Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.0 on date 18-09-2014 and time 00:21:36 (Italy) in region 4 km NE Spello (PG)

A magnitude ML 2.0 earthquake occured in region: 4 km NE Spello (PG), on

  • 17-09-2014 22:21:36 (UTC)
  • 18-09-2014 00:21:36 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.0260, 12.6950 at 6 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
Spello PG 4 8645 8645
Valtopina PG 6 1398 10043
Foligno PG 8 57155 67198
Assisi PG 8 28299 95497
Cannara PG 10 4305 99802
Bevagna PG 12 5081 104883
Nocera Umbra PG 12 5839 110722
Bastia Umbra PG 13 21874 132596
Montefalco PG 15 5679 138275
Valfabbrica PG 17 3389 141664
Trevi PG 17 8469 150133
Bettona PG 17 4367 154500
Gualdo Cattaneo PG 17 6155 160655

Municipalities with at least 50000 inhabitants

An earthquake occurred to
8 Km N of Foligno (57155 inhabitants)
26 Km E of Perugia (166134 inhabitants)
52 Km N of Terni (111501 inhabitants)
82 Km SE of Arezzo (99543 inhabitants)
83 Km NE of Viterbo (67173 inhabitants)
92 Km W of Teramo (54892 inhabitants)
94 Km SW of Ancona (100861 inhabitants)
95 Km NW of L'Aquila (69753 inhabitants)
95 Km S of Fano (60888 inhabitants)
100 Km S of Pesaro (94582 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 2.0 2014-09-17
22:21:36		 43.0257 12.6947 6 2015-09-21
09:39:02		 Bollettino Sismico Italiano INGV 17404691
Reviewed
Rev100 		ML 2.0 2014-09-17
22:21:35		 43.025 12.6848 7 2014-10-21
12:08:56		 Sala Sismica INGV-Roma 8394851
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2014-09-17 22:21:36 ± 0.08
Latitude 43.0257 ± 0.0036
Longitude 12.6947 ± 0.0049
Depth (km) 6 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 17404691

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 450
Semi-minor axis of confidence ellipse (meter) 85
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 234
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) 62
Number of associated phases, regardless of their use for origin computation 68
Number of defining phases 66
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.36
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.77881
Number of stations at which the event was observed 36
Number of stations from which data was used for origin computation 34
Magnitudes information

ML:2.0

Field Value
Value 2.0
Uncertainty 0.3
Num. used stations 29
Type of magnitude ML
Reference to an origin 17404691
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2015-03-06 14:04:35

