Earthquake with magnitude of ML 1.4 on date 20-09-2019 and time 05:19:48 (UTC) in region 3 km SE Antrodoco (RI)

A magnitude ML 1.4 earthquake occured in region: 3 km SE Antrodoco (RI), on

  • 20-09-2019 05:19:48 (UTC)
  • 20-09-2019 07:19:48 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.4000, 13.1130 at 10 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
Antrodoco RI 3 2588 2588
Borgo Velino RI 5 972 3560
Castel Sant'Angelo RI 7 1308 4868
Micigliano RI 8 127 4995
Cagnano Amiterno AQ 11 1369 6364
Petrella Salto RI 12 1197 7561
Scoppito AQ 12 3727 11288
Borbona RI 13 617 11905
Concerviano RI 13 291 12196
Cittaducale RI 14 6828 19024
Posta RI 14 694 19718
Fiamignano RI 15 1413 21131
Barete AQ 15 737 21868
Pizzoli AQ 16 4326 26194
Montereale AQ 18 2581 28775
Longone Sabino RI 19 597 29372
Cantalice RI 19 2755 32127
Varco Sabino RI 19 187 32314
Tornimparte AQ 20 3187 35501
Marcetelli RI 20 89 35590

Municipalities with at least 50000 inhabitants

An earthquake occurred to
24 Km W of L'Aquila (69753 inhabitants)
42 Km E of Terni (111501 inhabitants)
55 Km NE of Guidonia Montecelio (88673 inhabitants)
55 Km NE of Tivoli (56533 inhabitants)
57 Km SW of Teramo (54892 inhabitants)
70 Km SE of Foligno (57155 inhabitants)
77 Km NE of Roma (2864731 inhabitants)
83 Km E of Viterbo (67173 inhabitants)
84 Km NE of Velletri (53303 inhabitants)
86 Km W of Montesilvano (53738 inhabitants)
87 Km W of Chieti (51815 inhabitants)
91 Km W of Pescara (121014 inhabitants)
95 Km NE of Pomezia (62966 inhabitants)
97 Km NE of Aprilia (73446 inhabitants)
99 Km SE of Perugia (166134 inhabitants)
100 Km NE of Fiumicino (78395 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 1.4 2019-09-20
05:19:48
42.3997 13.1133 10 2020-02-28
16:42:00
Bollettino Sismico Italiano INGV 73556871
Reviewed
Rev100
ML 1.5 2019-09-20
05:19:48
42.4003 13.1183 10 2019-09-20
05:26:04
Sala Sismica INGV-Roma 72577091
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2019-09-20 05:19:48 ± 0.12
Latitude 42.3997 ± 0.0063
Longitude 13.1133 ± 0.0110
Depth (km) 10 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 73556871

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 851
Semi-minor axis of confidence ellipse (meter) 518
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 255
Circular confidence region, given by single value of horizontal uncertainty (meter) 850.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 126
Number of associated phases, regardless of their use for origin computation 28
Number of defining phases 15
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.32
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.64032
Number of stations at which the event was observed 21
Number of stations from which data was used for origin computation 8
Magnitudes information

ML:1.4

Field Value
Value 1.4
Uncertainty 0.2
Num. used stations 17
Type of magnitude ML
Reference to an origin 73556871
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-01-14 16:26:48

