Earthquake with magnitude of ML 2.1 on date 30-10-2016 and time 22:09:30 (Italy) in region 4 km E Norcia (PG)

A magnitude ML 2.1 earthquake occured in region: 4 km E Norcia (PG), on

  • 30-10-2016 21:09:30 (UTC)
  • 30-10-2016 22:09:30 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.7920, 13.1380 at 13 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.

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 4 4957 4957
Castelsantangelo sul Nera MC 12 281 5238
Preci PG 13 724 5962
Cascia PG 13 3217 9179
Arquata del Tronto AP 13 1178 10357
Accumoli RI 14 667 11024
Visso MC 16 1107 12131
Ussita MC 17 444 12575
Montegallo AP 17 523 13098
Cerreto di Spoleto PG 18 1075 14173
Poggiodomo PG 19 117 14290
Cittareale RI 19 482 14772
Montemonaco AP 20 604 15376

Municipalities with at least 50000 inhabitants

An earthquake occurred to
40 Km E of Foligno (57155 inhabitants)
48 Km NE of Terni (111501 inhabitants)
49 Km W of Teramo (54892 inhabitants)
53 Km NW of L'Aquila (69753 inhabitants)
70 Km SE of Perugia (166134 inhabitants)
88 Km W of Montesilvano (53738 inhabitants)
94 Km E of Viterbo (67173 inhabitants)
94 Km NE of Guidonia Montecelio (88673 inhabitants)
95 Km W of Pescara (121014 inhabitants)
96 Km N of Tivoli (56533 inhabitants)
97 Km SW of Ancona (100861 inhabitants)
98 Km NW 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 2016-10-30
21:09:30
42.7923 13.1377 13 2019-02-12
14:03:22
Bollettino Sismico Italiano INGV 47057361
Reviewed
Rev100
ML 2.6 2016-10-30
21:09:44
42.8018 13.1387 11 2016-10-30
21:20:40
Sala Sismica INGV-Roma 31140201
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2016-10-30 21:09:30 ± 0.03
Latitude 42.7923 ± 0.0018
Longitude 13.1377 ± 0.0025
Depth (km) 13 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 47057361

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 230
Semi-minor axis of confidence ellipse (meter) 42
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 257
Circular confidence region, given by single value of horizontal uncertainty (meter) 230.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 34
Number of associated phases, regardless of their use for origin computation 69
Number of defining phases 69
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.19
Epicentral distance of station closest to the epicenter (degree) 0.07374
Epicentral distance of station farthest from the epicenter (degree) 0.72216
Number of stations at which the event was observed 38
Number of stations from which data was used for origin computation 38
Magnitudes information

ML:2.6

Field Value
Value 2.6
Uncertainty 0.3
Num. used stations 17
Type of magnitude ML
Reference to an origin 31140201
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2016-10-30 21:20:38

