Earthquake with magnitude of ML 1.0 on date 23-11-2018 and time 15:50:00 (Italy) in region 7 km SE Norcia (PG)

A magnitude ML 1.0 earthquake occured in region: 7 km SE Norcia (PG), on

  • 23-11-2018 14:50:00 (UTC)
  • 23-11-2018 15:50:00 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.7500, 13.1590 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.

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 7 4957 4957
Accumoli RI 10 667 5624
Arquata del Tronto AP 12 1178 6802
Cascia PG 12 3217 10019
Cittareale RI 15 482 10501
Castelsantangelo sul Nera MC 16 281 10782
Amatrice RI 17 2657 13439
Preci PG 17 724 14163
Montegallo AP 18 523 14686
Poggiodomo PG 19 117 14803

Municipalities with at least 50000 inhabitants

An earthquake occurred to
44 Km SE of Foligno (57155 inhabitants)
46 Km W of Teramo (54892 inhabitants)
47 Km E of Terni (111501 inhabitants)
48 Km NW of L'Aquila (69753 inhabitants)
74 Km SE of Perugia (166134 inhabitants)
85 Km W of Montesilvano (53738 inhabitants)
91 Km NE of Guidonia Montecelio (88673 inhabitants)
92 Km W of Pescara (121014 inhabitants)
92 Km NE of Tivoli (56533 inhabitants)
94 Km W of Chieti (51815 inhabitants)
94 Km E of Viterbo (67173 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 1.0 2018-11-23
14:50:00
42.7498 13.1587 11 2018-11-23
15:00:51
Sala Sismica INGV-Roma 63308131
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2018-11-23 14:50:00 ± 0.06
Latitude 42.7498 ± 0.0027
Longitude 13.1587 ± 0.0049
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 63308131

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 366
Semi-minor axis of confidence ellipse (meter) 279
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 270
Circular confidence region, given by single value of horizontal uncertainty (meter) 370.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 70
Number of associated phases, regardless of their use for origin computation 26
Number of defining phases 25
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) 0.35074
Number of stations at which the event was observed 14
Number of stations from which data was used for origin computation 13
Magnitude information

ML:1.0

Field Value
Value 1.0
Uncertainty 0.2
Num. used stations 12
Type of magnitude ML
Reference to an origin 63308131
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2018-11-23 15:00:51
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.TERO.HHZ. 2018-11-23T14:50:13.08 0.3 undecidable manual S 111 38.9277 50 -0.01 73
IV.MF5.EHZ. 2018-11-23T14:50:13.22 0.3 undecidable manual S 43 36.0417 50 0.92 56
IV.CESI.HHN. 2018-11-23T14:50:11.96 0.3 undecidable manual S 324 35.0427 50 -0.08 72
IV.FDMO.HHZ. 2018-11-23T14:50:10.74 0.3 undecidable manual S 350 32.3454 50 -0.58 65
IV.CAMP.HHN. 2018-11-23T14:50:10.79 0.6 undecidable manual S 139 31.3464 50 -0.27 47
IV.RM33.EHZ. 2018-11-23T14:50:09.96 0.3 undecidable manual S 170 27.1506 50 0.03 74
IV.ASSB.HHZ. 2018-11-23T14:50:08.08 3.0 undecidable manual P -1.86 0
IV.SMA1.EHZ. 2018-11-23T14:50:08.55 0.1 undecidable manual S 100
IV.MMO1.EHZ. 2018-11-23T14:50:08.33 0.1 undecidable manual S 39 21.4674 50 -0.1 98
IV.GAVE.EHZ. 2018-11-23T14:50:08.94 0.3 undecidable manual S 254 22.4553 50 0.25 72
IV.MC2.EHZ. 2018-11-23T14:50:07.61 0.3 undecidable manual S 8 18.0708 121 0.14 74
IV.MTRA.EHZ. 2018-11-23T14:50:07.73 0.1 undecidable manual S 88 19.3695 119 -0.14 98
IV.LNSS.HHZ. 2018-11-23T14:50:07.74 0.3 undecidable manual S 211 18.9699 120 0 76
IV.TERO.HHZ. 2018-11-23T14:50:07.55 0.3 undecidable manual P 111 38.9277 50 -0.08 72
IV.MF5.EHZ. 2018-11-23T14:50:07.80 1.0 positive manual P 43 36.0417 50 0.63 21
IV.CAMP.HHN. 2018-11-23T14:50:06.35 0.3 undecidable manual P 139 31.3464 50 -0.1 73
IV.CESI.HHN. 2018-11-23T14:50:06.94 0.3 undecidable manual P 324 35.0427 50 -0.08 72
IV.FDMO.HHZ. 2018-11-23T14:50:06.56 0.3 undecidable manual P 350 32.3454 50 -0.05 73
IV.GAVE.EHZ. 2018-11-23T14:50:05.03 0.3 undecidable manual P 254 22.4553 50 -0.06 74
IV.RM33.EHZ. 2018-11-23T14:50:05.96 1.0 positive manual P 170 27.1506 50 0.16 24
IV.NRCA.HHE. 2018-11-23T14:50:05.12 0.1 undecidable manual S 339 9.9789 137 -0.14 100
IV.LNSS.HHZ. 2018-11-23T14:50:04.64 0.3 undecidable manual P 211 18.9699 120 0.1 74
IV.MC2.EHZ. 2018-11-23T14:50:04.52 0.3 undecidable manual P 8 18.0708 121 0.13 74
IV.MTRA.EHZ. 2018-11-23T14:50:04.57 0.1 undecidable manual P 88 19.3695 119 -0.04 100
IV.MMO1.EHZ. 2018-11-23T14:50:04.90 0.3 undecidable manual P 39 21.4674 50 -0.04 75
IV.NRCA.HHE. 2018-11-23T14:50:03.24 0.1 undecidable manual P 339 9.9789 137 0.13 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.MTRA.EHN. ML:1.1 0.000091266065 0.2624 AML other m 2018-11-23T14:50:08.29
IV.MTRA.HNN. ML:1.2 0.000118516075 0.2496 AML other m 2018-11-23T14:50:08.16
IV.MTRA.EHE. ML:1.2 0.00010623654499999998 0.1856 AML other m 2018-11-23T14:50:08.42
IV.LNSS.HHE. ML:1.0 0.00008273446500000001 0.1152 AML other m 2018-11-23T14:50:08.04
IV.LNSS.HHN. ML:1.2 0.0001197886 0.16 AML other m 2018-11-23T14:50:08.10
IV.GAVE.EHE. ML:1.1 0.000087447305 0.1152 AML other m 2018-11-23T14:50:09.66
IV.GAVE.HNE. ML:1.2 0.00010271217500000001 0.6912 AML other m 2018-11-23T14:50:06.87
IV.GAVE.EHN. ML:1.0 0.00006955832000000001 0.1792 AML other m 2018-11-23T14:50:09.71
IV.RM33.EHE. ML:0.8 0.00002778686 0.1152 AML other m 2018-11-23T14:50:11.14
IV.RM33.EHN. ML:0.7 0.000023137150000000003 0.1408 AML other m 2018-11-23T14:50:11.15
IV.TERO.HHN. ML:0.8 0.00002396743 0.096 AML other m 2018-11-23T14:50:13.82
IV.TERO.HHE. ML:0.8 0.000026021585 0.1408 AML other m 2018-11-23T14:50:13.85
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
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Type Description Link
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