Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 0.8 on date 27-10-2019 and time 11:48:48 (Italy) in region 5 km E Norcia (PG)

A magnitude ML 0.8 earthquake occured in region: 5 km E Norcia (PG), on

  • 27-10-2019 10:48:48 (UTC)
  • 27-10-2019 11:48:48 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.7740, 13.1550 at 10 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 6 4957 4957
Accumoli RI 12 667 5624
Arquata del Tronto AP 12 1178 6802
Cascia PG 13 3217 10019
Castelsantangelo sul Nera MC 14 281 10300
Preci PG 15 724 11024
Montegallo AP 17 523 11547
Cittareale RI 17 482 12029
Visso MC 18 1107 13136
Ussita MC 19 444 13580
Poggiodomo PG 19 117 13697
Amatrice RI 19 2657 16354
Montemonaco AP 20 604 16958

Municipalities with at least 50000 inhabitants

An earthquake occurred to
42 Km E of Foligno (57155 inhabitants)
47 Km W of Teramo (54892 inhabitants)
48 Km NE of Terni (111501 inhabitants)
51 Km NW of L'Aquila (69753 inhabitants)
73 Km SE of Perugia (166134 inhabitants)
86 Km W of Montesilvano (53738 inhabitants)
93 Km NE of Guidonia Montecelio (88673 inhabitants)
93 Km W of Pescara (121014 inhabitants)
95 Km E of Viterbo (67173 inhabitants)
95 Km NE of Tivoli (56533 inhabitants)
95 Km NW 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 0.8 2019-10-27
10:48:48		 42.7738 13.1552 10 2019-10-27
11:02:01		 Sala Sismica INGV-Roma 73469761
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2019-10-27 10:48:48 ± 0.08
Latitude 42.7738 ± 0.0036
Longitude 13.1552 ± 0.0074
Depth (km) 10 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 73469761

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 682
Semi-minor axis of confidence ellipse (meter) 175
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 59
Circular confidence region, given by single value of horizontal uncertainty (meter) 680.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 151
Number of associated phases, regardless of their use for origin computation 38
Number of defining phases 21
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.21
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.36512
Number of stations at which the event was observed 27
Number of stations from which data was used for origin computation 11
Magnitude information

