Earthquake with magnitude of ML 0.5 on date 12-05-2023 and time 08:45:37 (Italy) in region 8 km NW Pietralunga (PG)

A magnitude ML 0.5 earthquake occured in region: 8 km NW Pietralunga (PG), on

  • 12-05-2023 06:45:37 (UTC)
  • 12-05-2023 08:45:37 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.4820, 12.3600 at 7 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 8 2111 2111
Apecchio PU 10 1882 3993
CittĂ  di Castello PG 10 39913 43906
Montone PG 13 1680 45586
San Giustino PG 17 11297 56883
Monte Santa Maria Tiberina PG 17 1183 58066
Piobbico PU 17 2029 60095
Mercatello sul Metauro PU 19 1378 61473
Umbertide PG 20 16681 78154
Citerna PG 20 3531 81685

Municipalities with at least 50000 inhabitants

An earthquake occurred to
39 Km E of Arezzo (99543 inhabitants)
42 Km N of Perugia (166134 inhabitants)
65 Km NW of Foligno (57155 inhabitants)
65 Km SW of Pesaro (94582 inhabitants)
67 Km S of Rimini (147750 inhabitants)
67 Km SW of Fano (60888 inhabitants)
74 Km S of Cesena (96758 inhabitants)
85 Km E of Siena (53903 inhabitants)
86 Km SE of Forlì (117913 inhabitants)
94 Km E of Firenze (382808 inhabitants)
95 Km W of Ancona (100861 inhabitants)
97 Km SE of Faenza (58541 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 0.5 2023-05-12
06:45:37
43.4818 12.3603 7 2023-05-12
06:52:49
Sala Sismica INGV-Roma 117274041
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-05-12 06:45:37 ± 0.16
Latitude 43.4818 ± 0.0045
Longitude 12.3603 ± 0.0050
Depth (km) 7 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 117274041

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 409
Semi-minor axis of confidence ellipse (meter) 236
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 13
Circular confidence region, given by single value of horizontal uncertainty (meter) 410.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 139
Number of associated phases, regardless of their use for origin computation 14
Number of defining phases 8
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.12
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.13760
Number of stations at which the event was observed 9
Number of stations from which data was used for origin computation 4
Magnitude information

ML:0.5

Field Value
Value 0.5
Uncertainty 0.4
Num. used stations 12
Type of magnitude ML
Reference to an origin 117274041
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-05-12 06:52:49
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.CRMI.HHZ. 2023-05-12T06:46:16.25 3.0 undecidable manual S 2.54 0
IV.SFI.EHZ. 2023-05-12T06:45:53.76 3.0 undecidable manual S -0.16 0
IV.GUMA.HHZ. 2023-05-12T06:45:49.76 3.0 undecidable manual P 0.14 0
IV.PIEI.HHZ. 2023-05-12T06:45:43.35 0.6 undecidable manual S 67 15.2736 114 0.23 49
IV.SFI.EHZ. 2023-05-12T06:45:43.68 3.0 undecidable manual P -0.28 0
IV.ATVO.HHZ. 2023-05-12T06:45:42.13 0.6 undecidable manual S 161 11.6772 120 0.12 50
IV.BADI.EHZ. 2023-05-12T06:45:41.51 0.6 undecidable manual S 288 9.7791 124 0.05 51
IV.ATVO.HHZ. 2023-05-12T06:45:40.06 0.6 positive manual P 161 11.6772 120 0.02 51
IV.ATPI.EHZ. 2023-05-12T06:45:40.07 0.6 undecidable manual S 136 4.7952 144 -0.13 51
IV.PIEI.HHZ. 2023-05-12T06:45:40.56 0.1 undecidable manual P 67 15.2736 114 -0.12 100
IV.BADI.EHZ. 2023-05-12T06:45:39.73 0.6 undecidable manual P 288 9.7791 124 0.01 52
IV.ATPI.EHZ. 2023-05-12T06:45:38.89 1.0 undecidable manual P 136 4.7952 144 -0.1 26
IV.ARVD.HHZ. 2023-05-12T06:45:37.78 3.0 negative manual P -1.34 0
IV.FRON.EHZ. 2023-05-12T06:45:36.15 3.0 undecidable manual P -0.82 0
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.ATPI.EHE. ML:0.0 0.00004660143 0.16 AML other m 2023-05-12T06:45:40.18
IV.ATPI.EHN. ML:0.0 0.000036218600000000006 0.0992 AML other m 2023-05-12T06:45:40.30
IV.FRON.EHE. ML:0.6 0.000017792630000000002 0.0608 AML other m 2023-05-12T06:45:40.25
IV.FRON.EHN. ML:0.9 0.000037575545 0.08 AML other m 2023-05-12T06:45:40.42
IV.ATPI.HNE. ML:0.0 0.00009743726 0.7904 AML other m 2023-05-12T06:45:46.00
IV.ATPI.HNN. ML:0.0 0.00012171667999999999 0.7008 AML other m 2023-05-12T06:45:42.19
IV.BADI.EHE. ML:0.4 0.00003277803 0.1408 AML other m 2023-05-12T06:45:41.77
IV.BADI.EHN. ML:0.3 0.000028719639999999998 0.2208 AML other m 2023-05-12T06:45:42.32
IV.ATVO.HHE. ML:0.3 0.000027213271 0.1408 AML other m 2023-05-12T06:45:42.47
IV.ATVO.HHN. ML:0.3 0.000023527005 0.16 AML other m 2023-05-12T06:45:42.23
IV.ATVO.HNE. ML:1.0 0.0001287374 0.7296 AML other m 2023-05-12T06:45:47.20
IV.ATVO.HNN. ML:1.0 0.000134779515 0.5408 AML other m 2023-05-12T06:45:47.66
IV.PIEI.HHE. ML:0.3 0.000019368365 0.1824 AML other m 2023-05-12T06:45:44.04
IV.PIEI.HHN. ML:0.0 0.000009453466 0.16 AML other m 2023-05-12T06:45:43.73
IV.PIEI.HNE. ML:1.1 0.00012601612000000002 0.6304 AML other m 2023-05-12T06:45:40.15
IV.PIEI.HNN. ML:0.9 0.000091767005 0.5504 AML other m 2023-05-12T06:45:48.16
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
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Type Description Link
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