Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.7 on date 19-09-2020 and time 01:12:33 (UTC) in region 5 km NE Borbona (RI)

A magnitude ML 1.7 earthquake occured in region: 5 km NE Borbona (RI), on

  • 19-09-2020 01:12:33 (UTC)
  • 19-09-2020 03:12:33 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.5590, 13.1540 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
Borbona RI 5 617 617
Posta RI 6 694 1311
Cittareale RI 7 482 1793
Montereale AQ 8 2581 4374
Cagnano Amiterno AQ 13 1369 5743
Capitignano AQ 13 665 6408
Amatrice RI 14 2657 9065
Micigliano RI 14 127 9192
Leonessa RI 16 2435 11627
Barete AQ 16 737 12364
Antrodoco RI 17 2588 14952
Accumoli RI 17 667 15619
Campotosto AQ 18 542 16161
Pizzoli AQ 18 4326 20487
Borgo Velino RI 19 972 21459
Monteleone di Spoleto PG 20 599 22058

Municipalities with at least 50000 inhabitants

An earthquake occurred to
31 Km NW of L'Aquila (69753 inhabitants)
42 Km E of Terni (111501 inhabitants)
47 Km W of Teramo (54892 inhabitants)
58 Km SE of Foligno (57155 inhabitants)
71 Km NE of Guidonia Montecelio (88673 inhabitants)
72 Km NE of Tivoli (56533 inhabitants)
82 Km W of Montesilvano (53738 inhabitants)
86 Km W of Chieti (51815 inhabitants)
87 Km SE of Perugia (166134 inhabitants)
87 Km E of Viterbo (67173 inhabitants)
88 Km W of Pescara (121014 inhabitants)
92 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 1.7 2020-09-19
01:12:33		 42.559 13.1543 11 2021-02-26
14:56:15		 Bollettino Sismico Italiano INGV 86231511
Reviewed
Rev100 		ML 1.7 2020-09-19
01:12:33		 42.5522 13.1538 11 2020-09-19
01:17:15		 Sala Sismica INGV-Roma 83018431
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-09-19 01:12:33 ± 0.06
Latitude 42.5590 ± 0.0036
Longitude 13.1543 ± 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 86231511

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 454
Semi-minor axis of confidence ellipse (meter) 341
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 196
Circular confidence region, given by single value of horizontal uncertainty (meter) 450.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 64
Number of associated phases, regardless of their use for origin computation 39
Number of defining phases 39
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) 0.06655
Epicentral distance of station farthest from the epicenter (degree) 0.61604
Number of stations at which the event was observed 28
Number of stations from which data was used for origin computation 28
Magnitudes information

ML:1.7

Field Value
Value 1.7
Uncertainty 0.3
Num. used stations 47
Type of magnitude ML
Reference to an origin 86231511
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2021-02-15 10:21:37

