Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.3 on date 22-10-2020 and time 17:36:09 (Italy) in region 6 km E Leonessa (RI)

A magnitude ML 2.3 earthquake occured in region: 6 km E Leonessa (RI), on

  • 22-10-2020 15:36:09 (UTC)
  • 22-10-2020 17:36:09 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.5880, 13.0340 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
Leonessa RI 6 2435 2435
Posta RI 9 694 3129
Monteleone di Spoleto PG 10 599 3728
Cittareale RI 11 482 4210
Borbona RI 12 617 4827
Cascia PG 15 3217 8044
Micigliano RI 15 127 8171
Poggio Bustone RI 15 2055 10226
Polino TR 16 233 10459
Poggiodomo PG 16 117 10576
Rivodutri RI 17 1253 11829
Cantalice RI 17 2755 14584
Morro Reatino RI 18 373 14957
Montereale AQ 19 2581 17538
Antrodoco RI 19 2588 20126

Municipalities with at least 50000 inhabitants

An earthquake occurred to
32 Km E of Terni (111501 inhabitants)
40 Km NW of L'Aquila (69753 inhabitants)
49 Km SE of Foligno (57155 inhabitants)
56 Km W of Teramo (54892 inhabitants)
70 Km NE of Guidonia Montecelio (88673 inhabitants)
72 Km N of Tivoli (56533 inhabitants)
78 Km SE of Perugia (166134 inhabitants)
78 Km E of Viterbo (67173 inhabitants)
90 Km NE of Roma (2864731 inhabitants)
92 Km W of Montesilvano (53738 inhabitants)
97 Km W of Chieti (51815 inhabitants)
98 Km W of Pescara (121014 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 2.3 2020-10-22
15:36:09		 42.588 13.034 11 2021-02-26
14:56:19		 Bollettino Sismico Italiano INGV 87146371
Reviewed
Rev100 		ML 2.3 2020-10-22
15:36:09		 42.5935 13.0298 12 2020-10-22
15:43:30		 Sala Sismica INGV-Roma 84030351
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-10-22 15:36:09 ± 0.07
Latitude 42.5880 ± 0.0027
Longitude 13.0340 ± 0.0037
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 87146371

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 306
Semi-minor axis of confidence ellipse (meter) 232
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 211
Circular confidence region, given by single value of horizontal uncertainty (meter) 310.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 56
Number of associated phases, regardless of their use for origin computation 65
Number of defining phases 65
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.3
Epicentral distance of station closest to the epicenter (degree) 0.01529
Epicentral distance of station farthest from the epicenter (degree) 0.97756
Number of stations at which the event was observed 35
Number of stations from which data was used for origin computation 35
Magnitudes information

ML:2.3

Field Value
Value 2.3
Uncertainty 0.3
Num. used stations 60
Type of magnitude ML
Reference to an origin 87146371
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2021-02-14 10:48:20

