Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.1 on date 15-12-2014 and time 01:01:20 (Italy) in region 7 km S Norcia (PG)

A magnitude ML 2.1 earthquake occured in region: 7 km S Norcia (PG), on

  • 15-12-2014 00:01:20 (UTC)
  • 15-12-2014 01:01:20 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.7340, 13.1100 at 9 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 7 4957 4957
Cascia PG 8 3217 8174
Accumoli RI 12 667 8841
Cittareale RI 14 482 9323
Poggiodomo PG 14 117 9440
Monteleone di Spoleto PG 16 599 10039
Arquata del Tronto AP 16 1178 11217
Preci PG 17 724 11941
Castelsantangelo sul Nera MC 18 281 12222
Cerreto di Spoleto PG 18 1075 13297
Amatrice RI 19 2657 15954

Municipalities with at least 50000 inhabitants

An earthquake occurred to
41 Km SE of Foligno (57155 inhabitants)
42 Km E of Terni (111501 inhabitants)
49 Km NW of L'Aquila (69753 inhabitants)
49 Km W of Teramo (54892 inhabitants)
72 Km SE of Perugia (166134 inhabitants)
87 Km NE of Guidonia Montecelio (88673 inhabitants)
89 Km W of Montesilvano (53738 inhabitants)
89 Km N of Tivoli (56533 inhabitants)
89 Km E of Viterbo (67173 inhabitants)
95 Km W of Pescara (121014 inhabitants)
97 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 2.1 2014-12-15
00:01:20		 42.7338 13.11 9 2015-09-21
09:40:11		 Bollettino Sismico Italiano INGV 17449981
Reviewed
Rev100 		ML 2.1 2014-12-15
00:01:20		 42.7352 13.1007 9 2014-12-15
00:08:36		 Sala Sismica INGV-Roma 14672661
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2014-12-15 00:01:20 ± 0.08
Latitude 42.7338 ± 0.0036
Longitude 13.1100 ± 0.0061
Depth (km) 9 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 17449981

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 566
Semi-minor axis of confidence ellipse (meter) 146
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 241
Circular confidence region, given by single value of horizontal uncertainty (meter) 570.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 51
Number of associated phases, regardless of their use for origin computation 50
Number of defining phases 50
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.37
Epicentral distance of station closest to the epicenter (degree) 0.09982
Epicentral distance of station farthest from the epicenter (degree) 0.98835
Number of stations at which the event was observed 29
Number of stations from which data was used for origin computation 29
Magnitudes information

ML:2.1

Field Value
Value 2.1
Uncertainty 0.3
Num. used stations 27
Type of magnitude ML
Reference to an origin 17449981
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2015-03-09 13:50:12

