Earthquake with magnitude of ML 0.0 on date 04-01-2023 and time 11:48:49 (Italy) in region 5 km W Pietralunga (PG)

A magnitude ML 0.0 earthquake occured in region: 5 km W Pietralunga (PG), on

  • 04-01-2023 10:48:49 (UTC)
  • 04-01-2023 11:48:49 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 43.4480, 12.3700 at 7 km depth.

The earthquake was located by: Bollettino Sismico Italiano INGV.

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 6 2111 2111
Montone PG 10 1680 3791
CittĂ  di Castello PG 11 39913 43704
Apecchio PU 13 1882 45586
Umbertide PG 16 16681 62267
Monte Santa Maria Tiberina PG 17 1183 63450
San Giustino PG 19 11297 74747
Piobbico PU 20 2029 76776
Gubbio PG 20 32216 108992

Municipalities with at least 50000 inhabitants

An earthquake occurred to
38 Km N of Perugia (166134 inhabitants)
39 Km E of Arezzo (99543 inhabitants)
61 Km NW of Foligno (57155 inhabitants)
68 Km SW of Pesaro (94582 inhabitants)
68 Km SW of Fano (60888 inhabitants)
70 Km S of Rimini (147750 inhabitants)
77 Km S of Cesena (96758 inhabitants)
85 Km E of Siena (53903 inhabitants)
90 Km SE of Forlì (117913 inhabitants)
95 Km W of Ancona (100861 inhabitants)
97 Km E of Firenze (382808 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
Bulletin
Rev1000
ML 0.0 2023-01-04
10:48:49
43.4478 12.3702 7 2024-03-01
17:18:05
Bollettino Sismico Italiano INGV 116832351
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-01-04 10:48:49 ± 0.1
Latitude 43.4478 ± 0.0027
Longitude 12.3702 ± 0.0025
Depth (km) 7 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 116832351

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 318
Semi-minor axis of confidence ellipse (meter) 87
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 16
Circular confidence region, given by single value of horizontal uncertainty (meter) 320.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 101
Number of associated phases, regardless of their use for origin computation 25
Number of defining phases 23
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.15
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.26710
Number of stations at which the event was observed 13
Number of stations from which data was used for origin computation 12
Magnitude information

ML:0.0

Field Value
Value 0.0
Uncertainty 0.5
Num. used stations 8
Type of magnitude ML
Reference to an origin 116832351
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2023-04-28 10:01:31
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.GUMA.HHZ. 2023-01-04T10:49:09.08 3.0 undecidable manual S 0 0
IV.GUMA.HHZ. 2023-01-04T10:49:00.87 3.0 positive manual P 1.91 0
IV.PARC.HHE. 2023-01-04T10:48:58.32 0.3 undecidable manual S 335 24.6531 106 0.33 68
IV.ATSC.EHZ. 2023-01-04T10:48:58.03 0.6 undecidable manual S 96 25.6521 105 -0.28 46
IV.NARO.HHZ. 2023-01-04T10:48:57.53 1.0 undecidable manual S 43 24.753 106 -0.5 22
IV.PIEI.HHZ. 2023-01-04T10:48:55.27 0.6 undecidable manual S 54 16.4724 113 -0.03 49
IV.BADI.EHE. 2023-01-04T10:48:54.06 0.3 undecidable manual S 304 12.2766 119 0.08 74
IV.FRON.EHZ. 2023-01-04T10:48:54.91 1.0 undecidable manual P 75 29.6481 103 -0.3 23
IV.ATBU.HNZ. 2023-01-04T10:48:54.99 1.0 undecidable manual S 78 14.6742 115 0.25 24
IV.ATSC.EHZ. 2023-01-04T10:48:54.64 0.1 undecidable manual P 96 25.6521 105 0.22 93
IV.ATMC.EHZ. 2023-01-04T10:48:54.39 0.3 undecidable manual S 270 14.2746 116 -0.22 71
IV.ATLO.EHZ. 2023-01-04T10:48:54.95 0.6 undecidable manual S 169 14.9739 115 0.1 49
IV.PARC.HHE. 2023-01-04T10:48:54.39 0.1 undecidable manual P 335 24.6531 106 0.15 95
IV.NARO.HHZ. 2023-01-04T10:48:53.91 1.0 undecidable manual P 43 24.753 106 -0.35 23
IV.ATVO.HHZ. 2023-01-04T10:48:52.94 0.6 undecidable manual S 158 7.881 131 0.2 48
IV.ATBU.HNZ. 2023-01-04T10:48:52.32 1.0 undecidable manual P 78 14.6742 115 -0.04 25
IV.ATPC.HNZ. 2023-01-04T10:48:52.89 0.6 undecidable manual S 62 7.881 131 0.14 49
IV.ATMC.EHZ. 2023-01-04T10:48:52.07 0.1 undecidable manual P 270 14.2746 116 -0.22 95
IV.PIEI.HHZ. 2023-01-04T10:48:52.55 0.3 undecidable manual P 54 16.4724 113 -0.13 72
IV.ATLO.EHZ. 2023-01-04T10:48:52.55 1.0 undecidable manual P 169 14.9739 115 0.13 24
IV.ATPI.EHZ. 2023-01-04T10:48:51.50 0.6 undecidable manual S 83 2.5974 159 -0.17 49
IV.ATPC.HNZ. 2023-01-04T10:48:51.19 0.1 undecidable manual P 62 7.881 131 -0.02 100
IV.BADI.EHE. 2023-01-04T10:48:51.90 0.1 undecidable manual P 304 12.2766 119 -0.03 99
IV.ATVO.HHZ. 2023-01-04T10:48:51.36 0.6 undecidable manual P 158 7.881 131 0.15 49
IV.ATPI.EHZ. 2023-01-04T10:48:50.52 1.0 undecidable manual P 83 2.5974 159 -0.07 25
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.ATVO.HHN. ML:-0.1 0.0000159653 0.1984 AML other m 2023-01-04T10:48:53.63
IV.ATVO.HHE. ML:0.1 0.000025596635 0.1344 AML other m 2023-01-04T10:48:53.47
IV.PIEI.HHE. ML:0.0 0.000009729681 3.3984 AML other m 2023-01-04T10:48:55.69
IV.PIEI.HHN. ML:-0.3 0.0000048364649999999994 0.1216 AML other m 2023-01-04T10:48:55.64
IV.NARO.HHN. ML:-0.1 0.000004227567900000001 0.0448 AML other m 2023-01-04T10:48:57.70
IV.NARO.HHE. ML:-0.1 0.0000043171535 0.096 AML other m 2023-01-04T10:48:57.79
IV.GUMA.HHE. ML:1.6 0.000050864895 10.8608 AML other m 2023-01-04T10:49:15.46
IV.GUMA.HHN. ML:1.6 0.00004794433 6.08 AML other m 2023-01-04T10:49:15.30
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