ML:1.7

Field Value
Value 1.7
Uncertainty 0.3
Num. used stations 34
Type of magnitude ML
Reference to an origin 83018431
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-09-19 01:17:15
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MC2.EHZ. 2020-09-19T01:12:47.22 0.6 undecidable manual S 4 39.2274 50 0.54 43
IV.MNTT.EHZ. 2020-09-19T01:12:46.26 0.6 undecidable manual P 33 66.378 50 0.87 35
IV.MMO1.EHZ. 2020-09-19T01:12:46.92 0.6 undecidable manual S 20 40.3263 50 -0.05 47
IV.OFFI.HHZ. 2020-09-19T01:12:45.22 0.3 undecidable manual P 46 60.0954 50 0.8 55
IV.TERO.HHZ. 2020-09-19T01:12:45.69 0.6 undecidable manual S 79 37.4292 50 -0.51 43
IV.T0110.HHZ. 2020-09-19T01:12:45.27 0.6 undecidable manual P 125 62.6928 50 0.45 42
IV.ASSB.HHZ. 2020-09-19T01:12:45.56 0.3 undecidable manual P 323 67.0773 50 0.06 68
IV.MTCE.HHZ. 2020-09-19T01:12:45.33 0.6 undecidable manual P 210 68.376 50 -0.37 42
IV.CSP1.EHZ. 2020-09-19T01:12:44.18 0.3 undecidable manual P 4 59.2962 50 -0.11 68
IV.VCEL.EHZ. 2020-09-19T01:12:44.70 0.3 undecidable manual P 108 58.9965 50 0.44 63
IV.NRCA.HHZ. 2020-09-19T01:12:44.06 0.6 undecidable manual S 354 30.6471 50 -0.34 45
IV.GUMA.HHZ. 2020-09-19T01:12:44.36 0.3 undecidable manual P 15 57.7977 50 0.3 65
IV.FDMO.HHZ. 2020-09-19T01:12:43.20 0.3 undecidable manual P 354 53.2023 50 -0.16 68
IV.MOMA.HHZ. 2020-09-19T01:12:43.70 0.6 undecidable manual P 300 54.8007 50 0.09 46
IV.MTRA.EHZ. 2020-09-19T01:12:43.86 0.3 undecidable manual S 42 29.5482 50 -0.24 70
IV.MF5.EHZ. 2020-09-19T01:12:43.77 0.3 undecidable manual P 27 53.7018 50 0.34 65
IV.CESI.HHE. 2020-09-19T01:12:43.30 0.3 undecidable manual P 338 53.502 50 -0.1 69
IV.CESX.HHE. 2020-09-19T01:12:42.35 0.6 undecidable manual P 277 46.7199 50 0 47
IV.GAVE.EHZ. 2020-09-19T01:12:42.82 0.3 undecidable manual S 305 25.8519 50 -0.3 69
IV.CAMP.HHZ. 2020-09-19T01:12:41.55 0.3 undecidable manual S 97 20.9679 50 -0.27 70
IV.MMO1.EHZ. 2020-09-19T01:12:41.27 0.3 undecidable manual P 20 40.3263 50 -0.1 70
IV.MC2.EHZ. 2020-09-19T01:12:41.18 0.3 undecidable manual P 4 39.2274 50 -0.02 72
MN.AQU.HNN. 2020-09-19T01:12:40.25 0.6 undecidable manual P 138 30.6471 50 0.37 45
IV.TERO.HHZ. 2020-09-19T01:12:40.70 0.3 undecidable manual P 79 37.4292 50 -0.22 69
IV.FIAM.HHZ. 2020-09-19T01:12:40.24 0.3 undecidable manual P 185 32.4453 50 0.09 72
IV.GIGS.HHN. 2020-09-19T01:12:40.49 0.6 undecidable manual P 109 36.2415 50 -0.25 46
IV.SMA1.EHZ. 2020-09-19T01:12:40.61 0.3 undecidable manual S 62 16.7721 123 -0.03 74
IV.ARRO.EHZ. 2020-09-19T01:12:40.17 0.3 undecidable manual P 274 31.8459 50 0.11 71
IV.MTRA.EHZ. 2020-09-19T01:12:39.42 0.3 undecidable manual P 42 29.5482 50 -0.29 69
IV.T1299.HNN. 2020-09-19T01:12:39.51 0.6 undecidable manual S 51 13.3755 129 -0.17 48
IV.NRCA.HHZ. 2020-09-19T01:12:39.60 0.3 undecidable manual P 354 30.6471 50 -0.28 69
IV.GAVE.EHZ. 2020-09-19T01:12:39.05 0.3 undecidable manual P 305 25.8519 50 -0.09 72
IV.CAMP.HHZ. 2020-09-19T01:12:38.36 0.1 undecidable manual P 97 20.9679 50 -0.03 98
IV.LNSS.HHZ. 2020-09-19T01:12:38.90 0.1 undecidable manual S 298 10.4784 136 -0.04 100
IV.SMA1.EHZ. 2020-09-19T01:12:37.84 0.1 undecidable manual P 62 16.7721 123 0.13 97
IV.RM33.EHZ. 2020-09-19T01:12:37.94 0.1 undecidable manual S 138 7.3815 146 -0.32 95
IV.T1299.HNN. 2020-09-19T01:12:37.26 0.1 undecidable manual P 51 13.3755 129 0.1 98
IV.LNSS.HHZ. 2020-09-19T01:12:36.86 0.1 undecidable manual P 298 10.4784 136 0.13 98
IV.RM33.EHZ. 2020-09-19T01:12:36.41 0.1 undecidable manual P 138 7.3815 146 0.07 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.RM33.HNN. ML:2.3 0.0028650000000000004 0.24 AML other m 2020-09-19T01:12:38.14