ML:1.5

Field Value
Value 1.5
Uncertainty 0.3
Num. used stations 16
Type of magnitude ML
Reference to an origin 72577091
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2019-09-20 05:26:04
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IT.LNT.HGZ. 2019-09-20T05:21:06.18 3.0 undecidable manual Sn -2.78 0
IV.CRJA.HHZ. 2019-09-20T05:21:06.84 3.0 undecidable manual Sn -3.01 0
IV.RIBO.EHZ.01 2019-09-20T05:21:03.09 3.0 undecidable manual Sn -1.3 0
IV.ZONE.HHZ. 2019-09-20T05:20:58.41 3.0 negative manual Pg 11.18 0
IV.LINA.HHZ. 2019-09-20T05:20:46.14 3.0 negative manual Pn 1.39 0
IV.CGL.BHZ. 2019-09-20T05:20:46.02 3.0 negative manual Pn 9.18 0
IV.DGI.HHZ. 2019-09-20T05:20:39.80 3.0 undecidable manual Pg 10.3 0
IV.IMOL.HNZ. 2019-09-20T05:20:34.78 3.0 positive manual Pg 12.4 0
IV.LRP.EHZ. 2019-09-20T05:20:22.37 3.0 undecidable manual Sg 11.9 0
IV.FAGN.HHZ. 2019-09-20T05:20:03.69 0.6 undecidable manual S 111 41.3253 50 1.03 34
IV.TERO.HHZ. 2019-09-20T05:20:03.28 0.6 undecidable manual S 58 47.1195 50 -0.93 36
IV.MF5.EHZ. 2019-09-20T05:20:01.80 0.3 undecidable manual P 23 71.0733 50 0.36 63
IV.ARRO.EHZ. 2019-09-20T05:20:00.96 0.3 undecidable manual S 305 34.743 50 0.06 72
IV.IVPL.HHZ. 2019-09-20T05:19:59.84 3.0 positive manual Pn -5.21 0
IV.SMA1.EHZ. 2019-09-20T05:19:59.85 0.3 undecidable manual S 35 31.3464 50 -0.16 71
IV.LNSS.HHZ. 2019-09-20T05:19:57.79 0.3 undecidable manual S 345 23.3544 113 0.08 73
IV.FAGN.HHZ. 2019-09-20T05:19:57.20 0.3 undecidable manual P 111 41.3253 50 0.35 67
IV.TERO.HHZ. 2019-09-20T05:19:57.16 0.3 undecidable manual P 58 47.1195 50 -0.59 62
IV.SMA1.EHZ. 2019-09-20T05:19:55.26 0.3 undecidable manual P 35 31.3464 50 -0.06 72
IV.RM33.EHZ. 2019-09-20T05:19:55.12 0.6 undecidable manual S 34 14.6742 124 0.05 49
IV.ARRO.EHZ. 2019-09-20T05:19:55.76 0.3 undecidable manual P 305 34.743 50 -0.08 71
IV.LNSS.HHZ. 2019-09-20T05:19:54.05 0.3 undecidable manual P 345 23.3544 113 0.05 73
IV.FIAM.HHZ. 2019-09-20T05:19:54.71 0.3 undecidable manual S 179 14.5743 124 -0.33 70
IV.FIAM.HHZ. 2019-09-20T05:19:52.45 0.1 undecidable manual P 179 14.5743 124 0 100
IV.RM33.EHZ. 2019-09-20T05:19:52.63 0.1 negative manual P 34 14.6742 124 0.16 97
IX.MNT3.HHZ.02 2019-09-20T05:19:51.29 3.0 undecidable manual S 7.06 0
IT.PLTA.HNZ. 2019-09-20T05:19:49.79 3.0 undecidable manual S -1.07 0
IV.PTRJ.HNZ. 2019-09-20T05:19:32.40 3.0 undecidable manual P -3.27 0
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.RM33.EHN. ML:1.5 0.00029219364999999995 0.1984 AML other m 2019-09-20T05:19:55.26
IV.RM33.HNN. ML:1.5 0.0002793795 0.208 AML other m 2019-09-20T05:19:55.26
IV.FIAM.HHN. ML:1.3 0.0001924425 0.1184 AML other m 2019-09-20T05:19:55.35
IV.FIAM.HNN. ML:1.5 0.00030910800000000005 0.128 AML other m 2019-09-20T05:19:55.34
IV.RM33.HNE. ML:1.7 0.0005047840999999999 0.2912 AML other m 2019-09-20T05:19:55.36
IV.RM33.EHE. ML:1.7 0.0004953474 0.2816 AML other m 2019-09-20T05:19:55.37
IV.FIAM.HHE. ML:1.2 0.00017519165 0.2784 AML other m 2019-09-20T05:19:56.24
IV.LNSS.HHE. ML:1.1 0.00008529692999999999 0.1376 AML other m 2019-09-20T05:19:58.06
IV.LNSS.HNE. ML:1.2 0.00011214249 0.2592 AML other m 2019-09-20T05:19:58.86
IV.LNSS.HNN. ML:1.2 0.0000988918825 0.1696 AML other m 2019-09-20T05:19:59.43
IV.SMA1.EHE. ML:1.6 0.00016424629499999999 0.24 AML other m 2019-09-20T05:20:00.44
IV.LNSS.HHN. ML:1.2 0.00008911465 0.2816 AML other m 2019-09-20T05:20:00.57
IV.SMA1.EHN. ML:1.4 0.00011107374000000001 0.32 AML other m 2019-09-20T05:20:02.58
IV.TERO.HHN. ML:1.2 0.000043816630000000005 0.3008 AML other m 2019-09-20T05:20:03.47
IV.TERO.HHE. ML:1.1 0.00003644343 0.2624 AML other m 2019-09-20T05:20:03.80
IV.FAGN.HHN. ML:1.6 0.00012658800000000002 0.3392 AML other m 2019-09-20T05:20:04.77
IV.FAGN.HHE. ML:1.6 0.00012988382000000002 0.3584 AML other m 2019-09-20T05:20:07.79
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