Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.3 on date 25-09-2019 and time 00:29:50 (Italy) in region 3 km N Norcia (PG)

A magnitude ML 1.3 earthquake occured in region: 3 km N Norcia (PG), on

  • 24-09-2019 22:29:50 (UTC)
  • 25-09-2019 00:29:50 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.8230, 13.1000 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 3 4957 4957
Preci PG 8 724 5681
Castelsantangelo sul Nera MC 9 281 5962
Visso MC 12 1107 7069
Cascia PG 14 3217 10286
Ussita MC 14 444 10730
Cerreto di Spoleto PG 15 1075 11805
Sellano PG 16 1079 12884
Arquata del Tronto AP 17 1178 14062
Poggiodomo PG 18 117 14179
Accumoli RI 19 667 14846
Montegallo AP 19 523 15369

Municipalities with at least 50000 inhabitants

An earthquake occurred to
36 Km E of Foligno (57155 inhabitants)
47 Km NE of Terni (111501 inhabitants)
53 Km W of Teramo (54892 inhabitants)
58 Km NW of L'Aquila (69753 inhabitants)
66 Km E of Perugia (166134 inhabitants)
93 Km W of Montesilvano (53738 inhabitants)
93 Km E of Viterbo (67173 inhabitants)
95 Km SW of Ancona (100861 inhabitants)
96 Km NE of Guidonia Montecelio (88673 inhabitants)
99 Km N of Tivoli (56533 inhabitants)
100 Km W of Pescara (121014 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 1.3 2019-09-24
22:29:50		 42.8233 13.0998 10 2019-09-24
22:37:25		 Sala Sismica INGV-Roma 72735831
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2019-09-24 22:29:50 ± 0.06
Latitude 42.8233 ± 0.0036
Longitude 13.0998 ± 0.0061
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 72735831

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 452
Semi-minor axis of confidence ellipse (meter) 345
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 263
Circular confidence region, given by single value of horizontal uncertainty (meter) 450.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 60
Number of associated phases, regardless of their use for origin computation 38
Number of defining phases 38
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.28
Epicentral distance of station closest to the epicenter (degree) 0.01439
Epicentral distance of station farthest from the epicenter (degree) 0.68438
Number of stations at which the event was observed 22
Number of stations from which data was used for origin computation 22
Magnitude information

