Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.5 on date 06-09-2020 and time 15:36:28 (Italy) in region 5 km NW Leonessa (RI)

A magnitude ML 1.5 earthquake occured in region: 5 km NW Leonessa (RI), on

  • 06-09-2020 13:36:28 (UTC)
  • 06-09-2020 15:36:28 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.5840, 12.9150 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 5 2435 2435
Polino TR 6 233 2668
Monteleone di Spoleto PG 8 599 3267
Rivodutri RI 9 1253 4520
Morro Reatino RI 9 373 4893
Poggio Bustone RI 9 2055 6948
Ferentillo TR 11 1913 8861
Labro RI 11 374 9235
Arrone TR 12 2763 11998
Montefranco TR 12 1276 13274
Cantalice RI 13 2755 16029
Poggiodomo PG 14 117 16146
Colli sul Velino RI 14 533 16679
Scheggino PG 16 461 17140
Posta RI 16 694 17834
Cascia PG 17 3217 21051
Sant'Anatolia di Narco PG 18 564 21615
Greccio RI 19 1558 23173
Micigliano RI 19 127 23300
Borbona RI 20 617 23917

Municipalities with at least 50000 inhabitants

An earthquake occurred to
22 Km E of Terni (111501 inhabitants)
45 Km SE of Foligno (57155 inhabitants)
47 Km NW of L'Aquila (69753 inhabitants)
65 Km W of Teramo (54892 inhabitants)
67 Km N of Guidonia Montecelio (88673 inhabitants)
69 Km E of Viterbo (67173 inhabitants)
70 Km N of Tivoli (56533 inhabitants)
72 Km SE of Perugia (166134 inhabitants)
85 Km NE of Roma (2864731 inhabitants)
100 Km N of Velletri (53303 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 1.5 2020-09-06
13:36:28		 42.5838 12.9147 11 2021-02-26
14:55:55		 Bollettino Sismico Italiano INGV 82895471
Reviewed
Rev100 		ML 1.4 2020-09-06
13:36:28		 42.5838 12.9177 12 2020-09-06
13:44:53		 Sala Sismica INGV-Roma 82675361
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-09-06 13:36:28 ± 0.05
Latitude 42.5838 ± 0.0027
Longitude 12.9147 ± 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 82895471

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 326
Semi-minor axis of confidence ellipse (meter) 208
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 7
Circular confidence region, given by single value of horizontal uncertainty (meter) 330.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 47
Number of associated phases, regardless of their use for origin computation 30
Number of defining phases 30
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.17
Epicentral distance of station closest to the epicenter (degree) 0.09443
Epicentral distance of station farthest from the epicenter (degree) 0.49553
Number of stations at which the event was observed 20
Number of stations from which data was used for origin computation 20
Magnitudes information

ML:1.4

Field Value
Value 1.4
Uncertainty 0.2
Num. used stations 16
Type of magnitude ML
Reference to an origin 82675361
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-09-06 13:44:53

