Earthquake with magnitude of ML 1.6 on date 18-09-2020 and time 17:35:24 (UTC) in region 2 km N Fontecchio (AQ)

A magnitude ML 1.6 earthquake occured in region: 2 km N Fontecchio (AQ), on

  • 18-09-2020 17:35:24 (UTC)
  • 18-09-2020 19:35:24 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.25, 13.61 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.

Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Fontecchio AQ 2 369 369
Fagnano Alto AQ 3 418 787
Prata d'Ansidonia AQ 3 496 1283
Caporciano AQ 5 230 1513
San Demetrio ne' Vestini AQ 6 1854 3367
Tione degli Abruzzi AQ 6 310 3677
San Pio delle Camere AQ 6 661 4338
Villa Sant'Angelo AQ 6 424 4762
Sant'Eusanio Forconese AQ 8 394 5156
Carapelle Calvisio AQ 8 87 5243
Rocca di Mezzo AQ 9 1526 6769
Barisciano AQ 9 1828 8597
Poggio Picenze AQ 9 1136 9733
Castelvecchio Calvisio AQ 10 153 9886
Rocca di Cambio AQ 10 533 10419
Navelli AQ 10 554 10973
Santo Stefano di Sessanio AQ 11 111 11084
Fossa AQ 11 721 11805
Calascio AQ 11 137 11942
Ocre AQ 12 1167 13109
Acciano AQ 12 327 13436
Secinaro AQ 13 359 13795
Capestrano AQ 14 884 14679
Collepietro AQ 15 237 14916
Ovindoli AQ 15 1227 16143
Ofena AQ 15 506 16649
San Benedetto in Perillis AQ 16 113 16762
Molina Aterno AQ 16 386 17148
Gagliano Aterno AQ 16 254 17402
Castel del Monte AQ 16 413 17815
Castelvecchio Subequo AQ 17 982 18797
Villa Santa Lucia degli Abruzzi AQ 17 123 18920
Bussi sul Tirino PE 19 2518 21438
Castel di Ieri AQ 19 303 21741
Celano AQ 19 11017 32758
Aielli AQ 19 1475 34233

Municipalities with at least 50000 inhabitants

An earthquake occurred to
20 Km SE of L'Aquila (69753 inhabitants)
46 Km S of Teramo (54892 inhabitants)
48 Km W of Chieti (51815 inhabitants)
53 Km SW of Montesilvano (53738 inhabitants)
55 Km W of Pescara (121014 inhabitants)
74 Km E of Tivoli (56533 inhabitants)
78 Km E of Guidonia Montecelio (88673 inhabitants)
86 Km E of Terni (111501 inhabitants)
93 Km NE of Velletri (53303 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 1.6 2020-09-18
17:35:24
42.25 13.61 9 2021-02-26
14:56:19
Bollettino Sismico Italiano INGV 87306101
Reviewed
Rev100
ML 1.6 2020-09-18
17:35:24
42.25 13.61 9 2020-09-18
17:53:46
Sala Sismica INGV-Roma 83010811
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-09-18 17:35:24 ± 0.07
Latitude 42.25 ± 0.00
Longitude 13.61 ± 0.01
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 87306101

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 511
Semi-minor axis of confidence ellipse (meter) 229
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 46
Circular confidence region, given by single value of horizontal uncertainty (meter) 510
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 59
Number of associated phases, regardless of their use for origin computation 51
Number of defining phases 30
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.27
Epicentral distance of station closest to the epicenter (degree) 0
Epicentral distance of station farthest from the epicenter (degree) 0.89033
Number of stations at which the event was observed 37
Number of stations from which data was used for origin computation 18
Magnitudes information

ML:1.6

Field Value
Value 1.6
Uncertainty 0.3
Num. used stations 26
Type of magnitude ML
Reference to an origin 87306101
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2021-02-22 12:09:00

