Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 0.8 on date 27-06-2020 and time 13:44:15 (Italy) in region 4 km SW Leonessa (RI)

A magnitude ML 0.8 earthquake occured in region: 4 km SW Leonessa (RI), on

  • 27-06-2020 11:44:15 (UTC)
  • 27-06-2020 13:44:15 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.5420, 12.9320 at 10 km depth.

The earthquake was located by: Sala Sismica INGV-Roma.

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 4 2435 2435
Poggio Bustone RI 6 2055 4490
Rivodutri RI 7 1253 5743
Morro Reatino RI 8 373 6116
Cantalice RI 8 2755 8871
Polino TR 9 233 9104
Labro RI 11 374 9478
Monteleone di Spoleto PG 12 599 10077
Colli sul Velino RI 13 533 10610
Posta RI 14 694 11304
Arrone TR 14 2763 14067
Micigliano RI 14 127 14194
Ferentillo TR 15 1913 16107
Montefranco TR 15 1276 17383
Rieti RI 16 47698 65081
Greccio RI 17 1558 66639
Borbona RI 17 617 67256
Cittaducale RI 17 6828 74084
Castel Sant'Angelo RI 18 1308 75392
Antrodoco RI 18 2588 77980
Borgo Velino RI 18 972 78952
Poggiodomo PG 19 117 79069
Contigliano RI 20 3783 82852

Municipalities with at least 50000 inhabitants

An earthquake occurred to
23 Km E of Terni (111501 inhabitants)
44 Km W of L'Aquila (69753 inhabitants)
50 Km SE of Foligno (57155 inhabitants)
63 Km N of Guidonia Montecelio (88673 inhabitants)
65 Km W of Teramo (54892 inhabitants)
65 Km N of Tivoli (56533 inhabitants)
69 Km E of Viterbo (67173 inhabitants)
77 Km SE of Perugia (166134 inhabitants)
81 Km NE of Roma (2864731 inhabitants)
96 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
Reviewed
Rev100 		ML 0.8 2020-06-27
11:44:15		 42.5425 12.9317 11 2020-06-27
12:30:22		 Sala Sismica INGV-Roma 80561651
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-06-27 11:44:15 ± 0.1
Latitude 42.5425 ± 0.0045
Longitude 12.9317 ± 0.0049
Depth (km) 11 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 80561651

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 572
Semi-minor axis of confidence ellipse (meter) 357
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 33
Circular confidence region, given by single value of horizontal uncertainty (meter) 570.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 162
Number of associated phases, regardless of their use for origin computation 36
Number of defining phases 12
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.14
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.53869
Number of stations at which the event was observed 30
Number of stations from which data was used for origin computation 7
Magnitude information

