Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.9 on date 25-09-2020 and time 17:16:26 (Italy) in region 5 km W Ovindoli (AQ)

A magnitude ML 1.9 earthquake occured in region: 5 km W Ovindoli (AQ), on

  • 25-09-2020 15:16:26 (UTC)
  • 25-09-2020 17:16:26 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.1450, 13.4590 at 14 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
Ovindoli AQ 5 1227 1227
Massa d'Albe AQ 7 1476 2703
Rocca di Mezzo AQ 9 1526 4229
Magliano de' Marsi AQ 10 3690 7919
Celano AQ 10 11017 18936
Rocca di Cambio AQ 11 533 19469
Avezzano AQ 13 42515 61984
Aielli AQ 13 1475 63459
Scurcola Marsicana AQ 13 2824 66283
Cerchio AQ 15 1635 67918
Villa Sant'Angelo AQ 16 424 68342
Fontecchio AQ 16 369 68711
Fagnano Alto AQ 16 418 69129
Ocre AQ 16 1167 70296
Tione degli Abruzzi AQ 16 310 70606
Collarmele AQ 17 894 71500
Fossa AQ 17 721 72221
Sant'Eusanio Forconese AQ 17 394 72615
San Demetrio ne' Vestini AQ 18 1854 74469
Secinaro AQ 18 359 74828
Tagliacozzo AQ 19 6889 81717
Lucoli AQ 19 1011 82728
Prata d'Ansidonia AQ 19 496 83224
Borgorose RI 19 4591 87815

Municipalities with at least 50000 inhabitants

An earthquake occurred to
24 Km S of L'Aquila (69753 inhabitants)
58 Km E of Tivoli (56533 inhabitants)
61 Km SW of Teramo (54892 inhabitants)
63 Km E of Guidonia Montecelio (88673 inhabitants)
63 Km W of Chieti (51815 inhabitants)
70 Km SW of Montesilvano (53738 inhabitants)
72 Km SW of Pescara (121014 inhabitants)
76 Km NE of Velletri (53303 inhabitants)
81 Km SE of Terni (111501 inhabitants)
85 Km E of Roma (2864731 inhabitants)
88 Km NE of Latina (125985 inhabitants)
91 Km NE of Aprilia (73446 inhabitants)
95 Km NE of Pomezia (62966 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 1.9 2020-09-25
15:16:26		 42.1447 13.4592 14 2021-02-26
14:55:59		 Bollettino Sismico Italiano INGV 83805001
Reviewed
Rev100 		ML 1.9 2020-09-25
15:16:26		 42.1402 13.4707 11 2020-09-25
15:27:52		 Sala Sismica INGV-Roma 83243951
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-09-25 15:16:26 ± 0.09
Latitude 42.1447 ± 0.0036
Longitude 13.4592 ± 0.0073
Depth (km) 14 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 83805001

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 485
Semi-minor axis of confidence ellipse (meter) 344
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 73
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) 96
Number of associated phases, regardless of their use for origin computation 73
Number of defining phases 27
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) 0.67809
Number of stations at which the event was observed 58
Number of stations from which data was used for origin computation 16
Magnitudes information

ML:1.9

Field Value
Value 1.9
Uncertainty 0.3
Num. used stations 12
Type of magnitude ML
Reference to an origin 83805001
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-12-10 17:39:24

