Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.5 on date 23-02-2019 and time 07:59:41 (Italy) in region 2 km SE Norcia (PG)

A magnitude ML 1.5 earthquake occured in region: 2 km SE Norcia (PG), on

  • 23-02-2019 06:59:41 (UTC)
  • 23-02-2019 07:59:41 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.7820, 13.1040 at 10 km depth.

The earthquake was located by: Bollettino Sismico Italiano INGV.

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 2 4957 4957
Cascia PG 10 3217 8174
Preci PG 12 724 8898
Castelsantangelo sul Nera MC 13 281 9179
Accumoli RI 15 667 9846
Poggiodomo PG 16 117 9963
Cerreto di Spoleto PG 16 1075 11038
Arquata del Tronto AP 16 1178 12216
Visso MC 17 1107 13323
Ussita MC 18 444 13767
Sellano PG 19 1079 14846
Cittareale RI 19 482 15328
Monteleone di Spoleto PG 19 599 15927
Vallo di Nera PG 20 364 16291

Municipalities with at least 50000 inhabitants

An earthquake occurred to
38 Km SE of Foligno (57155 inhabitants)
45 Km NE of Terni (111501 inhabitants)
51 Km W of Teramo (54892 inhabitants)
54 Km NW of L'Aquila (69753 inhabitants)
69 Km SE of Perugia (166134 inhabitants)
91 Km W of Montesilvano (53738 inhabitants)
91 Km E of Viterbo (67173 inhabitants)
92 Km NE of Guidonia Montecelio (88673 inhabitants)
94 Km N of Tivoli (56533 inhabitants)
98 Km W of Pescara (121014 inhabitants)
99 Km SW of Ancona (100861 inhabitants)
99 Km W of Chieti (51815 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
Bulletin
Rev1000 		ML 1.5 2019-02-23
06:59:41		 42.7818 13.1037 10 2019-08-22
08:24:51		 Bollettino Sismico Italiano INGV 65939511
Reviewed
Rev100 		ML 1.5 2019-02-23
06:59:41		 42.7807 13.1055 10 2019-02-23
07:11:14		 Sala Sismica INGV-Roma 65827391
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2019-02-23 06:59:41 ± 0.06
Latitude 42.7818 ± 0.0027
Longitude 13.1037 ± 0.0049
Depth (km) 10 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 65939511

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 432
Semi-minor axis of confidence ellipse (meter) 155
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 73
Circular confidence region, given by single value of horizontal uncertainty (meter) 430.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 114
Number of associated phases, regardless of their use for origin computation 58
Number of defining phases 33
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) 0.54679
Number of stations at which the event was observed 40
Number of stations from which data was used for origin computation 18
Magnitudes information

ML:1.5

Field Value
Value 1.5
Uncertainty 0.3
Num. used stations 24
Type of magnitude ML
Reference to an origin 65827391
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2019-02-23 07:11:14

