Earthquake with magnitude of ML 0.7 on date 09-12-2023 and time 00:57:03 (Italy) in region 3 km S Spello (PG)

A magnitude ML 0.7 earthquake occured in region: 3 km S Spello (PG), on

  • 08-12-2023 23:57:03 (UTC)
  • 09-12-2023 00:57:03 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.9650, 12.6660 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
Spello PG 3 8645 8645
Foligno PG 3 57155 65800
Bevagna PG 6 5081 70881
Cannara PG 8 4305 75186
Montefalco PG 8 5679 80865
Gualdo Cattaneo PG 11 6155 87020
Trevi PG 12 8469 95489
Assisi PG 13 28299 123788
Valtopina PG 13 1398 125186
Bastia Umbra PG 15 21874 147060
Bettona PG 16 4367 151427
Castel Ritaldi PG 16 3278 154705
Giano dell'Umbria PG 16 3846 158551
Campello sul Clitunno PG 18 2442 160993
Nocera Umbra PG 19 5839 166832

Municipalities with at least 50000 inhabitants

An earthquake occurred to
3 Km W of Foligno (57155 inhabitants)
28 Km SE of Perugia (166134 inhabitants)
45 Km N of Terni (111501 inhabitants)
76 Km NE of Viterbo (67173 inhabitants)
85 Km SE of Arezzo (99543 inhabitants)
91 Km NW of L'Aquila (69753 inhabitants)
91 Km W of Teramo (54892 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 0.7 2023-12-08
23:57:03
42.9652 12.6658 10 2023-12-09
00:07:13
Sala Sismica INGV-Roma 123906931
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-12-08 23:57:03 ± 0.09
Latitude 42.9652 ± 0.0036
Longitude 12.6658 ± 0.0074
Depth (km) 10 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 123906931

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 591
Semi-minor axis of confidence ellipse (meter) 420
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 284
Circular confidence region, given by single value of horizontal uncertainty (meter) 590.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 151
Number of associated phases, regardless of their use for origin computation 14
Number of defining phases 14
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.17
Epicentral distance of station closest to the epicenter (degree) 0.07734
Epicentral distance of station farthest from the epicenter (degree) 0.35343
Number of stations at which the event was observed 7
Number of stations from which data was used for origin computation 7
Magnitude information

ML:0.7

Field Value
Value 0.7
Uncertainty 0.4
Num. used stations 16
Type of magnitude ML
Reference to an origin 123906931
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-12-09 00:07:13
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.NRCA.HHZ. 2023-12-08T23:57:16.23 0.6 undecidable manual S 112 39.2274 50 -0.1 47
IV.FDMO.HHZ. 2023-12-08T23:57:14.98 0.6 undecidable manual S 77 35.1426 50 -0.24 46
IV.MML1.HNZ. 2023-12-08T23:57:13.47 0.6 undecidable manual S 56 29.748 50 -0.33 45
IV.ATCC.EHZ. 2023-12-08T23:57:12.27 0.6 undecidable manual S 355 24.4533 112 -0.06 48
IV.MOMA.HHZ. 2023-12-08T23:57:10.57 0.6 undecidable manual S 204 19.5693 117 -0.2 48
IV.NRCA.HHZ. 2023-12-08T23:57:10.93 1.0 undecidable manual P 112 39.2274 50 0.17 23
IV.CESI.HNZ. 2023-12-08T23:57:10.83 0.6 undecidable manual S 77 19.869 117 -0.05 49
IV.FDMO.HHZ. 2023-12-08T23:57:09.97 1.0 undecidable manual P 77 35.1426 50 -0.15 23
IV.MML1.HNZ. 2023-12-08T23:57:09.68 0.1 undecidable manual P 56 29.748 50 0.38 90
IV.ATCC.EHZ. 2023-12-08T23:57:08.38 0.6 negative manual P 355 24.4533 112 -0.07 48
IV.CESI.HNZ. 2023-12-08T23:57:07.76 0.1 undecidable manual P 77 19.869 117 0.14 96
IV.ASSB.HHZ. 2023-12-08T23:57:07.57 0.6 undecidable manual S 356 8.5803 139 -0.17 49
IV.MOMA.HHZ. 2023-12-08T23:57:07.61 0.6 undecidable manual P 204 19.5693 117 0.06 49
IV.ASSB.HHZ. 2023-12-08T23:57:05.84 0.1 undecidable manual P 356 8.5803 139 0.04 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.ASSB.HHE. ML:0.4 0.000036817925 0.0768 AML other m 2023-12-08T23:57:07.96
IV.ASSB.HHN. ML:0.5 0.000039000825 0.0896 AML other m 2023-12-08T23:57:08.01
IV.MOMA.HHE. ML:0.4 0.0000187136 1.6 AML other m 2023-12-08T23:57:07.71
IV.MOMA.HHN. ML:0.5 0.000025162868000000002 0.1408 AML other m 2023-12-08T23:57:11.58
IV.MOMA.HNE. ML:1.2 0.0001265797 0.6784 AML other m 2023-12-08T23:57:07.90
IV.MOMA.HNN. ML:1.0 0.00008111034 0.4736 AML other m 2023-12-08T23:57:18.66
IV.ATCC.EHE. ML:0.7 0.00002818106 1.024 AML other m 2023-12-08T23:57:19.46
IV.ATCC.EHN. ML:0.4 0.000015860746 0.3712 AML other m 2023-12-08T23:57:08.50
IV.ATCC.HNE. ML:1.3 0.00012737350999999998 0.5632 AML other m 2023-12-08T23:57:11.48
IV.ATCC.HNN. ML:1.3 0.00010953785 0.6528 AML other m 2023-12-08T23:57:07.96
IV.FDMO.HHE. ML:0.6 0.0000148092 1.8944 AML other m 2023-12-08T23:57:09.00
IV.FDMO.HHN. ML:0.6 0.000017186389999999998 1.4592 AML other m 2023-12-08T23:57:11.60
IV.NRCA.HHE. ML:0.4 0.000012081486550000002 0.1408 AML other m 2023-12-08T23:57:18.66
IV.NRCA.HHN. ML:0.6 0.0000131211075 0.128 AML other m 2023-12-08T23:57:18.55
IV.NRCA.HNE. ML:1.6 0.00012975178 0.6784 AML other m 2023-12-08T23:57:22.30
IV.NRCA.HNN. ML:1.8 0.00023260615 0.96 AML other m 2023-12-08T23:57:24.47
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Download
Type Description Link
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QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download