Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 0.3 on date 19-03-2023 and time 15:04:59 (Italy) in region 8 km NW Sellano (PG)

A magnitude ML 0.3 earthquake occured in region: 8 km NW Sellano (PG), on

  • 19-03-2023 14:04:59 (UTC)
  • 19-03-2023 15:04:59 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.9370, 12.8610 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
Sellano PG 8 1079 1079
Trevi PG 11 8469 9548
Foligno PG 13 57155 66703
Monte Cavallo MC 13 145 66848
Cerreto di Spoleto PG 14 1075 67923
Campello sul Clitunno PG 15 2442 70365
Preci PG 16 724 71089
Valtopina PG 16 1398 72487
Spello PG 17 8645 81132
Serravalle di Chienti MC 17 1070 82202
Montefalco PG 18 5679 87881
Vallo di Nera PG 19 364 88245
Visso MC 19 1107 89352
Pieve Torina MC 20 1458 90810
Castel Ritaldi PG 20 3278 94088

Municipalities with at least 50000 inhabitants

An earthquake occurred to
13 Km E of Foligno (57155 inhabitants)
43 Km E of Perugia (166134 inhabitants)
45 Km NE of Terni (111501 inhabitants)
76 Km W of Teramo (54892 inhabitants)
79 Km NW of L'Aquila (69753 inhabitants)
85 Km NE of Viterbo (67173 inhabitants)
93 Km SW of Ancona (100861 inhabitants)
99 Km SE of Arezzo (99543 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 0.3 2023-03-19
14:04:59		 42.9372 12.8608 10 2023-03-19
14:14:26		 Sala Sismica INGV-Roma 115536081
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-03-19 14:04:59 ± 0.07
Latitude 42.9372 ± 0.0036
Longitude 12.8608 ± 0.0037
Depth (km) 10 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 115536081

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 388
Semi-minor axis of confidence ellipse (meter) 107
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 15
Circular confidence region, given by single value of horizontal uncertainty (meter) 390.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 187
Number of associated phases, regardless of their use for origin computation 26
Number of defining phases 12
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.09
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.29498
Number of stations at which the event was observed 19
Number of stations from which data was used for origin computation 6
Magnitude information

ML:0.3

Field Value
Value 0.3
Uncertainty 0.3
Num. used stations 10
Type of magnitude ML
Reference to an origin 115536081
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-03-19 14:14:26
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MCRV.HHZ. 2023-03-19T14:06:37.61 3.0 undecidable manual Sn 1.22 0
IV.HPAC.HHZ. 2023-03-19T14:06:36.85 3.0 negative manual Pn 1.77 0
IT.ORP.HGZ. 2023-03-19T14:06:29.50 3.0 undecidable manual Sn 2.26 0
IV.MTTG.HHZ. 2023-03-19T14:06:19.19 3.0 undecidable manual Pn -1.41 0
IV.ECTS.HHZ. 2023-03-19T14:06:14.96 3.0 undecidable manual Pn -5.01 0
OT.CGL1.HHZ. 2023-03-19T14:06:08.85 3.0 undecidable manual Pn 8.24 0
IV.MCRV.HHZ. 2023-03-19T14:05:58.98 3.0 undecidable manual Pg 15.11 0
IV.VCEL.EHZ. 2023-03-19T14:05:50.16 3.0 undecidable manual Sn 0.05 0
MN.TRI.HHZ. 2023-03-19T14:05:31.96 3.0 undecidable manual Sn -0.81 0
CH.MUGIO.HHZ. 2023-03-19T14:05:16.66 3.0 undecidable manual Pn -2.68 0
IV.CSP1.EHZ. 2023-03-19T14:05:11.30 0.6 undecidable manual S 58 32.745 50 0.1 48
IV.NRCA.HHZ. 2023-03-19T14:05:08.50 0.6 undecidable manual S 119 23.5542 112 -0.02 50
IV.FDMO.HHZ. 2023-03-19T14:05:07.80 0.6 undecidable manual S 59 21.4674 114 -0.03 50
IV.ASSB.HHZ. 2023-03-19T14:05:07.40 0.6 undecidable manual S 306 20.1687 116 -0.02 50
IV.MML1.EHZ. 2023-03-19T14:05:07.70 0.6 undecidable manual S 25 21.5673 114 -0.16 49
IV.NARO.HHZ. 2023-03-19T14:05:07.89 3.0 undecidable manual S -3.72 0
IV.CSP1.EHZ. 2023-03-19T14:05:06.22 0.6 positive manual P 58 32.745 50 -0.11 48
IV.MML1.EHZ. 2023-03-19T14:05:04.47 1.0 undecidable manual P 25 21.5673 114 0.07 25
OX.MARN.HHZ. 2023-03-19T14:05:04.13 3.0 undecidable manual P 2.05 0
IV.CESI.HHZ. 2023-03-19T14:05:04.10 0.6 undecidable manual S 25 8.2806 139 0.01 51
IV.NRCA.HHZ. 2023-03-19T14:05:04.64 1.0 positive manual P 119 23.5542 112 -0.14 24
IV.FDMO.HHZ. 2023-03-19T14:05:04.40 1.0 positive manual P 59 21.4674 114 0.01 25
IV.ASSB.HHZ. 2023-03-19T14:05:04.12 0.1 negative manual P 306 20.1687 116 -0.03 100
IV.CESI.HHZ. 2023-03-19T14:05:02.52 0.6 positive manual P 25 8.2806 139 0.29 48
IV.ARVD.HHZ. 2023-03-19T14:04:57.63 3.0 positive manual P -2.61 0
IV.IMOL.HNZ. 2023-03-19T14:04:45.11 3.0 undecidable manual S -0.6 0
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.CESI.HHE. ML:0.3 0.00003125 0.1 AML other m 2023-03-19T14:05:05.70
IV.CESI.HHN. ML:0.4 0.0000337 0.32 AML other m 2023-03-19T14:05:06.34
IV.ASSB.HHE. ML:0.3 0.000017143223999999998 0.064 AML other m 2023-03-19T14:05:08.73
IV.ASSB.HHN. ML:0.4 0.000018274465 0.064 AML other m 2023-03-19T14:05:08.73
IV.FDMO.HHE. ML:0.2 0.000008525906 0.1024 AML other m 2023-03-19T14:05:08.48
IV.FDMO.HHN. ML:-0.1 0.0000072440635 0.1216 AML other m 2023-03-19T14:05:09.46
IV.MML1.EHE. ML:0.3 0.0000150130115 0.16 AML other m 2023-03-19T14:05:08.11
IV.MML1.EHN. ML:0.2 0.000011378248 0.096 AML other m 2023-03-19T14:05:08.56
IV.NRCA.HHE. ML:0.7 0.000028898575000000003 0.16 AML other m 2023-03-19T14:05:08.62
IV.NRCA.HHN. ML:0.9 0.00004975997 0.1408 AML other m 2023-03-19T14:05:08.54
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