ML:0.8

Field Value
Value 0.8
Uncertainty 0.2
Num. used stations 12
Type of magnitude ML
Reference to an origin 80561651
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-06-27 12:30:22
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
XK.GIZZ.HHZ. 2020-06-27T11:46:05.49 3.0 undecidable manual Sn -5.27 0
IV.EUCT.HNZ. 2020-06-27T11:45:53.67 3.0 undecidable manual Sn -1.04 0
GU.RNCA.HHZ. 2020-06-27T11:45:47.11 3.0 undecidable manual Sn 1.53 0
IV.ECTS.HHZ. 2020-06-27T11:45:42.18 3.0 undecidable manual Pg 15.83 0
MN.PDG.HHZ. 2020-06-27T11:45:37.18 3.0 negative manual Pg 11.97 0
AC.VLO.HHZ. 2020-06-27T11:45:32.45 3.0 undecidable manual Pn -1.43 0
IV.MCRV.HHZ. 2020-06-27T11:45:31.90 3.0 undecidable manual Sg 7.2 0
IV.HAGA.HHZ. 2020-06-27T11:45:31.69 3.0 undecidable manual Pn -2.46 0
CR.STON.BHZ. 2020-06-27T11:45:24.06 3.0 undecidable manual Pg 14.64 0
CH.FUORN.HHZ. 2020-06-27T11:45:17.68 3.0 undecidable manual Pn -2.29 0
IV.IMOL.HNZ. 2020-06-27T11:45:11.60 3.0 undecidable manual Sn -0.57 0
GU.PCP.HHZ. 2020-06-27T11:45:10.64 3.0 undecidable manual Pn 2.18 0
OX.VARN.HHZ. 2020-06-27T11:45:09.63 3.0 undecidable manual Pn 2.71 0
IV.MIDA.HHZ. 2020-06-27T11:44:58.26 3.0 undecidable manual Sg -0.04 0
IV.CPGN.EHZ. 2020-06-27T11:44:52.01 3.0 undecidable manual Sn -4.21 0
IV.CPOZ.HHZ. 2020-06-27T11:44:46.88 3.0 undecidable manual Pg 1.46 0
IV.MNTP.HNZ. 2020-06-27T11:44:42.31 3.0 undecidable manual S -0.95 0
IV.RONT.HHZ. 2020-06-27T11:44:42.27 3.0 negative manual Pn -0.39 0
IV.PTQR.HHZ. 2020-06-27T11:44:38.96 3.0 undecidable manual S 1.59 0
IV.MAON.HHZ. 2020-06-27T11:44:35.95 3.0 undecidable manual P 1.81 0
IV.ASSB.HHE. 2020-06-27T11:44:34.64 3.0 undecidable manual S 338 59.7957 50 0.68 0
IV.ARVD.HHZ. 2020-06-27T11:44:32.06 3.0 undecidable manual P 0
IV.MOMA.HHZ. 2020-06-27T11:44:29.06 0.6 undecidable manual S 315 41.3253 50 0.01 48
IV.NRCA.HHZ. 2020-06-27T11:44:27.30 0.3 undecidable manual S 25 35.5422 50 -0.2 71
IV.SMA1.EHZ. 2020-06-27T11:44:27.46 0.6 undecidable manual S 73 34.3434 50 0.28 46
IV.ASSB.HHE. 2020-06-27T11:44:26.11 0.6 undecidable manual P 338 59.7957 50 -0.01 47
IV.RM33.EHZ. 2020-06-27T11:44:24.21 0.3 undecidable manual S 99 23.4543 50 -0.05 74
IV.RMP.HHZ. 2020-06-27T11:44:24.27 3.0 positive manual Pn -1.38 0
IV.MOMA.HHZ. 2020-06-27T11:44:23.31 0.3 undecidable manual P 315 41.3253 50 0.02 72
IV.NRCA.HHZ. 2020-06-27T11:44:22.45 0.1 undecidable manual P 25 35.5422 50 0.05 97
IV.SMA1.EHZ. 2020-06-27T11:44:22.29 0.3 undecidable manual P 73 34.3434 50 0.08 73
IV.FIAM.HHZ. 2020-06-27T11:44:21.99 0.3 undecidable manual P 153 34.0437 50 -0.17 71
IV.RM33.EHZ. 2020-06-27T11:44:20.52 0.1 positive manual P 99 23.4543 50 0 100
IV.LNSS.HHZ. 2020-06-27T11:44:20.51 0.3 undecidable manual S 53 11.0778 133 -0.22 73
IV.LNSS.HHZ. 2020-06-27T11:44:18.70 0.1 undecidable manual P 53 11.0778 133 0.21 98
IV.T1299.EHZ. 2020-06-27T11:44:18.62 3.0 undecidable manual P 0
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.LNSS.HHE. ML:1.1 0.000152760345 0.1408 AML other m 2020-06-27T11:44:21.04
IV.LNSS.HHN. ML:1.0 0.0001301989 0.1792 AML other m 2020-06-27T11:44:21.97
IV.LNSS.HNE. ML:1.0 0.000131972 0.128 AML other m 2020-06-27T11:44:20.98
IV.LNSS.HNN. ML:1.0 0.00011792530000000001 0.1792 AML other m 2020-06-27T11:44:21.88
IV.RM33.EHE. ML:1.0 0.00005677052 0.1408 AML other m 2020-06-27T11:44:24.49
IV.RM33.EHN. ML:0.7 0.000030157249999999997 0.1408 AML other m 2020-06-27T11:44:25.29
IV.SMA1.EHE. ML:0.6 0.0000155727023 0.1792 AML other m 2020-06-27T11:44:28.02
IV.SMA1.EHN. ML:0.7 0.00001873619 0.5248 AML other m 2020-06-27T11:44:30.26
IV.NRCA.HHE. ML:0.7 0.000020498775 0.1024 AML other m 2020-06-27T11:44:29.07
IV.NRCA.HHN. ML:0.6 0.000017060905 0.1408 AML other m 2020-06-27T11:44:28.36
IV.MOMA.HHE. ML:0.8 0.00001817964 0.2368 AML other m 2020-06-27T11:44:31.76
IV.MOMA.HHN. ML:0.8 0.000017802220000000002 0.2368 AML other m 2020-06-27T11:44:30.84
GU.PCP.HHE. ML:0.0 0.000033522785 0.2816 AML other m 2020-06-27T11:45:11.42
GU.PCP.HHN. ML:0.0 0.000014313931000000002 0.1792 AML other m 2020-06-27T11:45:11.42
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