ML:1.6

Field Value
Value 1.6
Uncertainty 0.3
Num. used stations 22
Type of magnitude ML
Reference to an origin 83010811
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-09-18 17:53:46
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
IV.ZONE.HHZ. 2020-09-18T17:37:40.87 3.0 undecidable manual Sg 18.84 0
IV.MTGR.HHZ. 2020-09-18T17:37:36.93 3.0 undecidable manual Sg 12.93 0
GU.CANO.HHZ. 2020-09-18T17:37:30.39 3.0 undecidable manual Sn 6.32 0
IV.EUCT.HNZ. 2020-09-18T17:37:28.19 3.0 undecidable manual Sn 4.4 0
IV.IMI.HHZ. 2020-09-18T17:37:27.88 3.0 undecidable manual Sn 0.85 0
IV.MBAL.EHZ. 2020-09-18T17:37:23.08 3.0 undecidable manual Sg 9.6 0
IV.MAGA.HHZ. 2020-09-18T17:37:15.04 3.0 undecidable manual Sn -2.16 0
IV.JOPP.HHZ. 2020-09-18T17:37:11.26 3.0 undecidable manual Sn -3.09 0
IV.CAGR.HHZ. 2020-09-18T17:36:37.56 3.0 undecidable manual Pn 2.12 0
IV.RIBO.EHZ.01 2020-09-18T17:36:32.48 3.0 undecidable manual Sg 6.24 0
IV.SARZ.HHZ. 2020-09-18T17:36:30.08 3.0 undecidable manual P -0.31 0
IV.FIR.HHZ. 2020-09-18T17:36:29.92 3.0 undecidable manual Sn -3 0
IV.MBAL.EHZ. 2020-09-18T17:36:26.42 3.0 negative manual Pn 0.44 0
IV.OPPE.HHZ. 2020-09-18T17:36:25.87 3.0 undecidable manual Pg 6.03 0
IV.APEC.HHZ. 2020-09-18T17:36:11.88 3.0 undecidable manual S -2.95 0
IV.MPPT.EHZ. 2020-09-18T17:36:09.66 3.0 undecidable manual Pg 3.59 0
IV.ARVD.HHZ. 2020-09-18T17:36:06.40 3.0 undecidable manual S -2.54 0
IV.TOLF.HHZ. 2020-09-18T17:36:04.01 3.0 undecidable manual S -2.74 0
IV.RIBO.EHZ.01 2020-09-18T17:36:03.35 3.0 positive manual Pg 3.91 0
IV.IFOR.HHZ. 2020-09-18T17:35:53.52 3.0 negative manual P 0.94 0
IV.COR1.EHZ. 2020-09-18T17:35:49.71 3.0 undecidable manual P -1.49 0
IV.CSP1.EHZ. 2020-09-18T17:35:41.31 0.3 undecidable manual P 341 0.8903 50 0.11 64
IV.LPEL.HHZ. 2020-09-18T17:35:41.05 0.6 undecidable manual S 115 0.473 50 -0.21 45
IV.RM33.HNE. 2020-09-18T17:35:39.70 0.6 undecidable manual S 312 0.3876 50 0.98 35
IV.VVLD.HHZ. 2020-09-18T17:35:38.93 0.6 undecidable manual S 178 0.3822 50 0.38 44
IV.MMO1.EHZ. 2020-09-18T17:35:38.29 0.6 undecidable manual P 342 0.679 50 0.69 38
IV.NRCA.HHZ. 2020-09-18T17:35:37.49 0.3 undecidable manual P 328 0.6853 50 -0.21 65
IV.FIAM.HHZ. 2020-09-18T17:35:37.82 0.6 undecidable manual S 273 0.3624 50 -0.16 47
IV.TERO.HHN. 2020-09-18T17:35:37.74 0.6 undecidable manual S 360 0.3714 50 -0.49 44
IV.INTR.HHZ. 2020-09-18T17:35:36.56 0.6 undecidable manual S 137 0.3256 50 -0.33 45
IV.PTQR.HHZ. 2020-09-18T17:35:35.57 0.6 undecidable manual S 214 0.2761 106 0.28 46
IV.LPEL.HHZ. 2020-09-18T17:35:34.09 0.3 undecidable manual P 115 0.473 50 0.02 71
IV.VCEL.EHZ. 2020-09-18T17:35:33.61 0.6 undecidable manual S 50 0.2239 109 0.22 47
IV.TERO.HHN. 2020-09-18T17:35:32.17 0.3 undecidable manual P 360 0.3714 50 -0.15 70
IV.GIGS.HHE. 2020-09-18T17:35:32.19 0.6 undecidable manual S 353 0.2032 111 -0.44 46
IV.VVLD.HHZ. 2020-09-18T17:35:32.38 0.3 undecidable manual P 178 0.3822 50 -0.12 70
MN.AQU.HHE. 2020-09-18T17:35:32.32 0.6 undecidable manual S 305 0.1808 113 0.48 45
IV.SMA1.EHZ. 2020-09-18T17:35:32.85 0.3 undecidable manual P 332 0.4281 50 -0.45 65
IV.RM33.HNE. 2020-09-18T17:35:32.53 0.3 undecidable manual P 312 0.3876 50 -0.07 71
IV.INTR.HHZ. 2020-09-18T17:35:31.45 0.1 undecidable manual P 137 0.3256 50 -0.1 95
IV.FIAM.HHZ. 2020-09-18T17:35:31.94 0.1 undecidable manual P 273 0.3624 50 -0.23 92