ML:2.1

Field Value
Value 2.1
Uncertainty 0.3
Num. used stations 16
Type of magnitude ML
Reference to an origin 47057361
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2017-06-23 06:58:19
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.FIAM.HHZ. 2016-10-30T21:09:48.50 0.6 undecidable manual S 182 58.1973 93 0.16 45
IV.SNTG.HHZ. 2016-10-30T21:09:47.48 0.6 undecidable manual S 343 53.8017 93 0.31 43
IV.GIGS.HHZ. 2016-10-30T21:09:46.63 0.6 undecidable manual S 136 51.7038 93 0.01 47
IV.ASSB.HHZ. 2016-10-30T21:09:45.99 0.6 undecidable manual S 306 47.8188 93 0.42 43
IV.TERO.HHZ. 2016-10-30T21:09:44.05 0.6 undecidable manual S 116 42.4242 94 -0.09 47
IV.T1247.HHZ. 2016-10-30T21:09:44.21 0.6 undecidable manual S 161 41.0256 94 0.43 44
IV.SRES.HHZ. 2016-10-30T21:09:44.42 0.3 undecidable manual P 220 80.1642 92 0.3 63
IV.MDAR.HNN. 2016-10-30T21:09:44.83 0.6 undecidable manual S 1 44.4222 94 0.15 46
IV.ARVD.HHZ. 2016-10-30T21:09:44.65 0.6 undecidable manual P 349 79.8645 92 0.57 39
IV.ARRO.EHZ. 2016-10-30T21:09:43.38 0.6 undecidable manual S 232 38.4282 95 0.3 46
IV.CAMP.HHZ. 2016-10-30T21:09:42.47 0.6 undecidable manual S 142 36.0417 95 0.02 48
IV.T1211.EHZ. 2016-10-30T21:09:42.87 0.6 undecidable manual S 219 36.8298 95 0.2 47
IV.GUMA.HHZ. 2016-10-30T21:09:42.62 0.6 undecidable manual S 28 34.0437 96 0.71 39
IV.T1246.HHN. 2016-10-30T21:09:42.80 0.6 undecidable manual S 129 37.1295 95 0.07 48
IV.RM33.EHZ. 2016-10-30T21:09:41.44 0.6 undecidable manual S 169 32.0457 96 0.05 49
IV.FOSV.EHZ. 2016-10-30T21:09:41.68 0.3 undecidable manual P 331 63.5919 92 0.12 67
IV.CSP1.EHZ. 2016-10-30T21:09:41.67 0.6 undecidable manual S 9 33.6441 96 -0.14 48
IV.SNTG.HHZ. 2016-10-30T21:09:40.14 0.3 undecidable manual P 343 53.8017 93 0.09 69
IV.FIAM.HHZ. 2016-10-30T21:09:40.53 0.3 undecidable manual P 182 58.1973 93 -0.2 66
IV.ATCC.EHZ. 2016-10-30T21:09:40.96 0.3 undecidable manual P 317 59.3961 92 0.03 69
IV.T1241.EHZ. 2016-10-30T21:09:39.47 0.6 undecidable manual S 73 24.9528 100 -0.03 49
IV.T1256.HHZ. 2016-10-30T21:09:39.32 0.6 undecidable manual S 17 24.8529 100 -0.15 48
IV.T1243.HNZ. 2016-10-30T21:09:39.77 0.6 undecidable manual S 113 27.4503 98 -0.39 45
IV.MNTP.HNZ. 2016-10-30T21:09:39.43 0.3 undecidable manual P 35 46.8198 93 0.45 65
IV.SMA1.EHZ. 2016-10-30T21:09:39.22 0.6 undecidable manual S 138 24.1536 100 -0.07 48
IV.GIGS.HHZ. 2016-10-30T21:09:39.40 0.3 undecidable manual P 136 51.7038 93 -0.34 65
XO.AM05.EHZ. 2016-10-30T21:09:39.94 0.6 undecidable manual S 40 26.9508 98 -0.1 48
IV.OFFI.HHZ. 2016-10-30T21:09:39.75 0.1 undecidable manual P 70 47.3193 93 0.69 79
IV.FDMO.HHN. 2016-10-30T21:09:39.93 0.6 undecidable manual S 351 27.3504 98 -0.22 47
IV.CESX.HHZ. 2016-10-30T21:09:39.14 0.3 undecidable manual P 246 49.3173 93 -0.23 67
IV.T1204.EHZ. 2016-10-30T21:09:38.16 0.6 undecidable manual S 131 19.4694 106 0.08 49
IV.LNSS.HHZ. 2016-10-30T21:09:38.94 0.6 undecidable manual S 201 22.4553 102 0.09 49
IV.T1215.EHZ. 2016-10-30T21:09:38.68 0.6 undecidable manual S 273 21.9669 102 -0.04 49
IV.T1247.HHZ. 2016-10-30T21:09:38.00 0.3 undecidable manual P 161 41.0256 94 -0.1 70
IV.T1299.HNN. 2016-10-30T21:09:38.68 0.6 undecidable manual S 146 21.1677 103 0.18 48
IV.MDAR.HNN. 2016-10-30T21:09:38.47 0.3 undecidable manual P 1 44.4222 94 -0.15 70
IV.T1201.HNN. 2016-10-30T21:09:38.07 0.6 undecidable manual S 148 17.5713 109 0.48 45
IV.ASSB.HHZ. 2016-10-30T21:09:38.81 0.3 undecidable manual P 306 47.8188 93 -0.33 67
IV.T1217.HNZ. 2016-10-30T21:09:38.09 0.6 undecidable manual S 242 19.0698 106 0.13 49
IV.FEMA.HNE. 2016-10-30T21:09:38.05 0.6 undecidable manual S 339 20.1687 104 -0.2 48
IV.GUMA.HHZ. 2016-10-30T21:09:37.17 0.1 undecidable manual P 28 34.0437 96 0.15 94
IV.T1246.HHN. 2016-10-30T21:09:37.32 0.1 undecidable manual P 129 37.1295 95 -0.17 93