ML:2.0

Field Value
Value 2.0
Uncertainty 0.3
Num. used stations 29
Type of magnitude ML
Reference to an origin 8394851
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2014-09-17 22:35:28
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.FIAM.HHZ. 2014-09-17T22:22:04.99 3.0 undecidable manual S -0.59 0
IV.TERO.HHZ. 2014-09-17T22:22:03.35 0.3 undecidable manual S 121 86.4468 50 0.73 56
IV.PE3.EHZ. 2014-09-17T22:22:01.81 0.3 undecidable manual S 348 76.0683 50 1.95 28
IV.PARC.HHZ. 2014-09-17T22:22:01.54 0.3 undecidable manual S 332 78.2661 50 1.09 48
IV.CAMP.HHZ. 2014-09-17T22:22:01.29 0.1 undecidable manual S 133 79.5648 50 0.49 82
IV.FSSB.HHZ. 2014-09-17T22:22:00.11 0.1 undecidable manual S 5 74.37 50 0.71 76
IV.RM33.EHZ. 2014-09-17T22:21:59.12 0.1 undecidable manual S 143 71.2731 50 0.54 82
IV.CAFI.HHZ. 2014-09-17T22:21:58.54 0.3 undecidable manual S 300 67.8765 50 0.87 54
IV.NARO.HHZ. 2014-09-17T22:21:57.19 0.1 undecidable manual S 352 65.5899 50 0.13 91
IV.BADI.EHZ. 2014-09-17T22:21:57.40 0.1 undecidable manual S 326 64.8906 50 0.53 84
IV.MPAG.EHZ. 2014-09-17T22:21:57.63 0.1 undecidable manual S 4 67.1772 50 0.15 91
IV.APEC.HHZ. 2014-09-17T22:21:57.32 0.3 undecidable manual S 340 63.0924 50 0.91 54
IV.SMA1.EHZ. 2014-09-17T22:21:57.95 0.3 undecidable manual S 130 68.0763 50 0.22 67
IV.PIEI.HHZ. 2014-09-17T22:21:55.02 0.3 undecidable manual S 347 57.9975 50 -0.02 71
IV.ARVD.HHZ. 2014-09-17T22:21:54.31 0.1 undecidable manual S 21 56.0994 50 -0.21 91
IV.LNSS.HHZ. 2014-09-17T22:21:54.25 0.1 undecidable manual S 149 54.7008 50 0.1 94
IV.PESA.HHZ. 2014-09-17T22:21:54.17 3.0 undecidable manual P -0.03 0
IV.FRON.EHZ. 2014-09-17T22:21:54.01 0.1 undecidable manual S 3 54.6009 50 -0.13 93
IV.CING.HHZ. 2014-09-17T22:21:54.64 0.1 undecidable manual S 46 56.0994 50 0.11 93
IV.ATPI.EHZ. 2014-09-17T22:21:53.17 0.3 undecidable manual S 333 52.7028 50 -0.46 65
IV.CESX.HHZ. 2014-09-17T22:21:52.10 0.1 undecidable manual S 191 47.1195 50 -0.03 97
IV.MGAB.HHZ. 2014-09-17T22:21:52.87 0.3 undecidable manual S 255 48.9177 50 0.25 69
IV.TERO.HHZ. 2014-09-17T22:21:51.05 0.1 undecidable manual P 121 86.4468 50 -0.34 84
IV.ATVO.HHZ. 2014-09-17T22:21:51.12 0.3 undecidable manual S 330 45.9207 50 -0.69 61
IV.SSFR.HNZ. 2014-09-17T22:21:51.61 0.1 undecidable manual S 9 46.1205 50 -0.25 92
IV.EL6.EHZ. 2014-09-17T22:21:51.86 0.3 undecidable manual S 44 47.1195 50 -0.27 69
IV.CSP1.EHZ. 2014-09-17T22:21:50.63 0.1 undecidable manual S 80 42.0246 50 -0.13 95
IV.PE3.EHZ. 2014-09-17T22:21:50.06 0.1 undecidable manual P 348 76.0683 50 0.27 87
IV.PARC.HHZ. 2014-09-17T22:21:50.25 0.1 undecidable manual P 332 78.2661 50 0.12 89
