Earthquake with magnitude of ML 1.2 on date 20-07-2019 and time 01:21:59 (Italy) in region 6 km NE Norcia (PG)

A magnitude ML 1.2 earthquake occured in region: 6 km NE Norcia (PG), on

  • 19-07-2019 23:21:59 (UTC)
  • 20-07-2019 01:21:59 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.8330, 13.1500 at 8 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 6 4957 4957
Castelsantangelo sul Nera MC 7 281 5238
Preci PG 10 724 5962
Visso MC 12 1107 7069
Ussita MC 13 444 7513
Arquata del Tronto AP 14 1178 8691
Montegallo AP 15 523 9214
Montemonaco AP 16 604 9818
Cascia PG 17 3217 13035
Accumoli RI 17 667 13702
Cerreto di Spoleto PG 19 1075 14777
Bolognola MC 19 142 14919
Sellano PG 19 1079 15998
Montefortino FM 20 1178 17176

Municipalities with at least 50000 inhabitants

An earthquake occurred to
39 Km E of Foligno (57155 inhabitants)
49 Km W of Teramo (54892 inhabitants)
51 Km NE of Terni (111501 inhabitants)
57 Km NW of L'Aquila (69753 inhabitants)
69 Km E of Perugia (166134 inhabitants)
89 Km W of Montesilvano (53738 inhabitants)
92 Km SW of Ancona (100861 inhabitants)
96 Km W of Pescara (121014 inhabitants)
97 Km E of Viterbo (67173 inhabitants)
99 Km NE of Guidonia Montecelio (88673 inhabitants)
99 Km NW 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
Reviewed
Rev100
ML 1.2 2019-07-19
23:21:59
42.8327 13.1497 8 2019-07-19
23:27:37
Sala Sismica INGV-Roma 70722291
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2019-07-19 23:21:59 ± 0.08
Latitude 42.8327 ± 0.0036
Longitude 13.1497 ± 0.0049
Depth (km) 8 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 70722291

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 457
Semi-minor axis of confidence ellipse (meter) 63
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 137
Circular confidence region, given by single value of horizontal uncertainty (meter) 460.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 68
Number of associated phases, regardless of their use for origin computation 37
Number of defining phases 17
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.24
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.41639
Number of stations at which the event was observed 29
Number of stations from which data was used for origin computation 10
Magnitude information

