Earthquake with magnitude of ML 1.3 on date 01-03-2021 and time 16:18:34 (Italy) in region 4 km NW Sellano (PG)

A magnitude ML 1.3 earthquake occured in region: 4 km NW Sellano (PG), on

  • 01-03-2021 15:18:34 (UTC)
  • 01-03-2021 16:18:34 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.9140, 12.8850 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.

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 4 1079 1079
Cerreto di Spoleto PG 11 1075 2154
Trevi PG 12 8469 10623
Monte Cavallo MC 13 145 10768
Preci PG 13 724 11492
Campello sul Clitunno PG 14 2442 13934
Foligno PG 15 57155 71089
Vallo di Nera PG 16 364 71453
Visso MC 17 1107 72560
Serravalle di Chienti MC 19 1070 73630
Montefalco PG 19 5679 79309
Valtopina PG 19 1398 80707
Spello PG 19 8645 89352
Pieve Torina MC 20 1458 90810
Castel Ritaldi PG 20 3278 94088

Municipalities with at least 50000 inhabitants

An earthquake occurred to
15 Km E of Foligno (57155 inhabitants)
44 Km NE of Terni (111501 inhabitants)
46 Km E of Perugia (166134 inhabitants)
73 Km W of Teramo (54892 inhabitants)
75 Km NW of L'Aquila (69753 inhabitants)
84 Km NE of Viterbo (67173 inhabitants)
94 Km SW of Ancona (100861 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 1.3 2021-03-01
15:18:34
42.9137 12.8847 10 2021-03-01
15:36:59
Sala Sismica INGV-Roma 87602901
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-03-01 15:18:34 ± 0.05
Latitude 42.9137 ± 0.0018
Longitude 12.8847 ± 0.0049
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 87602901

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 356
Semi-minor axis of confidence ellipse (meter) 50
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 283
Circular confidence region, given by single value of horizontal uncertainty (meter) 360.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 124
Number of associated phases, regardless of their use for origin computation 29
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) 0.43527
Number of stations at which the event was observed 24
Number of stations from which data was used for origin computation 7
Magnitude information

ML:1.3

Field Value
Value 1.3
Uncertainty 0.6
Num. used stations 8
Type of magnitude ML
Reference to an origin 87602901
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-03-01 15:36:59
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.ILOS.HHZ. 2021-03-01T15:20:19.03 3.0 undecidable manual Sn -4.44 0
CR.ZAG.BHZ. 2021-03-01T15:20:16.90 3.0 undecidable manual Sn 0.04 0
GU.BLANC.HHZ. 2021-03-01T15:20:02.92 3.0 undecidable manual Pg 12.41 0
IV.AGLI.HHZ. 2021-03-01T15:20:01.87 3.0 undecidable manual Sg 4.91 0
IV.LINA.HHZ. 2021-03-01T15:20:00.30 3.0 positive manual Pn -4.25 0
IV.PIPA.HHZ. 2021-03-01T15:19:42.38 3.0 undecidable manual Pg 11.44 0
IV.SERS.HHZ. 2021-03-01T15:19:37.00 3.0 negative manual Pn 2.25 0
IV.MILN.HHZ. 2021-03-01T15:19:35.73 3.0 undecidable manual Pg 5.29 0
IV.IMOL.HNZ. 2021-03-01T15:19:33.24 3.0 undecidable manual Sg 1.89 0
IV.SCHR.EHZ. 2021-03-01T15:19:25.67 3.0 undecidable manual Pg 7.22 0
IV.SPS2.HHZ. 2021-03-01T15:19:22.87 3.0 positive manual Pn -6.83 0
IV.FIR.HHZ. 2021-03-01T15:19:21.31 3.0 undecidable manual Sn -3.42 0
IV.PTRJ.HHZ. 2021-03-01T15:19:19.50 3.0 undecidable manual Sg 2.04 0
IV.SBPO.HNZ. 2021-03-01T15:19:18.24 3.0 negative manual Pg 2.49 0
IV.ARVD.HHZ. 2021-03-01T15:18:46.44 3.0 negative manual Pg -2.28 0
IV.CSP1.EHZ. 2021-03-01T15:18:46.02 0.6 undecidable manual S 53 32.6451 50 0.03 49
IV.GAVE.EHZ. 2021-03-01T15:18:43.64 0.6 undecidable manual S 178 24.5532 112 -0.11 49
IV.NRCA.HHZ. 2021-03-01T15:18:42.59 0.6 undecidable manual S 115 20.6682 116 0.08 50
IV.VVLD.HHZ. 2021-03-01T15:18:42.55 3.0 positive manual P -0.23 0
IV.FDMO.HHZ. 2021-03-01T15:18:42.64 0.6 undecidable manual S 50 21.3675 115 -0.08 50
IV.CSP1.EHZ. 2021-03-01T15:18:41.05 0.6 positive manual P 53 32.6451 50 -0.11 48
IV.RMP.HHZ. 2021-03-01T15:18:41.48 3.0 positive manual P -0.45 0
IV.MOMA.HHZ. 2021-03-01T15:18:40.56 1.0 undecidable manual P 245 28.3494 50 0.06 25
IV.FDMO.HHZ. 2021-03-01T15:18:39.20 0.6 positive manual P 50 21.3675 115 -0.07 50
IV.NRCA.HHZ. 2021-03-01T15:18:39.26 0.6 undecidable manual P 115 20.6682 116 0.12 49
IV.CESI.HHZ. 2021-03-01T15:18:39.37 0.6 undecidable manual S 9 10.2786 134 -0.12 50
IV.GAVE.EHZ. 2021-03-01T15:18:39.84 0.1 undecidable manual P 178 24.5532 112 -0.02 100
IV.CESI.HHZ. 2021-03-01T15:18:37.55 0.1 positive manual P 9 10.2786 134 0.14 100
IV.SMA1.EHZ. 2021-03-01T15:18:34.62 0.6 negative manual P 48.3183 -8.95 0
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.CESI.HHE. ML:1.0 0.0001238 1.64 AML other m 2021-03-01T15:18:39.85
IV.CESI.HHN. ML:1.1 0.00015200000000000004 1.6 AML other m 2021-03-01T15:18:40.96
IV.NRCA.HHN. ML:0.9 0.000054800000000000004 0.1 AML other m 2021-03-01T15:18:42.77
IV.SMA1.EHE. ML:1.7 0.000127 1.8 AML other m 2021-03-01T15:18:42.96
IV.NRCA.HHE. ML:0.8 0.0000422 1.38 AML other m 2021-03-01T15:18:43.72
IV.SMA1.EHN. ML:1.5 0.0000908 0.28 AML other m 2021-03-01T15:18:49.29
IV.IMOL.HNN. ML:3.5 0.00109 0.06 AML other m 2021-03-01T15:19:34.52
IV.IMOL.HNE. ML:3.4 0.0009245000000000001 0.18 AML other m 2021-03-01T15:19:34.58
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