IV.ARRO.EHZ. 2016-10-30T21:09:37.63 0.1 undecidable manual P 232 38.4282 95 -0.07 94
IV.TERO.HHZ. 2016-10-30T21:09:37.99 0.3 undecidable manual P 116 42.4242 94 -0.31 67
IV.MMO1.HNZ. 2016-10-30T21:09:37.77 0.6 undecidable manual S 52 19.4694 106 -0.29 47
IV.CAMP.HHZ. 2016-10-30T21:09:37.10 0.1 undecidable manual P 142 36.0417 95 -0.23 92
IV.T1211.EHZ. 2016-10-30T21:09:37.39 0.1 undecidable manual P 219 36.8298 95 -0.07 95
IV.T1216.EHZ. 2016-10-30T21:09:36.67 0.6 undecidable manual S 319 14.5743 116 -0.18 49
IV.RM33.EHZ. 2016-10-30T21:09:36.70 0.3 undecidable manual P 169 32.0457 96 -0.01 72
IV.T1244.EHZ. 2016-10-30T21:09:36.80 0.6 undecidable manual S 107 13.5753 119 0.17 48
IV.CSP1.EHZ. 2016-10-30T21:09:36.79 1.0 undecidable manual P 9 33.6441 96 -0.18 24
IV.T1245.HNZ. 2016-10-30T21:09:35.36 0.6 undecidable manual S 30 8.1807 139 -0.15 50
XO.AM05.EHZ. 2016-10-30T21:09:35.52 0.3 undecidable manual P 40 26.9508 98 -0.42 68
IV.FDMO.HHN. 2016-10-30T21:09:35.84 0.1 undecidable manual P 351 27.3504 98 -0.16 95
IV.T1241.EHZ. 2016-10-30T21:09:35.75 0.3 undecidable manual P 73 24.9528 100 0.12 72
IV.T1256.HHZ. 2016-10-30T21:09:35.46 0.1 undecidable manual P 17 24.8529 100 -0.15 96
IV.LNSS.HHZ. 2016-10-30T21:09:35.23 0.3 undecidable manual P 201 22.4553 102 -0.03 73
IV.T1243.HNZ. 2016-10-30T21:09:35.76 0.1 undecidable manual P 113 27.4503 98 -0.26 93
IV.T1215.EHZ. 2016-10-30T21:09:35.10 0.1 undecidable manual P 273 21.9669 102 -0.08 98
IV.SMA1.EHZ. 2016-10-30T21:09:35.39 0.1 undecidable manual P 138 24.1536 100 -0.12 96
IV.T1299.HNN. 2016-10-30T21:09:35.15 0.1 undecidable manual P 146 21.1677 103 0.09 98
IV.T1201.HNN. 2016-10-30T21:09:34.74 0.1 undecidable manual P 148 17.5713 109 0.21 96
IV.T1217.HNZ. 2016-10-30T21:09:34.70 0.1 undecidable manual P 242 19.0698 106 -0.04 99
IV.FEMA.HNE. 2016-10-30T21:09:34.82 0.3 undecidable manual P 339 20.1687 104 -0.09 74
IV.T1204.EHZ. 2016-10-30T21:09:34.85 1.0 undecidable manual P 131 19.4694 106 0.04 25
IV.T1216.EHZ. 2016-10-30T21:09:34.06 0.3 undecidable manual P 319 14.5743 116 -0.04 75
IV.MMO1.HNZ. 2016-10-30T21:09:34.70 0.3 undecidable manual P 52 19.4694 106 -0.1 73
IV.T1244.EHZ. 2016-10-30T21:09:34.11 0.1 undecidable manual P 107 13.5753 119 0.14 98
IV.T1245.HNZ. 2016-10-30T21:09:33.36 0.1 undecidable manual P 30 8.1807 139 0.03 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
XO.AM05.EHN. ML:1.4 0.00014336280000000002 0.0768 AML other m 2016-10-30T21:09:40.18
IV.CAMP.HHN. ML:1.8 0.0002606435 0.7296 AML other m 2016-10-30T21:09:42.67
IV.FIAM.HHE. ML:2.1 0.00028821755000000003 0.4096 AML other m 2016-10-30T21:09:48.95
IV.FOSV.EHE. ML:1.6 0.00007561397 0.1408 AML other m 2016-10-30T21:09:51.42
IV.GIGS.HHE. ML:1.5 0.000082831095 0.1408 AML other m 2016-10-30T21:09:47.03
IV.GUMA.HNN. ML:2.4 0.001135926 0.4992 AML other m 2016-10-30T21:09:43.24
IV.LNSS.HHE. ML:2.2 0.0010525608 0.1792 AML other m 2016-10-30T21:09:39.42
IV.RM33.EHN. ML:2.3 0.0008575173 0.1536 AML other m 2016-10-30T21:09:42.83
IV.SMA1.EHE. ML:2.1 0.0008327867 0.2176 AML other m 2016-10-30T21:09:41.25
IV.T1204.EHE. ML:2.4 0.001627958 0.1792 AML other m 2016-10-30T21:09:39.74
IV.T1211.HNE. ML:2.4 0.0010920615 0.128 AML other m 2016-10-30T21:09:43.56
IV.T1216.EHE. ML:2.1 0.0010283902999999998 0.0896 AML other m 2016-10-30T21:09:37.59
IV.T1217.EHN. ML:1.9 0.0006185153 0.064 AML other m 2016-10-30T21:09:38.60
IV.T1241.EHE. ML:2.2 0.0008126009000000001 0.1536 AML other m 2016-10-30T21:09:40.75
IV.T1247.HHE. ML:2.5 0.00095347295 0.3968 AML other m 2016-10-30T21:09:44.56
IV.TERO.HHN. ML:2.2 0.0005946288 0.1024 AML other m 2016-10-30T21:09:44.40
IV.TERO.HNN. ML:2.2 0.0005354582 0.128 AML other m 2016-10-30T21:09:44.47
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