Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.4 on date 21-08-2019 and time 11:52:15 (Italy) in region 3 km W Cittareale (RI)

A magnitude ML 2.4 earthquake occured in region: 3 km W Cittareale (RI), on

  • 21-08-2019 09:52:15 (UTC)
  • 21-08-2019 11:52:15 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.6280, 13.1310 at 11 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
Cittareale RI 3 482 482
Posta RI 12 694 1176
Accumoli RI 12 667 1843
Borbona RI 13 617 2460
Amatrice RI 13 2657 5117
Cascia PG 14 3217 8334
Monteleone di Spoleto PG 15 599 8933
Montereale AQ 15 2581 11514
Leonessa RI 16 2435 13949
Capitignano AQ 18 665 14614
Poggiodomo PG 19 117 14731
Norcia PG 19 4957 19688

Municipalities with at least 50000 inhabitants

An earthquake occurred to
38 Km NW of L'Aquila (69753 inhabitants)
40 Km E of Terni (111501 inhabitants)
47 Km W of Teramo (54892 inhabitants)
50 Km SE of Foligno (57155 inhabitants)
77 Km NE of Guidonia Montecelio (88673 inhabitants)
79 Km NE of Tivoli (56533 inhabitants)
81 Km SE of Perugia (166134 inhabitants)
84 Km W of Montesilvano (53738 inhabitants)
87 Km E of Viterbo (67173 inhabitants)
90 Km W of Chieti (51815 inhabitants)
91 Km W of Pescara (121014 inhabitants)
98 Km NE 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 2.4 2019-08-21
09:52:15		 42.6285 13.1312 11 2019-11-13
14:31:04		 Bollettino Sismico Italiano INGV 73138861
Reviewed
Rev100 		ML 2.4 2019-08-21
09:52:15		 42.6238 13.129 13 2019-08-21
09:59:29		 Sala Sismica INGV-Roma 71672761
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2019-08-21 09:52:15 ± 0.06
Latitude 42.6285 ± 0.0036
Longitude 13.1312 ± 0.0049
Depth (km) 11 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 73138861

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 375
Semi-minor axis of confidence ellipse (meter) 320
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 201
Circular confidence region, given by single value of horizontal uncertainty (meter) 380.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 60
Number of associated phases, regardless of their use for origin computation 59
Number of defining phases 59
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) 0.07105
Epicentral distance of station farthest from the epicenter (degree) 0.84087
Number of stations at which the event was observed 33
Number of stations from which data was used for origin computation 33
Magnitudes information

ML:2.4

Field Value
Value 2.4
Uncertainty 0.3
Num. used stations 78
Type of magnitude ML
Reference to an origin 71672761
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2019-08-21 09:59:29