ML:2.3

Field Value
Value 2.3
Uncertainty 0.3
Num. used stations 60
Type of magnitude ML
Reference to an origin 84030351
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-10-22 15:43:30
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MURB.HHZ. 2020-10-22T15:36:36.40 0.6 undecidable manual S 331 85.5477 50 1.43 26
IV.EL6.EHZ. 2020-10-22T15:36:35.00 0.6 undecidable manual S 4 82.4508 50 0.86 35
IV.SNTG.HHZ. 2020-10-22T15:36:32.50 0.3 undecidable manual S 354 74.37 50 0.51 61
IV.ATCC.EHZ. 2020-10-22T15:36:32.40 0.3 undecidable manual S 334 73.5708 50 0.62 58
IV.MF5.EHZ. 2020-10-22T15:36:28.50 0.3 undecidable manual S 38 56.2992 50 1.34 43
IV.ATPI.EHZ. 2020-10-22T15:36:27.96 0.1 undecidable manual P 332 108.5136 50 0.15 82
IV.CSP1.EHZ. 2020-10-22T15:36:27.80 0.3 undecidable manual S 14 57.5979 50 0.29 66
IV.ASSB.HHZ. 2020-10-22T15:36:27.80 0.6 undecidable manual S 329 58.9965 50 -0.07 46
IV.FDMO.HHZ. 2020-10-22T15:36:25.50 0.3 undecidable manual S 5 49.9167 50 0.03 70
IT.MMP1.HGZ. 2020-10-22T15:36:24.30 0.1 undecidable manual S 212 44.3223 50 0.34 89
IV.TERO.HHZ. 2020-10-22T15:36:24.20 0.3 undecidable manual S 85 46.7199 50 -0.4 66
IV.MGAB.HHZ. 2020-10-22T15:36:24.29 0.1 undecidable manual P 296 83.25 50 0.37 82
IV.GIGS.HJZ. 2020-10-22T15:36:24.20 0.3 undecidable manual S 109 46.5201 50 -0.36 66
IV.MOMA.HHZ. 2020-10-22T15:36:24.20 0.3 undecidable manual S 302 44.7219 50 0.11 70
IT.MTCL.HGZ. 2020-10-22T15:36:24.00 0.1 undecidable manual S 356 45.1215 50 -0.18 92
IV.MURB.HHZ. 2020-10-22T15:36:24.62 0.3 undecidable manual P 331 85.5477 50 0.35 62
IV.CESI.HHZ. 2020-10-22T15:36:24.50 0.3 undecidable manual S 347 47.4192 50 -0.3 67
IT.GNU.HGZ. 2020-10-22T15:36:24.40 0.3 undecidable manual S 302 44.7219 50 0.31 67
IV.EL6.EHZ. 2020-10-22T15:36:23.66 0.1 undecidable manual P 4 82.4508 50 -0.13 87
IV.FEMA.HNZ. 2020-10-22T15:36:23.40 0.3 undecidable manual S 2 41.5251 50 0.18 69
IV.MMO1.EHZ. 2020-10-22T15:36:23.40 0.3 undecidable manual S 35 41.9247 50 0.06 71
IV.SNTG.HHZ. 2020-10-22T15:36:22.41 0.1 undecidable manual P 354 74.37 50 -0.14 88
IV.T0110.HHZ. 2020-10-22T15:36:22.64 0.1 undecidable manual P 123 72.6717 50 0.36 84
IV.MNTT.EHZ. 2020-10-22T15:36:22.61 0.1 undecidable manual P 41 69.6747 50 0.79 73
IV.MC2.EHZ. 2020-10-22T15:36:22.60 0.6 undecidable manual S 19 38.0286 50 0.31 45
MN.AQU.HNZ. 2020-10-22T15:36:22.80 0.6 undecidable manual S 130 39.9267 50 0 48
IV.ATCC.EHZ. 2020-10-22T15:36:22.48 0.1 undecidable manual P 334 73.5708 50 0.06 89
IV.CESX.HHZ. 2020-10-22T15:36:21.40 0.3 undecidable manual S 274 36.6411 50 -0.51 65
