Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.2 on date 23-12-2017 and time 17:35:02 (Italy) in region 1 km NE Fagnano Alto (AQ)

A magnitude ML 2.2 earthquake occured in region: 1 km NE Fagnano Alto (AQ), on

  • 23-12-2017 16:35:02 (UTC)
  • 23-12-2017 17:35:02 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.2620, 13.5860 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
Fagnano Alto AQ 1 418 418
Prata d'Ansidonia AQ 3 496 914
San Demetrio ne' Vestini AQ 4 1854 2768
Fontecchio AQ 4 369 3137
Villa Sant'Angelo AQ 4 424 3561
Sant'Eusanio Forconese AQ 6 394 3955
San Pio delle Camere AQ 6 661 4616
Caporciano AQ 7 230 4846
Barisciano AQ 7 1828 6674
Poggio Picenze AQ 8 1136 7810
Tione degli Abruzzi AQ 8 310 8120
Rocca di Mezzo AQ 8 1526 9646
Rocca di Cambio AQ 8 533 10179
Fossa AQ 9 721 10900
Carapelle Calvisio AQ 9 87 10987
Ocre AQ 10 1167 12154
Castelvecchio Calvisio AQ 10 153 12307
Santo Stefano di Sessanio AQ 10 111 12418
Calascio AQ 12 137 12555
Navelli AQ 12 554 13109
Secinaro AQ 14 359 13468
Acciano AQ 15 327 13795
Capestrano AQ 15 884 14679
Ovindoli AQ 15 1227 15906
Ofena AQ 16 506 16412
Castel del Monte AQ 16 413 16825
Collepietro AQ 17 237 17062
San Benedetto in Perillis AQ 18 113 17175
Molina Aterno AQ 18 386 17561
Gagliano Aterno AQ 18 254 17815
Villa Santa Lucia degli Abruzzi AQ 18 123 17938
L'Aquila AQ 18 69753 87691
Castelvecchio Subequo AQ 19 982 88673
Celano AQ 20 11017 99690

Municipalities with at least 50000 inhabitants

An earthquake occurred to
18 Km SE of L'Aquila (69753 inhabitants)
45 Km S of Teramo (54892 inhabitants)
49 Km W of Chieti (51815 inhabitants)
54 Km SW of Montesilvano (53738 inhabitants)
56 Km W of Pescara (121014 inhabitants)
73 Km E of Tivoli (56533 inhabitants)
77 Km E of Guidonia Montecelio (88673 inhabitants)
84 Km E of Terni (111501 inhabitants)
92 Km NE of Velletri (53303 inhabitants)
100 Km E of Roma (2864731 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 2.2 2017-12-23
16:35:02		 42.2625 13.5857 9 2018-09-04
09:10:39		 Bollettino Sismico Italiano INGV 53040911
Reviewed
Rev100 		ML 2.2 2017-12-23
16:35:02		 42.2655 13.593 10 2017-12-23
16:46:13		 Sala Sismica INGV-Roma 52760941
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2017-12-23 16:35:02 ± 0.05
Latitude 42.2625 ± 0.0027
Longitude 13.5857 ± 0.0049
Depth (km) 9 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 53040911

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 417
Semi-minor axis of confidence ellipse (meter) 139
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 53
Circular confidence region, given by single value of horizontal uncertainty (meter) 420.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 53
Number of associated phases, regardless of their use for origin computation 66
Number of defining phases 43
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.23
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.92270
Number of stations at which the event was observed 53
Number of stations from which data was used for origin computation 30
Magnitudes information

ML:2.2

Field Value
Value 2.2
Uncertainty 0.2
Num. used stations 76
Type of magnitude ML
Reference to an origin 53040911
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2018-01-05 23:37:40

