Earthquake with magnitude of ML 1.1 on date 16-05-2020 and time 09:15:35 (UTC) in region 5 km NW Leonessa (RI)

A magnitude ML 1.1 earthquake occured in region: 5 km NW Leonessa (RI), on

  • 16-05-2020 09:15:35 (UTC)
  • 16-05-2020 11:15:35 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.5850, 12.9180 at 11 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.

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
Poggio Bustone RI 9 2055 6575
Morro Reatino RI 10 373 6948
Ferentillo TR 11 1913 8861
Labro RI 12 374 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 15 533 16679
Scheggino PG 16 461 17140
Posta RI 16 694 17834
Cascia PG 17 3217 21051
Sant'Anatolia di Narco PG 18 564 21615
Micigliano RI 19 127 21742
Greccio RI 19 1558 23300
Borbona RI 19 617 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)
101 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 1.1 2020-05-16
09:15:35
42.5848 12.9182 11 2020-05-16
09:36:32
Sala Sismica INGV-Roma 79195441
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-05-16 09:15:35 ± 0.08
Latitude 42.5848 ± 0.0063
Longitude 12.9182 ± 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 79195441

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 675
Semi-minor axis of confidence ellipse (meter) 368
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 193
Circular confidence region, given by single value of horizontal uncertainty (meter) 680.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 158
Number of associated phases, regardless of their use for origin computation 29
Number of defining phases 14
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.18
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.46855
Number of stations at which the event was observed 22
Number of stations from which data was used for origin computation 8
Magnitude information

ML:1.1

Field Value
Value 1.1
Uncertainty 0.1
Num. used stations 2
Type of magnitude ML
Reference to an origin 79195441
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-05-16 09:36:32
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.CTI.HHZ. 2020-05-16T09:17:26.82 3.0 undecidable manual Sg 12.1 0
IV.IST3.HHZ. 2020-05-16T09:17:13.00 3.0 undecidable manual Sn -9.99 0
IV.CLTA.HHZ. 2020-05-16T09:17:07.85 3.0 undecidable manual Pg 13.19 0
MN.PDG.HHZ. 2020-05-16T09:16:57.65 3.0 positive manual Pg 14.95 0
XK.SELL.HHZ. 2020-05-16T09:16:55.57 3.0 positive manual Pg 14.35 0
IV.NDIM.HHZ. 2020-05-16T09:16:50.50 3.0 undecidable manual Sn -4.35 0
IV.IST3.HHZ. 2020-05-16T09:16:47.55 3.0 positive manual Pg 11.44 0
IV.QLNO.HHZ. 2020-05-16T09:16:40.77 3.0 undecidable manual Pg 6.28 0
IV.TEOL.HHZ. 2020-05-16T09:16:25.86 3.0 undecidable manual Pg 3.8 0
IV.CPGN.EHZ. 2020-05-16T09:16:19.98 3.0 undecidable manual Sg 0.73 0
GU.CARD.HHZ. 2020-05-16T09:16:17.06 3.0 undecidable manual Pg 2.84 0
IV.PE3.EHZ. 2020-05-16T09:16:15.05 3.0 undecidable manual Sg -0.59 0
GU.GSCL.HHZ. 2020-05-16T09:16:14.73 3.0 undecidable manual Pn -1.56 0
IV.PTRJ.HHZ. 2020-05-16T09:16:01.19 3.0 undecidable manual Pg -0.7 0
IV.NARO.HHZ. 2020-05-16T09:15:52.29 3.0 undecidable manual Pn -4.15 0
IV.CESI.HHN. 2020-05-16T09:15:50.57 0.6 undecidable manual S 359 46.62 50 0.14 48
IV.MOMA.HHN. 2020-05-16T09:15:48.03 0.3 undecidable manual S 311 37.3293 50 0.07 74
IV.NRCA.HHZ. 2020-05-16T09:15:46.21 0.3 undecidable manual S 30 31.8459 50 -0.29 71
IV.FDMO.HHZ. 2020-05-16T09:15:45.23 1.0 undecidable manual P 15 52.0035 50 0.29 23
IV.CESI.HHN. 2020-05-16T09:15:44.54 1.0 undecidable manual P 359 46.62 50 0.42 22
IV.RM33.HNZ. 2020-05-16T09:15:44.92 0.3 undecidable manual S 109 25.6521 50 0.09 75
IV.MMO1.HNE. 2020-05-16T09:15:44.73 0.6 undecidable manual P 44 48.2184 50 0.36 45
IV.MOMA.HHN. 2020-05-16T09:15:42.64 0.1 undecidable manual P 311 37.3293 50 -0.05 98
IV.ARRO.EHZ. 2020-05-16T09:15:41.05 0.6 undecidable manual S 267 12.4764 131 -0.19 50
IV.NRCA.HHZ. 2020-05-16T09:15:41.62 0.3 undecidable manual P 30 31.8459 50 -0.23 72
IV.LNSS.HHZ. 2020-05-16T09:15:40.56 0.3 undecidable manual S 79 10.1787 137 -0.11 76
IV.RM33.HNZ. 2020-05-16T09:15:40.73 0.1 undecidable manual P 109 25.6521 50 -0.16 98
IV.LNSS.HHZ. 2020-05-16T09:15:38.68 0.1 positive manual P 79 10.1787 137 0.2 100
IV.ARRO.EHZ. 2020-05-16T09:15:38.84 0.3 undecidable manual P 267 12.4764 131 0.03 77
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.LNSS.HHN. ML:1.0 0.00011949999999999999 1.88 AML other m 2020-05-16T09:15:41.04
IV.LNSS.HHE. ML:1.1 0.00016299999999999998 0.1 AML other m 2020-05-16T09:15:41.10
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Download
Type Description Link
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QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download