IV.FIAM.HHZ. 2020-10-22T15:36:21.90 0.1 undecidable manual S 169 36.1416 50 0.11 95
IV.OFFI.HHZ. 2020-10-22T15:36:21.87 0.1 undecidable manual P 54 65.5899 50 0.68 77
IV.MTRA.EHZ. 2020-10-22T15:36:21.00 0.1 undecidable manual S 58 35.0427 50 -0.48 88
IV.CAMP.HHZ. 2020-10-22T15:36:20.60 0.3 undecidable manual S 101 31.1466 50 0.14 71
IV.MF5.EHZ. 2020-10-22T15:36:19.95 0.6 positive manual P 38 56.2992 50 0.19 45
IV.NRCA.HNZ. 2020-10-22T15:36:19.00 0.1 undecidable manual S 13 28.0497 50 -0.61 85
IV.CSP1.EHZ. 2020-10-22T15:36:19.67 0.3 undecidable manual P 14 57.5979 50 -0.29 66
IV.ASSB.HHZ. 2020-10-22T15:36:19.96 1.0 positive manual P 329 58.9965 50 -0.21 22
IV.CESI.HHZ. 2020-10-22T15:36:18.09 0.1 undecidable manual P 347 47.4192 50 -0.31 89
IV.SMA1.EHZ. 2020-10-22T15:36:18.80 0.1 undecidable manual S 79 25.0527 50 -0.02 98
IV.FDMO.HHZ. 2020-10-22T15:36:18.43 0.1 undecidable manual P 5 49.9167 50 -0.35 88
IV.MOMA.HHZ. 2020-10-22T15:36:17.74 0.1 negative manual P 302 44.7219 50 -0.25 91
IV.GIGS.HJZ. 2020-10-22T15:36:17.93 0.1 undecidable manual P 109 46.5201 50 -0.33 89
IV.T1299.HNZ. 2020-10-22T15:36:17.70 0.1 undecidable manual S 76 20.868 50 -0.02 99
IV.MMO1.EHZ. 2020-10-22T15:36:17.25 0.1 undecidable manual P 35 41.9247 50 -0.3 90
IV.FEMA.HNZ. 2020-10-22T15:36:17.64 0.1 undecidable manual P 2 41.5251 50 0.16 93
IT.MTCL.HGZ. 2020-10-22T15:36:17.79 0.1 undecidable manual P 356 45.1215 50 -0.25 91
IV.TERO.HHZ. 2020-10-22T15:36:17.95 0.1 undecidable manual P 85 46.7199 50 -0.33 89
MN.AQU.HNZ. 2020-10-22T15:36:17.33 0.3 undecidable manual P 130 39.9267 50 0.09 71
IT.GNU.HGZ. 2020-10-22T15:36:17.79 0.1 undecidable manual P 302 44.7219 50 -0.19 92
IT.MMP1.HGZ. 2020-10-22T15:36:17.83 0.1 undecidable manual P 212 44.3223 50 -0.08 94
IV.ARRO.EHZ. 2020-10-22T15:36:17.70 0.6 undecidable manual S 268 21.9669 50 -0.29 47
IV.MC2.EHZ. 2020-10-22T15:36:16.74 0.1 positive manual P 19 38.0286 50 -0.21 93
IV.RM33.EHZ. 2020-10-22T15:36:16.70 0.1 undecidable manual S 121 17.1717 123 -0.01 100
IV.CESX.HHZ. 2020-10-22T15:36:16.55 0.1 undecidable manual P 274 36.6411 50 -0.17 93
IV.FIAM.HHZ. 2020-10-22T15:36:16.77 0.1 undecidable manual P 169 36.1416 50 0.11 95
IV.MTRA.EHZ. 2020-10-22T15:36:16.20 0.1 positive manual P 58 35.0427 50 -0.28 92
IV.SMA1.EHZ. 2020-10-22T15:36:15.06 0.1 positive manual P 79 25.0527 50 0.11 97
IV.CAMP.HHZ. 2020-10-22T15:36:15.88 0.1 undecidable manual P 101 31.1466 50 -0.01 98
IV.NRCA.HNZ. 2020-10-22T15:36:15.05 0.1 undecidable manual P 13 28.0497 50 -0.35 91
IV.GAVE.HNZ. 2020-10-22T15:36:15.90 0.3 undecidable manual S 315 16.2726 124 -0.54 67