ML:1.2

Field Value
Value 1.2
Uncertainty 0.2
Num. used stations 22
Type of magnitude ML
Reference to an origin 70722291
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2019-07-19 23:27:37
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
OX.ZOU2.HHZ. 2019-07-19T23:23:40.59 3.0 undecidable manual Sn -2.02 0
RD.PGF.BHZ. 2019-07-19T23:23:36.96 3.0 undecidable manual Sg 9.29 0
IV.VCRE.HHZ. 2019-07-19T23:23:09.50 3.0 undecidable manual Sg 0.75 0
IV.VBKN.HHZ. 2019-07-19T23:23:09.47 3.0 undecidable manual Sg 0.97 0
IV.CRTO.HHZ. 2019-07-19T23:23:09.11 3.0 undecidable manual Sg 0.46 0
IV.VULT.HHZ. 2019-07-19T23:22:50.66 3.0 undecidable manual Pg 6.78 0
IV.RDP.HHZ. 2019-07-19T23:22:37.91 3.0 undecidable manual S -3.54 0
IV.PIEI.HHZ. 2019-07-19T23:22:29.29 3.0 undecidable manual S 0.27 0
IT.VNF1.HGZ. 2019-07-19T23:22:28.72 3.0 undecidable manual P 0.16 0
IV.MGAB.HHZ. 2019-07-19T23:22:17.07 3.0 undecidable manual P 1.56 0
IV.RMP.HHZ. 2019-07-19T23:22:17.88 3.0 negative manual P -4.58 0
IV.EL6.EHZ. 2019-07-19T23:22:17.77 3.0 undecidable manual S 0.69 0
IV.OFFI.HHZ. 2019-07-19T23:22:15.53 3.0 undecidable manual S -0.46 0
IV.MF5.EHZ. 2019-07-19T23:22:11.01 0.3 undecidable manual S 56 30.5472 105 0.5 65
IV.SSFR.HHZ. 2019-07-19T23:22:11.12 3.0 undecidable manual P -1.76 0
IV.ARVD.HHZ. 2019-07-19T23:22:10.79 3.0 negative manual P -2.49 0
IV.LNSS.HHZ. 2019-07-19T23:22:09.26 0.1 undecidable manual S 199 27.0507 107 -0.08 95
IV.GAVE.EHZ. 2019-07-19T23:22:09.13 0.3 undecidable manual S 233 25.9518 107 0.13 71
IV.EL6.EHZ. 2019-07-19T23:22:09.55 3.0 negative manual P 0.13 0
IV.GIGS.HHZ. 2019-07-19T23:22:09.65 3.0 undecidable manual P -2.07 0
IV.MNTT.EHZ. 2019-07-19T23:22:08.66 0.1 negative manual P 55 44.2224 50 0.5 85
IV.ASSB.HHZ. 2019-07-19T23:22:08.16 0.3 undecidable manual P 300 46.2204 50 -0.3 66
IV.SNTG.HHZ. 2019-07-19T23:22:08.86 3.0 undecidable manual P 0.57 0
IV.FDMO.HHZ. 2019-07-19T23:22:07.80 0.1 undecidable manual S 347 23.1546 109 -0.27 92
IV.CAMP.HHZ. 2019-07-19T23:22:07.00 3.0 undecidable manual P -1.69 0
IV.MTRA.EHZ. 2019-07-19T23:22:07.39 0.1 undecidable manual S 113 21.7671 110 -0.23 93
IV.RM33.EHZ. 2019-07-19T23:22:06.57 0.6 undecidable manual P 172 36.3414 50 -0.37 44
IV.LNSS.HHZ. 2019-07-19T23:22:05.23 0.1 undecidable manual P 199 27.0507 107 0.03 96
IV.MMO1.EHZ. 2019-07-19T23:22:05.65 0.1 undecidable manual S 63 16.1727 117 -0.19 95
IV.GAVE.EHZ. 2019-07-19T23:22:05.13 0.1 undecidable manual P 233 25.9518 107 0.13 95
IV.SMA1.EHZ. 2019-07-19T23:22:05.12 3.0 negative manual P -1.15 0
IV.MF5.EHZ. 2019-07-19T23:22:05.91 0.3 undecidable manual P 56 30.5472 105 0.03 72
IV.MTRA.EHZ. 2019-07-19T23:22:04.14 0.1 undecidable manual P 113 21.7671 110 -0.07 96
IV.FDMO.HHZ. 2019-07-19T23:22:04.35 0.1 undecidable manual P 347 23.1546 109 -0.12 95
IV.MMO1.EHZ. 2019-07-19T23:22:03.13 0.1 undecidable manual P 63 16.1727 117 -0.05 98
IV.NRCA.HNZ. 2019-07-19T23:22:02.59 0.1 undecidable manual S 272 2.8971 160 0.05 100
IV.NRCA.HNZ. 2019-07-19T23:22:01.56 0.1 undecidable manual P 272 2.8971 160 0.28 95
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.MTRA.EHN. ML:1.2 0.0001205 0.3 AML other m 2019-07-19T23:22:07.81
IV.FDMO.HHN. ML:1.2 0.00010389999999999999 0.22 AML other m 2019-07-19T23:22:08.64
IV.FDMO.HHE. ML:1.1 0.0000824 0.24 AML other m 2019-07-19T23:22:08.62
IV.GAVE.EHE. ML:1.5 0.0002 0.52 AML other m 2019-07-19T23:22:09.79
IV.MTRA.EHE. ML:1.3 0.0001505 0.38 AML other m 2019-07-19T23:22:09.70
IV.GAVE.EHN. ML:1.3 0.00011999999999999999 0.28 AML other m 2019-07-19T23:22:09.68
IV.GAVE.HNE. ML:1.6 0.00023099999999999998 0.8 AML other m 2019-07-19T23:22:09.47
IV.LNSS.HHE. ML:1.2 0.00008635 0.28 AML other m 2019-07-19T23:22:09.98
IV.LNSS.HHN. ML:1.2 0.00009365 0.18 AML other m 2019-07-19T23:22:10.04
IV.SMA1.EHE. ML:1.2 0.0000817 0.56 AML other m 2019-07-19T23:22:12.39
IV.RM33.EHE. ML:1.2 0.000061 0.16 AML other m 2019-07-19T23:22:12.65
IV.RM33.EHN. ML:1.1 0.0000461 0.5 AML other m 2019-07-19T23:22:12.69
IV.CAMP.HHE. ML:0.9 0.000028400000000000003 0.22 AML other m 2019-07-19T23:22:12.81
IV.CAMP.HHN. ML:0.6 0.000016300000000000003 0.22 AML other m 2019-07-19T23:22:12.82
IV.SMA1.EHN. ML:1.1 0.00006659999999999999 0.26 AML other m 2019-07-19T23:22:13.29
IV.ASSB.HHN. ML:1.2 0.000043450000000000006 0.74 AML other m 2019-07-19T23:22:15.18
IV.ASSB.HHE. ML:1.1 0.00003505 0.2 AML other m 2019-07-19T23:22:15.77
IV.GAVE.HNN. ML:1.6 0.000249 0.74 AML other m 2019-07-19T23:22:16.53
IV.SNTG.HHE. ML:1.1 0.0000337 0.12 AML other m 2019-07-19T23:22:16.56
IV.SNTG.HHN. ML:1.1 0.00003195 0.62 AML other m 2019-07-19T23:22:16.94
IV.ARVD.HHN. ML:0.8 0.000010495 0.4 AML other m 2019-07-19T23:22:24.57
IV.ARVD.HHE. ML:1.0 0.000014 0.5 AML other m 2019-07-19T23:22:26.68
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