ML:1.5

Field Value
Value 1.5
Uncertainty 0.2
Num. used stations 16
Type of magnitude ML
Reference to an origin 65939511
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2019-02-25 07:49:41
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.NDIM.HHZ. 2019-02-23T07:00:59.20 3.0 undecidable manual Sg 5.19 0
IV.IVPL.HHZ. 2019-02-23T07:00:59.91 3.0 undecidable manual Pg 10.39 0
IV.MTGR.HHZ. 2019-02-23T07:00:57.46 3.0 undecidable manual Pn 5.45 0
IX.SFL3.HNZ.01 2019-02-23T07:00:55.11 3.0 undecidable manual Sn -5.77 0
IT.ORP.HGZ. 2019-02-23T07:00:53.23 3.0 undecidable manual Sg 4.65 0
IV.ORI.HHZ. 2019-02-23T07:00:52.41 3.0 undecidable manual Pg 14.23 0
IV.SGRT.HHZ. 2019-02-23T07:00:51.51 3.0 undecidable manual Sn 1.72 0
IV.IFOR.HHZ. 2019-02-23T07:00:42.08 3.0 undecidable manual Sn -2.43 0
IV.GATE.HHZ. 2019-02-23T07:00:40.21 3.0 undecidable manual Sg 0.3 0
IV.VITU.HNZ. 2019-02-23T07:00:39.53 3.0 undecidable manual Sn -2.31 0
IV.MODR.HHZ. 2019-02-23T07:00:36.55 3.0 undecidable manual Sg 1.62 0
IV.SLCN.HHZ. 2019-02-23T07:00:32.65 3.0 undecidable manual Pg 3.73 0
IV.PTRJ.HHZ. 2019-02-23T07:00:32.28 3.0 undecidable manual Sn -5.02 0
IX.SFL3.HNZ.01 2019-02-23T07:00:31.70 3.0 positive manual Pg 7.15 0
IX.SNR3.HHZ.02 2019-02-23T07:00:25.32 3.0 undecidable manual Pg 3 0
IV.MTMR.HNZ. 2019-02-23T07:00:25.11 3.0 undecidable manual Pg 5.98 0
IT.ORP.HGZ. 2019-02-23T07:00:23.94 3.0 undecidable manual Pg 6.3 0
IV.INTR.HNZ. 2019-02-23T07:00:14.09 3.0 undecidable manual S -3.57 0
IT.VNF1.HGZ. 2019-02-23T07:00:04.54 3.0 negative manual P -2.4 0
IV.POFI.HHZ. 2019-02-23T07:00:01.05 3.0 undecidable manual P -1.24 0
IV.EL6.EHZ. 2019-02-23T07:00:00.88 0.6 undecidable manual S 360 60.6948 50 0.59 41
IV.INTR.HNZ. 2019-02-23T06:59:55.94 3.0 undecidable manual P -4.33 0
IV.TERO.HHZ. 2019-02-23T06:59:55.74 0.6 undecidable manual S 113 44.4222 50 -0.2 46
IV.MCIV.CHZ. 2019-02-23T06:59:55.08 3.0 negative manual P -0.68 0
IV.MF5.EHZ. 2019-02-23T06:59:54.57 0.6 undecidable manual S 52 36.8298 50 0.65 41
IV.PF6.EHE. 2019-02-23T06:59:54.69 0.6 undecidable manual S 11 40.1265 50 -0.12 47
IV.EL6.EHZ. 2019-02-23T06:59:52.35 0.3 undecidable manual P 360 60.6948 50 0.05 69
IV.RM33.EHZ. 2019-02-23T06:59:52.33 0.6 undecidable manual S 163 31.5462 50 -0.18 47
IV.FDMO.HHZ. 2019-02-23T06:59:51.34 0.3 undecidable manual S 357 28.2495 50 -0.29 70
IV.CESI.HHZ. 2019-02-23T06:59:51.96 0.3 undecidable manual S 327 29.5482 50 -0.01 74
IT.MTCL.HGE. 2019-02-23T06:59:50.50 0.3 undecidable manual S 340 24.9528 112 -0.23 71
IV.SMA1.EHZ. 2019-02-23T06:59:50.59 0.6 undecidable manual S 132 25.2525 112 -0.22 48
IV.T1299.EHE. 2019-02-23T06:59:50.07 0.3 undecidable manual S 138 21.867 115 0.33 70
IV.GIGS.HHZ. 2019-02-23T06:59:50.82 0.6 undecidable manual P 133 52.9026 50 -0.27 45
IV.MTRA.EHZ. 2019-02-23T06:59:50.04 0.3 undecidable manual S 97 24.0537 113 -0.37 69
IV.ASSB.HHZ. 2019-02-23T06:59:49.91 0.3 undecidable manual P 309 46.3203 50 -0.17 70
IV.LNSS.HHZ. 2019-02-23T06:59:49.45 0.3 undecidable manual S 195 20.5683 116 0.15 73
