Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.5 on date 20-11-2012 and time 17:58:36 (Italy) in region 6 km W Sellano (PG)

A magnitude ML 2.5 earthquake occured in region: 6 km W Sellano (PG), on

  • 20-11-2012 16:58:36 (UTC)
  • 20-11-2012 17:58:36 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.8940, 12.8600 at 52 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.

Hai sentito il terremoto? Clicca qui

Did you feel it? Fill in the questionnaire.

Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Sellano PG 6 1079 1079
Trevi PG 9 8469 9548
Cerreto di Spoleto PG 9 1075 10623
Campello sul Clitunno PG 11 2442 13065
Vallo di Nera PG 14 364 13429
Foligno PG 14 57155 70584
Preci PG 15 724 71308
Monte Cavallo MC 16 145 71453
Montefalco PG 17 5679 77132
Castel Ritaldi PG 17 3278 80410
Sant'Anatolia di Narco PG 18 564 80974
Spello PG 19 8645 89619
Visso MC 19 1107 90726

Municipalities with at least 50000 inhabitants

An earthquake occurred to
14 Km E of Foligno (57155 inhabitants)
41 Km NE of Terni (111501 inhabitants)
45 Km SE of Perugia (166134 inhabitants)
74 Km W of Teramo (54892 inhabitants)
75 Km NW of L'Aquila (69753 inhabitants)
81 Km NE of Viterbo (67173 inhabitants)
97 Km SW of Ancona (100861 inhabitants)
100 Km N of Guidonia Montecelio (88673 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 2.5 2012-11-20
16:58:36		 42.8972 12.8832 51 2014-10-21
12:08:56		 Sala Sismica INGV-Roma 2598771
Bulletin
Rev1000 		ML 2.5 2012-11-20
16:58:36		 42.894 12.86 52 2014-09-19
08:14:18		 Bollettino Sismico Italiano INGV 2954611
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2012-11-20 16:58:36 ± 0.09
Latitude 42.8940 ± 0.0054
Longitude 12.8600 ± 0.0086
Depth (km) 52 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 2954611

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 648
Semi-minor axis of confidence ellipse (meter) 375
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 232
Circular confidence region, given by single value of horizontal uncertainty (meter) 650.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 32
Number of associated phases, regardless of their use for origin computation 60
Number of defining phases 60
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) 0.11511
Epicentral distance of station farthest from the epicenter (degree) 1.04411
Number of stations at which the event was observed 48
Number of stations from which data was used for origin computation 48
Magnitudes information

ML:2.5

Field Value
Value 2.5
Uncertainty 0.3
Num. used stations 42
Type of magnitude ML
Reference to an origin 2954611
Agency INGV
Autore Manually reviewed by Franco Mele
Time of creation (UTC) 2014-09-18 12:44:38