IV.CAMP.HHZ. 2014-09-17T22:21:49.99 0.1 undecidable manual P 133 79.5648 50 -0.34 85
IV.FSSB.HHZ. 2014-09-17T22:21:49.23 0.1 undecidable manual P 5 74.37 50 -0.3 87
IV.COR1.EHZ. 2014-09-17T22:21:49.34 0.1 undecidable manual P 20 71.5728 50 0.24 88
IV.ATFO.HHZ. 2014-09-17T22:21:49.81 0.1 undecidable manual S 345 39.1275 99 0.03 98
IV.MPAG.EHZ. 2014-09-17T22:21:48.08 0.1 positive manual P 4 67.1772 50 -0.34 87
IV.SMA1.EHZ. 2014-09-17T22:21:48.38 0.1 undecidable manual P 130 68.0763 50 -0.18 90
IV.RM33.EHZ. 2014-09-17T22:21:48.80 0.1 undecidable manual P 143 71.2731 50 -0.25 88
IV.CAFI.HHZ. 2014-09-17T22:21:48.70 0.1 undecidable manual P 300 67.8765 50 0.17 90
IV.SACS.HHZ. 2014-09-17T22:21:48.84 0.1 undecidable manual P 253 66.6777 50 0.5 84
IV.APEC.HHZ. 2014-09-17T22:21:47.45 0.6 undecidable manual P 340 63.0924 50 -0.35 44
IV.FDMO.HHZ. 2014-09-17T22:21:47.29 0.1 undecidable manual S 88 31.8459 101 -0.02 99
IV.NARO.HHZ. 2014-09-17T22:21:47.69 0.1 positive manual P 352 65.5899 50 -0.49 85
IV.ATTE.HHZ. 2014-09-17T22:21:47.57 0.1 undecidable manual S 305 33.5442 101 -0.33 93
IV.BADI.EHZ. 2014-09-17T22:21:47.84 0.1 undecidable manual P 326 64.8906 50 -0.22 90
IV.MURB.HHZ. 2014-09-17T22:21:47.24 0.1 undecidable manual S 332 29.748 102 0.66 85
IV.PIEI.HHZ. 2014-09-17T22:21:46.63 0.1 positive manual P 347 57.9975 50 -0.38 88
IV.FOSV.EHZ. 2014-09-17T22:21:46.97 0.1 undecidable manual S 10 30.3474 102 0.18 96
IV.CING.HHZ. 2014-09-17T22:21:46.52 0.1 undecidable manual P 46 56.0994 50 -0.19 92
IV.ARVD.HHZ. 2014-09-17T22:21:46.26 0.1 positive manual P 21 56.0994 50 -0.45 87
IV.LNSS.HHZ. 2014-09-17T22:21:46.25 0.1 negative manual P 149 54.7008 50 -0.25 91
IV.ATPI.EHZ. 2014-09-17T22:21:45.81 0.1 undecidable manual P 333 52.7028 50 -0.38 89
IV.EL6.EHZ. 2014-09-17T22:21:45.04 0.1 positive manual P 44 47.1195 50 -0.29 91
IV.FRON.EHZ. 2014-09-17T22:21:45.95 0.1 positive manual P 3 54.6009 50 -0.54 85
IV.CESX.HHZ. 2014-09-17T22:21:45.04 0.1 positive manual P 191 47.1195 50 -0.29 91
IV.MGAB.HHZ. 2014-09-17T22:21:45.47 0.1 undecidable manual P 255 48.9177 50 -0.14 94
IV.SSFR.HNZ. 2014-09-17T22:21:44.71 0.1 undecidable manual P 9 46.1205 50 -0.46 88
IV.CSP1.EHZ. 2014-09-17T22:21:44.23 0.1 negative manual P 80 42.0246 50 -0.31 92
IV.ATVO.HHZ. 2014-09-17T22:21:44.58 0.1 positive manual P 330 45.9207 50 -0.56 85
IV.ATFO.HHZ. 2014-09-17T22:21:43.67 0.1 positive manual P 345 39.1275 99 -0.31 92
IV.ATCC.EHZ. 2014-09-17T22:21:43.17 0.3 undecidable manual S 346 18.2706 109 0.44 70
IV.ATTE.HHZ. 2014-09-17T22:21:42.69 0.1 undecidable manual P 305 33.5442 101 -0.2 95
IV.MURB.HHZ. 2014-09-17T22:21:42.17 0.1 positive manual P 332 29.748 102 0.05 99