ML:2.2

Field Value
Value 2.2
Uncertainty 0.2
Num. used stations 66
Type of magnitude ML
Reference to an origin 52760941
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2017-12-23 16:46:13
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.ZONE.HHZ. 2017-12-23T16:37:01.55 3.0 undecidable manual Sn 3.26 0
AC.SRN.HHZ. 2017-12-23T16:36:43.09 3.0 undecidable manual Pg 20.52 0
IV.TDS.HHZ. 2017-12-23T16:36:38.01 3.0 undecidable manual Sn 3.3 0
CR.STON.BHZ. 2017-12-23T16:36:30.78 3.0 undecidable manual Sn 2.38 0
IV.HAGA.HHZ. 2017-12-23T16:36:24.79 3.0 negative manual Pn 5.87 0
RF.GEPF.HHZ. 2017-12-23T16:36:14.64 3.0 undecidable manual Pg 11.13 0
OX.AGOR.HNZ. 2017-12-23T16:36:05.88 3.0 negative manual Pn 0.99 0
IV.RIBO.EHZ.01 2017-12-23T16:36:03.61 3.0 undecidable manual Sn 1.25 0
IV.SPS2.HHZ. 2017-12-23T16:36:01.44 3.0 positive manual Pn 3.04 0
IV.ZCCA.HHZ. 2017-12-23T16:35:57.98 3.0 negative manual Pg 10.68 0
IV.SALB.HHZ. 2017-12-23T16:35:50.45 3.0 undecidable manual Pn -1.55 0
IV.MCRV.HHZ. 2017-12-23T16:35:36.49 3.0 undecidable manual Pg 1.91 0
IV.NARO.HHZ. 2017-12-23T16:35:31.30 3.0 undecidable manual P 1.78 0
IV.FOSV.EHZ. 2017-12-23T16:35:26.59 3.0 undecidable manual P 1.71 0
IV.EL6.EHZ. 2017-12-23T16:35:23.94 3.0 negative manual P 0.14 0
IV.MOMA.HNZ. 2017-12-23T16:35:20.26 0.1 undecidable manual P 306 102.4197 50 0.53 77
IV.LPEL.HHZ. 2017-12-23T16:35:20.13 1.0 undecidable manual S 116 54.6009 50 0.33 22
IV.T1221.EHZ. 2017-12-23T16:35:19.01 3.0 negative manual P 0.44 0
IV.CESI.HHZ. 2017-12-23T16:35:19.87 3.0 negative manual P -0.23 0
IV.TRIV.HHN. 2017-12-23T16:35:19.12 0.1 undecidable manual P 124 96.6255 50 0.29 83
IV.CSP1.EHZ. 2017-12-23T16:35:19.06 3.0 positive manual P -0.52 0
IV.FDMO.HHZ. 2017-12-23T16:35:18.53 3.0 undecidable manual P -0.76 0
IV.VVLD.HHZ. 2017-12-23T16:35:17.35 1.0 undecidable manual S 176 43.7229 50 0.48 22
IV.MIDA.HHZ. 2017-12-23T16:35:17.37 0.1 undecidable manual P 141 88.245 50 -0.16 86
IV.MC2.EHZ. 2017-12-23T16:35:16.67 3.0 positive manual P 0.07 0
IV.CERA.HNN. 2017-12-23T16:35:16.31 0.1 undecidable manual P 154 81.9513 50 -0.25 86
IV.RM33.EHZ. 2017-12-23T16:35:16.07 1.0 undecidable manual S 312 40.9257 50 -0.05 24
IV.GIUL.HHZ. 2017-12-23T16:35:16.50 0.1 undecidable manual P 199 82.7505 50 -0.19 87
IV.RNI2.HNE. 2017-12-23T16:35:16.32 0.1 undecidable manual P 143 77.6667 50 0.41 83
IV.MF5.EHZ. 2017-12-23T16:35:16.96 3.0 positive manual P 0.14 0
IV.INTR.HHZ. 2017-12-23T16:35:15.41 1.0 undecidable manual S 137 38.2284 50 -0.01 24
IV.NRCA.HHZ. 2017-12-23T16:35:15.21 0.1 undecidable manual P 329 74.1702 50 -0.15 89
IV.MTCE.HHZ. 2017-12-23T16:35:15.52 0.1 undecidable manual P 249 74.2701 50 0.13 89
IV.FIAM.HHZ. 2017-12-23T16:35:15.49 1.0 undecidable manual S 271 38.4282 50 0.01 24
IV.MMO1.EHZ. 2017-12-23T16:35:15.38 3.0 negative manual P -0.28 0
OB.GAVE.EHZ. 2017-12-23T16:35:15.88 3.0 undecidable manual P 0.32 0
IV.TERO.HHZ. 2017-12-23T16:35:15.69 1.0 undecidable manual S 2 40.0266 50 -0.19 23
