Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.2 on date 28-01-2024 and time 23:34:01 (Italy) in region 6 km SE Pietralunga (PG)

A magnitude ML 1.2 earthquake occured in region: 6 km SE Pietralunga (PG), on

  • 28-01-2024 22:34:01 (UTC)
  • 28-01-2024 23:34:01 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 43.4150, 12.4980 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.

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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 6 2111 2111
Gubbio PG 9 32216 34327
Cantiano PU 12 2245 36572
Scheggia e Pascelupo PG 14 1393 37965
Montone PG 15 1680 39645
Apecchio PU 17 1882 41527
Umbertide PG 18 16681 58208
Costacciaro PG 18 1216 59424
Cagli PU 19 8731 68155
Piobbico PU 19 2029 70184

Municipalities with at least 50000 inhabitants

An earthquake occurred to
35 Km N of Perugia (166134 inhabitants)
50 Km E of Arezzo (99543 inhabitants)
54 Km NW of Foligno (57155 inhabitants)
64 Km SW of Fano (60888 inhabitants)
65 Km SW of Pesaro (94582 inhabitants)
72 Km S of Rimini (147750 inhabitants)
83 Km S of Cesena (96758 inhabitants)
85 Km W of Ancona (100861 inhabitants)
95 Km E of Siena (53903 inhabitants)
96 Km N of Terni (111501 inhabitants)
97 Km SE of Forlì (117913 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 2024-01-28
22:34:01		 43.4153 12.4983 8 2024-01-28
22:43:05		 Sala Sismica INGV-Roma 124918351
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2024-01-28 22:34:01 ± 0.07
Latitude 43.4153 ± 0.0036
Longitude 12.4983 ± 0.0050
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 124918351

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 375
Semi-minor axis of confidence ellipse (meter) 249
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 286
Circular confidence region, given by single value of horizontal uncertainty (meter) 370.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 75
Number of associated phases, regardless of their use for origin computation 32
Number of defining phases 32
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.22
Epicentral distance of station closest to the epicenter (degree) 0.07195
Epicentral distance of station farthest from the epicenter (degree) 0.60704
Number of stations at which the event was observed 16
Number of stations from which data was used for origin computation 16
Magnitude information