ML:2.4

Field Value
Value 2.4
Uncertainty 0.3
Num. used stations 78
Type of magnitude ML
Reference to an origin 73138861
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2019-10-08 14:59:05
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.EL6.EHZ. 2019-08-21T09:52:40.05 0.6 undecidable manual S 358 77.7666 50 1.52 25
IV.T0110.HHZ. 2019-08-21T09:52:37.62 0.6 undecidable manual S 130 68.9754 50 1.45 28
IV.ASSB.HHZ. 2019-08-21T09:52:34.07 0.6 undecidable manual S 320 59.8956 50 0.32 44
IV.GUMA.HHZ. 2019-08-21T09:52:32.22 0.6 undecidable manual S 19 50.9157 50 0.85 37
IV.MF5.EHZ. 2019-08-21T09:52:31.76 0.6 undecidable manual S 34 48.0186 50 1.18 32
IV.CSP1.EHZ. 2019-08-21T09:52:31.76 0.6 undecidable manual S 7 51.7038 50 0.18 46
IV.MGAB.HHZ. 2019-08-21T09:52:31.25 0.3 undecidable manual P 291 88.7445 50 0.85 52
IV.MOMA.HHZ. 2019-08-21T09:52:31.37 0.6 undecidable manual S 293 49.7169 50 0.34 45
IV.INTR.HHZ. 2019-08-21T09:52:30.82 0.3 undecidable manual P 137 93.3399 50 -0.29 61
IV.CESI.HHZ. 2019-08-21T09:52:30.02 0.6 undecidable manual S 336 45.621 50 0.07 47
IV.CESX.HHZ. 2019-08-21T09:52:29.99 0.3 undecidable manual S 267 44.5221 50 0.34 68
IV.FDMO.HHZ. 2019-08-21T09:52:29.68 0.3 undecidable manual S 356 45.4212 50 -0.21 68
IV.CERT.HHZ. 2019-08-21T09:52:28.12 0.3 undecidable manual P 189 76.368 50 -0.37 62
IV.TRTR.HHZ. 2019-08-21T09:52:28.14 0.3 undecidable manual P 72 66.7776 50 1.12 48
IV.GIGS.HHZ. 2019-08-21T09:52:28.25 0.6 undecidable manual S 118 41.0256 50 -0.47 42
IV.EL6.EHZ. 2019-08-21T09:52:28.86 0.3 undecidable manual P 358 77.7666 50 0.15 66
IV.FIAM.HHZ. 2019-08-21T09:52:28.45 0.6 undecidable manual S 182 40.0266 50 0 47
MN.AQU.HNN. 2019-08-21T09:52:28.23 0.6 undecidable manual S 144 37.8288 50 0.37 46
IV.T0110.HHZ. 2019-08-21T09:52:27.36 0.3 undecidable manual P 130 68.9754 50 0.01 68
IV.TERO.HHZ. 2019-08-21T09:52:27.57 0.6 undecidable manual S 91 38.628 50 -0.5 42
IV.FEMA.HNE. 2019-08-21T09:52:27.86 0.6 undecidable manual S 350 37.629 50 0.06 48
IV.OFFI.HHZ. 2019-08-21T09:52:26.06 0.1 undecidable manual P 53 56.499 50 0.62 81
IV.MMO1.EHZ. 2019-08-21T09:52:26.59 0.6 undecidable manual S 28 34.0437 50 -0.26 46
IV.MNTT.EHZ. 2019-08-21T09:52:26.89 0.1 undecidable manual P 38 61.1943 50 0.74 76
IV.MC2.EHZ. 2019-08-21T09:52:26.23 0.6 undecidable manual S 9 31.746 50 -0.01 49
IV.FAGN.HHZ. 2019-08-21T09:52:25.31 0.3 undecidable manual P 137 54.7008 50 0.15 69
IV.ARRO.EHZ. 2019-08-21T09:52:25.69 0.6 undecidable manual S 260 30.3474 50 -0.17 47
IV.ASSB.HHZ. 2019-08-21T09:52:25.87 0.1 undecidable manual P 320 59.8956 50 -0.08 91
IV.MTRA.HNZ. 2019-08-21T09:52:24.02 0.3 undecidable manual S 57 25.8519 50 -0.66 61
IV.MOMA.HHZ. 2019-08-21T09:52:24.28 0.1 undecidable manual P 293 49.7169 50 -0.1 92