IV.CAMP.HHZ. 2017-12-23T16:35:14.24 1.0 undecidable manual S 335 33.6441 50 0.06 24
IV.LRP.EHN. 2017-12-23T16:35:14.21 0.1 undecidable manual P 180 68.2761 50 -0.25 88
IV.CERT.HHE. 2017-12-23T16:35:13.33 0.1 undecidable manual P 235 60.6948 50 0.04 93
IV.POFI.HHZ. 2017-12-23T16:35:13.32 0.1 undecidable manual P 170 61.3941 50 -0.07 92
IV.PTQR.HHZ. 2017-12-23T16:35:13.44 1.0 undecidable manual S 210 30.747 106 0.17 24
IV.T1247.HHZ. 2017-12-23T16:35:13.72 1.0 undecidable manual S 310 30.8469 106 0.42 23
IV.T1214.EHZ. 2017-12-23T16:35:13.73 0.1 undecidable manual P 331 63.1923 50 0.06 92
IV.LPEL.HHZ. 2017-12-23T16:35:12.16 0.1 undecidable manual P 116 54.6009 50 -0.2 91
IV.MTRA.EHZ. 2017-12-23T16:35:12.34 0.1 undecidable manual P 344 56.9985 50 -0.38 87
IV.GUAR.HHZ. 2017-12-23T16:35:12.81 0.1 undecidable manual P 204 56.5989 50 0.15 92
IV.LNSS.HHZ. 2017-12-23T16:35:12.90 0.1 undecidable manual P 310 58.497 50 -0.05 93
IV.VCEL.EHZ. 2017-12-23T16:35:11.68 1.0 undecidable manual S 55 25.5522 109 0.14 24
IV.T1299.HNN. 2017-12-23T16:35:11.37 0.1 undecidable manual P 329 48.1185 50 0.01 96
IV.SMA1.EHZ. 2017-12-23T16:35:10.76 0.1 undecidable manual P 333 45.7209 50 -0.22 92
IV.VVLD.HHZ. 2017-12-23T16:35:10.50 0.1 undecidable manual P 176 43.7229 50 -0.17 94
IV.RM33.EHZ. 2017-12-23T16:35:10.25 0.1 undecidable manual P 312 40.9257 50 0.01 97
IV.TERO.HHZ. 2017-12-23T16:35:09.82 0.1 undecidable manual P 2 40.0266 50 -0.28 92
IV.INTR.HHZ. 2017-12-23T16:35:09.79 0.1 positive manual P 137 38.2284 50 -0.04 97
IV.FIAM.HHZ. 2017-12-23T16:35:09.99 0.1 undecidable manual P 271 38.4282 50 0.12 95
MN.AQU.HHZ. 2017-12-23T16:35:09.33 1.0 undecidable manual S 304 17.9709 116 0.22 24
IV.T0110.HHZ. 2017-12-23T16:35:08.71 1.0 undecidable manual S 103 16.0728 118 0.19 24
IV.PTQR.HHZ. 2017-12-23T16:35:08.48 0.1 undecidable manual P 210 30.747 106 -0.11 97
IV.T1247.HHZ. 2017-12-23T16:35:08.59 0.1 undecidable manual P 310 30.8469 106 -0.02 99
IV.CAMP.HHZ. 2017-12-23T16:35:08.99 0.1 negative manual P 335 33.6441 50 -0.13 96
IV.VCEL.EHZ. 2017-12-23T16:35:07.87 0.1 undecidable manual P 55 25.5522 109 0.28 94
MN.AQU.HHZ. 2017-12-23T16:35:06.69 0.1 undecidable manual P 304 17.9709 116 0.5 91
IV.T0110.HHZ. 2017-12-23T16:35:06.23 0.1 negative manual P 103 16.0728 118 0.38 94
IV.FAGN.HHZ. 2017-12-23T16:35:04.07 0.6 undecidable manual S 336 0.3996 177 -1.11 36
IV.FAGN.HHZ. 2017-12-23T16:35:03.71 0.1 negative manual P 336 0.3996 177 -0.21 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.SMA1.EHE. ML:0.0 0.00078762175 0.7168 AML other m 2017-12-23T16:35:26.73
IV.SMA1.EHN. ML:0.0 0.0006803116000000001 0.4224 AML other m 2017-12-23T16:35:27.97
IV.FAGN.HHE. ML:0.0 0.099703035 0.2048 AML other m 2017-12-23T16:35:05.78
IV.FAGN.HHN. ML:0.0 0.067138695 0.128 AML other m 2017-12-23T16:35:04.81
IV.T0110.HHN. ML:2.9 0.007876809 0.5376 AML other m 2017-12-23T16:35:15.39
IV.T0110.HHE. ML:2.8 0.00582155 0.3968 AML other m 2017-12-23T16:35:15.60
