Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.1 on date 21-01-2017 and time 13:45:01 (UTC) in region 1 km E Barete (AQ)

A magnitude ML 2.1 earthquake occured in region: 1 km E Barete (AQ), on

  • 21-01-2017 13:45:01 (UTC)
  • 21-01-2017 14:45:01 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.4500, 13.2910 at 16 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.

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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
Barete AQ 1 737 737
Pizzoli AQ 2 4326 5063
Cagnano Amiterno AQ 6 1369 6432
Capitignano AQ 8 665 7097
Montereale AQ 9 2581 9678
Scoppito AQ 9 3727 13405
Campotosto AQ 14 542 13947
L'Aquila AQ 14 69753 83700
Borbona RI 15 617 84317
Antrodoco RI 18 2588 86905
Tornimparte AQ 18 3187 90092
Posta RI 18 694 90786
Lucoli AQ 18 1011 91797
Crognaleto TE 19 1297 93094
Micigliano RI 19 127 93221
Borgo Velino RI 20 972 94193
Amatrice RI 20 2657 96850

Municipalities with at least 50000 inhabitants

An earthquake occurred to
14 Km NW of L'Aquila (69753 inhabitants)
41 Km SW of Teramo (54892 inhabitants)
54 Km E of Terni (111501 inhabitants)
68 Km NE of Tivoli (56533 inhabitants)
68 Km NE of Guidonia Montecelio (88673 inhabitants)
71 Km W of Montesilvano (53738 inhabitants)
73 Km W of Chieti (51815 inhabitants)
74 Km SE of Foligno (57155 inhabitants)
76 Km W of Pescara (121014 inhabitants)
91 Km NE of Roma (2864731 inhabitants)
95 Km NE of Velletri (53303 inhabitants)
97 Km E of Viterbo (67173 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 2.1 2017-01-21
13:45:01		 42.4502 13.2908 16 2017-01-21
13:53:08		 Sala Sismica INGV-Roma 39501271
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2017-01-21 13:45:01 ± 0.08
Latitude 42.4502 ± 0.0036
Longitude 13.2908 ± 0.0061
Depth (km) 16 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 39501271

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 488
Semi-minor axis of confidence ellipse (meter) 168
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 63
Circular confidence region, given by single value of horizontal uncertainty (meter) 490.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 58
Number of associated phases, regardless of their use for origin computation 47
Number of defining phases 42
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.21
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.92720
Number of stations at which the event was observed 28
Number of stations from which data was used for origin computation 24
Magnitude information