IV.CAMP.HHZ. 2019-08-21T09:52:24.15 0.6 undecidable manual S 114 24.9528 50 -0.28 46
IV.MF5.EHZ. 2019-08-21T09:52:24.48 0.1 undecidable manual P 34 48.0186 50 0.36 89
IV.CSP1.EHZ. 2019-08-21T09:52:24.46 0.1 undecidable manual P 7 51.7038 50 -0.24 90
IV.GUMA.HHZ. 2019-08-21T09:52:24.66 0.1 undecidable manual P 19 50.9157 50 0.08 93
IV.CESX.HHZ. 2019-08-21T09:52:23.36 0.3 undecidable manual P 267 44.5221 50 -0.22 68
IV.GAVE.HNZ. 2019-08-21T09:52:23.06 0.1 undecidable manual S 290 20.5683 50 -0.2 95
IV.FDMO.HHZ. 2019-08-21T09:52:23.41 0.1 undecidable manual P 356 45.4212 50 -0.31 89
IV.NRCA.HNZ. 2019-08-21T09:52:23.27 0.1 undecidable manual S 357 22.755 50 -0.58 86
IV.CESI.HHZ. 2019-08-21T09:52:23.62 0.1 undecidable manual P 336 45.621 50 -0.14 93
IV.FIAM.HHZ. 2019-08-21T09:52:22.82 0.1 positive manual P 182 40.0266 50 -0.07 94
MN.AQU.HNN. 2019-08-21T09:52:22.59 0.3 undecidable manual P 144 37.8288 50 0.04 72
IV.SMA1.EHZ. 2019-08-21T09:52:22.16 0.1 undecidable manual S 89 16.6722 50 -0.06 100
IV.TERO.HHZ. 2019-08-21T09:52:22.31 0.1 undecidable manual P 91 38.628 50 -0.37 89
IV.FEMA.HNE. 2019-08-21T09:52:22.32 0.3 undecidable manual P 350 37.629 50 -0.2 70
IV.GIGS.HHZ. 2019-08-21T09:52:22.66 0.1 undecidable manual P 118 41.0256 50 -0.39 88
IV.RM33.EHZ. 2019-08-21T09:52:21.75 0.1 undecidable manual S 153 14.874 126 0.02 99
IV.MC2.EHZ. 2019-08-21T09:52:21.44 0.1 undecidable manual P 9 31.746 50 -0.17 94
IV.MMO1.EHZ. 2019-08-21T09:52:21.63 0.1 undecidable manual P 28 34.0437 50 -0.34 91
IV.ARRO.EHZ. 2019-08-21T09:52:21.32 0.1 positive manual P 260 30.3474 50 -0.08 96
IV.T1299.HNN. 2019-08-21T09:52:20.97 0.3 undecidable manual S 87 12.3765 132 -0.07 75
IV.MTRA.HNZ. 2019-08-21T09:52:20.39 0.1 undecidable manual P 57 25.8519 50 -0.32 92
IV.CAMP.HHZ. 2019-08-21T09:52:20.48 0.1 positive manual P 114 24.9528 50 -0.09 97
IV.LNSS.HHZ. 2019-08-21T09:52:20.19 0.3 undecidable manual S 249 7.881 144 0.19 72
IV.NRCA.HNZ. 2019-08-21T09:52:19.95 0.1 undecidable manual P 357 22.755 50 -0.29 94
IV.RM33.EHZ. 2019-08-21T09:52:19.11 0.1 positive manual P 153 14.874 126 0.1 98
IV.SMA1.EHZ. 2019-08-21T09:52:19.42 0.1 positive manual P 89 16.6722 50 0.13 97
IV.GAVE.HNZ. 2019-08-21T09:52:19.84 0.1 positive manual P 290 20.5683 50 -0.05 99
IV.LNSS.HHZ. 2019-08-21T09:52:18.24 0.1 undecidable manual P 249 7.881 144 0.22 96
IV.T1299.HNN. 2019-08-21T09:52:18.74 0.1 undecidable manual P 87 12.3765 132 0.13 97
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.LNSS.HHN. ML:3.2 0.022 0.36 AML other m 2019-08-21T09:52:20.48
IV.LNSS.HNN. ML:3.2 0.019649999999999997 0.34 AML other m 2019-08-21T09:52:20.48
IV.LNSS.HHE. ML:3.3 0.02785 0.16 AML other m 2019-08-21T09:52:20.33
IV.LNSS.HNE. ML:3.3 0.0265 0.14 AML other m 2019-08-21T09:52:20.34