ML:1.5

Field Value
Value 1.5
Uncertainty 0.3
Num. used stations 17
Type of magnitude ML
Reference to an origin 82895471
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-09-14 08:44:21
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MTRA.HNZ. 2020-09-06T13:36:42.60 0.3 undecidable manual S 64 43.7229 91 -0.25 68
IV.MOMA.HHZ. 2020-09-06T13:36:41.16 0.3 undecidable manual S 311 37.2294 91 0.05 73
IV.FIAM.HHZ. 2020-09-06T13:36:41.20 0.3 undecidable manual S 155 38.7279 91 -0.33 68
IV.SMA1.EHZ. 2020-09-06T13:36:40.76 0.6 undecidable manual S 81 34.743 91 0.31 46
IV.NRCA.HHZ. 2020-09-06T13:36:39.72 0.3 undecidable manual S 30 32.1456 91 -0.04 73
IV.FDMO.HHN. 2020-09-06T13:36:38.18 0.1 undecidable manual P 16 52.1034 90 0 94
IV.SRES.HHN. 2020-09-06T13:36:38.10 0.6 undecidable manual P 221 50.8158 90 0.13 47
IV.CESX.HHZ. 2020-09-06T13:36:38.06 0.6 undecidable manual S 276 26.9508 91 -0.31 46
IV.ASSB.HHN. 2020-09-06T13:36:38.80 0.1 undecidable manual P 338 55.0005 90 0.18 91
IV.RM33.EHZ. 2020-09-06T13:36:37.88 0.3 undecidable manual S 109 25.8519 91 -0.21 71
IV.CESI.HNZ. 2020-09-06T13:36:37.11 0.1 undecidable manual P 359 46.7199 90 -0.23 91
IV.MMO1.HNZ. 2020-09-06T13:36:37.80 0.3 undecidable manual P 44 48.5181 90 0.18 69
IV.FIAM.HHZ. 2020-09-06T13:36:36.09 0.3 undecidable manual P 155 38.7279 91 -0.03 72
IV.CAMP.HHZ. 2020-09-06T13:36:36.48 0.1 undecidable manual P 97 40.7259 91 0.05 96
IV.MC2.EHZ. 2020-09-06T13:36:36.33 0.1 undecidable manual P 32 42.624 91 -0.39 89
IV.MTRA.HNZ. 2020-09-06T13:36:36.74 0.3 undecidable manual P 64 43.7229 91 -0.15 70
IT.GNU.HGZ. 2020-09-06T13:36:36.02 0.6 undecidable manual P 311 37.2294 91 0.14 48
IT.MMP1.HGZ. 2020-09-06T13:36:36.48 0.3 undecidable manual P 200 39.5271 91 0.24 70
IV.NRCA.HHZ. 2020-09-06T13:36:35.04 0.1 undecidable manual P 30 32.1456 91 -0.06 97
IV.SMA1.EHZ. 2020-09-06T13:36:35.69 0.3 undecidable manual P 81 34.743 91 0.19 71
IV.MOMA.HHZ. 2020-09-06T13:36:35.89 0.3 undecidable manual P 311 37.2294 91 0.01 73
IV.CESX.HHZ. 2020-09-06T13:36:34.12 0.3 undecidable manual P 276 26.9508 91 -0.17 71
IV.GAVE.EHZ. 2020-09-06T13:36:34.35 0.3 undecidable manual S 352 12.0768 111 -0.1 76
IV.LNSS.HHZ. 2020-09-06T13:36:34.02 0.3 undecidable manual S 78 10.4784 120 -0.04 75
IV.RM33.EHZ. 2020-09-06T13:36:34.17 0.1 undecidable manual P 109 25.8519 91 0.04 99
IV.T1299.HNZ. 2020-09-06T13:36:34.58 0.1 undecidable manual P 79 30.5472 91 -0.27 93
IV.ARRO.EHZ. 2020-09-06T13:36:34.29 0.3 undecidable manual S 268 12.1767 111 -0.17 74
IV.ARRO.EHZ. 2020-09-06T13:36:32.09 0.1 undecidable manual P 268 12.1767 111 0.05 100
IV.GAVE.EHZ. 2020-09-06T13:36:32.21 0.1 positive manual P 352 12.0768 111 0.18 97
IV.LNSS.HHZ. 2020-09-06T13:36:31.99 0.1 negative manual P 78 10.4784 120 0.19 97
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.LNSS.HNE. ML:1.8 0.0007475724 0.1216 AML other m 2020-09-06T13:36:34.17
IV.LNSS.HHE. ML:1.9 0.0009475 0.34 AML other m 2020-09-06T13:36:34.44
IV.ARRO.EHE. ML:1.2 0.000152 0.6 AML other m 2020-09-06T13:36:34.64
IV.GAVE.EHE. ML:1.7 0.000483 0.26 AML other m 2020-09-06T13:36:34.69
IV.GAVE.EHN. ML:1.7 0.0005375 1.18 AML other m 2020-09-06T13:36:35.67
IV.LNSS.HNN. ML:1.8 0.0007424465500000001 0.16 AML other m 2020-09-06T13:36:35.19
IV.ARRO.EHN. ML:1.2 0.00016849999999999998 0.9 AML other m 2020-09-06T13:36:38.03
IV.RM33.EHN. ML:1.3 0.00010035 0.16 AML other m 2020-09-06T13:36:38.42
IV.CESX.HHE. ML:1.0 0.00005025 0.58 AML other m 2020-09-06T13:36:38.54
IV.CESX.HHN. ML:1.0 0.000054199999999999996 0.28 AML other m 2020-09-06T13:36:39.22
IV.RM33.EHE. ML:1.3 0.00011515000000000001 0.72 AML other m 2020-09-06T13:36:39.99
IV.NRCA.HHE. ML:1.5 0.0001475 0.12 AML other m 2020-09-06T13:36:40.10
IV.NRCA.HNE. ML:1.5 0.00013775004999999998 0.128 AML other m 2020-09-06T13:36:40.16
IV.NRCA.HHN. ML:1.2 0.00006905 0.58 AML other m 2020-09-06T13:36:41.85
IV.MOMA.HNE. ML:1.6 0.00013740629999999999 0.192 AML other m 2020-09-06T13:36:42.23
IV.MOMA.HHE. ML:1.6 0.0001525 0.2 AML other m 2020-09-06T13:36:42.23
IV.MOMA.HHN. ML:1.4 0.00008715 0.18 AML other m 2020-09-06T13:36:43.55
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