ML:1.9

Field Value
Value 1.9
Uncertainty 0.3
Num. used stations 12
Type of magnitude ML
Reference to an origin 83243951
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-09-25 15:27:52
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.CAR1.HNZ. 2020-09-25T15:23:20.50 3.0 undecidable manual S 9.999 0
IV.EUCT.HNZ. 2020-09-25T15:22:35.10 3.0 undecidable manual S 9.999 0
GU.SATI.HHZ. 2020-09-25T15:18:27.94 3.0 undecidable manual Sg 19.540001 0
IV.PANTE.HHZ. 2020-09-25T15:18:23.08 3.0 undecidable manual Sn 3.63 0
GU.BLANC.HHZ. 2020-09-25T15:18:16.73 3.0 undecidable manual Sn -0.73 0
IV.IFIL.HHZ. 2020-09-25T15:17:52.67 3.0 undecidable manual Sn -2.24 0
IV.MILN.HNZ. 2020-09-25T15:17:50.23 3.0 undecidable manual Sn 0.89 0
IV.PZUN.HHZ. 2020-09-25T15:17:48.60 3.0 undecidable manual Sg 8.59 0
IV.MCRV.HHZ. 2020-09-25T15:17:38.97 3.0 undecidable manual Sg 9.68 0
IV.CMPR.HHZ. 2020-09-25T15:17:37.48 3.0 undecidable manual Sn 1.48 0
IX.CSG3.HNZ.01 2020-09-25T15:17:34.93 3.0 undecidable manual Sn 1.61 0
IV.NOV.HHZ. 2020-09-25T15:17:28.22 3.0 negative manual P -4.08 0
MN.VAE.HHZ. 2020-09-25T15:17:28.64 3.0 undecidable manual P -9.37 0
IV.BULG.HHZ. 2020-09-25T15:17:27.92 3.0 undecidable manual Sn -9.99 0
IV.MELA.HHZ. 2020-09-25T15:17:23.70 3.0 undecidable manual S 1.616 0
IV.CROCE.HHZ. 2020-09-25T15:17:22.73 3.0 undecidable manual P -9.99 0
IV.CORL.HHZ. 2020-09-25T15:17:17.39 3.0 positive manual P -9.99 0
IV.PE3.EHZ. 2020-09-25T15:17:16.56 3.0 undecidable manual Sg 9.52 0
IV.CPGN.EHZ. 2020-09-25T15:17:15.62 3.0 undecidable manual Sg 7.56 0
IV.SERS.HHZ. 2020-09-25T15:17:09.55 3.0 undecidable manual P -9.99 0
IX.NAPI.HNZ.01 2020-09-25T15:17:09.12 3.0 undecidable manual Sn -6.2 0
MN.CLTB.HHZ. 2020-09-25T15:17:07.22 3.0 negative manual P -9.99 0
OX.DRE.HHZ. 2020-09-25T15:17:07.10 3.0 undecidable manual P -9.99 0
IV.EUCT.HNZ. 2020-09-25T15:17:06.68 3.0 negative manual P -9.99 0
IV.MRLC.HHZ. 2020-09-25T15:17:04.51 3.0 undecidable manual P 3.39 0
IV.RIBO.EHZ.01 2020-09-25T15:17:01.60 3.0 undecidable manual S -9.99 0
IV.CRJA.HHZ. 2020-09-25T15:17:00.03 3.0 positive manual P -9.99 0
IV.CAR1.HNZ. 2020-09-25T15:17:00.20 3.0 undecidable manual P -9.99 0
IV.COR1.EHZ. 2020-09-25T15:16:59.71 3.0 undecidable manual Sn -9.33 0
IV.MELA.HHZ. 2020-09-25T15:16:57.47 3.0 undecidable manual P 7.39 0
IV.CIGN.HHZ. 2020-09-25T15:16:56.51 3.0 undecidable manual P 8.71 0
IV.VITU.HHZ. 2020-09-25T15:16:55.60 3.0 undecidable manual P 5.76 0
IV.SGG.HHZ. 2020-09-25T15:16:52.30 3.0 undecidable manual P 7.2 0
IV.SACR.HHZ. 2020-09-25T15:16:51.08 3.0 positive manual P 3.08 0
IV.BSSO.HHZ. 2020-09-25T15:16:51.62 3.0 undecidable manual P 6.32 0
GU.ROTM.HHZ. 2020-09-25T15:16:51.48 3.0 positive manual P -9.99 0
IV.PAOL.HHZ. 2020-09-25T15:16:44.50 3.0 undecidable manual P -6.86 0
IV.LPEL.HHZ. 2020-09-25T15:16:44.80 0.6 undecidable manual S 100 60.5949 93 0.05 46
IV.PTRJ.HNZ. 2020-09-25T15:16:43.96 3.0 undecidable manual P -2.74 0
IV.ATPI.EHZ. 2020-09-25T15:16:41.47 3.0 undecidable manual P -9.99 0
IV.VCEL.EHN. 2020-09-25T15:16:40.90 0.6 undecidable manual S 48 41.8248 95 1.14 34
IV.GUAR.HNN. 2020-09-25T15:16:39.40 1.0 undecidable manual S 197 40.7259 96 -0.05 24
IV.FRON.EHZ. 2020-09-25T15:16:39.93 3.0 undecidable manual P -9.99 0
IV.INTR.HHZ. 2020-09-25T15:16:39.10 0.3 undecidable manual S 112 39.5271 96 -0.05 71