ML:2.5

Field Value
Value 2.5
Uncertainty 0.3
Num. used stations 42
Type of magnitude ML
Reference to an origin 2598771
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2012-11-20 17:05:58
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.ATMI.HHZ. 2012-11-20T16:58:58.89 0.3 undecidable manual S 316 68.376 114 -0.32 65
IV.MURB.HHZ. 2012-11-20T16:58:55.87 1.0 undecidable manual S 327 49.1175 126 0.26 22
IV.TOLF.HHZ. 2012-11-20T16:58:55.05 0.3 undecidable manual P 218 115.8951 101 -0.21 60
IV.GUMA.HHZ. 2012-11-20T16:58:55.75 0.6 undecidable manual S 64 42.8238 131 1.19 31
IV.ATCC.EHZ. 2012-11-20T16:58:54.02 1.0 undecidable manual S 331 36.9297 136 0.39 22
IV.PTQR.HHZ. 2012-11-20T16:58:54.19 0.3 undecidable manual P 155 106.4157 103 0.09 64
IV.CRE.HHZ. 2012-11-20T16:58:53.79 0.1 undecidable manual P 318 108.9132 102 -0.61 73
IV.PARC.HHZ. 2012-11-20T16:58:53.03 0.1 undecidable manual P 329 97.6245 104 -0.01 87
IV.LNSS.HHZ. 2012-11-20T16:58:53.37 0.6 undecidable manual S 155 35.4423 138 -0.05 49
IV.CERT.HHZ. 2012-11-20T16:58:53.56 0.3 undecidable manual P 175 105.3168 103 -0.41 58
IV.ARRO.EHZ. 2012-11-20T16:58:53.45 0.3 undecidable manual S 192 35.742 137 -0.01 73
IV.CSP1.EHZ. 2012-11-20T16:58:53.99 1.0 undecidable manual S 52 35.5422 138 0.56 21
IV.MCIV.HHZ. 2012-11-20T16:58:53.28 0.3 undecidable manual P 263 97.125 105 0.3 62
IV.MOMA.HHZ. 2012-11-20T16:58:52.66 1.0 undecidable manual S 247 25.8519 148 0.5 22
IV.FSSB.HHZ. 2012-11-20T16:58:52.58 0.1 undecidable manual P 356 88.8444 107 0.58 78
IV.AOI.HHZ. 2012-11-20T16:58:52.05 0.1 undecidable manual P 39 94.3389 105 -0.6 76
IV.ATCA.HHZ. 2012-11-20T16:58:51.66 0.1 undecidable manual P 327 88.6446 107 -0.31 83
IV.FEMA.HNZ. 2012-11-20T16:58:51.12 0.6 undecidable manual S 64 17.1717 158 -0.18 50
IV.BADI.EHZ. 2012-11-20T16:58:51.25 0.1 undecidable manual P 324 84.5487 108 -0.23 85
IV.FDMO.HHZ. 2012-11-20T16:58:51.75 1.0 undecidable manual S 49 24.2535 149 -0.24 24
IV.NARO.HHZ. 2012-11-20T16:58:51.63 0.3 undecidable manual P 344 82.6506 109 0.37 62
IV.SACS.HHZ. 2012-11-20T16:58:51.07 0.1 undecidable manual P 267 77.4669 110 0.43 83
IV.NRCA.HHZ. 2012-11-20T16:58:51.18 0.3 undecidable manual S 108 21.7671 152 -0.54 68
IV.CAFI.HHZ. 2012-11-20T16:58:51.84 0.1 undecidable manual P 304 86.9463 107 0.07 88
IV.MPAG.EHZ. 2012-11-20T16:58:51.68 0.1 undecidable manual P 354 81.9513 109 0.51 81
IV.CDCA.EHZ. 2012-11-20T16:58:50.50 0.3 undecidable manual P 321 80.5638 109 -0.51 60
IV.CESI.HHZ. 2012-11-20T16:58:50.91 0.6 undecidable manual S 16 12.7761 163 -0.08 51
IV.ATMC.EHZ. 2012-11-20T16:58:50.86 0.1 undecidable manual P 319 81.6516 109 -0.28 85
IV.OFFI.HHZ. 2012-11-20T16:58:50.34 0.3 undecidable manual P 86 67.2771 115 0.87 54
IV.ATPC.HHZ. 2012-11-20T16:58:50.11 0.1 undecidable manual P 334 72.7716 112 0 91
IV.FIAM.HHZ. 2012-11-20T16:58:49.72 0.3 undecidable manual P 163 72.5718 112 -0.36 63
IV.TERO.HHZ. 2012-11-20T16:58:49.35 0.1 undecidable manual P 116 67.6767 115 -0.17 89
