Earthquake with magnitude of ML 1.1 on date 07-05-2023 and time 17:14:31 (Italy) in region 4 km SE Sellano (PG)

A magnitude ML 1.1 earthquake occured in region: 4 km SE Sellano (PG), on

  • 07-05-2023 15:14:31 (UTC)
  • 07-05-2023 17:14:31 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.8660, 12.9720 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
Preci PG 6 724 1803
Cerreto di Spoleto PG 7 1075 2878
Visso MC 12 1107 3985
Norcia PG 13 4957 8942
Vallo di Nera PG 14 364 9306
Monte Cavallo MC 15 145 9451
Castelsantangelo sul Nera MC 15 281 9732
Ussita MC 16 444 10176
Campello sul Clitunno PG 17 2442 12618
Cascia PG 17 3217 15835
Poggiodomo PG 17 117 15952
Trevi PG 18 8469 24421
Sant'Anatolia di Narco PG 18 564 24985

Municipalities with at least 50000 inhabitants

An earthquake occurred to
24 Km E of Foligno (57155 inhabitants)
43 Km NE of Terni (111501 inhabitants)
55 Km SE of Perugia (166134 inhabitants)
64 Km W of Teramo (54892 inhabitants)
67 Km NW of L'Aquila (69753 inhabitants)
87 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
Reviewed
Rev100
ML 1.1 2023-05-07
15:14:31
42.8658 12.9717 10 2023-05-07
15:19:54
Sala Sismica INGV-Roma 117124041
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-05-07 15:14:31 ± 0.04
Latitude 42.8658 ± 0.0027
Longitude 12.9717 ± 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 117124041

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 344
Semi-minor axis of confidence ellipse (meter) 138
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 121
Circular confidence region, given by single value of horizontal uncertainty (meter) 340.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 91
Number of associated phases, regardless of their use for origin computation 20
Number of defining phases 19
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.12
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.40110
Number of stations at which the event was observed 11
Number of stations from which data was used for origin computation 10
Magnitude information

ML:1.1

Field Value
Value 1.1
Uncertainty 0.2
Num. used stations 12
Type of magnitude ML
Reference to an origin 117124041
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-05-07 15:19:54
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.CSP1.EHZ. 2023-05-07T15:14:42.18 0.6 undecidable manual S 37 31.4463 50 0.1 48
IV.MOMA.HHZ. 2023-05-07T15:14:42.82 0.3 undecidable manual S 258 33.3444 50 0.22 70
IV.MMO1.EHZ. 2023-05-07T15:14:41.44 0.6 undecidable manual S 83 29.1486 50 -0.03 49
IV.MML1.EHZ. 2023-05-07T15:14:40.90 0.6 undecidable manual S 0 27.4503 50 -0.13 48
IV.FDMO.HHZ. 2023-05-07T15:14:39.00 0.6 undecidable manual S 26 21.1677 116 -0.17 48
IV.ATCC.EHZ. 2023-05-07T15:14:39.34 1.0 undecidable manual P 323 44.5221 50 -0.09 24
IV.GAVE.EHZ. 2023-05-07T15:14:38.68 0.6 undecidable manual S 198 20.2686 117 -0.22 48
IV.CSP1.EHZ. 2023-05-07T15:14:37.36 0.3 positive manual P 37 31.4463 50 -0.05 73
IV.MMO1.EHZ. 2023-05-07T15:14:37.03 0.6 negative manual P 83 29.1486 50 -0.03 49
IV.MOMA.HHZ. 2023-05-07T15:14:37.48 0.6 undecidable manual P 258 33.3444 50 -0.23 47
IV.ASSB.HHZ. 2023-05-07T15:14:37.30 3.0 negative manual P -0.02 0
IV.NRCA.HHZ. 2023-05-07T15:14:36.56 0.6 undecidable manual S 107 12.1767 130 0.03 50
IT.MTCL.HGE. 2023-05-07T15:14:36.90 0.6 undecidable manual S 9 14.3745 125 -0.25 48
IV.FEMA.HNE. 2023-05-07T15:14:36.66 0.6 undecidable manual S 31 12.4764 129 0.05 50
IV.MML1.EHZ. 2023-05-07T15:14:36.76 0.6 negative manual P 0 27.4503 50 -0.05 49
IV.GAVE.EHZ. 2023-05-07T15:14:35.58 0.1 undecidable manual P 198 20.2686 117 0 100
IV.FDMO.HHZ. 2023-05-07T15:14:35.62 1.0 undecidable manual P 26 21.1677 116 -0.11 24
IV.NRCA.HHZ. 2023-05-07T15:14:34.31 1.0 undecidable manual P 107 12.1767 130 0.1 25
IT.MTCL.HGE. 2023-05-07T15:14:34.70 0.1 undecidable manual P 9 14.3745 125 0.13 98
IV.FEMA.HNE. 2023-05-07T15:14:34.48 0.1 undecidable manual P 31 12.4764 129 0.23 97
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.NRCA.HHN. ML:1.5 0.000321 0.12 AML other m 2023-05-07T15:14:36.75
IV.NRCA.HHE. ML:1.2 0.00019250000000000002 0.1 AML other m 2023-05-07T15:14:37.88
IV.FDMO.HHE. ML:0.9 0.0000497 1.04 AML other m 2023-05-07T15:14:39.67
IV.FDMO.HHN. ML:0.6 0.000030449999999999998 1.18 AML other m 2023-05-07T15:14:39.83
IV.MML1.EHN. ML:1.2 0.00008460000000000001 0.2 AML other m 2023-05-07T15:14:41.08
IV.MML1.EHE. ML:1.2 0.00008115 0.22 AML other m 2023-05-07T15:14:41.25
IV.MMO1.EHN. ML:1.2 0.00007965 0.36 AML other m 2023-05-07T15:14:41.59
IV.MMO1.EHE. ML:1.1 0.0000641 1.34 AML other m 2023-05-07T15:14:42.05
IV.ASSB.HHN. ML:0.8 0.000028049999999999997 0.28 AML other m 2023-05-07T15:14:44.52
IV.ATCC.EHE. ML:0.9 0.00002305 1.82 AML other m 2023-05-07T15:14:46.06
IV.ATCC.EHN. ML:1.1 0.000034149999999999997 0.16 AML other m 2023-05-07T15:14:46.00
IV.ASSB.HHE. ML:1.2 0.00006379999999999999 0.06 AML other m 2023-05-07T15:14:51.36
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