INGVCENTRO​NAZIONALE​TERREMOTI
Sala Sismica

Earthquake with magnitude of ML 1.5 on date 14-09-2017 and time 02:17:50 (Italy) in region 8 km SE Norcia (PG)

A magnitude ML 1.5 earthquake occured in region: 8 km SE Norcia (PG), on

  • 14-09-2017 00:17:50 (UTC)
  • 14-09-2017 02:17:50 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.74, 13.15 at 13 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 8 4957 4957
Accumoli RI 9 667 5624
Cascia PG 12 3217 8841
Arquata del Tronto AP 13 1178 10019
Cittareale RI 13 482 10501
Amatrice RI 16 2657 13158
Castelsantangelo sul Nera MC 18 281 13439
Poggiodomo PG 18 117 13556
Preci PG 19 724 14280
Monteleone di Spoleto PG 19 599 14879
Montegallo AP 19 523 15402

Municipalities with at least 50000 inhabitants

An earthquake occurred to
44 Km SE of Foligno (57155 inhabitants)
46 Km E of Terni (111501 inhabitants)
46 Km W of Teramo (54892 inhabitants)
47 Km NW of L'Aquila (69753 inhabitants)
75 Km SE of Perugia (166134 inhabitants)
85 Km W of Montesilvano (53738 inhabitants)
89 Km NE of Guidonia Montecelio (88673 inhabitants)
91 Km NE of Tivoli (56533 inhabitants)
92 Km W of Pescara (121014 inhabitants)
93 Km E of Viterbo (67173 inhabitants)
93 Km W of Chieti (51815 inhabitants)
Recent and historical Seismicity
Seismic hazard
Shakemap
Felt maps
The earthquake effects in MCS scale as obtained from the compiled questionnaire

The earthquake effects in MCS scale as obtained from the compiled questionnaire

This map shows the distribution of the effects of the earthquake on the territory in terms of the MCS (Mercalli-Cancani-Sieberg) intensity scale. The intensities are determined using the data provided in the questionnaire (http://www.haisentitoilterremoto.it/) that are analysed using robust statistical techniques since they are not verified individually. Specifically, the assignment of MCS intensities greater or equal the VI degree of the MCS scale require opportune in situ verification by professional experts. The purple start shows the epicenter. This map is prepared every so often that the population fill in new questionnaires. The number of questionnaires used to determine the map and the date and time of the last adjournment are shown in the upper right part of the panel.
Locations history
Type Magnitude Date and Time (UTC) Latitude Longitude Depth (km) Published time (UTC) Author Location ID
Rev 100 ML 1.5 2017-09-14
00:17:50
42.73 13.15 13 2017-09-14
00:22:18
Sala Sismica INGV-Roma 50060551
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2017-09-14 00:17:50 ± 0.09
Latitude 42.73 ± 0.00
Longitude 13.15 ± 0.01
Depth (km) 13 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 50060551

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 479
Semi-minor axis of confidence ellipse (meter) 195
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 68
Circular confidence region, given by single value of horizontal uncertainty (meter) 480
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 83
Number of associated phases, regardless of their use for origin computation 35
Number of defining phases 30
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
Epicentral distance of station farthest from the epicenter (degree) 0.41729
Number of stations at which the event was observed 20
Number of stations from which data was used for origin computation 15
Magnitude information