IV.CESI.HHZ. 2014-09-17T22:21:42.97 0.1 undecidable manual S 98 17.1717 110 0.58 89
IV.FOSV.EHZ. 2014-09-17T22:21:42.20 0.1 positive manual P 10 30.3474 102 -0.04 99
IV.FDMO.HHZ. 2014-09-17T22:21:42.54 0.1 negative manual P 88 31.8459 101 -0.01 100
IV.ATCC.EHZ. 2014-09-17T22:21:40.18 0.1 positive manual P 346 18.2706 109 0.27 97
IV.CESI.HHZ. 2014-09-17T22:21:40.16 0.1 negative manual P 98 17.1717 110 0.45 93
IV.ASSB.HHZ. 2014-09-17T22:21:38.31 0.1 undecidable manual S 303 3.4965 151 -0.22 100
IV.ASSB.HHZ. 2014-09-17T22:21:37.72 0.1 negative manual P 303 3.4965 151 0.24 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.ARVD.HHN. ML:1.6 0.00009434999999999999 1.48 AML other m 2014-09-17T22:21:56.43
IV.ARVD.HHE. ML:1.7 0.0001265 0.28 AML other m 2014-09-17T22:21:56.48
IV.ATCC.EHE. ML:2.7 0.004030000000000001 0.28 AML other m 2014-09-17T22:21:43.73
IV.ATCC.EHN. ML:2.4 0.002445 0.22 AML other m 2014-09-17T22:21:44.79
IV.ATFO.HHN. ML:2.0 0.00033699999999999995 1.52 AML other m 2014-09-17T22:21:50.17
IV.ATFO.HHE. ML:2.1 0.00047950000000000005 1.18 AML other m 2014-09-17T22:21:52.13
IV.ATPI.EHN. ML:2.0 0.0002265 0.26 AML other m 2014-09-17T22:21:55.68
IV.ATPI.EHE. ML:1.7 0.00012305 0.78 AML other m 2014-09-17T22:21:57.41
IV.ATTE.HHN. ML:1.8 0.000273 1.36 AML other m 2014-09-17T22:21:51.20
IV.ATTE.HHE. ML:1.9 0.0003505 0.44 AML other m 2014-09-17T22:21:50.35
IV.ATVO.HHE. ML:2.0 0.0002845 0.16 AML other m 2014-09-17T22:21:52.73
IV.ATVO.HHN. ML:1.8 0.000188 1.28 AML other m 2014-09-17T22:21:55.59
IV.BADI.EHE. ML:1.9 0.000155 0.48 AML other m 2014-09-17T22:22:00.42
IV.BADI.EHN. ML:1.9 0.0001415 0.32 AML other m 2014-09-17T22:22:01.83
IV.CAFI.HHN. ML:2.0 0.00016849999999999998 0.56 AML other m 2014-09-17T22:22:01.08
IV.CAFI.HHE. ML:2.1 0.00023300000000000003 0.56 AML other m 2014-09-17T22:22:00.77
IV.CAMP.HHN. ML:1.5 0.000045700000000000006 0.96 AML other m 2014-09-17T22:22:07.14
IV.CAMP.HHE. ML:1.5 0.0000408 1.28 AML other m 2014-09-17T22:22:06.64
IV.CESI.HHE. ML:1.7 0.0004355 0.68 AML other m 2014-09-17T22:21:44.03
IV.CESI.HHN. ML:1.8 0.0005574999999999999 0.22 AML other m 2014-09-17T22:21:43.39
IV.CESX.HHN. ML:2.2 0.00040500000000000003 0.84 AML other m 2014-09-17T22:21:52.63
IV.CESX.HHE. ML:2.1 0.0003725 0.26 AML other m 2014-09-17T22:21:55.76
IV.CING.HHN. ML:2.3 0.000435 0.28 AML other m 2014-09-17T22:21:55.50
IV.CING.HHE. ML:2.0 0.00022950000000000002 1.3 AML other m 2014-09-17T22:21:54.99
IV.FDMO.HHN. ML:2.1 0.000641 1 AML other m 2014-09-17T22:21:47.78
IV.FDMO.HHE. ML:2.2 0.0007769999999999999 0.22 AML other m 2014-09-17T22:21:47.82
IV.FOSV.EHN. ML:2.0 0.0005874999999999999 0.48 AML other m 2014-09-17T22:21:48.00
