Earthquake with magnitude of ML 1.2 on date 11-11-2023 and time 08:42:30 (Italy) in region 2 km SE Spello (PG)

A magnitude ML 1.2 earthquake occured in region: 2 km SE Spello (PG), on

  • 11-11-2023 07:42:30 (UTC)
  • 11-11-2023 08:42:30 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.9780, 12.6850 at 16 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
Spello PG 2 8645 8645
Foligno PG 3 57155 65800
Bevagna PG 8 5081 70881
Cannara PG 9 4305 75186
Montefalco PG 10 5679 80865
Valtopina PG 11 1398 82263
Assisi PG 12 28299 110562
Trevi PG 12 8469 119031
Gualdo Cattaneo PG 13 6155 125186
Bastia Umbra PG 15 21874 147060
Bettona PG 17 4367 151427
Castel Ritaldi PG 17 3278 154705
Nocera Umbra PG 17 5839 160544
Giano dell'Umbria PG 18 3846 164390
Campello sul Clitunno PG 19 2442 166832

Municipalities with at least 50000 inhabitants

An earthquake occurred to
3 Km NW of Foligno (57155 inhabitants)
28 Km SE of Perugia (166134 inhabitants)
46 Km N of Terni (111501 inhabitants)
78 Km NE of Viterbo (67173 inhabitants)
85 Km SE of Arezzo (99543 inhabitants)
90 Km W of Teramo (54892 inhabitants)
91 Km NW of L'Aquila (69753 inhabitants)
98 Km SW of Ancona (100861 inhabitants)
100 Km S of Fano (60888 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 1.2 2023-11-11
07:42:30
42.978 12.6852 16 2023-11-11
07:48:19
Sala Sismica INGV-Roma 123026681
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-11-11 07:42:30 ± 0.14
Latitude 42.9780 ± 0.0036
Longitude 12.6852 ± 0.0086
Depth (km) 16 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 123026681

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 488
Semi-minor axis of confidence ellipse (meter) 475
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 288
Circular confidence region, given by single value of horizontal uncertainty (meter) 490.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 137
Number of associated phases, regardless of their use for origin computation 14
Number of defining phases 12
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.13
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.29947
Number of stations at which the event was observed 8
Number of stations from which data was used for origin computation 6
Magnitude information

ML:1.2

Field Value
Value 1.2
Uncertainty 0.0
Num. used stations 2
Type of magnitude ML
Reference to an origin 123026681
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-11-11 07:48:19
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.CIMA.HNZ. 2023-11-11T07:42:48.35 3.0 negative manual P 4.1 0
IV.ATFO.HHZ. 2023-11-11T07:42:43.36 3.0 undecidable manual S -0.03 0
IV.FDMO.HHZ. 2023-11-11T07:42:42.25 1.0 undecidable manual S 79 33.2445 102 0.05 49
IV.MOMA.HHZ. 2023-11-11T07:42:39.06 0.6 undecidable manual S 206 21.4674 113 -0.13 99
IT.GNU.HGN. 2023-11-11T07:42:39.09 0.6 undecidable manual S 206 21.4674 113 -0.1 99
IV.ATCC.EHZ. 2023-11-11T07:42:39.28 0.6 undecidable manual S 351 23.2545 111 -0.36 94
IV.CESI.HHZ. 2023-11-11T07:42:38.25 0.6 undecidable manual S 80 18.0708 119 -0.12 99
IV.FDMO.HHZ. 2023-11-11T07:42:37.40 0.6 undecidable manual P 79 33.2445 102 0.05 98
IV.ASSB.HHZ. 2023-11-11T07:42:36.47 0.6 undecidable manual S 343 7.4814 149 0.15 100
IV.ATCC.EHZ. 2023-11-11T07:42:36.20 1.0 negative manual P 351 23.2545 111 0.32 47
IV.MOMA.HHZ. 2023-11-11T07:42:35.71 0.6 positive manual P 206 21.4674 113 0.09 99
IT.GNU.HGN. 2023-11-11T07:42:35.59 1.0 undecidable manual P 206 21.4674 113 -0.03 50
IV.CESI.HHZ. 2023-11-11T07:42:35.27 0.6 positive manual P 80 18.0708 119 0.12 99
IV.ASSB.HHZ. 2023-11-11T07:42:34.19 1.0 undecidable manual P 343 7.4814 149 0.23 49
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.ASSB.HHN. ML:1.2 0.00017099999999999998 0.94 AML other m 2023-11-11T07:42:36.59
IV.ASSB.HHE. ML:1.2 0.0001805 0.86 AML other m 2023-11-11T07:42:37.59
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