ML:1.5

Field Value
Value 1.5
Uncertainty 0.3
Num. used stations 30
Type of magnitude ML
Reference to an origin 50060551
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2017-09-14 00:22:18
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
IV.GUMA.HHZ. 2017-09-14T00:18:04.00 0.1 undecidable manual S 22 0.3534 94 0.82 74
IV.GIGS.HHZ. 2017-09-14T00:18:04.92 0.6 undecidable manual S 132 0.4173 93 -0.14 46
IV.TERO.HHZ. 2017-09-14T00:18:02.83 0.6 undecidable manual S 109 0.3489 94 -0.21 46
IV.T1219.EHZ. 2017-09-14T00:18:02.60 0.6 undecidable manual S 341 0.339 94 -0.15 47
IV.FDMO.HHZ. 2017-09-14T00:18:01.33 0.6 undecidable manual S 351 0.3058 95 -0.43 44
IV.ATCC.EHZ. 2017-09-14T00:18:01.91 3.0 undecidable manual P 1.29 0
IV.OFFI.HHZ. 2017-09-14T00:18:00.07 3.0 undecidable manual S -0.61 0
IV.CAMP.HHZ. 2017-09-14T00:18:00.85 0.3 undecidable manual S 137 0.2734 96 0.05 73
IV.MOMA.HHZ. 2017-09-14T00:17:59.40 3.0 undecidable manual P -0.24 0
IV.RM33.EHZ. 2017-09-14T00:17:59.89 0.6 undecidable manual S 169 0.2302 98 0.36 46
IV.MC2.EHZ. 2017-09-14T00:17:58.07 0.6 undecidable manual S 8 0.1781 103 0.04 49
IV.GIGS.HHZ. 2017-09-14T00:17:58.82 0.6 negative manual P 132 0.4173 93 0.03 47
IV.MMO1.EHZ. 2017-09-14T00:17:58.81 0.1 undecidable manual S 37 0.2077 100 -0.07 98
IV.MTRA.EHZ. 2017-09-14T00:17:57.66 0.1 undecidable manual S 83 0.179 103 -0.39 92
IV.T1219.EHZ. 2017-09-14T00:17:57.34 0.6 positive manual P 341 0.339 94 -0.12 47
IV.ARRO.EHZ. 2017-09-14T00:17:57.46 3.0 positive manual P -1.03 0
IV.T1216.EHZ. 2017-09-14T00:17:57.55 0.6 undecidable manual S 328 0.1844 102 -0.66 42
IV.T1299.EHZ. 2017-09-14T00:17:57.33 0.6 undecidable manual S 137 0.1376 113 0.45 45
IV.TERO.HHZ. 2017-09-14T00:17:57.58 0.1 undecidable manual P 109 0.3489 94 -0.05 95
IV.SMA1.EHZ. 2017-09-14T00:17:57.28 0.6 undecidable manual S 128 0.1691 105 -0.48 45
IV.GUMA.HHZ. 2017-09-14T00:17:57.96 0.1 undecidable manual P 22 0.3534 94 0.25 91
IV.T1221.EHZ. 2017-09-14T00:17:56.14 3.0 negative manual P 0.31 0
IV.FDMO.HHZ. 2017-09-14T00:17:56.84 0.1 undecidable manual P 351 0.3058 95 -0.05 96
IV.CAMP.HHZ. 2017-09-14T00:17:56.36 0.3 negative manual P 137 0.2734 96 0.03 73
IV.T1218.EHZ. 2017-09-14T00:17:55.33 0.6 undecidable manual S 204 0.071 140 0.06 50
IV.MMO1.EHZ. 2017-09-14T00:17:55.15 0.1 undecidable manual P 37 0.2077 100 -0.07 97
IV.RM33.EHZ. 2017-09-14T00:17:55.71 0.3 negative manual P 169 0.2302 98 0.11 73
IV.SMA1.EHZ. 2017-09-14T00:17:54.69 0.3 negative manual P 128 0.1691 105 0.11 73
IV.T1213.EHZ. 2017-09-14T00:17:54.32 0.6 undecidable manual S 245 0.0234 166 -0.3 48
IV.MC2.EHZ. 2017-09-14T00:17:54.80 0.1 undecidable manual P 8 0.1781 103 0.07 98
IV.MTRA.EHZ. 2017-09-14T00:17:54.66 0.1 undecidable manual P 83 0.179 103 -0.09 98