ML:2.1

Field Value
Value 2.1
Uncertainty 0.3
Num. used stations 27
Type of magnitude ML
Reference to an origin 14672661
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2014-12-15 00:08:34
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.T0110.HHZ. 2014-12-15T00:01:43.31 0.3 undecidable manual S 136 78.1662 50 -0.78 54
IV.MURB.HHZ. 2014-12-15T00:01:43.15 0.3 undecidable manual S 321 75.4689 50 -0.24 64
IV.FOSV.EHZ. 2014-12-15T00:01:42.11 0.1 undecidable manual S 336 68.376 50 0.63 78
IV.EL6.EHZ. 2014-12-15T00:01:41.72 0.1 undecidable manual S 359 66.0894 50 0.85 71
IV.FAGN.HHZ. 2014-12-15T00:01:40.32 0.3 undecidable manual S 143 64.7907 50 -0.21 66
IV.ATCC.EHZ. 2014-12-15T00:01:40.84 0.6 undecidable manual S 323 62.9925 50 0.8 37
IV.FSSB.HHZ. 2014-12-15T00:01:39.10 0.1 undecidable manual P 346 109.7124 50 0.15 81
IV.SNTG.HHZ. 2014-12-15T00:01:39.55 0.1 undecidable manual S 347 59.3961 50 0.45 84
IV.NARO.HHZ. 2014-12-15T00:01:38.96 0.1 undecidable manual P 336 106.3158 50 0.54 75
IV.MPAG.EHZ. 2014-12-15T00:01:38.37 0.1 undecidable manual P 344 103.3188 50 0.42 78
IV.PIEI.HHZ. 2014-12-15T00:01:37.94 0.1 undecidable manual P 333 100.4217 50 0.43 78
IV.FIAM.HHZ. 2014-12-15T00:01:37.23 0.1 undecidable manual S 179 51.7038 50 0.2 90
IV.ASSB.HHZ. 2014-12-15T00:01:36.42 0.1 undecidable manual S 313 50.2164 50 -0.21 90
MN.AQU.HHZ. 2014-12-15T00:01:36.39 0.1 undecidable manual S 150 48.5181 50 0.19 91
IV.PP3.EHZ. 2014-12-15T00:01:35.50 0.1 undecidable manual P 29 82.1511 50 0.81 71
IV.CESX.HHZ. 2014-12-15T00:01:35.77 0.3 undecidable manual S 252 44.9217 50 0.55 63
IV.MGAB.HHZ. 2014-12-15T00:01:35.28 0.1 undecidable manual P 284 83.5497 50 0.36 82
IV.MOMA.HHZ. 2014-12-15T00:01:35.58 0.1 undecidable manual S 280 44.7219 50 0.4 88
IV.T0110.HHZ. 2014-12-15T00:01:34.16 0.1 undecidable manual P 136 78.1662 50 0.08 88
IV.TERO.HHZ. 2014-12-15T00:01:34.42 0.1 undecidable manual S 107 42.1245 50 -0.06 94
IV.VCEL.EHZ. 2014-12-15T00:01:33.33 0.1 undecidable manual P 122 70.5738 50 0.42 83
IV.MURB.HHZ. 2014-12-15T00:01:33.57 0.1 undecidable manual P 321 75.4689 50 -0.1 88
IV.CSP1.EHZ. 2014-12-15T00:01:33.89 0.1 undecidable manual S 11 40.4262 50 -0.14 93
IV.FOSV.EHZ. 2014-12-15T00:01:32.61 0.1 undecidable manual P 336 68.376 50 0.04 90
IV.ATCC.EHZ. 2014-12-15T00:01:31.41 0.1 undecidable manual P 323 62.9925 50 -0.33 86
IV.CAMP.HHZ. 2014-12-15T00:01:31.86 0.1 undecidable manual S 132 32.8449 50 -0.14 94
IV.FDMO.HHZ. 2014-12-15T00:01:31.46 0.1 undecidable manual S 357 33.6441 50 -0.75 79
IV.FAGN.HHZ. 2014-12-15T00:01:31.86 0.1 undecidable manual P 143 64.7907 50 -0.16 89
IV.EL6.EHZ. 2014-12-15T00:01:31.87 0.1 undecidable manual P 359 66.0894 50 -0.35 85
IV.CESI.HHZ. 2014-12-15T00:01:31.94 0.1 undecidable manual S 331 34.3434 50 -0.48 88
IV.OFFI.HHZ. 2014-12-15T00:01:30.75 0.1 undecidable manual P 64 51.9036 50 0.72 78
IV.SNTG.HHZ. 2014-12-15T00:01:30.86 0.1 undecidable manual P 347 59.3961 50 -0.33 86
MN.AQU.HHZ. 2014-12-15T00:01:29.58 0.1 undecidable manual P 150 48.5181 50 0.06 93
IV.RM33.EHZ. 2014-12-15T00:01:29.91 0.1 undecidable manual S 161 26.3514 110 -0.2 94
IV.FIAM.HHZ. 2014-12-15T00:01:29.71 0.1 undecidable manual P 179 51.7038 50 -0.29 88