IV.T1299.HNZ. 2020-10-22T15:36:14.36 0.1 undecidable manual P 76 20.868 50 0.05 99
IV.ARRO.EHZ. 2020-10-22T15:36:14.40 0.1 undecidable manual P 268 21.9669 50 -0.07 98
IV.LNSS.HNZ. 2020-10-22T15:36:13.70 0.1 undecidable manual S 17 1.6983 171 0.21 99
IV.GAVE.HNZ. 2020-10-22T15:36:13.48 0.1 negative manual P 315 16.2726 124 -0.09 99
IV.RM33.EHZ. 2020-10-22T15:36:13.83 0.1 undecidable manual P 121 17.1717 123 0.1 98
IV.LNSS.HNZ. 2020-10-22T15:36:12.20 0.1 negative manual P 17 1.6983 171 0.33 96
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.LNSS.HHN. ML:2.5 0.005905 0.18 AML other m 2020-10-22T15:36:13.87
IV.LNSS.HNN. ML:2.5 0.0056469305 0.1664 AML other m 2020-10-22T15:36:13.88
IV.LNSS.HHE. ML:2.6 0.007349731499999999 0.1152 AML other m 2020-10-22T15:36:14.49
IV.LNSS.HNE. ML:2.6 0.007027316 0.1152 AML other m 2020-10-22T15:36:14.49
IV.GAVE.EHN. ML:2.5 0.00263 0.48 AML other m 2020-10-22T15:36:16.48
IV.RM33.EHE. ML:2.0 0.0008765000000000001 1.26 AML other m 2020-10-22T15:36:17.65
IV.RM33.HNE. ML:2.0 0.0008874999999999999 1.26 AML other m 2020-10-22T15:36:17.65
IV.GAVE.HNE. ML:2.5 0.0027061145 0.1536 AML other m 2020-10-22T15:36:17.33
IV.GAVE.EHE. ML:2.6 0.0030650000000000004 0.54 AML other m 2020-10-22T15:36:17.41
IV.ARRO.EHE. ML:2.0 0.0007155 1.12 AML other m 2020-10-22T15:36:17.25
IV.GAVE.HNN. ML:2.0 0.00080809395 0.2048 AML other m 2020-10-22T15:36:17.71
IV.RM33.EHN. ML:2.0 0.0008399999999999999 0.34 AML other m 2020-10-22T15:36:18.77
IV.RM33.HNN. ML:2.0 0.000839 0.34 AML other m 2020-10-22T15:36:18.60
IV.ARRO.EHN. ML:2.2 0.0009755 1.5 AML other m 2020-10-22T15:36:18.14
IV.SMA1.EHN. ML:2.9 0.0044 0.28 AML other m 2020-10-22T15:36:19.26
IV.SMA1.EHE. ML:2.8 0.00347 0.16 AML other m 2020-10-22T15:36:19.23
IV.NRCA.HNE. ML:2.6 0.0020700000000000002 0.14 AML other m 2020-10-22T15:36:19.44
IV.NRCA.HHE. ML:2.6 0.0022649999999999997 0.14 AML other m 2020-10-22T15:36:19.44
IV.CAMP.HHN. ML:1.7 0.00021499999999999997 0.44 AML other m 2020-10-22T15:36:20.80
IV.NRCA.HHN. ML:2.4 0.001325 0.14 AML other m 2020-10-22T15:36:20.81
IV.NRCA.HNN. ML:2.4 0.0011829999999999998 0.66 AML other m 2020-10-22T15:36:20.81
IV.CAMP.HHE. ML:1.6 0.0002 0.34 AML other m 2020-10-22T15:36:20.74
IV.MTRA.HNN. ML:2.5 0.0012549999999999998 1.1 AML other m 2020-10-22T15:36:21.25
IV.MTRA.EHN. ML:2.5 0.0012799999999999999 1.08 AML other m 2020-10-22T15:36:21.26
IV.MTRA.EHE. ML:2.5 0.00117 1.54 AML other m 2020-10-22T15:36:21.01
IV.MTRA.HNE. ML:2.5 0.00117 0.18 AML other m 2020-10-22T15:36:21.69
IV.CESX.HHE. ML:1.9 0.0003085 0.3 AML other m 2020-10-22T15:36:23.17
