Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 0.8 on date 16-07-2019 and time 23:27:35 (Italy) in region 5 km NE Cerreto di Spoleto (PG)

A magnitude ML 0.8 earthquake occured in region: 5 km NE Cerreto di Spoleto (PG), on

  • 16-07-2019 21:27:35 (UTC)
  • 16-07-2019 23:27:35 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.8510, 12.9640 at 11 km depth.

The earthquake was located by: Sala Sismica INGV-Roma.

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 5 1075 1075
Sellano PG 5 1079 2154
Preci PG 7 724 2878
Vallo di Nera PG 12 364 3242
Norcia PG 12 4957 8199
Visso MC 14 1107 9306
Cascia PG 15 3217 12523
Poggiodomo PG 16 117 12640
Campello sul Clitunno PG 16 2442 15082
Castelsantangelo sul Nera MC 16 281 15363
Monte Cavallo MC 16 145 15508
Sant'Anatolia di Narco PG 17 564 16072
Ussita MC 18 444 16516
Trevi PG 18 8469 24985
Scheggino PG 19 461 25446

Municipalities with at least 50000 inhabitants

An earthquake occurred to
24 Km E of Foligno (57155 inhabitants)
41 Km NE of Terni (111501 inhabitants)
55 Km SE of Perugia (166134 inhabitants)
64 Km W of Teramo (54892 inhabitants)
66 Km NW of L'Aquila (69753 inhabitants)
85 Km NE of Viterbo (67173 inhabitants)
96 Km SW of Ancona (100861 inhabitants)
97 Km N of Guidonia Montecelio (88673 inhabitants)
100 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
Reviewed
Rev100 		ML 0.8 2019-07-16
21:27:35		 42.851 12.9643 11 2019-07-16
21:35:44		 Sala Sismica INGV-Roma 70641811
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2019-07-16 21:27:35 ± 0.08
Latitude 42.8510 ± 0.0036
Longitude 12.9643 ± 0.0061
Depth (km) 11 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 70641811

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 530
Semi-minor axis of confidence ellipse (meter) 399
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 94
Circular confidence region, given by single value of horizontal uncertainty (meter) 530.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 99
Number of associated phases, regardless of their use for origin computation 28
Number of defining phases 19
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.24
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.29318
Number of stations at which the event was observed 17
Number of stations from which data was used for origin computation 10
Magnitude information

ML:0.8

Field Value
Value 0.8
Uncertainty 0.2
Num. used stations 6
Type of magnitude ML
Reference to an origin 70641811
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2019-07-16 21:35:44
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.PETRA.HHZ. 2019-07-16T21:29:02.35 3.0 negative manual Pg 16.24 0
IV.CMPR.HHZ. 2019-07-16T21:28:53.39 3.0 undecidable manual Sn -1.92 0
IV.MBAL.EHZ. 2019-07-16T21:28:52.38 3.0 undecidable manual Sn -2.08 0
IV.IMI.HHZ. 2019-07-16T21:28:37.22 3.0 negative manual Pg 9.92 0
IV.CMPR.HHZ. 2019-07-16T21:28:26.61 3.0 undecidable manual Pg 8.28 0
IV.DGI.HHZ. 2019-07-16T21:28:19.24 3.0 undecidable manual Pn -5.72 0
IV.MBAL.EHZ. 2019-07-16T21:28:18.49 3.0 positive manual Pg 0.64 0
IV.PTRJ.HNZ. 2019-07-16T21:28:02.62 3.0 undecidable manual Pn 0.57 0
IV.MMO1.HNZ. 2019-07-16T21:27:46.10 0.3 undecidable manual S 80 29.9478 50 -0.32 69
IV.MML1.HNZ. 2019-07-16T21:27:46.22 0.3 undecidable manual S 1 29.1486 50 0.01 72
IV.FDMO.HHZ. 2019-07-16T21:27:44.29 0.1 undecidable manual S 26 22.8549 50 -0.25 95
IV.MC2.EHZ. 2019-07-16T21:27:44.06 0.6 undecidable manual S 70 19.4694 118 0.52 45
IV.ARVD.HHZ. 2019-07-16T21:27:43.08 3.0 negative manual P -0.42 0
IV.GAVE.EHZ. 2019-07-16T21:27:43.13 0.3 undecidable manual S 198 18.5703 120 -0.12 72
IV.CESI.HNZ. 2019-07-16T21:27:42.96 0.1 undecidable manual S 344 17.7711 121 -0.06 98
IV.FEMA.HNZ. 2019-07-16T21:27:42.12 0.3 undecidable manual S 29 14.1747 127 0.14 74
IV.MOMA.HHZ. 2019-07-16T21:27:42.57 0.1 undecidable manual P 261 32.5452 50 0.22 92
IT.MTCL.HGZ. 2019-07-16T21:27:42.24 0.3 undecidable manual S 10 16.0728 123 -0.3 70
IV.MMO1.HNZ. 2019-07-16T21:27:41.97 0.1 undecidable manual P 80 29.9478 50 0.01 97
IV.MML1.HNZ. 2019-07-16T21:27:41.81 0.1 undecidable manual P 1 29.1486 50 -0.02 97
IV.NRCA.HHZ. 2019-07-16T21:27:41.28 0.3 undecidable manual S 99 12.3765 131 -0.21 71
IV.GAVE.EHZ. 2019-07-16T21:27:40.12 0.1 undecidable manual P 198 18.5703 120 -0.01 98
IV.FDMO.HHZ. 2019-07-16T21:27:40.70 0.1 undecidable manual P 26 22.8549 50 -0.17 96
IV.MC2.EHZ. 2019-07-16T21:27:40.96 0.1 undecidable manual P 70 19.4694 118 0.67 85
IV.CESI.HNZ. 2019-07-16T21:27:40.04 0.1 undecidable manual P 344 17.7711 121 0.04 99
IT.MTCL.HGZ. 2019-07-16T21:27:39.75 0.1 undecidable manual P 10 16.0728 123 0.03 100
IV.NRCA.HHZ. 2019-07-16T21:27:39.12 0.1 undecidable manual P 99 12.3765 131 0 100
IV.FEMA.HNZ. 2019-07-16T21:27:39.57 0.1 undecidable manual P 29 14.1747 127 0.18 98
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.FDMO.HHN. ML:0.7 0.000028499999999999998 0.14 AML other m 2019-07-16T21:27:44.50
IV.FDMO.HHE. ML:1.0 0.00006145 0.2 AML other m 2019-07-16T21:27:44.42
IV.GAVE.EHE. ML:0.6 0.000033892945 0.1024 AML other m 2019-07-16T21:27:43.52
IV.GAVE.EHN. ML:0.6 0.000028218615000000002 0.1664 AML other m 2019-07-16T21:27:44.80
IV.GAVE.HNE. ML:1.0 0.000071730685 0.5248 AML other m 2019-07-16T21:27:43.38
IV.GAVE.HNN. ML:1.0 0.00007756294 0.9088 AML other m 2019-07-16T21:27:42.95
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