ML:1.3

Field Value
Value 1.3
Uncertainty 0.3
Num. used stations 20
Type of magnitude ML
Reference to an origin 72735831
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2019-09-24 22:37:25
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.TERO.HHZ. 2019-09-24T22:30:05.55 0.6 undecidable manual S 118 46.7199 50 0.07 48
IV.ARVD.HHZ. 2019-09-24T22:30:04.34 0.3 undecidable manual P 350 75.9684 50 0.75 56
IV.MF5.EHZ. 2019-09-24T22:30:03.29 0.6 undecidable manual S 58 34.4433 50 1.08 35
IV.ARRO.EHZ. 2019-09-24T22:30:03.72 0.6 undecidable manual S 225 38.4282 50 0.46 44
IV.RM33.EHZ. 2019-09-24T22:30:02.70 0.6 undecidable manual S 165 36.1416 50 0.06 49
IV.ATCC.EHZ. 2019-09-24T22:30:00.38 0.1 undecidable manual P 317 54.8007 50 0.05 94
IV.SMA1.EHZ. 2019-09-24T22:30:00.40 0.6 undecidable manual S 138 28.749 50 -0.28 47
IV.T1299.EHE. 2019-09-24T22:30:00.08 0.6 undecidable manual S 145 25.752 50 0.21 48
IV.MNTT.EHZ. 2019-09-24T22:30:00.08 0.3 undecidable manual P 57 48.2184 50 0.76 59
IV.CSP1.EHZ. 2019-09-24T22:30:00.87 0.6 undecidable manual S 16 30.9468 50 -0.41 46
IV.EL6.EHZ. 2019-09-24T22:30:00.87 0.3 undecidable manual P 0 56.0994 50 0.32 66
IV.SNTG.HHZ. 2019-09-24T22:29:59.49 0.3 undecidable manual P 345 49.617 50 -0.04 71
IV.CESI.HHZ. 2019-09-24T22:29:59.55 0.6 undecidable manual S 322 25.6521 50 -0.3 47
IV.MTRA.EHE. 2019-09-24T22:29:59.51 0.6 undecidable manual S 107 25.2525 50 -0.24 48
IV.GAVE.EHZ. 2019-09-24T22:29:58.77 0.6 undecidable manual S 229 22.1556 115 -0.07 50
IV.TERO.HHZ. 2019-09-24T22:29:58.69 0.1 undecidable manual P 118 46.7199 50 -0.4 89
IV.MOMA.HHZ. 2019-09-24T22:29:58.86 0.3 undecidable manual P 267 43.1235 50 0.32 68
IV.FDMO.HHZ. 2019-09-24T22:29:58.70 0.6 undecidable manual S 358 23.6541 113 -0.62 43
IT.MTCL.HGE. 2019-09-24T22:29:57.93 0.6 undecidable manual S 337 20.5683 116 -0.43 46
IV.RM33.EHZ. 2019-09-24T22:29:57.18 0.1 undecidable manual P 165 36.1416 50 -0.28 93
IV.MMO1.EHZ. 2019-09-24T22:29:57.96 0.6 undecidable manual S 65 20.2686 117 -0.3 48
IV.MF5.EHZ. 2019-09-24T22:29:57.34 0.1 undecidable manual P 58 34.4433 50 0.14 96
IV.ARRO.EHZ. 2019-09-24T22:29:57.81 0.3 undecidable manual P 225 38.4282 50 0 73
IV.CSP1.EHZ. 2019-09-24T22:29:56.42 0.1 undecidable manual P 16 30.9468 50 -0.24 94
IV.MC2.EHZ. 2019-09-24T22:29:56.68 0.6 undecidable manual S 37 12.1767 130 0.79 41
IV.FEMA.HNE. 2019-09-24T22:29:56.79 0.6 undecidable manual S 345 15.9729 123 -0.15 49
IV.SMA1.EHZ. 2019-09-24T22:29:56.12 0.1 undecidable manual P 138 28.749 50 -0.2 96
IV.FDMO.HHZ. 2019-09-24T22:29:55.31 0.1 undecidable manual P 358 23.6541 113 -0.22 96
IV.GAVE.EHZ. 2019-09-24T22:29:55.32 0.1 undecidable manual P 229 22.1556 115 0.06 100
IV.CESI.HHZ. 2019-09-24T22:29:55.68 0.1 undecidable manual P 322 25.6521 50 -0.16 97
IV.MTRA.EHE. 2019-09-24T22:29:55.53 0.1 undecidable manual P 107 25.2525 50 -0.25 95
IV.T1299.EHE. 2019-09-24T22:29:55.86 0.1 undecidable manual P 145 25.752 50 0.01 100
IV.NRCA.HNZ. 2019-09-24T22:29:54.04 0.3 undecidable manual S 46 1.5984 171 0.07 77
IV.FEMA.HNE. 2019-09-24T22:29:54.30 0.3 undecidable manual P 345 15.9729 123 0.14 74
IT.MTCL.HGE. 2019-09-24T22:29:54.88 0.1 undecidable manual P 337 20.5683 116 -0.1 99
IV.MMO1.EHZ. 2019-09-24T22:29:54.77 0.1 undecidable manual P 65 20.2686 117 -0.15 98
IV.MC2.EHZ. 2019-09-24T22:29:53.77 0.1 undecidable manual P 37 12.1767 130 0.22 98
IV.NRCA.HNZ. 2019-09-24T22:29:52.71 0.1 positive manual P 46 1.5984 171 0.26 99
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.NRCA.HHN. ML:2.2 0.003125 0.14 AML other m 2019-09-24T22:29:54.14
IV.NRCA.HNN. ML:2.2 0.00292 0.14 AML other m 2019-09-24T22:29:54.14
IV.NRCA.HHE. ML:1.8 0.00122 0.16 AML other m 2019-09-24T22:29:54.25
IV.NRCA.HNE. ML:1.8 0.0011075 0.16 AML other m 2019-09-24T22:29:55.08
IV.FDMO.HHN. ML:1.2 0.0000973 1.76 AML other m 2019-09-24T22:29:59.03
IV.GAVE.EHN. ML:1.4 0.000158 0.3 AML other m 2019-09-24T22:29:59.23
IV.GAVE.EHE. ML:1.4 0.000174 1.08 AML other m 2019-09-24T22:29:59.07
IV.CESI.HHN. ML:1.3 0.000126 0.28 AML other m 2019-09-24T22:29:59.81
IV.FDMO.HHE. ML:1.1 0.0000786 0.72 AML other m 2019-09-24T22:30:00.38
IV.CESI.HHE. ML:1.2 0.0000839 0.08 AML other m 2019-09-24T22:30:00.06
IV.CSP1.EHE. ML:1.4 0.000126 0.28 AML other m 2019-09-24T22:30:01.53
IV.SMA1.EHE. ML:1.1 0.00005945 0.74 AML other m 2019-09-24T22:30:01.58
IV.SMA1.EHN. ML:1.1 0.0000646 1.8 AML other m 2019-09-24T22:30:01.03
IV.CSP1.EHN. ML:1.4 0.0001285 1.3 AML other m 2019-09-24T22:30:02.13
IV.RM33.EHE. ML:1.1 0.00004545000000000001 0.56 AML other m 2019-09-24T22:30:03.00
IV.RM33.EHN. ML:1.1 0.00005105 0.1 AML other m 2019-09-24T22:30:03.40
IV.MOMA.HHN. ML:0.9 0.00002265 1.02 AML other m 2019-09-24T22:30:05.34
IV.MOMA.HHE. ML:1.0 0.0000316 0.74 AML other m 2019-09-24T22:30:06.60
IV.TERO.HHE. ML:1.0 0.000028499999999999998 1.12 AML other m 2019-09-24T22:30:06.96
IV.TERO.HHN. ML:1.0 0.000026700000000000002 0.56 AML other m 2019-09-24T22:30:09.67
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