IV.CESX.HHN. ML:2.0 0.0003795 0.58 AML other m 2020-10-22T15:36:23.14
IV.TERO.HHE. ML:2.1 0.0003415 0.5 AML other m 2020-10-22T15:36:24.31
IV.TERO.HNN. ML:2.3 0.000605 0.1 AML other m 2020-10-22T15:36:24.89
IV.TERO.HNE. ML:2.2 0.00045599999999999997 0.54 AML other m 2020-10-22T15:36:24.63
IV.MOMA.HHE. ML:2.2 0.000432 0.68 AML other m 2020-10-22T15:36:25.35
IV.TERO.HHN. ML:2.2 0.000479 1.02 AML other m 2020-10-22T15:36:25.93
IV.MOMA.HHN. ML:2.2 0.000499 0.2 AML other m 2020-10-22T15:36:25.58
IV.CESI.HHN. ML:2.5 0.0008214999999999999 0.62 AML other m 2020-10-22T15:36:25.95
IV.CESI.HHE. ML:2.3 0.0006094999999999999 0.14 AML other m 2020-10-22T15:36:25.95
IV.FDMO.HHN. ML:2.4 0.0006495 0.22 AML other m 2020-10-22T15:36:26.23
IV.FDMO.HHE. ML:2.3 0.0005430000000000001 0.2 AML other m 2020-10-22T15:36:26.27
IV.CSP1.EHE. ML:2.4 0.00048550000000000004 1.14 AML other m 2020-10-22T15:36:28.28
IV.ASSB.HHE. ML:2.4 0.000521 1.18 AML other m 2020-10-22T15:36:29.12
IV.MF5.EHE. ML:2.0 0.00022849999999999997 0.24 AML other m 2020-10-22T15:36:30.64
IV.ASSB.HHN. ML:2.2 0.000371 1.36 AML other m 2020-10-22T15:36:30.72
IV.CSP1.EHN. ML:2.4 0.000483 1.52 AML other m 2020-10-22T15:36:31.19
IV.ATCC.EHE. ML:2.4 0.0003815 0.28 AML other m 2020-10-22T15:36:33.26
IV.SNTG.HHE. ML:2.0 0.00017199999999999998 0.26 AML other m 2020-10-22T15:36:33.15
IV.ATCC.EHN. ML:2.3 0.00033699999999999995 0.68 AML other m 2020-10-22T15:36:33.38
IV.SNTG.HHN. ML:2.1 0.0001975 0.32 AML other m 2020-10-22T15:36:34.60
IV.MF5.EHN. ML:2.0 0.00020750000000000003 1.28 AML other m 2020-10-22T15:36:35.30
IV.MNTT.EHN. ML:2.4 0.00039049999999999995 0.28 AML other m 2020-10-22T15:36:36.03
IV.T0110.HHN. ML:1.9 0.00013550000000000001 1.12 AML other m 2020-10-22T15:36:36.25
IV.EL6.EHE. ML:2.4 0.00031499999999999996 0.18 AML other m 2020-10-22T15:36:37.02
IV.EL6.EHN. ML:2.4 0.0003105 0.18 AML other m 2020-10-22T15:36:37.83
IV.MURB.HHE. ML:2.7 0.0006094999999999999 0.5 AML other m 2020-10-22T15:36:39.28
IV.MURB.HNE. ML:2.6 0.0005725 0.48 AML other m 2020-10-22T15:36:39.04
IV.MURB.HHN. ML:2.6 0.000441 0.32 AML other m 2020-10-22T15:36:39.57
IV.MURB.HNN. ML:2.5 0.00042249999999999997 0.48 AML other m 2020-10-22T15:36:39.58
IV.MNTT.EHE. ML:2.5 0.000488 1.12 AML other m 2020-10-22T15:36:41.17
IV.ATPI.EHE. ML:1.8 0.0000565 1.4 AML other m 2020-10-22T15:36:46.70
IV.ATPI.EHN. ML:1.8 0.00006025 0.32 AML other m 2020-10-22T15:36:46.90
IV.T0110.HHE. ML:1.9 0.00011350000000000001 0.46 AML other m 2020-10-22T15:36:47.73
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