2019-04-11T08:43:27.65
IV.NRCA.HNN. ML:1.8 0.0006473997 0.1088 AML other m 2019-04-11T08:43:27.60
IV.NRCA.HHN. ML:1.8 0.0006894377499999999 0.1024 AML other m 2019-04-11T08:43:27.65
IV.CESI.HHE. ML:1.8 0.00040110090000000003 0.1344 AML other m 2019-04-11T08:43:29.33
IV.CESI.HHN. ML:2.0 0.0006500243999999999 0.1216 AML other m 2019-04-11T08:43:29.36
IV.LNSS.HNE. ML:1.6 0.00024582941 0.1408 AML other m 2019-04-11T08:43:30.65
IV.LNSS.HHE. ML:1.7 0.00026065261 0.1344 AML other m 2019-04-11T08:43:30.66
IV.LNSS.HNN. ML:1.7 0.0003001357 0.2304 AML other m 2019-04-11T08:43:30.67
IV.LNSS.HHN. ML:1.7 0.00029157255 0.2176 AML other m 2019-04-11T08:43:30.78
IV.FDMO.HHE. ML:1.5 0.0001542045 0.1792 AML other m 2019-04-11T08:43:31.24
IV.FDMO.HHN. ML:1.4 0.00012083579999999999 0.16 AML other m 2019-04-11T08:43:31.16
IV.MOMA.HNE. ML:1.6 0.00020949964999999999 0.1472 AML other m 2019-04-11T08:43:32.17
IV.MOMA.HHE. ML:1.6 0.00020372265000000002 0.1408 AML other m 2019-04-11T08:43:32.09
IV.MOMA.HHN. ML:1.4 0.00011290993 0.16 AML other m 2019-04-11T08:43:32.53
IV.CESX.HHN. ML:1.3 0.000087079165 0.32 AML other m 2019-04-11T08:43:33.39
IV.RM33.HNN. ML:1.6 0.00013851085 0.16 AML other m 2019-04-11T08:43:35.35
IV.RM33.EHN. ML:1.6 0.00013350124999999998 0.2368 AML other m 2019-04-11T08:43:35.27
IV.RM33.EHE. ML:1.5 0.000107881065 0.2368 AML other m 2019-04-11T08:43:35.99
IV.GUMA.HHN. ML:1.7 0.00014366575 0.3968 AML other m 2019-04-11T08:43:37.33
IV.GUMA.HNE. ML:1.8 0.00017436735 0.3008 AML other m 2019-04-11T08:43:37.20
IV.ATCC.EHN. ML:1.4 0.000064792895 0.1792 AML other m 2019-04-11T08:43:36.91
IV.ATCC.EHE. ML:1.4 0.000068398125 0.16 AML other m 2019-04-11T08:43:37.80
IV.EL6.EHE. ML:1.5 0.00006985381 0.2048 AML other m 2019-04-11T08:43:41.08
IV.EL6.EHN. ML:1.4 0.000060583650000000004 0.2432 AML other m 2019-04-11T08:43:40.68
IV.MURB.HNE. ML:1.8 0.0001388118 0.224 AML other m 2019-04-11T08:43:41.70
IV.MURB.HNN. ML:1.8 0.0001404226 0.2688 AML other m 2019-04-11T08:43:40.78
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