Earthquake with magnitude of ML 1.2 on date 01-12-2023 and time 15:58:28 (UTC) in region 5 km S Preci (PG)

A magnitude ML 1.2 earthquake occured in region: 5 km S Preci (PG), on

  • 01-12-2023 15:58:28 (UTC)
  • 01-12-2023 16:58:28 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.8310, 13.0450 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
Preci PG 5 724 724
Norcia PG 6 4957 5681
Cerreto di Spoleto PG 11 1075 6756
Castelsantangelo sul Nera MC 11 281 7037
Sellano PG 12 1079 8116
Visso MC 12 1107 9223
Cascia PG 13 3217 12440
Ussita MC 15 444 12884
Poggiodomo PG 16 117 13001
Vallo di Nera PG 16 364 13365
Monte Cavallo MC 19 145 13510

Municipalities with at least 50000 inhabitants

An earthquake occurred to
31 Km E of Foligno (57155 inhabitants)
44 Km NE of Terni (111501 inhabitants)
57 Km W of Teramo (54892 inhabitants)
61 Km NW of L'Aquila (69753 inhabitants)
62 Km SE of Perugia (166134 inhabitants)
90 Km NE of Viterbo (67173 inhabitants)
96 Km SW of Ancona (100861 inhabitants)
96 Km N of Guidonia Montecelio (88673 inhabitants)
97 Km W of Montesilvano (53738 inhabitants)
99 Km N of Tivoli (56533 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 2023-12-01
15:58:28
42.8312 13.0452 10 2023-12-01
16:02:49
Sala Sismica INGV-Roma 123630711
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-12-01 15:58:28 ± 0.21
Latitude 42.8312 ± 0.0072
Longitude 13.0452 ± 0.0172
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 123630711

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1118
Semi-minor axis of confidence ellipse (meter) 841
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 106
Circular confidence region, given by single value of horizontal uncertainty (meter) 1120.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 148
Number of associated phases, regardless of their use for origin computation 11
Number of defining phases 11
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.3
Epicentral distance of station closest to the epicenter (degree) 0.05036
Epicentral distance of station farthest from the epicenter (degree) 0.67089
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:1.2

Field Value
Value 1.2
Uncertainty 0.1
Num. used stations 2
Type of magnitude ML
Reference to an origin 123630711
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-12-01 16:02:49
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.ARVD.HHZ. 2023-12-01T15:58:46.18 1.0 negative manual P 354 74.4699 50 4.18 1
IV.LNSS.HHZ. 2023-12-01T15:58:38.23 0.6 undecidable manual S 181 25.3524 111 -0.1 50
IV.MMO1.EHZ. 2023-12-01T15:58:37.62 0.6 undecidable manual S 72 24.1536 112 -0.32 48
IV.FDMO.HHZ. 2023-12-01T15:58:37.88 0.6 undecidable manual S 9 23.0547 113 0.28 48
IV.CSP1.EHZ. 2023-12-01T15:58:35.53 0.6 negative manual P 24 31.746 50 0.12 49
IV.LNSS.HHZ. 2023-12-01T15:58:34.46 0.3 positive manual P 181 25.3524 111 0.11 75
IV.MMO1.EHZ. 2023-12-01T15:58:34.01 0.1 positive manual P 72 24.1536 112 -0.12 100
IV.FDMO.HHZ. 2023-12-01T15:58:34.27 1.0 negative manual P 9 23.0547 113 0.34 24
IV.CESI.HHZ. 2023-12-01T15:58:33.00 0.6 positive manual P 329 22.4553 113 -0.82 41
IV.NRCA.HHZ. 2023-12-01T15:58:32.79 0.6 undecidable manual S 87 5.5944 150 -0.02 53
IV.NRCA.HHZ. 2023-12-01T15:58:31.44 0.1 undecidable manual P 87 5.5944 150 0.28 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.LNSS.HHE. ML:1.2 0.00010185 0.42 AML other m 2023-12-01T15:58:38.26
IV.LNSS.HHN. ML:1.2 0.0000844 0.6 AML other m 2023-12-01T15:58:38.64
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