IV.ASSB.HHZ. 2014-12-15T00:01:29.17 0.1 undecidable manual P 313 50.2164 50 -0.6 82
IV.SMA1.EHZ. 2014-12-15T00:01:29.24 0.1 undecidable manual S 122 21.6672 113 0.66 84
IV.TERO.HHZ. 2014-12-15T00:01:28.26 0.1 undecidable manual P 107 42.1245 50 -0.27 90
IV.MOMA.HHZ. 2014-12-15T00:01:28.59 0.1 undecidable manual P 280 44.7219 50 -0.34 89
IV.CESX.HHZ. 2014-12-15T00:01:28.91 0.1 undecidable manual P 252 44.9217 50 -0.04 94
IV.CSP1.EHZ. 2014-12-15T00:01:27.74 0.1 undecidable manual P 11 40.4262 50 -0.53 85
IV.CESI.HHZ. 2014-12-15T00:01:26.88 0.1 undecidable manual P 331 34.3434 50 -0.46 88
IV.LNSS.HHZ. 2014-12-15T00:01:26.72 0.1 undecidable manual S 201 15.5733 121 0.01 100
IV.CAMP.HHZ. 2014-12-15T00:01:26.89 0.1 undecidable manual P 132 32.8449 50 -0.21 93
IV.FDMO.HHZ. 2014-12-15T00:01:26.71 0.1 undecidable manual P 357 33.6441 50 -0.51 87
IV.SMA1.EHZ. 2014-12-15T00:01:25.32 0.1 undecidable manual P 122 21.6672 113 0.2 95
IV.NRCA.HNZ. 2014-12-15T00:01:25.37 0.1 undecidable manual S 2 11.0778 130 -0.05 100
IV.RM33.EHZ. 2014-12-15T00:01:25.85 0.1 undecidable manual P 161 26.3514 110 -0.15 95
IV.LNSS.HHZ. 2014-12-15T00:01:24.11 0.1 undecidable manual P 201 15.5733 121 0.07 99
IV.NRCA.HNZ. 2014-12-15T00:01:23.07 0.1 undecidable manual P 2 11.0778 130 -0.23 96
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
MN.AQU.HHN. ML:1.9 0.0002185 1.3 AML other m 2014-12-15T00:01:45.14
MN.AQU.HLN. ML:1.9 0.000237 0.62 AML other m 2014-12-15T00:01:45.14
MN.AQU.HLE. ML:1.9 0.0002144 1.06 AML other m 2014-12-15T00:01:50.26
MN.AQU.HHE. ML:1.8 0.00016299999999999998 1.04 AML other m 2014-12-15T00:01:52.58
IV.ASSB.HHN. ML:2.2 0.0003775 1.32 AML other m 2014-12-15T00:01:38.80
IV.ASSB.HHE. ML:2.0 0.0002895 0.66 AML other m 2014-12-15T00:01:40.19
IV.ATCC.EHN. ML:2.2 0.00032900000000000003 0.46 AML other m 2014-12-15T00:01:44.35
IV.ATCC.EHE. ML:2.2 0.0003055 0.46 AML other m 2014-12-15T00:01:48.93
IV.CAMP.HHN. ML:1.8 0.0002545 1.1 AML other m 2014-12-15T00:01:36.55
IV.CAMP.HHE. ML:1.8 0.0002925 0.64 AML other m 2014-12-15T00:01:37.11
IV.CESI.HHE. ML:1.9 0.000361 0.42 AML other m 2014-12-15T00:01:36.35
IV.CESI.HHN. ML:1.8 0.00026849999999999997 0.42 AML other m 2014-12-15T00:01:33.88
IV.CESX.HHE. ML:2.1 0.0003735 0.64 AML other m 2014-12-15T00:01:37.26
IV.CESX.HHN. ML:2.0 0.00028349999999999995 0.34 AML other m 2014-12-15T00:01:38.32
IV.FAGN.HHN. ML:2.1 0.0002255 0.5 AML other m 2014-12-15T00:01:47.24
IV.FAGN.HHE. ML:2.2 0.0002635 1.3 AML other m 2014-12-15T00:01:44.93
IV.FDMO.HHE. ML:2.0 0.000465 0.76 AML other m 2014-12-15T00:01:34.31
IV.FDMO.HHN. ML:2.0 0.00045599999999999997 0.7 AML other m 2014-12-15T00:01:33.57
IV.FIAM.HHE. ML:1.7 0.00013624999999999998 0.62 AML other m 2014-12-15T00:01:39.57
IV.FIAM.HHN. ML:1.8 0.00014450000000000002 1.08 AML other m 2014-12-15T00:01:40.69
IV.FOSV.EHE. ML:1.7 0.00009315000000000001 0.82 AML other m 2014-12-15T00:01:47.35
IV.FOSV.EHN. ML:2.0 0.00016099999999999998 0.48 AML other m 2014-12-15T00:01:46.07
IV.FSSB.HHN. ML:2.3 0.00016749999999999998 0.5 AML other m 2014-12-15T00:01:58.40
IV.FSSB.HHE. ML:2.2 0.00013800000000000002 0.56 AML other m 2014-12-15T00:02:02.11