ML:2.1

Field Value
Value 2.1
Uncertainty 0.3
Num. used stations 20
Type of magnitude ML
Reference to an origin 39501271
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2017-01-21 13:53:08
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.CSNT.HHZ. 2017-01-21T13:45:32.45 3.0 undecidable manual Pn 2.11 0
IV.LPEL.HHZ. 2017-01-21T13:45:26.37 3.0 undecidable manual S -2.37 0
IV.T1220.EHZ. 2017-01-21T13:45:24.20 0.6 undecidable manual S 347 75.0693 95 0.53 42
IV.CESI.HHZ. 2017-01-21T13:45:22.54 0.6 undecidable manual S 333 69.0753 95 0.44 43
IV.GUMA.HHZ. 2017-01-21T13:45:22.76 0.6 undecidable manual S 3 68.0763 95 0.95 36
IV.FDMO.HHZ. 2017-01-21T13:45:21.68 0.3 undecidable manual S 346 67.0773 95 0.12 70
IV.MC2.EHZ. 2017-01-21T13:45:18.18 0.6 undecidable manual S 351 51.8037 97 0.67 41
IV.CING.HHZ. 2017-01-21T13:45:18.58 0.3 negative manual P 356 102.9192 93 0.15 64
IV.SNTG.HHZ. 2017-01-21T13:45:17.17 3.0 undecidable manual P -0.11 0
IV.T1216.EHZ. 2017-01-21T13:45:17.96 0.6 undecidable manual S 336 53.7018 97 -0.03 48
IV.EL6.EHZ. 2017-01-21T13:45:17.57 3.0 negative manual P -0.31 0
IV.T1215.EHZ. 2017-01-21T13:45:17.73 0.6 undecidable manual S 319 52.1034 97 0.16 47
IV.MOMA.HHZ. 2017-01-21T13:45:14.05 0.6 positive manual P 304 70.6737 95 0.57 41
IV.LPEL.HHZ. 2017-01-21T13:45:14.67 3.0 undecidable manual P -1.82 0
IV.T1212.EHZ. 2017-01-21T13:45:13.84 0.6 undecidable manual S 329 39.0276 101 -0.29 47
IV.T1220.EHZ. 2017-01-21T13:45:13.90 1.0 undecidable manual P 347 75.0693 95 -0.24 22
IV.CESI.HHZ. 2017-01-21T13:45:13.04 1.0 negative manual P 333 69.0753 95 -0.19 22
IV.T1211.EHZ. 2017-01-21T13:45:13.67 0.6 undecidable manual S 285 36.8298 102 0.12 48
IV.GUMA.HHZ. 2017-01-21T13:45:13.13 0.3 undecidable manual P 3 68.0763 95 0.06 70
IV.CERT.HHZ. 2017-01-21T13:45:12.08 0.1 undecidable manual P 205 61.0944 96 0.07 94
IV.FDMO.HHZ. 2017-01-21T13:45:12.46 1.0 positive manual P 346 67.0773 95 -0.46 21
IV.OFFI.HHZ. 2017-01-21T13:45:12.86 0.6 negative manual P 31 62.6928 96 0.62 42
IV.T1202.EHZ. 2017-01-21T13:45:11.36 0.6 undecidable manual S 349 28.6491 107 -0.07 50
IV.FIAM.HHZ. 2017-01-21T13:45:10.43 0.6 undecidable manual S 215 24.753 111 -0.02 51
IV.T1215.EHZ. 2017-01-21T13:45:10.34 1.0 negative manual P 319 52.1034 97 -0.28 23
IV.LNSS.HHZ. 2017-01-21T13:45:10.62 0.6 undecidable manual S 310 26.5512 109 -0.29 48
IV.MC2.EHZ. 2017-01-21T13:45:10.30 0.1 undecidable manual P 351 51.8037 97 -0.28 91
IV.T1218.EHZ. 2017-01-21T13:45:10.99 0.6 undecidable manual S 330 28.2495 107 -0.36 47
IV.T1216.EHZ. 2017-01-21T13:45:10.58 0.6 negative manual P 336 53.7018 97 -0.28 45
IV.T1222.EHZ. 2017-01-21T13:45:09.62 0.6 undecidable manual S 256 21.4674 115 -0.04 51
IV.ARRO.EHZ. 2017-01-21T13:45:09.56 1.0 positive manual P 289 45.2214 99 -0.02 24
