Earthquake with magnitude of ML 1.4 on date 27-10-2019 and time 17:00:45 (Italy) in region 4 km E Norcia (PG)

A magnitude ML 1.4 earthquake occured in region: 4 km E Norcia (PG), on

  • 27-10-2019 16:00:45 (UTC)
  • 27-10-2019 17:00:45 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.7740, 13.1410 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.

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 4 4957 4957
Cascia PG 12 3217 8174
Accumoli RI 12 667 8841
Arquata del Tronto AP 13 1178 10019
Castelsantangelo sul Nera MC 14 281 10300
Preci PG 14 724 11024
Cittareale RI 17 482 11506
Montegallo AP 18 523 12029
Visso MC 18 1107 13136
Poggiodomo PG 18 117 13253
Cerreto di Spoleto PG 19 1075 14328
Ussita MC 19 444 14772

Municipalities with at least 50000 inhabitants

An earthquake occurred to
41 Km SE of Foligno (57155 inhabitants)
47 Km NE of Terni (111501 inhabitants)
48 Km W of Teramo (54892 inhabitants)
52 Km NW of L'Aquila (69753 inhabitants)
72 Km SE of Perugia (166134 inhabitants)
87 Km W of Montesilvano (53738 inhabitants)
92 Km NE of Guidonia Montecelio (88673 inhabitants)
94 Km E of Viterbo (67173 inhabitants)
94 Km W of Pescara (121014 inhabitants)
94 Km NE of Tivoli (56533 inhabitants)
96 Km W of Chieti (51815 inhabitants)
99 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 1.4 2019-10-27
16:00:45
42.7742 13.1408 10 2019-10-27
16:09:09
Sala Sismica INGV-Roma 73475411
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2019-10-27 16:00:45 ± 0.08
Latitude 42.7742 ± 0.0045
Longitude 13.1408 ± 0.0074
Depth (km) 10 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 73475411

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 615
Semi-minor axis of confidence ellipse (meter) 396
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 115
Circular confidence region, given by single value of horizontal uncertainty (meter) 620.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 120
Number of associated phases, regardless of their use for origin computation 19
Number of defining phases 19
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.23
Epicentral distance of station closest to the epicenter (degree) 0.06295
Epicentral distance of station farthest from the epicenter (degree) 0.37232
Number of stations at which the event was observed 11
Number of stations from which data was used for origin computation 11
Magnitude information

ML:1.4

Field Value
Value 1.4
Uncertainty 0.3
Num. used stations 8
Type of magnitude ML
Reference to an origin 73475411
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2019-10-27 16:09:09
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MF5.EHZ. 2019-10-27T16:00:58.88 0.6 undecidable manual S 47 35.1426 50 0.77 40
IV.CSP1.EHZ. 2019-10-27T16:00:57.97 0.6 undecidable manual S 8 35.6421 50 -0.27 47
IV.CESI.HNE. 2019-10-27T16:00:57.01 0.6 undecidable manual S 323 32.0457 50 -0.26 47
IV.TERO.HHZ. 2019-10-27T16:00:54.65 1.0 undecidable manual P 114 41.3253 50 0.74 20
IV.MF5.EHZ. 2019-10-27T16:00:53.14 0.3 undecidable manual P 47 35.1426 50 0.19 71
IV.MMO1.EHZ. 2019-10-27T16:00:53.44 0.6 undecidable manual S 47 20.5683 115 -0.34 47
IV.LNSS.HHZ. 2019-10-27T16:00:53.84 0.6 undecidable manual S 203 20.6682 115 0.02 50
IV.MTRA.EHZ. 2019-10-27T16:00:53.42 0.6 undecidable manual S 95 20.9679 114 -0.47 46
IV.MC2.EHZ. 2019-10-27T16:00:52.56 0.6 undecidable manual S 14 15.7731 121 0.26 48
IV.CSP1.EHZ. 2019-10-27T16:00:52.83 0.6 undecidable manual P 8 35.6421 50 -0.2 47
IV.CESI.HNE. 2019-10-27T16:00:52.39 0.3 undecidable manual P 323 32.0457 50 -0.08 73
IV.FDMO.HHZ. 2019-10-27T16:00:51.85 0.3 undecidable manual P 352 29.4483 50 -0.23 71
IV.RM33.EHZ. 2019-10-27T16:00:51.91 1.0 undecidable manual P 168 30.0477 50 -0.26 24
IV.LNSS.HHZ. 2019-10-27T16:00:50.56 0.1 undecidable manual P 203 20.6682 115 0.08 100
IV.MTRA.EHZ. 2019-10-27T16:00:50.32 0.6 undecidable manual P 95 20.9679 114 -0.2 49
IV.MMO1.EHZ. 2019-10-27T16:00:50.41 0.6 undecidable manual P 47 20.5683 115 -0.05 50
IV.MC2.EHZ. 2019-10-27T16:00:49.84 0.1 undecidable manual P 14 15.7731 121 0.24 97
IV.NRCA.HHZ. 2019-10-27T16:00:49.88 0.6 undecidable manual S 342 6.993 144 -0.13 51
IV.NRCA.HHZ. 2019-10-27T16:00:48.46 0.1 undecidable manual P 342 6.993 144 0.18 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.NRCA.HHE. ML:1.6 0.0007025 1.84 AML other m 2019-10-27T16:00:49.96
IV.NRCA.HHN. ML:1.6 0.0006919999999999999 1.9 AML other m 2019-10-27T16:00:50.95
IV.MTRA.EHE. ML:1.3 0.00014450000000000002 0.32 AML other m 2019-10-27T16:00:53.91
IV.MTRA.EHN. ML:1.2 0.000125 0.18 AML other m 2019-10-27T16:00:53.99
IV.LNSS.HHN. ML:1.5 0.000237 0.28 AML other m 2019-10-27T16:00:54.39
IV.LNSS.HHE. ML:1.5 0.00023999999999999998 0.38 AML other m 2019-10-27T16:00:54.22
IV.FDMO.HHN. ML:0.8 0.000034049999999999994 0.26 AML other m 2019-10-27T16:00:56.50
IV.FDMO.HHE. ML:0.8 0.0000284 0.92 AML other m 2019-10-27T16:00:56.06
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