IV.ATBU.EHZ. 2012-11-20T16:58:49.95 0.1 undecidable manual P 339 69.2751 114 0.25 88
IV.ARVD.HHZ. 2012-11-20T16:58:49.79 0.1 undecidable manual P 6 67.2771 115 0.31 87
IV.ATMI.HHZ. 2012-11-20T16:58:49.52 0.1 undecidable manual P 316 68.376 114 -0.09 91
IV.FRON.EHZ. 2012-11-20T16:58:49.84 0.1 undecidable manual P 351 70.0743 114 0.05 91
IV.ATPI.EHZ. 2012-11-20T16:58:49.76 0.1 undecidable manual P 329 71.9724 113 -0.25 87
IV.MGAB.HHZ. 2012-11-20T16:58:49.43 0.1 undecidable manual P 272 60.7947 118 0.67 79
IV.CING.HHZ. 2012-11-20T16:58:48.90 0.3 undecidable manual P 27 59.8956 119 0.24 67
IV.ATFO.HHZ. 2012-11-20T16:58:48.30 0.3 undecidable manual P 336 57.3981 120 -0.09 70
IV.SSFR.HHZ. 2012-11-20T16:58:48.73 0.1 undecidable manual P 354 60.495 119 0.01 93
IV.ATVO.HHZ. 2012-11-20T16:58:48.97 0.1 undecidable manual P 326 65.3901 116 -0.3 87
IV.ATVA.EHZ. 2012-11-20T16:58:48.76 0.1 undecidable manual P 313 63.1923 117 -0.25 88
IV.ATTE.HHZ. 2012-11-20T16:58:48.14 0.1 undecidable manual P 310 53.1024 123 0.2 91
IV.GUMA.HHZ. 2012-11-20T16:58:47.16 0.1 undecidable manual P 64 42.8238 131 0.24 92
IV.SMA1.EHZ. 2012-11-20T16:58:47.44 0.1 undecidable manual P 127 48.5181 127 -0.02 95
IV.EL6.EHZ. 2012-11-20T16:58:47.95 0.1 undecidable manual P 22 52.1034 124 0.12 93
IV.MURB.HHZ. 2012-11-20T16:58:47.61 0.1 undecidable manual P 327 49.1175 126 0.08 94
IV.LNSS.HHZ. 2012-11-20T16:58:46.12 0.1 negative manual P 155 35.4423 138 -0.14 95
IV.SNTG.HHZ. 2012-11-20T16:58:46.62 0.1 positive manual P 9 40.5261 133 -0.09 96
IV.FOSV.EHZ. 2012-11-20T16:58:46.84 0.1 undecidable manual P 350 45.2214 129 -0.3 91
IV.ATCC.EHZ. 2012-11-20T16:58:46.29 0.1 positive manual P 331 36.9297 136 -0.09 96
IV.CESX.HHZ. 2012-11-20T16:58:46.78 0.1 undecidable manual P 215 38.7279 135 0.24 93
IV.ARRO.EHZ. 2012-11-20T16:58:46.50 0.1 undecidable manual P 192 35.742 137 0.22 94
IV.CSP1.EHZ. 2012-11-20T16:58:46.29 0.1 undecidable manual P 52 35.5422 138 0.02 97
IV.FDMO.HHZ. 2012-11-20T16:58:45.15 0.1 undecidable manual P 49 24.2535 149 -0.28 95
IV.MOMA.HHZ. 2012-11-20T16:58:45.86 0.1 undecidable manual P 247 25.8519 148 0.32 93
IV.NRCA.HHZ. 2012-11-20T16:58:45.04 0.1 undecidable manual P 108 21.7671 152 -0.24 96
IV.FEMA.HNZ. 2012-11-20T16:58:44.92 0.1 undecidable manual P 64 17.1717 158 -0.12 99
IV.CESI.HHZ. 2012-11-20T16:58:44.73 0.1 positive manual P 16 12.7761 163 -0.13 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.ARRO.EHN. ML:2.6 0.000703 1.54 AML other m 2012-11-20T16:58:54.82
IV.ARRO.EHE. ML:2.6 0.0008340000000000001 0.22 AML other m 2012-11-20T16:58:54.55
IV.ARVD.HHN. ML:2.4 0.000308 1.36 AML other m 2012-11-20T16:59:02.77
IV.ARVD.HHE. ML:2.5 0.0003965 0.76 AML other m 2012-11-20T16:59:02.41
IV.ATBU.EHN. ML:2.4 0.0002945 0.52 AML other m 2012-11-20T16:59:11.69
IV.ATBU.EHE. ML:2.3 0.0002695 1.26 AML other m 2012-11-20T16:59:11.97
IV.ATCA.HHN. ML:2.0 0.00009445 1.2 AML other m 2012-11-20T16:59:03.96
IV.ATCA.HHE. ML:2.0 0.00010055 0.36 AML other m 2012-11-20T16:59:10.54