ML:1.2

Field Value
Value 1.2
Uncertainty 0.2
Num. used stations 18
Type of magnitude ML
Reference to an origin 124918351
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2024-01-28 22:43:05
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.CSP1.EHZ. 2024-01-28T22:34:23.32 0.6 undecidable manual S 122 67.377 50 0.88 35
IV.MGAB.HHZ. 2024-01-28T22:34:22.87 0.6 undecidable manual S 209 63.8916 50 1.36 28
IV.MML1.EHZ. 2024-01-28T22:34:18.28 1.0 undecidable manual S 131 50.8158 50 0.27 22
IV.CAFI.HHZ. 2024-01-28T22:34:15.87 0.6 undecidable manual S 258 43.9227 50 -0.31 44
IV.ASSB.HHZ. 2024-01-28T22:34:15.61 0.6 undecidable manual S 163 43.3233 50 -0.4 44
IV.ARVD.HHZ. 2024-01-28T22:34:14.25 0.6 undecidable manual S 75 36.8298 50 -0.03 48
IV.CSP1.EHZ. 2024-01-28T22:34:13.54 1.0 undecidable manual P 122 67.377 50 0.01 23
IV.MPAG.EHZ. 2024-01-28T22:34:12.71 0.6 undecidable manual S 41 31.6461 104 0.01 48
IV.MGAB.HHZ. 2024-01-28T22:34:12.78 0.6 undecidable manual P 209 63.8916 50 -0.2 44
IV.ATCC.EHZ. 2024-01-28T22:34:11.76 0.6 undecidable manual S 156 27.9498 106 0.3 46
IV.MML1.EHZ. 2024-01-28T22:34:10.94 0.1 undecidable manual P 131 50.8158 50 -0.03 93
IV.BADI.EHZ. 2024-01-28T22:34:10.01 0.6 undecidable manual S 297 22.9548 110 0.2 47
IV.FOSV.EHZ. 2024-01-28T22:34:10.71 0.6 undecidable manual S 122 25.0527 108 0.22 47
IV.NARO.HHZ. 2024-01-28T22:34:09.62 0.6 undecidable manual S 17 22.6551 110 -0.09 48
IV.ASSB.HHZ. 2024-01-28T22:34:09.38 1.0 negative manual P 163 43.3233 50 -0.43 22
IV.SSFR.HHZ. 2024-01-28T22:34:09.96 0.6 undecidable manual S 84 22.9548 110 0.15 48
IV.CAFI.HHZ. 2024-01-28T22:34:09.68 1.0 undecidable manual P 258 43.9227 50 -0.23 23
IV.FRON.EHZ. 2024-01-28T22:34:09.37 0.6 undecidable manual S 58 21.5673 111 0.03 49
IV.ARVD.HHZ. 2024-01-28T22:34:08.46 0.1 undecidable manual P 75 36.8298 50 -0.35 89
IV.PIEI.HHZ. 2024-01-28T22:34:07.37 0.6 undecidable manual S 12 13.6752 121 0.5 45
IV.ATCC.EHZ. 2024-01-28T22:34:07.22 0.6 negative manual P 156 27.9498 106 0.04 48
IV.MURB.HHZ. 2024-01-28T22:34:07.65 0.6 undecidable manual S 173 17.0718 116 -0.25 47
IV.MPAG.EHZ. 2024-01-28T22:34:07.69 0.6 positive manual P 41 31.6461 104 -0.21 46
IV.FOSV.EHZ. 2024-01-28T22:34:06.47 0.6 negative manual P 122 25.0527 108 -0.16 47
IV.NARO.HHZ. 2024-01-28T22:34:06.09 0.6 positive manual P 17 22.6551 110 -0.08 48
IV.SSFR.HHZ. 2024-01-28T22:34:06.16 0.6 positive manual P 84 22.9548 110 -0.08 48
IV.BADI.EHZ. 2024-01-28T22:34:06.25 0.3 undecidable manual P 297 22.9548 110 0.02 73
IV.ATFO.HHZ. 2024-01-28T22:34:05.03 0.6 undecidable manual S 133 7.9809 136 -0.28 48
IV.FRON.EHZ. 2024-01-28T22:34:05.94 0.6 positive manual P 58 21.5673 111 -0.02 49
IV.MURB.HHZ. 2024-01-28T22:34:05.16 0.6 negative manual P 173 17.0718 116 0.03 49
IV.PIEI.HHZ. 2024-01-28T22:34:04.75 0.6 positive manual P 12 13.6752 121 0.21 48
IV.ATFO.HHZ. 2024-01-28T22:34:03.59 0.1 positive manual P 133 7.9809 136 -0.04 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.ATFO.HHN. ML:1.5 0.000488 0.38 AML other m 2024-01-28T22:34:05.57
IV.ATFO.HHE. ML:1.4 0.00044199999999999996 0.58 AML other m 2024-01-28T22:34:05.50
IV.PIEI.HHE. ML:1.3 0.00020250000000000002 0.12 AML other m 2024-01-28T22:34:07.87
IV.PIEI.HHN. ML:1.0 0.00011885 0.32 AML other m 2024-01-28T22:34:08.25
IV.MURB.HHN. ML:1.4 0.00022899999999999998 1.32 AML other m 2024-01-28T22:34:08.77
IV.MURB.HHE. ML:1.5 0.00030649999999999997 0.18 AML other m 2024-01-28T22:34:09.15
IV.FRON.EHE. ML:0.8 0.000047350000000000006 0.58 AML other m 2024-01-28T22:34:09.93
IV.BADI.EHN. ML:1.3 0.000143 0.2 AML other m 2024-01-28T22:34:10.20
IV.BADI.EHE. ML:1.4 0.00017449999999999999 0.16 AML other m 2024-01-28T22:34:10.18
IV.FRON.EHN. ML:1.0 0.00007195 1.14 AML other m 2024-01-28T22:34:10.20
IV.NARO.HHE. ML:0.8 0.00004675 0.88 AML other m 2024-01-28T22:34:10.67
IV.ATCC.EHN. ML:1.1 0.00006505 1.04 AML other m 2024-01-28T22:34:11.38
IV.ATCC.EHE. ML:1.2 0.0000743 1.22 AML other m 2024-01-28T22:34:12.10
IV.NARO.HHN. ML:0.7 0.0000327 0.64 AML other m 2024-01-28T22:34:12.54
IV.ASSB.HHN. ML:1.0 0.000033600000000000004 0.48 AML other m 2024-01-28T22:34:16.28
IV.ASSB.HHE. ML:0.9 0.0000241 0.42 AML other m 2024-01-28T22:34:16.80
IV.MGAB.HHN. ML:1.3 0.00003585 0.26 AML other m 2024-01-28T22:34:25.60
IV.MGAB.HHE. ML:1.2 0.00003035 0.42 AML other m 2024-01-28T22:34:25.64
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