Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 0.6 on date 19-07-2019 and time 10:28:40 (UTC) in region 3 km E Norcia (PG)

A magnitude ML 0.6 earthquake occured in region: 3 km E Norcia (PG), on

  • 19-07-2019 10:28:40 (UTC)
  • 19-07-2019 12:28:40 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.7820, 13.1210 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
Norcia PG 3 4957 4957
Cascia PG 11 3217 8174
Preci PG 13 724 8898
Castelsantangelo sul Nera MC 13 281 9179
Accumoli RI 14 667 9846
Arquata del Tronto AP 14 1178 11024
Visso MC 17 1107 12131
Poggiodomo PG 17 117 12248
Cerreto di Spoleto PG 17 1075 13323
Ussita MC 18 444 13767
Cittareale RI 19 482 14249
Montegallo AP 19 523 14772
Sellano PG 20 1079 15851
Monteleone di Spoleto PG 20 599 16450

Municipalities with at least 50000 inhabitants

An earthquake occurred to
39 Km SE of Foligno (57155 inhabitants)
46 Km NE of Terni (111501 inhabitants)
50 Km W of Teramo (54892 inhabitants)
53 Km NW of L'Aquila (69753 inhabitants)
70 Km SE of Perugia (166134 inhabitants)
89 Km W of Montesilvano (53738 inhabitants)
92 Km E of Viterbo (67173 inhabitants)
93 Km NE of Guidonia Montecelio (88673 inhabitants)
95 Km N of Tivoli (56533 inhabitants)
96 Km W of Pescara (121014 inhabitants)
98 Km W of Chieti (51815 inhabitants)
98 Km SW of Ancona (100861 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 0.6 2019-07-19
10:28:40		 42.7822 13.1213 11 2019-07-19
10:35:02		 Sala Sismica INGV-Roma 70706781
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2019-07-19 10:28:40 ± 0.13
Latitude 42.7822 ± 0.0054
Longitude 13.1213 ± 0.0184
Depth (km) 11 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 70706781

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1371
Semi-minor axis of confidence ellipse (meter) 833
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 97
Circular confidence region, given by single value of horizontal uncertainty (meter) 1370.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 177
Number of associated phases, regardless of their use for origin computation 15
Number of defining phases 13
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.25
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.33095
Number of stations at which the event was observed 9
Number of stations from which data was used for origin computation 7
Magnitude information

ML:0.6

Field Value
Value 0.6
Uncertainty 0.2
Num. used stations 6
Type of magnitude ML
Reference to an origin 70706781
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2019-07-19 10:35:02
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.FDMO.HHZ. 2019-07-19T10:28:49.95 0.6 undecidable manual S 354 28.3494 91 -0.58 44
IV.LNSS.HHZ. 2019-07-19T10:28:48.43 0.6 undecidable manual S 198 20.9679 91 -0.13 50
IV.FEMA.HNZ. 2019-07-19T10:28:48.15 0.6 undecidable manual S 344 20.7681 91 -0.37 46
IV.GAVE.EHZ. 2019-07-19T10:28:48.97 0.6 undecidable manual S 242 21.0678 91 0.39 45
IV.MC2.EHZ. 2019-07-19T10:28:47.29 0.3 undecidable manual S 21 15.3735 94 0.22 71
IV.ARRO.EHE. 2019-07-19T10:28:47.58 0.1 undecidable manual P 232 36.741 90 -0.01 95
IV.FDMO.HHZ. 2019-07-19T10:28:46.10 1.0 positive manual P 354 28.3494 91 -0.19 24
IV.GAVE.EHZ. 2019-07-19T10:28:45.31 0.3 negative manual P 242 21.0678 91 0.14 71
IV.LNSS.HHZ. 2019-07-19T10:28:45.00 0.1 undecidable manual P 198 20.9679 91 -0.16 98
IV.MTRA.EHZ. 2019-07-19T10:28:45.50 3.0 undecidable manual P 0.01 0
IV.MMO1.EHZ. 2019-07-19T10:28:45.01 3.0 negative manual P -0.06 0
IV.FEMA.HNZ. 2019-07-19T10:28:45.61 0.1 undecidable manual P 344 20.7681 91 0.48 88
IV.MC2.EHZ. 2019-07-19T10:28:44.26 0.1 undecidable manual P 21 15.3735 94 -0.03 99
IV.NRCA.HHZ. 2019-07-19T10:28:44.69 0.3 undecidable manual S 354 5.6943 144 -0.17 74
IV.NRCA.HHZ. 2019-07-19T10:28:43.07 0.1 undecidable manual P 354 5.6943 144 0.05 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.GAVE.EHE. ML:0.7 0.00003430845 0.5824 AML other m 2019-07-19T10:28:49.31
IV.GAVE.EHN. ML:0.7 0.00003628997 0.6208 AML other m 2019-07-19T10:28:49.15
IV.MTRA.EHE. ML:0.7 0.00002966659 0.16 AML other m 2019-07-19T10:28:48.82
IV.MTRA.EHN. ML:0.8 0.00004498953 0.2432 AML other m 2019-07-19T10:28:50.73
IV.FDMO.HHE. ML:0.3 0.000011130899999999999 0.1408 AML other m 2019-07-19T10:28:50.88
IV.FDMO.HHN. ML:0.3 0.000008147955500000002 0.1408 AML other m 2019-07-19T10:28:51.07
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