IV.RM33.HNN. ML:2.8 0.005685 1.74 AML other m 2019-08-21T09:52:21.02
IV.RM33.EHN. ML:2.8 0.0055 1.76 AML other m 2019-08-21T09:52:21.02
IV.RM33.HNE. ML:2.7 0.00542 0.62 AML other m 2019-08-21T09:52:22.18
IV.RM33.EHE. ML:2.7 0.005235 0.62 AML other m 2019-08-21T09:52:22.18
IV.SMA1.EHE. ML:3.4 0.020950000000000003 0.28 AML other m 2019-08-21T09:52:22.60
IV.SMA1.EHN. ML:3.2 0.0147 0.26 AML other m 2019-08-21T09:52:22.63
IV.GAVE.HNN. ML:2.4 0.00171 0.28 AML other m 2019-08-21T09:52:23.37
IV.GAVE.EHN. ML:2.9 0.00563 0.26 AML other m 2019-08-21T09:52:23.37
IV.NRCA.HNE. ML:3.1 0.00855 0.14 AML other m 2019-08-21T09:52:23.67
IV.NRCA.HHE. ML:3.2 0.009024999999999998 0.14 AML other m 2019-08-21T09:52:23.67
IV.GAVE.HNE. ML:2.9 0.005525 0.3 AML other m 2019-08-21T09:52:23.63
IV.GAVE.EHE. ML:2.8 0.005055 0.34 AML other m 2019-08-21T09:52:23.64
IV.NRCA.HNN. ML:2.9 0.004815000000000001 0.1 AML other m 2019-08-21T09:52:23.94
IV.NRCA.HHN. ML:2.9 0.005775000000000001 0.1 AML other m 2019-08-21T09:52:23.94
IV.MTRA.HNN. ML:2.6 0.002545 0.98 AML other m 2019-08-21T09:52:24.37
IV.MTRA.EHN. ML:2.7 0.002605 1 AML other m 2019-08-21T09:52:24.37
IV.CAMP.HHN. ML:2.1 0.0008045 0.84 AML other m 2019-08-21T09:52:24.66
IV.CAMP.HHE. ML:2.3 0.0010550000000000002 0.66 AML other m 2019-08-21T09:52:24.69
IV.MTRA.HNE. ML:2.8 0.003875 0.24 AML other m 2019-08-21T09:52:24.87
IV.MTRA.EHE. ML:2.8 0.003905 0.24 AML other m 2019-08-21T09:52:24.87
IV.ARRO.EHE. ML:2.1 0.0006739999999999999 0.22 AML other m 2019-08-21T09:52:27.47
IV.ARRO.EHN. ML:2.2 0.000765 0.26 AML other m 2019-08-21T09:52:28.01
IV.TERO.HHE. ML:2.4 0.0009565 0.1 AML other m 2019-08-21T09:52:28.20
IV.GIGS.HHN. ML:2.1 0.00043 0.16 AML other m 2019-08-21T09:52:28.48
IV.GIGS.HHE. ML:2.1 0.000395 0.22 AML other m 2019-08-21T09:52:28.64
IV.FIAM.HHE. ML:2.4 0.0008449999999999999 0.56 AML other m 2019-08-21T09:52:29.65
IV.TERO.HHN. ML:2.5 0.0011600000000000002 0.32 AML other m 2019-08-21T09:52:29.60
IV.FDMO.HHN. ML:2.1 0.00039400000000000004 0.28 AML other m 2019-08-21T09:52:30.20
IV.FIAM.HHN. ML:2.2 0.0005195000000000001 0.76 AML other m 2019-08-21T09:52:30.62
IV.FDMO.HHE. ML:2.2 0.000419 0.32 AML other m 2019-08-21T09:52:30.67
IV.CESI.HHN. ML:2.5 0.0009885 0.22 AML other m 2019-08-21T09:52:31.16
IV.CESI.HHE. ML:2.1 0.00035150000000000003 0.96 AML other m 2019-08-21T09:52:31.55
IV.MOMA.HHN. ML:2.3 0.0005255 1.22 AML other m 2019-08-21T09:52:32.76
IV.GUMA.HHE. ML:3.0 0.00239 0.36 AML other m 2019-08-21T09:52:32.71
IV.GUMA.HNN. ML:2.9 0.0019850000000000002 0.46 AML other m 2019-08-21T09:52:32.74
IV.CSP1.EHN. ML:2.5 0.0007955 1.52 AML other m 2019-08-21T09:52:33.23
IV.CESX.HHN. ML:2.2 0.0005344999999999999 1.42 AML other m 2019-08-21T09:52:33.25
IV.MOMA.HHE. ML:2.3 0.000544 0.32 AML other m 2019-08-21T09:52:33.46