MN.AQU.HLE. ML:2.4 0.0020860180000000002 0.5376 AML other m 2017-12-23T16:35:17.22
MN.AQU.HHE. ML:2.4 0.0021163475 0.5248 AML other m 2017-12-23T16:35:17.22
MN.AQU.HHN. ML:2.4 0.001950063 0.32 AML other m 2017-12-23T16:35:12.76
MN.AQU.HLN. ML:2.3 0.0017840794999999998 0.32 AML other m 2017-12-23T16:35:12.76
IV.VCEL.EHN. ML:2.7 0.0030379325000000003 0.2816 AML other m 2017-12-23T16:35:14.60
IV.VCEL.EHE. ML:2.8 0.0033627215 0.4224 AML other m 2017-12-23T16:35:20.06
IV.PTQR.HHN. ML:2.0 0.0005248663 0.384 AML other m 2017-12-23T16:35:18.46
IV.PTQR.HHE. ML:2.0 0.00047983825000000004 0.3584 AML other m 2017-12-23T16:35:16.31
IV.CAMP.HHE. ML:2.0 0.0004751591 0.5504 AML other m 2017-12-23T16:35:25.24
IV.CAMP.HHN. ML:2.2 0.0007104885000000001 0.512 AML other m 2017-12-23T16:35:23.08
IV.INTR.HHN. ML:2.6 0.001400073 0.5632 AML other m 2017-12-23T16:35:28.04
IV.INTR.HHE. ML:2.1 0.0005093157999999999 0.256 AML other m 2017-12-23T16:35:22.48
IV.INTR.HNN. ML:0.0 0.00000100151705 0.5632 AML other m 2017-12-23T16:35:28.04
IV.INTR.HNE. ML:0.0 0.00000051182685 0.2688 AML other m 2017-12-23T16:35:22.48
IV.TERO.HNN. ML:2.0 0.00035157535 0.3072 AML other m 2017-12-23T16:35:23.75
IV.TERO.HNE. ML:1.8 0.00023273275 0.256 AML other m 2017-12-23T16:35:20.56
IV.TERO.HHE. ML:2.1 0.00042884944999999996 0.256 AML other m 2017-12-23T16:35:23.88
IV.TERO.HHN. ML:2.2 0.0005853516000000001 0.32 AML other m 2017-12-23T16:35:23.76
IV.FIAM.HHN. ML:2.5 0.001127911 0.6144 AML other m 2017-12-23T16:35:26.21
IV.FIAM.HHE. ML:2.3 0.00079188825 0.4224 AML other m 2017-12-23T16:35:23.60
IV.RM33.HNE. ML:2.4 0.000866924 0.4096 AML other m 2017-12-23T16:35:26.36
IV.RM33.EHN. ML:2.3 0.00070870955 0.448 AML other m 2017-12-23T16:35:26.94
IV.RM33.EHE. ML:2.4 0.0008776258 0.4096 AML other m 2017-12-23T16:35:26.36
IV.RM33.HNN. ML:2.3 0.0007354767 0.4224 AML other m 2017-12-23T16:35:26.94
IV.VVLD.HHE. ML:2.0 0.00030361090000000004 0.3712 AML other m 2017-12-23T16:35:32.13
IV.VVLD.HHN. ML:2.2 0.0004663677 0.4608 AML other m 2017-12-23T16:35:25.89
IV.LPEL.HHN. ML:2.4 0.00066633625 0.4224 AML other m 2017-12-23T16:35:22.67
IV.LPEL.HHE. ML:2.4 0.00057329575 0.2432 AML other m 2017-12-23T16:35:21.29
IV.MTRA.HNE. ML:2.3 0.00047695960000000004 0.3072 AML other m 2017-12-23T16:35:27.97
IV.MTRA.EHE. ML:2.3 0.00047929734999999996 0.3072 AML other m 2017-12-23T16:35:27.97
IV.MTRA.HNN. ML:2.4 0.0004963185 0.6528 AML other m 2017-12-23T16:35:25.32
IV.MTRA.EHN. ML:2.4 0.0004883977 0.64 AML other m 2017-12-23T16:35:31.12
IV.GUAR.HHN. ML:2.3 0.00046046350000000005 0.3456 AML other m 2017-12-23T16:35:28.19
IV.GUAR.HHE. ML:2.1 0.0002892115 0.4096 AML other m 2017-12-23T16:35:25.93
IV.LNSS.HHN. ML:2.2 0.00030866004999999995 0.3328 AML other m 2017-12-23T16:35:27.90
IV.LNSS.HHE. ML:2.4 0.0005978029 0.4992 AML other m 2017-12-23T16:35:35.78
IV.POFI.HHE. ML:2.1 0.00024557515000000004 1.1136 AML other m 2017-12-23T16:35:39.35