IV.FOSV.EHE. ML:2.2 0.000727 0.28 AML other m 2014-09-17T22:21:48.09
IV.FRON.EHN. ML:2.0 0.00020850000000000003 0.86 AML other m 2014-09-17T22:21:55.07
IV.FRON.EHE. ML:1.9 0.0001865 0.22 AML other m 2014-09-17T22:21:55.41
IV.FSSB.HHE. ML:2.4 0.00035650000000000005 1.08 AML other m 2014-09-17T22:22:01.99
IV.FSSB.HHN. ML:2.2 0.0002305 1.32 AML other m 2014-09-17T22:22:03.93
IV.LNSS.HHE. ML:2.3 0.00044050000000000003 0.34 AML other m 2014-09-17T22:21:56.34
IV.LNSS.HHN. ML:2.2 0.0004 0.54 AML other m 2014-09-17T22:21:56.67
IV.MGAB.HHN. ML:1.9 0.0002265 0.3 AML other m 2014-09-17T22:21:55.18
IV.MGAB.HHE. ML:1.8 0.000182 0.24 AML other m 2014-09-17T22:21:58.78
IV.MPAG.EHE. ML:1.7 0.00009455 0.84 AML other m 2014-09-17T22:22:00.33
IV.MPAG.EHN. ML:1.6 0.00006741 0.88 AML other m 2014-09-17T22:22:06.53
IV.MURB.HHN. ML:2.7 0.0027300000000000002 0.8 AML other m 2014-09-17T22:21:49.05
IV.MURB.HNE. ML:2.6 0.001815 1.5 AML other m 2014-09-17T22:21:49.92
IV.MURB.HHE. ML:2.6 0.002115 0.22 AML other m 2014-09-17T22:21:48.15
IV.MURB.HNN. ML:2.7 0.0023799999999999997 1.58 AML other m 2014-09-17T22:21:48.27
IV.NARO.HHE. ML:1.8 0.00011999999999999999 0.24 AML other m 2014-09-17T22:21:57.63
IV.NARO.HHN. ML:1.7 0.0001001 0.32 AML other m 2014-09-17T22:21:58.87
IV.PARC.HHE. ML:1.8 0.00009875 1.18 AML other m 2014-09-17T22:22:06.16
IV.PARC.HHN. ML:1.8 0.0000816 0.7 AML other m 2014-09-17T22:22:03.63
IV.PE3.EHE. ML:2.2 0.00021250000000000002 0.4 AML other m 2014-09-17T22:22:03.63
IV.PE3.EHN. ML:2.0 0.0001515 0.3 AML other m 2014-09-17T22:22:04.17
IV.PIEI.HHN. ML:1.8 0.000124 0.3 AML other m 2014-09-17T22:21:56.44
IV.PIEI.HHE. ML:2.1 0.0002635 1.44 AML other m 2014-09-17T22:21:56.35
IV.RM33.EHN. ML:2.0 0.00017749999999999998 0.16 AML other m 2014-09-17T22:22:00.41
IV.RM33.EHE. ML:2.0 0.0001835 0.18 AML other m 2014-09-17T22:22:01.54
IV.SACS.HHN. ML:1.6 0.00007280000000000001 0.62 AML other m 2014-09-17T22:22:01.01
IV.SACS.HHE. ML:1.6 0.00006755 0.36 AML other m 2014-09-17T22:22:02.98
IV.SMA1.EHN. ML:2.0 0.000168 0.34 AML other m 2014-09-17T22:22:06.17
IV.SMA1.EHE. ML:2.0 0.00019250000000000002 1.18 AML other m 2014-09-17T22:22:00.28
IV.SSFR.HNE. ML:4.2 0.04925 0.22 AML other m 2014-09-17T22:21:53.65
IV.SSFR.HHE. ML:0.9 0.0000226 0.26 AML other m 2014-09-17T22:21:53.54
IV.SSFR.HNN. ML:4.0 0.0329 1.16 AML other m 2014-09-17T22:21:53.52
IV.SSFR.HHN. ML:0.8 0.0000213 1.56 AML other m 2014-09-17T22:21:53.51
IV.TERO.HHE. ML:1.2 0.0000203 0.86 AML other m 2014-09-17T22:22:05.95
IV.TERO.HHN. ML:1.3 0.000022899999999999998 0.46 AML other m 2014-09-17T22:22:05.64
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
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