Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.2 on date 09-10-2019 and time 17:10:32 (Italy) in region 3 km W Norcia (PG)

A magnitude ML 1.2 earthquake occured in region: 3 km W Norcia (PG), on

  • 09-10-2019 15:10:32 (UTC)
  • 09-10-2019 17:10:32 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.8010, 13.0580 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
Preci PG 9 724 5681
Cascia PG 10 3217 8898
Cerreto di Spoleto PG 12 1075 9973
Castelsantangelo sul Nera MC 13 281 10254
Poggiodomo PG 14 117 10371
Sellano PG 15 1079 11450
Visso MC 15 1107 12557
Vallo di Nera PG 16 364 12921
Ussita MC 17 444 13365
Monteleone di Spoleto PG 19 599 13964
Accumoli RI 19 667 14631
Sant'Anatolia di Narco PG 20 564 15195
Arquata del Tronto AP 20 1178 16373

Municipalities with at least 50000 inhabitants

An earthquake occurred to
34 Km SE of Foligno (57155 inhabitants)
43 Km NE of Terni (111501 inhabitants)
55 Km W of Teramo (54892 inhabitants)
57 Km NW of L'Aquila (69753 inhabitants)
64 Km SE of Perugia (166134 inhabitants)
89 Km E of Viterbo (67173 inhabitants)
93 Km N of Guidonia Montecelio (88673 inhabitants)
95 Km W of Montesilvano (53738 inhabitants)
95 Km N of Tivoli (56533 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 1.2 2019-10-09
15:10:32		 42.8008 13.0583 11 2019-10-09
15:19:05		 Sala Sismica INGV-Roma 73160231
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2019-10-09 15:10:32 ± 0.28
Latitude 42.8008 ± 0.0153
Longitude 13.0583 ± 0.0110
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 73160231

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1761
Semi-minor axis of confidence ellipse (meter) 857
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 190
Circular confidence region, given by single value of horizontal uncertainty (meter) 1760.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 268
Number of associated phases, regardless of their use for origin computation 19
Number of defining phases 12
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) 0.31027
Number of stations at which the event was observed 11
Number of stations from which data was used for origin computation 6
Magnitude information

ML:1.2

Field Value
Value 1.2
Uncertainty 0.4
Num. used stations 16
Type of magnitude ML
Reference to an origin 73160231
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2019-10-09 15:19:05
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.VVLD.HHZ. 2019-10-09T15:11:04.03 3.0 undecidable manual S 0.01 0
TV.SF01.EHZ. 2019-10-09T15:10:53.47 3.0 undecidable manual P 2.71 0
IV.MURB.HNZ. 2019-10-09T15:10:51.91 3.0 undecidable manual S -2.32 0
IV.FOSV.EHZ. 2019-10-09T15:10:50.41 3.0 undecidable manual S -2.42 0
IV.RM33.EHZ. 2019-10-09T15:10:44.49 3.0 undecidable manual S 0
IV.CSP1.EHZ. 2019-10-09T15:10:44.63 0.6 undecidable manual S 20 34.4433 50 0.38 45
IV.MURB.HHZ. 2019-10-09T15:10:43.40 3.0 positive manual P -0.59 0
IV.FDMO.HHZ. 2019-10-09T15:10:41.93 0.6 undecidable manual S 5 26.2515 50 -0.14 48
IV.CESI.HHZ. 2019-10-09T15:10:41.86 0.6 undecidable manual S 331 25.8519 50 -0.1 49
IV.MMO1.EHZ. 2019-10-09T15:10:41.40 0.3 undecidable manual S 63 24.4533 50 -0.18 73
IV.MC2.EHZ. 2019-10-09T15:10:39.53 0.3 undecidable manual S 41 16.2726 123 0.33 73
IV.CSP1.EHZ. 2019-10-09T15:10:38.88 0.3 undecidable manual P 20 34.4433 50 -0.4 68
IV.FDMO.HHZ. 2019-10-09T15:10:38.00 0.6 positive manual P 5 26.2515 50 -0.02 49
IV.CESI.HHZ. 2019-10-09T15:10:38.04 0.3 undecidable manual P 331 25.8519 50 0.08 72
IV.MMO1.EHZ. 2019-10-09T15:10:37.77 0.6 positive manual P 63 24.4533 50 0.03 48
IV.RM33.EHZ. 2019-10-09T15:10:37.12 3.0 undecidable manual P 0
IV.MC2.EHZ. 2019-10-09T15:10:36.70 0.6 negative manual P 41 16.2726 123 0.33 48
IV.NRCA.HHZ. 2019-10-09T15:10:36.50 0.3 undecidable manual S 51 5.7942 151 -0.17 72
IV.NRCA.HHZ. 2019-10-09T15:10:35.07 0.1 negative manual P 51 5.7942 151 0.17 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.NRCA.HHE. ML:1.2 0.0002691733 0.1408 AML other m 2019-10-09T15:10:36.63
IV.NRCA.HHN. ML:1.4 0.0003896015 0.1408 AML other m 2019-10-09T15:10:36.61
IV.NRCA.HNE. ML:1.2 0.00025166615 0.064 AML other m 2019-10-09T15:10:36.75
IV.NRCA.HNN. ML:1.3 0.00031957795 0.1536 AML other m 2019-10-09T15:10:36.54
IV.FDMO.HHE. ML:0.6 0.00001757077 0.1792 AML other m 2019-10-09T15:10:42.69
IV.FDMO.HHN. ML:0.7 0.00002557469 0.1664 AML other m 2019-10-09T15:10:42.52
IV.CESI.HNE. ML:1.3 0.000114510495 0.768 AML other m 2019-10-09T15:10:48.54
IV.CESI.HNN. ML:1.4 0.0001420223 0.704 AML other m 2019-10-09T15:10:48.36
IV.CESI.HHE. ML:0.8 0.00003868622 0.0768 AML other m 2019-10-09T15:10:42.35
IV.CESI.HHN. ML:1.1 0.00006905900500000001 0.1664 AML other m 2019-10-09T15:10:42.14
IV.CSP1.EHE. ML:0.7 0.000018615625 0.7168 AML other m 2019-10-09T15:10:58.72
IV.CSP1.EHN. ML:0.8 0.000023432347999999997 0.4736 AML other m 2019-10-09T15:10:47.64
IV.MURB.HHE. ML:1.7 0.000086330945 0.1536 AML other m 2019-10-09T15:10:44.81
IV.MURB.HHN. ML:1.8 0.00012281564 0.1664 AML other m 2019-10-09T15:10:44.76
IV.MURB.HNE. ML:2.3 0.00033690589999999996 1.0112 AML other m 2019-10-09T15:11:03.87
IV.MURB.HNN. ML:1.8 0.0001140141 0.2432 AML other m 2019-10-09T15:11:04.38
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