Earthquake with magnitude of ML 1.1 on date 25-12-2022 and time 08:19:06 (UTC) in region 4 km N Pietralunga (PG)

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

  • 25-12-2022 08:19:06 (UTC)
  • 25-12-2022 09:19:06 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 43.4780, 12.4460 at 8 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
Pietralunga PG 4 2111 2111
Apecchio PU 9 1882 3993
Piobbico PU 14 2029 6022
Cantiano PU 15 2245 8267
Montone PG 16 1680 9947
CittĂ  di Castello PG 17 39913 49860
Gubbio PG 17 32216 82076
Cagli PU 18 8731 90807
Scheggia e Pascelupo PG 20 1393 92200

Municipalities with at least 50000 inhabitants

An earthquake occurred to
41 Km N of Perugia (166134 inhabitants)
45 Km E of Arezzo (99543 inhabitants)
61 Km SW of Pesaro (94582 inhabitants)
62 Km NW of Foligno (57155 inhabitants)
62 Km SW of Fano (60888 inhabitants)
66 Km S of Rimini (147750 inhabitants)
75 Km S of Cesena (96758 inhabitants)
88 Km W of Ancona (100861 inhabitants)
89 Km SE of Forlì (117913 inhabitants)
92 Km E of Siena (53903 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 2022-12-25
08:19:06
43.4777 12.4463 8 2022-12-25
08:30:43
Sala Sismica INGV-Roma 113072521
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2022-12-25 08:19:06 ± 0.05
Latitude 43.4777 ± 0.0027
Longitude 12.4463 ± 0.0025
Depth (km) 8 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 113072521

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 232
Semi-minor axis of confidence ellipse (meter) 209
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 231
Circular confidence region, given by single value of horizontal uncertainty (meter) 230.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 77
Number of associated phases, regardless of their use for origin computation 19
Number of defining phases 19
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.14
Epicentral distance of station closest to the epicenter (degree) 0.08633
Epicentral distance of station farthest from the epicenter (degree) 0.37861
Number of stations at which the event was observed 12
Number of stations from which data was used for origin computation 12
Magnitude information

ML:1.1

Field Value
Value 1.1
Uncertainty 0.3
Num. used stations 16
Type of magnitude ML
Reference to an origin 113072521
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2022-12-25 08:30:43
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.ATCC.EHZ. 2022-12-25T08:19:18.95 0.1 undecidable manual S 154 36.0417 50 0.21 93
IV.SSFR.HHZ. 2022-12-25T08:19:15.89 0.3 undecidable manual S 100 27.4503 106 -0.04 73
IV.PARC.HHZ. 2022-12-25T08:19:15.54 0.3 undecidable manual S 319 25.2525 108 0.32 69
IV.ATCC.EHZ. 2022-12-25T08:19:13.24 0.6 positive manual P 154 36.0417 50 -0.12 47
IV.CAFI.HHZ. 2022-12-25T08:19:13.88 1.0 undecidable manual P 247 42.0246 50 -0.41 22
IV.BADI.EHZ. 2022-12-25T08:19:12.40 0.1 undecidable manual S 282 16.6722 116 -0.03 100
IV.NARO.HHZ. 2022-12-25T08:19:12.83 0.1 undecidable manual S 36 18.2706 114 -0.12 97
IV.FOSV.EHZ. 2022-12-25T08:19:12.69 1.0 negative manual P 129 32.4453 104 -0.03 24
IV.MPAG.EHZ. 2022-12-25T08:19:12.11 1.0 negative manual P 56 30.2475 105 -0.18 24
IV.ATFO.HHZ. 2022-12-25T08:19:12.19 0.1 undecidable manual S 141 15.873 117 -0.01 100
IV.SSFR.HHZ. 2022-12-25T08:19:11.52 0.6 undecidable manual P 100 27.4503 106 -0.22 47
IV.PARC.HHZ. 2022-12-25T08:19:11.23 1.0 positive manual P 319 25.2525 108 -0.09 24
IV.MURB.HHZ. 2022-12-25T08:19:11.31 0.1 positive manual P 165 24.6531 108 0.11 97
IV.ATMI.HHZ. 2022-12-25T08:19:10.45 0.6 undecidable manual P 222 21.4674 111 -0.15 48
IV.PIEI.HHZ. 2022-12-25T08:19:10.59 0.1 undecidable manual S 48 9.5793 130 0.22 97
IV.ATFO.HHZ. 2022-12-25T08:19:09.61 0.3 positive manual P 141 15.873 117 0.02 75
IV.BADI.EHZ. 2022-12-25T08:19:09.62 0.1 positive manual P 282 16.6722 116 -0.1 98
IV.NARO.HHZ. 2022-12-25T08:19:09.87 0.3 positive manual P 36 18.2706 114 -0.15 73
IV.PIEI.HHZ. 2022-12-25T08:19:08.62 1.0 negative manual P 48 9.5793 130 0.09 25
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.PIEI.HHN. ML:1.0 0.0001587 0.22 AML other m 2022-12-25T08:19:11.03
IV.PIEI.HHE. ML:1.2 0.000211 0.26 AML other m 2022-12-25T08:19:11.03
IV.ATFO.HHN. ML:1.1 0.000124 0.26 AML other m 2022-12-25T08:19:12.54
IV.ATFO.HHE. ML:1.1 0.0001298 0.18 AML other m 2022-12-25T08:19:12.64
IV.BADI.EHN. ML:1.2 0.000132 0.16 AML other m 2022-12-25T08:19:13.12
IV.BADI.EHE. ML:1.2 0.00015 0.2 AML other m 2022-12-25T08:19:13.05
IV.NARO.HHE. ML:0.7 0.000045799999999999995 0.98 AML other m 2022-12-25T08:19:13.11
IV.NARO.HHN. ML:0.8 0.0000493 1.1 AML other m 2022-12-25T08:19:13.62
IV.MURB.HHE. ML:1.3 0.0001265 0.24 AML other m 2022-12-25T08:19:15.66
IV.MURB.HHN. ML:1.3 0.000122 1.14 AML other m 2022-12-25T08:19:16.00
IV.PARC.HHE. ML:1.0 0.0000525 0.88 AML other m 2022-12-25T08:19:16.49
IV.PARC.HHN. ML:0.8 0.0000336 0.42 AML other m 2022-12-25T08:19:16.36
IV.SSFR.HHE. ML:1.2 0.00008030000000000001 0.18 AML other m 2022-12-25T08:19:16.87
IV.SSFR.HHN. ML:1.2 0.0000843 1.86 AML other m 2022-12-25T08:19:16.95
IV.ATCC.HNE. ML:2.6 0.001455 0.86 AML other m 2022-12-25T08:19:26.82
IV.ATCC.HNN. ML:2.0 0.0003495 0.54 AML other m 2022-12-25T08:19:30.96
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