Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.5 on date 10-02-2020 and time 08:21:45 (Italy) in region 3 km SE Sellano (PG)

A magnitude ML 1.5 earthquake occured in region: 3 km SE Sellano (PG), on

  • 10-02-2020 07:21:45 (UTC)
  • 10-02-2020 08:21:45 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.8690, 12.9450 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
Sellano PG 3 1079 1079
Cerreto di Spoleto PG 6 1075 2154
Preci PG 8 724 2878
Vallo di Nera PG 13 364 3242
Visso MC 14 1107 4349
Campello sul Clitunno PG 15 2442 6791
Monte Cavallo MC 15 145 6936
Norcia PG 15 4957 11893
Trevi PG 16 8469 20362
Castelsantangelo sul Nera MC 17 281 20643
Poggiodomo PG 17 117 20760
Sant'Anatolia di Narco PG 17 564 21324
Cascia PG 18 3217 24541
Ussita MC 18 444 24985
Scheggino PG 20 461 25446

Municipalities with at least 50000 inhabitants

An earthquake occurred to
22 Km E of Foligno (57155 inhabitants)
42 Km NE of Terni (111501 inhabitants)
52 Km SE of Perugia (166134 inhabitants)
66 Km W of Teramo (54892 inhabitants)
69 Km NW of L'Aquila (69753 inhabitants)
85 Km NE of Viterbo (67173 inhabitants)
95 Km SW of Ancona (100861 inhabitants)
98 Km N of Guidonia Montecelio (88673 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 2020-02-10
07:21:45		 42.8692 12.9447 11 2020-07-18
21:08:22		 Bollettino Sismico Italiano INGV 76863041
Reviewed
Rev100 		ML 1.5 2020-02-10
07:21:45		 42.868 12.9372 9 2020-02-10
07:29:15		 Sala Sismica INGV-Roma 76392301
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-02-10 07:21:45 ± 0.05
Latitude 42.8692 ± 0.0018
Longitude 12.9447 ± 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 76863041

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 351
Semi-minor axis of confidence ellipse (meter) 54
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 88
Circular confidence region, given by single value of horizontal uncertainty (meter) 350.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 156
Number of associated phases, regardless of their use for origin computation 28
Number of defining phases 15
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) 0.27519
Number of stations at which the event was observed 21
Number of stations from which data was used for origin computation 8
Magnitudes information

ML:1.5

Field Value
Value 1.5
Uncertainty 0.3
Num. used stations 8
Type of magnitude ML
Reference to an origin 76392301
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-02-10 07:29:15

ML:1.5

Field Value
Value 1.5
Uncertainty 0.3
Num. used stations 8
Type of magnitude ML
Reference to an origin 76863041
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-02-27 09:49:33
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
AC.VLO.HHZ. 2020-02-10T07:23:01.29 3.0 undecidable manual Pn -2.4 0
IV.SALB.HHZ. 2020-02-10T07:22:47.94 3.0 undecidable manual Pn 4.36 0
IV.CAR1.HHZ. 2020-02-10T07:22:46.27 3.0 positive manual Pn -3.54 0
IV.CELI.HHZ. 2020-02-10T07:22:45.80 3.0 negative manual Pn -4.05 0
IV.PTRJ.HNZ. 2020-02-10T07:22:40.11 3.0 undecidable manual Sn -1.58 0
IV.MCRV.HHZ. 2020-02-10T07:22:35.85 3.0 undecidable manual Pg 9.61 0
IV.VENL.HNZ. 2020-02-10T07:22:26.88 3.0 negative manual Pg 5.84 0
IV.CPGN.EHZ. 2020-02-10T07:22:11.60 3.0 undecidable manual Sn -2.21 0
IV.OSSC.HHZ. 2020-02-10T07:22:10.55 3.0 negative manual Pg 4.02 0
TV.SF01.EHZ. 2020-02-10T07:22:03.30 3.0 positive manual Pg 0.72 0
IV.LNSS.HNZ. 2020-02-10T07:21:55.91 0.3 undecidable manual S 165 30.5472 50 -0.09 72
IV.MML1.HNZ. 2020-02-10T07:21:55.09 0.1 undecidable manual S 5 27.1506 50 -0.02 99
IV.MPAG.HNZ. 2020-02-10T07:21:54.11 3.0 undecidable manual P -1.19 0
IV.MC2.EHZ. 2020-02-10T07:21:53.23 0.3 undecidable manual S 77 20.3685 117 -0.04 75
IV.GAVE.EHZ. 2020-02-10T07:21:53.05 0.1 undecidable manual S 192 20.0688 118 -0.11 98
IV.LNSS.HNZ. 2020-02-10T07:21:51.48 0.3 undecidable manual P 165 30.5472 50 0 74
IV.NRCA.HHZ. 2020-02-10T07:21:51.33 0.1 undecidable manual S 106 14.3745 126 -0.15 98
IV.CESI.HHZ. 2020-02-10T07:21:51.68 0.1 undecidable manual S 348 15.3735 125 -0.1 99
IT.MTCL.HGZ. 2020-02-10T07:21:51.41 0.1 undecidable manual S 18 14.5743 126 -0.12 99
IV.MC2.EHZ. 2020-02-10T07:21:50.23 0.1 undecidable manual P 77 20.3685 117 0.34 93
IV.MMUR.HNZ. 2020-02-10T07:21:50.58 3.0 undecidable manual P -0.94 0
IV.FDMO.HHZ. 2020-02-10T07:21:50.04 0.1 undecidable manual P 32 21.867 50 -0.1 98
IV.MML1.HNZ. 2020-02-10T07:21:50.97 0.1 undecidable manual P 5 27.1506 50 0.01 99
IV.CESI.HHZ. 2020-02-10T07:21:49.14 0.1 positive manual P 348 15.3735 125 0.11 99
IV.GAVE.EHZ. 2020-02-10T07:21:49.96 0.1 positive manual P 192 20.0688 118 0.13 98
IT.MTCL.HGZ. 2020-02-10T07:21:48.95 0.1 undecidable manual P 18 14.5743 126 0.06 100
IV.NRCA.HHZ. 2020-02-10T07:21:48.92 0.1 negative manual P 106 14.3745 126 0.06 100
IV.CSP1.EHZ. 2020-02-10T07:21:45.33 3.0 undecidable manual P -2.41 0
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.NRCA.HHN. ML:1.7 0.0005385 0.16 AML other m 2020-02-10T07:21:51.47
IV.CESI.HHE. ML:1.3 0.00017099999999999998 0.14 AML other m 2020-02-10T07:21:51.96
IV.CESI.HHN. ML:1.4 0.0002315 0.18 AML other m 2020-02-10T07:21:51.97
IV.NRCA.HHE. ML:1.4 0.000264 0.16 AML other m 2020-02-10T07:21:52.13
IV.GAVE.EHE. ML:1.2 0.000125 0.44 AML other m 2020-02-10T07:21:53.29
IV.GAVE.EHN. ML:1.2 0.00010425000000000001 0.78 AML other m 2020-02-10T07:21:53.64
IV.MPAG.EHN. ML:1.8 0.0000837 0.66 AML other m 2020-02-10T07:22:13.64
IV.MPAG.EHE. ML:1.8 0.00006795 1.14 AML other m 2020-02-10T07:22:21.94
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