IV.ATCC.EHE. ML:2.4 0.00046100000000000004 0.3 AML other m 2012-11-20T16:58:54.28
IV.ATCC.EHN. ML:2.3 0.000422 0.42 AML other m 2012-11-20T16:58:54.07
IV.ATFO.HHE. ML:2.2 0.0002575 0.74 AML other m 2012-11-20T16:59:04.71
IV.ATFO.HHN. ML:2.2 0.000226 0.52 AML other m 2012-11-20T16:59:03.06
IV.ATMC.EHE. ML:2.6 0.000418 0.14 AML other m 2012-11-20T16:59:02.36
IV.ATMC.EHN. ML:2.5 0.0003505 0.9 AML other m 2012-11-20T16:59:02.73
IV.ATMI.HHE. ML:2.6 0.000544 1.14 AML other m 2012-11-20T16:59:04.66
IV.ATMI.HHN. ML:2.8 0.0007035 0.92 AML other m 2012-11-20T16:58:59.57
IV.ATPC.HHN. ML:2.4 0.00026700000000000004 0.26 AML other m 2012-11-20T16:59:02.21
IV.ATPC.HHE. ML:2.4 0.00027150000000000004 1.34 AML other m 2012-11-20T16:59:01.32
IV.ATTE.HHN. ML:2.6 0.000617 0.88 AML other m 2012-11-20T16:58:56.83
IV.ATTE.HHE. ML:2.6 0.0005525 1.42 AML other m 2012-11-20T16:58:56.71
IV.ATVA.EHE. ML:2.3 0.0002575 0.24 AML other m 2012-11-20T16:59:01.07
IV.ATVA.EHN. ML:2.3 0.000243 0.2 AML other m 2012-11-20T16:58:59.16
IV.ATVO.HHE. ML:2.1 0.000155 0.92 AML other m 2012-11-20T16:58:58.65
IV.ATVO.HHN. ML:2.1 0.00015799999999999996 0.32 AML other m 2012-11-20T16:58:58.37
IV.CAFI.HHE. ML:2.2 0.0001705 0.18 AML other m 2012-11-20T16:59:04.18
IV.CAFI.HHN. ML:2.2 0.0001645 0.18 AML other m 2012-11-20T16:59:03.17
IV.CDCA.HNE. ML:2.9 0.0007635000000000001 1.54 AML other m 2012-11-20T16:58:57.98
IV.CDCA.HNN. ML:3.0 0.00117 0.88 AML other m 2012-11-20T16:58:58.15
IV.CERT.HHN. ML:2.3 0.0001545 0.72 AML other m 2012-11-20T16:59:07.87
IV.CERT.HHE. ML:2.4 0.0001985 0.34 AML other m 2012-11-20T16:59:07.95
IV.CESI.HHE. ML:2.2 0.0004235 0.44 AML other m 2012-11-20T16:58:51.49
IV.CESI.HHN. ML:2.3 0.0004945 0.52 AML other m 2012-11-20T16:58:51.04
IV.CESX.HHE. ML:2.6 0.0007575 0.4 AML other m 2012-11-20T16:58:55.84
IV.CESX.HHN. ML:2.5 0.000615 1.58 AML other m 2012-11-20T16:58:55.84
NI.CGRP.HHN. ML:2.8 0.0000582 1.58 AML other m 2012-11-20T16:59:34.07
NI.CGRP.HHE. ML:3.0 0.000079 1.58 AML other m 2012-11-20T17:00:39.16
IV.CING.HHN. ML:2.9 0.0011085 0.74 AML other m 2012-11-20T16:59:00.62
IV.CING.HHE. ML:3.0 0.0013700000000000001 0.62 AML other m 2012-11-20T16:59:01.06
IV.CRE.HHE. ML:2.4 0.00016549999999999998 1.26 AML other m 2012-11-20T16:59:07.06
IV.CRE.HHN. ML:2.6 0.000275 0.22 AML other m 2012-11-20T16:59:07.16
IV.FAGN.HHE. ML:2.8 0.000641 0.9 AML other m 2012-11-20T16:59:07.76
IV.FAGN.HHN. ML:2.8 0.000533 0.44 AML other m 2012-11-20T16:59:10.96
IV.FDMO.HHN. ML:2.6 0.0008885000000000001 0.6 AML other m 2012-11-20T16:58:54.17
IV.FDMO.HHE. ML:2.7 0.0010499999999999997 1.32 AML other m 2012-11-20T16:58:53.93
IV.FEMA.HNN. ML:2.8 0.00147 1.2 AML other m 2012-11-20T16:58:52.08
IV.FEMA.HNE. ML:2.8 0.0014249999999999998 0.68 AML other m 2012-11-20T16:58:52.68
IV.FIAM.HHN. ML:2.3 0.00021500000000000002 0.82 AML other m 2012-11-20T16:59:00.60
IV.FIAM.HHE. ML:2.3 0.00022600000000000002 0.28 AML other m 2012-11-20T16:59:00.75
IV.FRON.EHN. ML:2.6 0.0005015 0.7 AML other m 2012-11-20T16:59:03.60