IV.T1216.EHZ. 2017-09-14T00:17:54.78 0.1 undecidable manual P 328 0.1844 102 -0.06 97
IV.T1299.EHZ. 2017-09-14T00:17:54.29 1.0 undecidable manual P 137 0.1376 113 0.22 24
IV.T1218.EHZ. 2017-09-14T00:17:53.33 0.3 positive manual P 204 0.071 140 0.19 73
IV.T1213.EHZ. 2017-09-14T00:17:52.86 0.1 negative manual P 245 0.0234 166 0.09 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.T1213.HNN. ML:1.8 0.0010065 0.14 AML other m 2017-09-14T00:17:54.61
IV.T1213.HNE. ML:1.6 0.0005525 1.28 AML other m 2017-09-14T00:17:54.79
IV.T1218.EHN. ML:1.9 0.0008685 0.12 AML other m 2017-09-14T00:17:55.50
IV.T1218.HNN. ML:1.8 0.000845 0.14 AML other m 2017-09-14T00:17:55.49
IV.T1218.HNE. ML:2 0.001185 0.44 AML other m 2017-09-14T00:17:55.59
IV.T1218.EHE. ML:2 0.00112 0.46 AML other m 2017-09-14T00:17:55.60
IV.T1299.EHN. ML:1 8.575E-5 1.1 AML other m 2017-09-14T00:17:58.09
IV.MTRA.EHN. ML:1.6 0.0002725 0.3 AML other m 2017-09-14T00:17:58.27
IV.MTRA.HNN. ML:1.7 0.000345 0.68 AML other m 2017-09-14T00:17:58.46
IV.T1216.EHE. ML:1.5 0.000208 0.38 AML other m 2017-09-14T00:17:58.22
IV.MTRA.EHE. ML:1.5 0.000231 0.16 AML other m 2017-09-14T00:17:58.46
IV.T1216.EHN. ML:1.5 0.000211 1.22 AML other m 2017-09-14T00:17:58.73
IV.MTRA.HNE. ML:1.6 0.0002455 0.82 AML other m 2017-09-14T00:17:58.79
IV.SMA1.EHN. ML:1.4 0.0001705 0.46 AML other m 2017-09-14T00:17:58.63
IV.T1299.EHE. ML:0.8 5.54E-5 0.34 AML other m 2017-09-14T00:17:59.11
IV.SMA1.EHE. ML:1.3 0.0001535 0.16 AML other m 2017-09-14T00:17:59.24
IV.RM33.EHE. ML:1.4 0.000155 0.92 AML other m 2017-09-14T00:18:00.46
IV.RM33.EHN. ML:1.4 0.0001395 0.9 AML other m 2017-09-14T00:18:00.51
IV.CAMP.HHN. ML:0.6 1.915E-5 1.1 AML other m 2017-09-14T00:18:01.03
IV.CAMP.HHE. ML:0.7 2.63E-5 0.28 AML other m 2017-09-14T00:18:01.00
IV.FDMO.HHN. ML:1.5 0.000128 0.16 AML other m 2017-09-14T00:18:01.85
IV.FDMO.HHE. ML:1.4 0.0001142 0.48 AML other m 2017-09-14T00:18:01.89
IV.TERO.HHN. ML:1.3 6.45E-5 1.08 AML other m 2017-09-14T00:18:03.25
IV.ARRO.EHE. ML:0.9 3.05E-5 0.16 AML other m 2017-09-14T00:18:03.50
IV.ARRO.EHN. ML:0.9 3.145E-5 0.66 AML other m 2017-09-14T00:18:03.78
IV.TERO.HHE. ML:1.2 5.615E-5 1.72 AML other m 2017-09-14T00:18:03.88
IV.GUMA.HHE. ML:1.8 0.0001965 0.3 AML other m 2017-09-14T00:18:04.38
IV.GUMA.HHN. ML:1.8 0.0001975 0.6 AML other m 2017-09-14T00:18:04.65
IV.MOMA.HHE. ML:1.6 0.0001099 1.7 AML other m 2017-09-14T00:18:06.01
IV.MOMA.HHN. ML:1.5 8.12E-5 0.84 AML other m 2017-09-14T00:18:08.43
TDMT - Time Domain Moment Tensor
Focal Mechanism in the area
Download
Type Description Link
QuakeML - small Event, Origin, FocalMechanism Download
QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download