IV.PF6.EHE. 2019-02-23T06:59:49.02 0.3 undecidable manual P 11 40.1265 50 -0.11 71
IV.MMO1.EHZ. 2019-02-23T06:59:49.60 0.3 undecidable manual S 54 22.3554 114 -0.28 71
IV.MF5.EHZ. 2019-02-23T06:59:49.13 0.6 undecidable manual P 52 36.8298 50 0.51 44
IV.TERO.HHZ. 2019-02-23T06:59:49.60 0.3 undecidable manual P 113 44.4222 50 -0.19 69
IV.MML1.EHE. 2019-02-23T06:59:48.84 3.0 undecidable manual P -0.01 0
IV.CAMP.HHE. 2019-02-23T06:59:48.49 3.0 undecidable manual P -0.09 0
IV.GUMA.HHZ. 2019-02-23T06:59:48.98 0.6 undecidable manual P 31 36.4413 50 0.43 45
IV.MC2.EHE. 2019-02-23T06:59:48.40 0.3 undecidable manual S 26 15.9729 122 0.48 69
IV.FDMO.HHZ. 2019-02-23T06:59:47.21 0.1 positive manual P 357 28.2495 50 -0.09 97
IV.RM33.EHZ. 2019-02-23T06:59:47.72 0.3 positive manual P 163 31.5462 50 -0.09 73
IV.CESI.HHZ. 2019-02-23T06:59:47.48 0.3 undecidable manual P 327 29.5482 50 -0.02 74
IV.ARRO.EHE. 2019-02-23T06:59:47.65 3.0 undecidable manual P -0.75 0
IV.T1299.EHE. 2019-02-23T06:59:46.44 0.3 undecidable manual P 138 21.867 115 0.23 72
IV.MTRA.EHZ. 2019-02-23T06:59:46.53 0.3 undecidable manual P 97 24.0537 113 -0.06 74
IT.MTCL.HGE. 2019-02-23T06:59:46.67 0.1 undecidable manual P 340 24.9528 112 -0.11 97
IV.LNSS.HHZ. 2019-02-23T06:59:46.11 0.1 undecidable manual P 195 20.5683 116 0.16 97
IV.SMA1.EHZ. 2019-02-23T06:59:46.74 0.3 negative manual P 132 25.2525 112 -0.09 73
IV.MMO1.EHZ. 2019-02-23T06:59:46.28 0.3 undecidable manual P 54 22.3554 114 -0.01 75
IV.MC2.EHE. 2019-02-23T06:59:45.41 0.3 undecidable manual P 26 15.9729 122 0.25 72
IV.NRCA.HNZ. 2019-02-23T06:59:45.13 0.1 undecidable manual S 9 5.7942 150 -0.26 98
IV.NRCA.HNZ. 2019-02-23T06:59:43.84 0.1 positive manual P 9 5.7942 150 0.14 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.LNSS.HHN. ML:1.6 0.00027675265 0.1216 AML other m 2019-02-23T06:59:49.79
IV.LNSS.HNN. ML:1.5 0.00023851235 1.8688 AML other m 2019-02-23T06:59:49.94
IV.MTRA.EHN. ML:1.3 0.00012986677499999999 0.32 AML other m 2019-02-23T06:59:50.21
IV.LNSS.HHE. ML:1.8 0.00041186785 0.1216 AML other m 2019-02-23T06:59:50.10
IV.LNSS.HNE. ML:1.7 0.00036638245000000005 0.1184 AML other m 2019-02-23T06:59:50.16
IV.MTRA.HNE. ML:1.8 0.0003469602 0.24 AML other m 2019-02-23T06:59:50.85
IV.MTRA.EHE. ML:1.7 0.0003282601 0.24 AML other m 2019-02-23T06:59:50.85
IV.SMA1.EHN. ML:1.4 0.00016709055 0.1984 AML other m 2019-02-23T06:59:51.66
IV.CESI.HHN. ML:1.5 0.0001664233 1.7216 AML other m 2019-02-23T06:59:51.12
IV.CESI.HHE. ML:1.2 0.000067647135 0.1792 AML other m 2019-02-23T06:59:52.10
IV.RM33.EHN. ML:1.5 0.00014508031 0.2016 AML other m 2019-02-23T06:59:52.68
IV.RM33.HNN. ML:1.5 0.00015050448500000002 0.0992 AML other m 2019-02-23T06:59:52.69
IV.RM33.EHE. ML:1.3 0.000093689345 0.1184 AML other m 2019-02-23T06:59:53.08
IV.SMA1.EHE. ML:1.6 0.00020907344999999999 1.5776 AML other m 2019-02-23T06:59:54.00
IV.MTRA.HNN. ML:1.5 0.00018140895 0.6592 AML other m 2019-02-23T06:59:55.57
IV.RM33.HNE. ML:1.5 0.00015673100000000001 0.6816 AML other m 2019-02-23T06:59:57.18
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