IV.GIGS.HHZ. 2017-01-21T13:45:09.58 0.6 undecidable manual S 89 23.0547 113 -0.47 46
IV.T1211.EHZ. 2017-01-21T13:45:08.28 1.0 positive manual P 285 36.8298 102 -0.02 25
MN.AQU.HHZ. 2017-01-21T13:45:08.39 0.6 undecidable manual S 139 14.1747 130 0.38 48
IV.T1212.EHZ. 2017-01-21T13:45:08.34 0.1 positive manual P 329 39.0276 101 -0.29 93
IV.T1202.EHZ. 2017-01-21T13:45:07.04 0.1 undecidable manual P 349 28.6491 107 -0.04 100
IV.FAGN.HHZ. 2017-01-21T13:45:07.66 0.3 negative manual P 130 31.5462 105 0.15 73
IV.T1218.EHZ. 2017-01-21T13:45:06.77 0.1 undecidable manual P 330 28.2495 107 -0.26 96
IV.RM33.EHZ. 2017-01-21T13:45:06.72 0.6 undecidable manual S 316 8.9799 145 -0.35 49
IV.GIGS.HHZ. 2017-01-21T13:45:06.03 0.3 negative manual P 89 23.0547 113 -0.24 73
IV.FIAM.HHZ. 2017-01-21T13:45:06.69 0.6 positive manual P 215 24.753 111 0.18 49
IV.LNSS.HHZ. 2017-01-21T13:45:06.70 0.3 positive manual P 310 26.5512 109 -0.08 75
IV.T1247.HHZ. 2017-01-21T13:45:06.35 0.3 undecidable manual S 147 1.0989 175 0.01 79
IV.T1222.EHZ. 2017-01-21T13:45:05.98 1.0 negative manual P 256 21.4674 115 -0.07 25
MN.AQU.HHZ. 2017-01-21T13:45:05.07 0.6 positive manual P 139 14.1747 130 -0.03 52
IV.T1247.HHZ. 2017-01-21T13:45:04.18 0.3 positive manual P 147 1.0989 175 0.04 78
IV.RM33.EHZ. 2017-01-21T13:45:04.49 0.3 undecidable manual P 316 8.9799 145 -0.07 78
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
MN.AQU.HHE. ML:1.6 0.0003025 0.26 AML other m 2017-01-21T13:45:09.34
MN.AQU.HHN. ML:1.7 0.0004115 0.18 AML other m 2017-01-21T13:45:09.38
IV.ARRO.EHN. ML:1.6 0.0001175 0.58 AML other m 2017-01-21T13:45:17.35
IV.ARRO.EHE. ML:1.7 0.00014850000000000003 0.2 AML other m 2017-01-21T13:45:18.02
IV.CERT.HHN. ML:1.5 0.0000603 0.48 AML other m 2017-01-21T13:45:23.44
IV.CERT.HHE. ML:1.6 0.00007950000000000001 0.76 AML other m 2017-01-21T13:45:28.24
IV.CESI.HHN. ML:1.9 0.000142 0.22 AML other m 2017-01-21T13:45:24.65
IV.CESI.HHE. ML:1.9 0.0001275 0.46 AML other m 2017-01-21T13:45:23.34
IV.FAGN.HHN. ML:2.0 0.00037 1.48 AML other m 2017-01-21T13:45:17.90
IV.FAGN.HHE. ML:1.9 0.00035049999999999995 0.32 AML other m 2017-01-21T13:45:17.08
IV.FIAM.HHN. ML:1.4 0.000124 1.34 AML other m 2017-01-21T13:45:12.23
IV.FIAM.HHE. ML:1.4 0.000131 1.18 AML other m 2017-01-21T13:45:15.02
IV.GIGS.HHE. ML:1.5 0.0001725 0.18 AML other m 2017-01-21T13:45:09.71
IV.GIGS.HHN. ML:1.4 0.00013319999999999999 0.14 AML other m 2017-01-21T13:45:10.61
IV.GUMA.HNE. ML:2.3 0.0003085 0.28 AML other m 2017-01-21T13:45:23.68
IV.GUMA.HHE. ML:2.3 0.0003235 0.42 AML other m 2017-01-21T13:45:24.35
IV.GUMA.HNN. ML:2.4 0.000447 0.24 AML other m 2017-01-21T13:45:23.23
IV.GUMA.HHN. ML:2.3 0.00032950000000000004 0.24 AML other m 2017-01-21T13:45:23.36
IV.LNSS.HHN. ML:2.0 0.0004985 0.42 AML other m 2017-01-21T13:45:11.44