IV.RNI2.HHZ. 2020-09-25T15:16:39.53 0.6 undecidable manual P 130 75.2691 93 0.4 42
IV.AGLI.HHZ. 2020-09-25T15:16:38.41 3.0 positive manual P -9.99 0
IV.GIGS.HHE. 2020-09-25T15:16:38.10 0.6 undecidable manual S 15 35.4423 97 0.03 49
IT.SULC.HNZ. 2020-09-25T15:16:38.84 0.6 undecidable manual S 103 38.0286 96 0.1 48
IV.FIAM.HHZ. 2020-09-25T15:16:37.30 1.0 undecidable manual S 296 31.2465 98 0.35 23
IV.POFI.HNE. 2020-09-25T15:16:36.03 0.6 undecidable manual P 156 51.8037 94 0.52 42
IV.LPEL.HHZ. 2020-09-25T15:16:36.35 0.3 undecidable manual P 100 60.5949 93 -0.52 62
IV.T0110.HHZ. 2020-09-25T15:16:36.10 0.3 undecidable manual S 70 27.75 100 0.08 74
IV.T1299.HNN. 2020-09-25T15:16:36.21 1.0 undecidable manual P 345 56.1993 94 0.01 23
IV.GUAR.HNN. 2020-09-25T15:16:34.31 0.6 undecidable manual P 197 40.7259 96 0.5 43
MN.AQU.HNN. 2020-09-25T15:16:34.85 0.6 undecidable manual S 349 23.6541 104 -0.11 49
IV.RM33.EHZ. 2020-09-25T15:16:34.77 1.0 undecidable manual P 334 45.1215 95 0.28 23
IV.VCEL.EHN. 2020-09-25T15:16:34.14 0.6 undecidable manual P 48 41.8248 95 0.15 47
IV.TRIF.CHZ. 2020-09-25T15:16:34.40 3.0 negative manual P -9.99 0
IT.SULC.HNZ. 2020-09-25T15:16:33.13 0.3 undecidable manual P 103 38.0286 96 -0.27 69
IV.INTR.HHZ. 2020-09-25T15:16:33.30 0.3 undecidable manual P 112 39.5271 96 -0.34 68
IV.FAGN.HHZ. 2020-09-25T15:16:33.30 0.3 undecidable manual S 37 16.872 114 0.05 75
IV.VVLD.HHZ. 2020-09-25T15:16:32.64 0.3 undecidable manual P 156 33.3444 98 -0.05 73
IV.FIAM.HHZ. 2020-09-25T15:16:32.22 0.3 undecidable manual P 296 31.2465 98 -0.15 72
IV.PTQR.HHZ. 2020-09-25T15:16:32.60 0.3 undecidable manual S 200 14.4744 120 -0.07 75
IV.GIGS.HHE. 2020-09-25T15:16:32.96 0.3 undecidable manual P 15 35.4423 97 -0.05 72
IV.ATVO.HHZ. 2020-09-25T15:16:32.70 3.0 undecidable manual P -9.99 0
IV.NARO.HHZ. 2020-09-25T15:16:32.24 3.0 undecidable manual P -9.99 0
IV.T0110.HHZ. 2020-09-25T15:16:31.82 0.1 positive manual P 70 27.75 100 -0.01 98
IV.FAGN.HHZ. 2020-09-25T15:16:30.22 0.1 undecidable manual P 37 16.872 114 -0.01 100
MN.AQU.HNN. 2020-09-25T15:16:30.82 0.3 undecidable manual P 349 23.6541 104 -0.4 69
IV.PTQR.HHZ. 2020-09-25T15:16:29.97 0.1 undecidable manual P 200 14.4744 120 0.08 100
IV.RIBO.EHZ.01 2020-09-25T15:16:28.68 3.0 negative manual P -9.99 0
IV.MAON.HHZ. 2020-09-25T15:16:26.24 3.0 undecidable manual P -9.99 0
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.PTQR.HHE. ML:1.8 0.000622 0.2 AML other m 2020-09-25T15:16:32.79
IV.PTQR.HHN. ML:1.9 0.000661 0.12 AML other m 2020-09-25T15:16:32.95
IV.FAGN.HHE. ML:2.4 0.0017649999999999999 0.28 AML other m 2020-09-25T15:16:34.56
IV.FAGN.HHN. ML:2.4 0.002115 0.26 AML other m 2020-09-25T15:16:34.81
IV.T0110.HHN. ML:2.1 0.0006945 0.22 AML other m 2020-09-25T15:16:37.35
IV.T0110.HHE. ML:2.1 0.0006405000000000001 0.56 AML other m 2020-09-25T15:16:37.89
IV.FIAM.HHN. ML:1.3 0.00008245 0.82 AML other m 2020-09-25T15:16:39.12
IV.INTR.HNE. ML:2.0 0.0003171218 0.2176 AML other m 2020-09-25T15:16:40.08
IV.INTR.HHE. ML:1.9 0.000263 0.18 AML other m 2020-09-25T15:16:40.18
IV.FIAM.HNN. ML:1.7 0.00020071224999999998 0.448 AML other m 2020-09-25T15:16:40.34
IV.FIAM.HHE. ML:1.2 0.00007345 0.5 AML other m 2020-09-25T15:16:40.14
IV.INTR.HHN. ML:1.9 0.00028100000000000005 0.6 AML other m 2020-09-25T15:16:40.88
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