ML:0.8

Field Value
Value 0.8
Uncertainty 0.4
Num. used stations 20
Type of magnitude ML
Reference to an origin 73469761
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2019-10-27 11:02:01
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
OX.MPRI.HHZ. 2019-10-27T10:50:38.13 3.0 undecidable manual Sg 12.05 0
GU.RRL.HHZ. 2019-10-27T10:50:13.60 3.0 undecidable manual Pg 14.48 0
IV.MNTV.HNZ. 2019-10-27T10:50:05.31 3.0 undecidable manual Sn -3.73 0
IV.ECTS.EHZ. 2019-10-27T10:49:57.75 3.0 undecidable manual Pn -2.32 0
IV.ZCCA.HHZ. 2019-10-27T10:49:55.52 3.0 undecidable manual Sg 4.44 0
IT.ORP.HGZ. 2019-10-27T10:49:54.03 3.0 undecidable manual Sg 2.18 0
IV.IST3.HHZ. 2019-10-27T10:49:52.69 3.0 negative manual Pn 3.82 0
IV.CTI.HHZ. 2019-10-27T10:49:38.81 3.0 undecidable manual Pn -1.05 0
IV.TREG.HNZ. 2019-10-27T10:49:34.54 3.0 undecidable manual Pn 0.03 0
IV.IMOL.HNZ. 2019-10-27T10:49:19.08 3.0 negative manual Pg 1.47 0
IV.FRON.EHZ. 2019-10-27T10:49:15.16 3.0 undecidable manual S -2.73 0
IV.VIVA.HHZ. 2019-10-27T10:49:11.55 3.0 undecidable manual S -3.77 0
IV.COR1.EHZ. 2019-10-27T10:49:02.94 3.0 undecidable manual P 0
IV.MML1.EHE. 2019-10-27T10:49:01.71 0.6 undecidable manual S 338 40.5261 50 -0.04 47
IV.TERO.HHZ. 2019-10-27T10:49:01.56 0.3 undecidable manual S 114 40.2264 50 -0.12 70
IV.ASSB.HHZ. 2019-10-27T10:49:00.68 3.0 undecidable manual S -1.13 0
IV.LAV9.HNZ. 2019-10-27T10:49:00.45 3.0 positive manual P -2.34 0
IV.CSP1.EHZ. 2019-10-27T10:49:00.57 0.3 undecidable manual S 6 35.5422 50 0.16 70
IV.CAMP.HHE. 2019-10-27T10:48:59.87 0.3 undecidable manual S 142 33.5442 50 -0.02 72
IV.CESI.HHE. 2019-10-27T10:48:59.57 0.3 undecidable manual S 322 32.745 50 -0.1 71
IV.FDMO.HHZ. 2019-10-27T10:48:58.68 0.3 undecidable manual S 349 29.6481 50 -0.17 70
IV.RM33.EHZ. 2019-10-27T10:48:58.91 0.3 undecidable manual S 171 29.748 50 0.03 72
IV.TERO.HHZ. 2019-10-27T10:48:56.21 0.3 undecidable manual P 114 40.2264 50 0.18 69
IV.MML1.EHE. 2019-10-27T10:48:56.33 0.6 undecidable manual P 338 40.5261 50 0.25 45
IV.CSP1.EHZ. 2019-10-27T10:48:55.29 0.1 undecidable manual P 6 35.5422 50 -0.01 96
IV.MC2.EHZ. 2019-10-27T10:48:55.08 0.3 undecidable manual S 10 15.4734 124 0.27 71
IV.MTRA.EHZ. 2019-10-27T10:48:55.79 0.3 undecidable manual S 95 19.7691 118 -0.28 70
IV.CESI.HHE. 2019-10-27T10:48:54.93 0.3 undecidable manual P 322 32.745 50 0.05 72
IV.CAMP.HHE. 2019-10-27T10:48:54.18 0.6 undecidable manual P 142 33.5442 50 -0.83 38
IV.FDMO.HHZ. 2019-10-27T10:48:54.27 0.3 undecidable manual P 349 29.6481 50 -0.13 71
IV.RM33.EHZ. 2019-10-27T10:48:54.70 0.3 undecidable manual P 171 29.748 50 0.28 69
IV.SMA1.EHZ. 2019-10-27T10:48:53.46 0.3 undecidable manual P 137 21.6672 116 0.32 69
IV.MTRA.EHZ. 2019-10-27T10:48:52.84 0.3 undecidable manual P 95 19.7691 118 0.04 73
IV.ASSB.HHZ. 2019-10-27T10:48:52.29 3.0 undecidable manual P -1.49 0
IV.MC2.EHZ. 2019-10-27T10:48:52.28 0.1 undecidable manual P 10 15.4734 124 0.21 95
IV.NRCA.HHZ. 2019-10-27T10:48:52.41 0.1 undecidable manual S 333 7.3815 145 -0.35 94
IV.NRCA.HHZ. 2019-10-27T10:48:50.93 0.1 undecidable manual P 333 7.3815 145 0.04 100
IV.ARRO.EHZ. 2019-10-27T10:48:43.89 3.0 undecidable manual P -0.7 0
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.ARRO.EHE. ML:0.6 0.0000169521645 0.0576 AML other m 2019-10-27T10:48:44.92
IV.ARRO.EHN. ML:0.8 0.00002584889 0.1216 AML other m 2019-10-27T10:48:45.04
IV.NRCA.HHE. ML:1.6 0.0006126659 0.0768 AML other m 2019-10-27T10:48:52.45
IV.NRCA.HHN. ML:1.5 0.0005212766 0.1216 AML other m 2019-10-27T10:48:52.45
IV.NRCA.HNE. ML:1.6 0.00059107535 0.0768 AML other m 2019-10-27T10:48:52.45
IV.NRCA.HNN. ML:1.5 0.00045735739999999995 0.1408 AML other m 2019-10-27T10:48:52.44
IV.SMA1.EHE. ML:0.6 0.000024756195 0.3776 AML other m 2019-10-27T10:49:04.09
IV.SMA1.EHN. ML:0.6 0.000025220095 0.32 AML other m 2019-10-27T10:48:59.93
IV.FDMO.HHE. ML:0.6 0.000019483715 0.1792 AML other m 2019-10-27T10:48:58.00
IV.FDMO.HHN. ML:0.7 0.0000225857 0.256 AML other m 2019-10-27T10:48:58.98
IV.RM33.HNE. ML:1.4 0.00011315933 0.8192 AML other m 2019-10-27T10:49:09.41
IV.RM33.HNN. ML:1.5 0.0001607888 1.088 AML other m 2019-10-27T10:49:01.96
IV.RM33.EHE. ML:0.5 0.000014665008999999999 0.1216 AML other m 2019-10-27T10:48:59.60
IV.RM33.EHN. ML:0.5 0.0000138623525 0.1408 AML other m 2019-10-27T10:48:59.87
IV.CSP1.EHE. ML:0.7 0.000021745428 0.3008 AML other m 2019-10-27T10:49:02.49
IV.CSP1.EHN. ML:0.9 0.0000297784085 0.2816 AML other m 2019-10-27T10:49:02.62
IV.TERO.HHE. ML:0.2 0.0000071170195 0.0576 AML other m 2019-10-27T10:49:02.55
IV.TERO.HHN. ML:0.5 0.000008626545499999999 0.064 AML other m 2019-10-27T10:49:03.08
IV.TERO.HNE. ML:1.2 0.000057726455 0.7104 AML other m 2019-10-27T10:49:11.78
IV.TERO.HNN. ML:1.3 0.00006916864 0.8704 AML other m 2019-10-27T10:49:10.32
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