IV.LNSS.HHE. ML:2.0 0.00043500000000000006 0.14 AML other m 2017-01-21T13:45:11.82
IV.RM33.EHN. ML:2.4 0.0021149999999999997 0.14 AML other m 2017-01-21T13:45:06.86
IV.RM33.HNN. ML:2.4 0.00216 0.14 AML other m 2017-01-21T13:45:06.86
IV.RM33.HNE. ML:2.3 0.0018849999999999997 0.1 AML other m 2017-01-21T13:45:07.53
IV.RM33.EHE. ML:2.3 0.0018700000000000001 0.12 AML other m 2017-01-21T13:45:07.54
IV.T1202.EHN. ML:2.9 0.0034249999999999997 0.16 AML other m 2017-01-21T13:45:12.35
IV.T1202.EHE. ML:2.7 0.0025 0.12 AML other m 2017-01-21T13:45:12.20
IV.T1211.EHE. ML:1.9 0.0002735 1.68 AML other m 2017-01-21T13:45:14.09
IV.T1211.EHN. ML:1.9 0.0003095 0.52 AML other m 2017-01-21T13:45:14.33
IV.T1211.HNN. ML:2.1 0.00040449999999999997 0.9 AML other m 2017-01-21T13:45:15.42
IV.T1211.HNE. ML:1.9 0.00027949999999999996 0.98 AML other m 2017-01-21T13:45:14.09
IV.T1212.EHE. ML:2.0 0.000338 1.12 AML other m 2017-01-21T13:45:15.30
IV.T1212.HNN. ML:2.0 0.00032 0.98 AML other m 2017-01-21T13:45:15.32
IV.T1212.EHN. ML:2.0 0.0003465 0.7 AML other m 2017-01-21T13:45:14.47
IV.T1212.HNE. ML:2.0 0.0003505 1.32 AML other m 2017-01-21T13:45:15.30
IV.T1215.EHE. ML:1.6 0.0000841 1.24 AML other m 2017-01-21T13:45:18.06
IV.T1215.EHN. ML:1.6 0.00009675000000000001 0.86 AML other m 2017-01-21T13:45:19.56
IV.T1216.EHN. ML:2.3 0.0004285 0.66 AML other m 2017-01-21T13:45:19.52
IV.T1216.EHE. ML:2.2 0.00035450000000000005 0.38 AML other m 2017-01-21T13:45:20.36
IV.T1218.HNE. ML:2.2 0.000752 0.14 AML other m 2017-01-21T13:45:11.42
IV.T1218.EHE. ML:2.2 0.0006810000000000001 0.14 AML other m 2017-01-21T13:45:11.42
IV.T1218.EHN. ML:2.3 0.0010385 0.24 AML other m 2017-01-21T13:45:11.32
IV.T1218.HNN. ML:2.3 0.001027 0.24 AML other m 2017-01-21T13:45:11.32
IV.T1220.EHN. ML:2.5 0.0004665 0.24 AML other m 2017-01-21T13:45:26.57
IV.T1220.HNN. ML:2.5 0.00045099999999999996 0.22 AML other m 2017-01-21T13:45:26.56
IV.T1220.EHE. ML:2.5 0.000452 0.24 AML other m 2017-01-21T13:45:28.61
IV.T1220.HNE. ML:2.5 0.0004465 0.26 AML other m 2017-01-21T13:45:28.60
IV.T1222.EHE. ML:1.6 0.000266 1.6 AML other m 2017-01-21T13:45:09.03
IV.T1222.EHN. ML:1.7 0.00028349999999999995 1.36 AML other m 2017-01-21T13:45:09.01
IV.T1247.HHE. ML:2.6 0.004095 0.16 AML other m 2017-01-21T13:45:06.42
IV.T1247.HHN. ML:2.6 0.004505000000000001 0.1 AML other m 2017-01-21T13:45:06.63
IV.T1299.EHN. ML:2.4 0.001565 0.6 AML other m 2017-01-21T13:45:13.39
IV.T1299.HNE. ML:2.5 0.002 0.2 AML other m 2017-01-21T13:45:13.57
IV.T1299.EHE. ML:2.5 0.00198 0.2 AML other m 2017-01-21T13:45:13.58
IV.T1299.HNN. ML:2.4 0.0015 0.62 AML other m 2017-01-21T13:45:13.38
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
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Type Description Link
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