IV.FRON.EHE. ML:2.4 0.00033650000000000005 0.5 AML other m 2012-11-20T16:59:03.04
IV.FSSB.HHE. ML:2.8 0.000574 0.32 AML other m 2012-11-20T16:59:07.22
IV.FSSB.HHN. ML:2.7 0.0005124999999999999 0.22 AML other m 2012-11-20T16:59:09.78
IV.GUMA.HHN. ML:3.1 0.0023799999999999997 0.62 AML other m 2012-11-20T16:58:57.34
IV.GUMA.HHE. ML:3.4 0.0042650000000000006 0.48 AML other m 2012-11-20T16:58:56.33
IV.LNSS.HHN. ML:2.7 0.0010110000000000002 0.56 AML other m 2012-11-20T16:58:53.68
IV.LNSS.HHE. ML:2.6 0.000746 0.9 AML other m 2012-11-20T16:58:53.75
IV.MCIV.HHE. ML:2.0 0.00008669999999999999 0.24 AML other m 2012-11-20T16:59:06.76
IV.MCIV.HHN. ML:2.0 0.00007694999999999999 0.88 AML other m 2012-11-20T16:59:06.40
IV.MGAB.HHE. ML:2.9 0.0010035 0.38 AML other m 2012-11-20T16:58:59.76
IV.MGAB.HNE. ML:2.8 0.0009025000000000001 1.58 AML other m 2012-11-20T16:59:00.75
IV.MGAB.HHN. ML:2.8 0.0009785 0.48 AML other m 2012-11-20T16:58:59.43
IV.MGAB.HNN. ML:2.8 0.0009735000000000001 0.52 AML other m 2012-11-20T16:58:59.42
IV.MOMA.HHE. ML:3.0 0.0021500000000000004 0.2 AML other m 2012-11-20T16:58:54.17
IV.MOMA.HHN. ML:2.9 0.001915 0.26 AML other m 2012-11-20T16:58:53.61
IV.MPAG.EHE. ML:2.4 0.00023799999999999998 0.94 AML other m 2012-11-20T16:59:05.36
IV.MPAG.EHN. ML:2.4 0.0002725 0.52 AML other m 2012-11-20T16:59:05.63
IV.MURB.HHN. ML:3.0 0.001565 0.22 AML other m 2012-11-20T16:58:57.51
IV.MURB.HHE. ML:2.7 0.0008665000000000001 1.16 AML other m 2012-11-20T16:58:58.41
IV.NARO.HHE. ML:2.1 0.000139 0.12 AML other m 2012-11-20T16:59:06.56
IV.NARO.HHN. ML:2.0 0.00011075000000000001 1.38 AML other m 2012-11-20T16:59:07.70
IV.NRCA.HNE. ML:3.0 0.002005 0.12 AML other m 2012-11-20T16:58:51.78
IV.NRCA.HHN. ML:3.3 0.004940000000000001 0.12 AML other m 2012-11-20T16:58:51.63
IV.NRCA.HNN. ML:3.3 0.00449 0.12 AML other m 2012-11-20T16:58:51.63
IV.NRCA.HHE. ML:3.0 0.00206 0.12 AML other m 2012-11-20T16:58:51.77
IV.PARC.HHE. ML:2.1 0.0000984 1.4 AML other m 2012-11-20T16:59:13.21
IV.PARC.HHN. ML:2.1 0.00010025000000000001 1.56 AML other m 2012-11-20T16:59:17.08
IV.PTQR.HHE. ML:2.1 0.00010205 1.44 AML other m 2012-11-20T16:59:10.93
IV.PTQR.HHN. ML:2.0 0.00007780000000000001 0.34 AML other m 2012-11-20T16:59:09.75
IV.SACS.HHN. ML:2.5 0.000368 0.34 AML other m 2012-11-20T16:59:02.76
IV.SACS.HHE. ML:2.3 0.00022600000000000002 0.42 AML other m 2012-11-20T16:59:04.23
IV.SMA1.EHE. ML:2.8 0.0009915 0.14 AML other m 2012-11-20T16:58:56.57
IV.SMA1.EHN. ML:2.8 0.001075 0.26 AML other m 2012-11-20T16:58:58.46
IV.SNTG.HHN. ML:2.6 0.000651 0.54 AML other m 2012-11-20T16:58:58.69
IV.SNTG.HHE. ML:2.6 0.0006475 0.14 AML other m 2012-11-20T16:58:57.78
IV.SSFR.HHN. ML:2.9 0.001075 0.36 AML other m 2012-11-20T16:59:01.24
IV.SSFR.HHE. ML:3.1 0.0019 0.26 AML other m 2012-11-20T16:59:01.92
IV.TERO.HHN. ML:2.3 0.000241 0.5 AML other m 2012-11-20T16:59:01.33
IV.TERO.HHE. ML:2.3 0.00023 0.24 AML other m 2012-11-20T16:58:59.40
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
Waveforms Seismic signals in miniseed + resp format Download