IV.POFI.HHN. ML:2.0 0.00021010889999999998 0.5632 AML other m 2017-12-23T16:35:35.96
IV.POFI.HNN. ML:2.0 0.00019321465000000002 0.5376 AML other m 2017-12-23T16:35:35.97
IV.POFI.HNE. ML:2.1 0.00024883135 1.1136 AML other m 2017-12-23T16:35:38.80
IV.T1214.EHN. ML:2.1 0.00022390470000000002 0.4736 AML other m 2017-12-23T16:35:29.09
IV.T1214.EHE. ML:2.1 0.0002567375 0.6016 AML other m 2017-12-23T16:35:35.10
IV.T1214.HNE. ML:2.2 0.0002841426 0.6144 AML other m 2017-12-23T16:35:35.40
IV.T1214.HNN. ML:2.0 0.0002105865 0.4608 AML other m 2017-12-23T16:35:28.86
IV.NRCA.HHE. ML:2.3 0.0002830968 0.1792 AML other m 2017-12-23T16:35:30.11
IV.NRCA.HNE. ML:2.2 0.00025738354000000004 0.1792 AML other m 2017-12-23T16:35:30.11
IV.NRCA.HNN. ML:2.2 0.00022820521500000002 0.5504 AML other m 2017-12-23T16:35:33.61
IV.NRCA.HHN. ML:2.0 0.000153366 0.2048 AML other m 2017-12-23T16:35:32.02
IV.MTCE.HHN. ML:2.0 0.0001477212 1.1008 AML other m 2017-12-23T16:35:38.21
IV.MTCE.HHE. ML:2.2 0.00027117134999999997 0.3968 AML other m 2017-12-23T16:35:35.08
OB.GAVE.EHE. ML:2.1 0.00020896559999999996 0.4224 AML other m 2017-12-23T16:35:37.13
OB.GAVE.EHN. ML:2.3 0.00030284675 0.4992 AML other m 2017-12-23T16:35:37.16
OB.GAVE.HNE. ML:2.2 0.0002599625 0.64 AML other m 2017-12-23T16:35:40.52
OB.GAVE.HNN. ML:2.1 0.00019097385 0.7296 AML other m 2017-12-23T16:35:37.14
IV.GIUL.HHE. ML:2.0 0.00012082899999999999 0.4736 AML other m 2017-12-23T16:35:37.30
IV.GIUL.HHN. ML:2.0 0.000121843755 0.4608 AML other m 2017-12-23T16:35:35.01
IV.MF5.EHN. ML:2.3 0.000244471 0.4992 AML other m 2017-12-23T16:35:47.46
IV.MF5.EHE. ML:2.3 0.00029310954999999997 0.6144 AML other m 2017-12-23T16:35:48.26
IV.MIDA.HNN. ML:2.7 0.0006034804 1.0624 AML other m 2017-12-23T16:35:36.52
IV.MIDA.HHE. ML:2.2 0.00020148975 0.6528 AML other m 2017-12-23T16:35:48.38
IV.MIDA.HNE. ML:2.2 0.000189637 0.7168 AML other m 2017-12-23T16:35:48.42
IV.MIDA.HHN. ML:2.1 0.000149269 0.32 AML other m 2017-12-23T16:35:36.66
IV.FDMO.HHN. ML:2.0 0.00011092425 0.32 AML other m 2017-12-23T16:35:48.57
IV.FDMO.HHE. ML:2.0 0.00009766596 0.384 AML other m 2017-12-23T16:35:42.54
IV.T1221.EHN. ML:2.1 0.00013404153999999998 0.9216 AML other m 2017-12-23T16:35:46.66
IV.T1221.HNN. ML:2.0 0.00012367040000000001 0.6528 AML other m 2017-12-23T16:35:49.86
IV.T1221.EHE. ML:1.9 0.00009385580499999998 0.3712 AML other m 2017-12-23T16:35:46.22
IV.T1221.HNE. ML:2.8 0.00077852365 1.1648 AML other m 2017-12-23T16:35:42.71
IV.CSP1.EHN. ML:1.7 0.00004861196 0.4352 AML other m 2017-12-23T16:35:50.27
IV.CSP1.EHE. ML:1.9 0.000086917565 0.3584 AML other m 2017-12-23T16:35:46.43
IV.CESI.HHN. ML:2.3 0.00020575674999999998 0.5376 AML other m 2017-12-23T16:35:46.90
IV.CESI.HHE. ML:2.0 0.00010690985 0.4608 AML other m 2017-12-23T16:35:53.05
IV.EL6.EHN. ML:2.5 0.0001975282 0.4352 AML other m 2017-12-23T16:35:59.55
IV.EL6.EHE. ML:2.4 0.0001615741 0.448 AML other m 2017-12-23T16:35:51.50
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