IV.RM33.EHN. ML:2.3 0.00283 0.22 AML other m 2020-09-19T01:12:38.03
IV.RM33.HNE. ML:2.1 0.0016155534999999998 0.2496 AML other m 2020-09-19T01:12:38.45
IV.RM33.EHE. ML:2.1 0.0016384894999999999 0.26 AML other m 2020-09-19T01:12:38.45
IV.LNSS.HNN. ML:2.1 0.00147 0.3 AML other m 2020-09-19T01:12:39.23
IV.LNSS.HHN. ML:2.2 0.0016769984999999998 0.3 AML other m 2020-09-19T01:12:39.23
IV.LNSS.HNE. ML:2.1 0.00156 0.18 AML other m 2020-09-19T01:12:39.18
IV.LNSS.HHE. ML:2.1 0.001595 0.16 AML other m 2020-09-19T01:12:39.17
IV.SMA1.EHN. ML:2.0 0.0007775 1.74 AML other m 2020-09-19T01:12:40.92
IV.SMA1.EHE. ML:1.9 0.0007282987999999999 0.24 AML other m 2020-09-19T01:12:41.01
IV.CAMP.HHE. ML:1.3 0.0001524486 0.48 AML other m 2020-09-19T01:12:42.59
IV.CAMP.HHN. ML:1.4 0.00017549999999999998 0.32 AML other m 2020-09-19T01:12:43.06
IV.GAVE.EHE. ML:1.5 0.00017829654999999999 0.28 AML other m 2020-09-19T01:12:44.67
IV.NRCA.HNE. ML:2.0 0.00045650000000000004 1.88 AML other m 2020-09-19T01:12:44.01
IV.NRCA.HHE. ML:2.0 0.00046550000000000004 1.88 AML other m 2020-09-19T01:12:44.01
IV.NRCA.HNN. ML:2.0 0.00043100000000000007 0.14 AML other m 2020-09-19T01:12:45.01
IV.NRCA.HHN. ML:2.0 0.00049712025 0.14 AML other m 2020-09-19T01:12:45.08
IV.MTRA.EHN. ML:1.5 0.00016549999999999998 0.26 AML other m 2020-09-19T01:12:45.39
IV.MTRA.EHE. ML:1.5 0.00015200975 0.18 AML other m 2020-09-19T01:12:45.37
IV.TERO.HHN. ML:1.7 0.00017922405 0.16 AML other m 2020-09-19T01:12:45.86
IV.TERO.HNN. ML:1.7 0.00018832695 0.16 AML other m 2020-09-19T01:12:45.78
IV.TERO.HHE. ML:1.6 0.00016748615 0.14 AML other m 2020-09-19T01:12:45.84
IV.TERO.HNE. ML:1.6 0.000166505 0.22 AML other m 2020-09-19T01:12:45.85
IV.GAVE.HNE. ML:1.5 0.0001586251 0.22 AML other m 2020-09-19T01:12:46.72
IV.ARRO.EHE. ML:1.3 0.00009104999999999999 0.38 AML other m 2020-09-19T01:12:46.69
IV.GAVE.EHN. ML:1.4 0.000150856155 0.28 AML other m 2020-09-19T01:12:46.95
IV.MTRA.HNE. ML:1.5 0.00014954495000000002 0.3096 AML other m 2020-09-19T01:12:47.02
IV.MTRA.HNN. ML:1.6 0.00017834545000000002 0.3 AML other m 2020-09-19T01:12:47.92
IV.ARRO.EHN. ML:1.4 0.000102495925 0.18 AML other m 2020-09-19T01:12:48.04
IV.FIAM.HHE. ML:1.2 0.00006585378 0.44 AML other m 2020-09-19T01:12:48.47
IV.FIAM.HHN. ML:1.2 0.000074783725 0.42 AML other m 2020-09-19T01:12:48.32
IV.FIAM.HNN. ML:1.6 0.00015420444999999998 0.4696 AML other m 2020-09-19T01:12:48.89
IV.MOMA.HHN. ML:1.5 0.0000812 0.22 AML other m 2020-09-19T01:12:52.62
IV.CSP1.EHN. ML:1.7 0.00011640141000000001 0.32 AML other m 2020-09-19T01:12:53.53
IV.MOMA.HHE. ML:1.4 0.000061991195 0.42 AML other m 2020-09-19T01:12:53.45
IV.FDMO.HHN. ML:1.2 0.0000412 1.6 AML other m 2020-09-19T01:12:54.91
IV.MOMA.HNE. ML:1.7 0.000105907475 0.5696 AML other m 2020-09-19T01:12:54.20
IV.VCEL.EHE. ML:1.7 0.000096264205 0.26 AML other m 2020-09-19T01:12:54.89
IV.VCEL.EHN. ML:1.5 0.00006950890500000002 0.12 AML other m 2020-09-19T01:12:54.89
IV.GUMA.HHN. ML:1.9 0.00016767647000000003 0.2 AML other m 2020-09-19T01:12:55.43
IV.CSP1.EHE. ML:1.6 0.00009044563 0.24 AML other m 2020-09-19T01:12:55.70
IV.FDMO.HHE. ML:1.2 0.00003478101999999999 0.26 AML other m 2020-09-19T01:12:56.44
IV.GUMA.HNE. ML:1.9 0.00017993835 0.64 AML other m 2020-09-19T01:12:57.52
IV.T0110.HHE. ML:1.4 0.000047194205 0.34 AML other m 2020-09-19T01:12:58.22
IV.GUMA.HHE. ML:1.8 0.00014509254999999998 0.36 AML other m 2020-09-19T01:12:58.98
IV.ASSB.HHN. ML:1.5 0.0000563 0.22 AML other m 2020-09-19T01:13:00.38
IV.ASSB.HHE. ML:1.4 0.00005234999999999999 1.1 AML other m 2020-09-19T01:13:01.00
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