IV.LNSS.HHN. ML:2.3 0.002045 0.36 AML other m 2014-12-15T00:01:27.93
IV.LNSS.HHE. ML:2.3 0.00195 0.92 AML other m 2014-12-15T00:01:27.93
IV.MGAB.HHE. ML:2.3 0.00028500000000000004 0.56 AML other m 2014-12-15T00:01:53.24
IV.MGAB.HNE. ML:2.3 0.000241 1.48 AML other m 2014-12-15T00:01:54.26
IV.MGAB.HHN. ML:2.2 0.00022250000000000001 1.02 AML other m 2014-12-15T00:01:53.99
IV.MGAB.HNN. ML:2.3 0.0002505 0.5 AML other m 2014-12-15T00:01:53.24
IV.MOMA.HHN. ML:2.1 0.000378 1.26 AML other m 2014-12-15T00:01:37.23
IV.MOMA.HHE. ML:2.0 0.00034100000000000005 1.58 AML other m 2014-12-15T00:01:37.02
IV.MPAG.EHE. ML:1.9 0.00007135 0.5 AML other m 2014-12-15T00:02:02.09
IV.MPAG.EHN. ML:1.8 0.00006572 1.58 AML other m 2014-12-15T00:02:01.70
IV.MURB.HHE. ML:2.2 0.0002475 0.78 AML other m 2014-12-15T00:01:49.60
IV.MURB.HNE. ML:2.2 0.000249 1.56 AML other m 2014-12-15T00:01:48.82
IV.MURB.HHN. ML:2.3 0.00030649999999999997 0.38 AML other m 2014-12-15T00:01:52.63
IV.MURB.HNN. ML:2.4 0.0003835 1.12 AML other m 2014-12-15T00:01:52.63
IV.NARO.HHN. ML:1.6 0.00003594999999999999 0.92 AML other m 2014-12-15T00:02:06.60
IV.NARO.HHE. ML:1.6 0.000039 0.52 AML other m 2014-12-15T00:02:07.61
IV.NRCA.HHE. ML:2.7 0.00636 0.12 AML other m 2014-12-15T00:01:26.26
IV.NRCA.HNE. ML:2.6 0.005935 0.12 AML other m 2014-12-15T00:01:26.27
IV.NRCA.HHN. ML:2.6 0.00521 0.14 AML other m 2014-12-15T00:01:26.32
IV.NRCA.HNN. ML:2.6 0.004755 0.14 AML other m 2014-12-15T00:01:26.32
IV.OFFI.HHE. ML:2.4 0.0006445 0.46 AML other m 2014-12-15T00:01:41.58
IV.OFFI.HHN. ML:2.3 0.000512 0.82 AML other m 2014-12-15T00:01:44.21
IV.PIEI.HHN. ML:1.6 0.000040749999999999994 0.78 AML other m 2014-12-15T00:02:02.48
IV.PIEI.HHE. ML:1.7 0.00004935 0.62 AML other m 2014-12-15T00:02:01.03
IV.PP3.EHE. ML:2.5 0.00040849999999999995 0.48 AML other m 2014-12-15T00:01:49.97
IV.PP3.EHN. ML:2.4 0.00032950000000000004 0.42 AML other m 2014-12-15T00:01:50.00
IV.RM33.EHN. ML:2.6 0.002045 0.16 AML other m 2014-12-15T00:01:30.26
IV.RM33.EHE. ML:2.4 0.0012749999999999999 0.18 AML other m 2014-12-15T00:01:30.40
IV.SMA1.EHN. ML:2.6 0.0029449999999999997 0.18 AML other m 2014-12-15T00:01:29.83
IV.SMA1.EHE. ML:2.6 0.0028499999999999997 0.54 AML other m 2014-12-15T00:01:33.46
IV.SNTG.HHE. ML:1.9 0.0001525 1.56 AML other m 2014-12-15T00:01:46.23
IV.SNTG.HHN. ML:2.0 0.00021349999999999999 0.56 AML other m 2014-12-15T00:01:42.82
IV.T0110.HHN. ML:2.1 0.0001735 0.64 AML other m 2014-12-15T00:01:51.57
IV.T0110.HHE. ML:2.1 0.0001945 0.94 AML other m 2014-12-15T00:01:49.33
IV.TERO.HNN. ML:2.4 0.0009310000000000001 0.54 AML other m 2014-12-15T00:01:35.02
IV.TERO.HHE. ML:1.9 0.000248 0.52 AML other m 2014-12-15T00:01:34.96
IV.TERO.HHN. ML:2.1 0.000404 0.54 AML other m 2014-12-15T00:01:35.02
IV.TERO.HNE. ML:2.3 0.000719 1.3 AML other m 2014-12-15T00:01:36.17
IV.VCEL.EHN. ML:2.2 0.0002965 0.84 AML other m 2014-12-15T00:01:44.28
IV.VCEL.EHE. ML:2.2 0.00027749999999999997 0.48 AML other m 2014-12-15T00:01:45.43
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
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Type Description Link
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