IV.CESX.HHE. ML:2.2 0.00043149999999999997 1.48 AML other m 2019-08-21T09:52:33.13
IV.GUMA.HHN. ML:2.9 0.0018599999999999999 0.56 AML other m 2019-08-21T09:52:34.24
IV.GUMA.HNE. ML:2.8 0.0018 0.64 AML other m 2019-08-21T09:52:34.55
IV.CSP1.EHE. ML:2.3 0.0005250000000000001 0.5 AML other m 2019-08-21T09:52:35.56
IV.ASSB.HHE. ML:2.1 0.0002705 0.42 AML other m 2019-08-21T09:52:35.69
IV.OFFI.HHE. ML:2.6 0.0009199999999999999 1.52 AML other m 2019-08-21T09:52:35.87
IV.OFFI.HHN. ML:2.6 0.0009339999999999999 0.42 AML other m 2019-08-21T09:52:35.98
IV.ASSB.HHN. ML:2.1 0.000245 0.22 AML other m 2019-08-21T09:52:36.20
IV.FAGN.HHN. ML:2.4 0.0005605 0.26 AML other m 2019-08-21T09:52:38.72
IV.MNTT.EHE. ML:2.6 0.0007524999999999999 0.4 AML other m 2019-08-21T09:52:38.67
IV.T0110.HHE. ML:2.3 0.000334 1.84 AML other m 2019-08-21T09:52:39.07
IV.MNTT.EHN. ML:2.5 0.0006885 0.86 AML other m 2019-08-21T09:52:39.30
IV.FAGN.HHE. ML:2.4 0.0005775 1.5 AML other m 2019-08-21T09:52:41.80
IV.TRTR.HHN. ML:2.6 0.0007405 1.12 AML other m 2019-08-21T09:52:43.91
IV.EL6.EHN. ML:2.3 0.000317 0.4 AML other m 2019-08-21T09:52:44.61
IV.CERT.HHN. ML:2.2 0.00022049999999999997 1.26 AML other m 2019-08-21T09:52:44.71
IV.SAMA.HHE. ML:2.6 0.0003925 0.06 AML other m 2019-08-21T09:52:45.38
IV.T0110.HHN. ML:2.3 0.0003205 0.38 AML other m 2019-08-21T09:52:45.61
IV.SAMA.HHN. ML:2.5 0.0002935 0.24 AML other m 2019-08-21T09:52:45.57
IV.MGAB.HHN. ML:2.2 0.00021 0.46 AML other m 2019-08-21T09:52:46.68
IV.EL6.EHE. ML:2.3 0.0002595 1.4 AML other m 2019-08-21T09:52:46.78
IV.ARVD.HHE. ML:1.9 0.00007919999999999999 0.42 AML other m 2019-08-21T09:52:46.96
IV.MGAB.HHE. ML:2.4 0.00027550000000000003 0.36 AML other m 2019-08-21T09:52:46.99
IV.MGAB.HNE. ML:2.3 0.000241 1.02 AML other m 2019-08-21T09:52:46.99
IV.TRTR.HHE. ML:2.5 0.000606 0.38 AML other m 2019-08-21T09:52:47.63
IV.LPEL.HHE. ML:2.2 0.0001385 0.46 AML other m 2019-08-21T09:52:47.97
IV.LPEL.HHN. ML:2.2 0.00013700000000000002 0.16 AML other m 2019-08-21T09:52:50.61
IV.CERT.HHE. ML:2.3 0.0002685 0.34 AML other m 2019-08-21T09:52:50.93
IV.MGAB.HNN. ML:2.3 0.00022700000000000002 0.5 AML other m 2019-08-21T09:52:51.20
IV.INTR.HHN. ML:2.3 0.00023899999999999998 0.5 AML other m 2019-08-21T09:52:51.30
IV.ARVD.HHN. ML:2.0 0.0000963 1.12 AML other m 2019-08-21T09:52:53.96
IV.INTR.HHE. ML:2.0 0.0001219 0.74 AML other m 2019-08-21T09:52:54.06
IV.FRON.EHE. ML:2.0 0.00010485 0.76 AML other m 2019-08-21T09:52:55.63
IV.FRON.EHN. ML:2.0 0.00010539999999999999 1.28 AML other m 2019-08-21T09:53:01.79
IV.SEI.HHN. ML:2.2 0.000039699999999999996 0.5 AML other m 2019-08-21T09:53:36.84
IV.SEI.HHE. ML:2.0 0.000025149999999999998 0.48 AML other m 2019-08-21T09:53:42.87
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