IT.SULP.HGN. 2020-09-18T17:35:31.37 0.6 undecidable manual P 125 0.2896 105 0.45 45
IV.CAMP.HHE. 2020-09-18T17:35:31.60 0.3 undecidable manual P 333 0.3193 50 0.17 71
IV.PTQR.HHZ. 2020-09-18T17:35:30.40 0.3 undecidable manual P 214 0.2761 106 -0.22 70
IV.T0110.HHZ. 2020-09-18T17:35:30.05 0.6 undecidable manual S 100 0.1277 122 0.05 50
MN.AQU.HHE. 2020-09-18T17:35:29.06 0.1 undecidable manual P 305 0.1808 113 0.43 92
IV.VCEL.EHZ. 2020-09-18T17:35:29.83 0.1 undecidable manual P 50 0.2239 109 0.3 93
IV.GIGS.HHE. 2020-09-18T17:35:29.04 0.3 undecidable manual P 353 0.2032 111 -0.05 74
IV.T0110.HHZ. 2020-09-18T17:35:27.75 0.1 undecidable manual P 100 0.1277 122 0.18 97
IV.FAGN.HHZ. 2020-09-18T17:35:26.72 0.3 undecidable manual S 310 0.0225 164 -0.66 66
IV.FAGN.HHZ. 2020-09-18T17:35:25.90 0.1 undecidable manual P 310 0.0225 164 -0.16 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.FAGN.HHN. ML:0 0.012013815 0.32 AML other m 2020-09-18T17:35:29.68
IV.FAGN.HHE. ML:0 0.01728504 0.5888 AML other m 2020-09-18T17:35:28.77
IV.T0110.HHN. ML:2.1 0.001374529 1.7568 AML other m 2020-09-18T17:35:31.91
IV.T0110.HHE. ML:2.1 0.0013228135 0.3456 AML other m 2020-09-18T17:35:32.80
IV.VCEL.EHE. ML:0 0.00086964745 0.2432 AML other m 2020-09-18T17:35:34.57
IV.VCEL.EHN. ML:0 0.000745 0.8 AML other m 2020-09-18T17:35:36.09
IV.PTQR.HHN. ML:1.3 8.9609945E-5 0.2176 AML other m 2020-09-18T17:35:36.45
IV.PTQR.HHE. ML:1.4 0.000113826 0.2816 AML other m 2020-09-18T17:35:38.46
IV.VVLD.HNE. ML:1.7 0.0001486069 0.6272 AML other m 2020-09-18T17:35:40.14
IV.INTR.HHE. ML:1.5 0.0001282401 0.3712 AML other m 2020-09-18T17:35:40.36
IV.INTR.HNN. ML:1.6 0.0001749328 1.6288 AML other m 2020-09-18T17:35:41.07
IV.INTR.HNE. ML:1.7 0.0002095187 1.424 AML other m 2020-09-18T17:35:41.99
IV.INTR.HHN. ML:1.6 0.000149692 0.768 AML other m 2020-09-18T17:35:42.52
IV.LPEL.HNN. ML:1.8 0.00014126205 2.0992 AML other m 2020-09-18T17:35:41.68
IV.LPEL.HHN. ML:1.6 0.00010530467 1.808 AML other m 2020-09-18T17:35:42.03
IV.VVLD.HNN. ML:1.6 0.0001353618 0.4864 AML other m 2020-09-18T17:35:43.71
IV.LPEL.HHE. ML:1.7 0.0001180237 0.32 AML other m 2020-09-18T17:35:44.26
IV.VVLD.HHE. ML:1.2 4.9063155E-5 0.3584 AML other m 2020-09-18T17:35:44.09
IV.VVLD.HHN. ML:1.4 7.3166765E-5 0.5376 AML other m 2020-09-18T17:35:45.45
IV.SMA1.EHE. ML:1.5 9.6380125E-5 0.5632 AML other m 2020-09-18T17:35:45.27
IV.FIAM.HNN. ML:1.6 0.00013234175 0.6912 AML other m 2020-09-18T17:35:46.49
IV.FIAM.HHE. ML:1.3 6.328785E-5 0.6016 AML other m 2020-09-18T17:35:46.64
IV.FIAM.HHN. ML:1.2 6.234118E-5 0.4224 AML other m 2020-09-18T17:35:46.47
IV.SMA1.EHN. ML:1.6 0.0001213268 1.5392 AML other m 2020-09-18T17:35:46.82
IV.LPEL.HNE. ML:1.8 0.00017236005 0.7424 AML other m 2020-09-18T17:35:46.96
IV.NRCA.HNN. ML:2.2 0.0002281197 1.1264 AML other m 2020-09-18T17:35:47.17
IV.NRCA.HHE. ML:1.6 5.4011675E-5 0.1536 AML other m 2020-09-18T17:35:50.28
IV.NRCA.HHN. ML:1.4 4.0188225E-5 0.1152 AML other m 2020-09-18T17:35:51.27
IV.COR1.EHE. ML:2.3 9.2017565E-5 0.5248 AML other m 2020-09-18T17:35:58.92
IV.COR1.HNN. ML:3.3 0.0009770988 0.7424 AML other m 2020-09-18T17:36:05.69
IV.COR1.HNE. ML:3.5 0.0013075085 1.1904 AML other m 2020-09-18T17:36:05.29
IV.IFOR.HHE. ML:3.6 0.00168519 0.8192 AML other m 2020-09-18T17:36:08.92
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