Earthquake with magnitude of ML 0.6 on date 29-03-2023 and time 00:51:38 (Italy) in region 7 km W Apecchio (PU)

A magnitude ML 0.6 earthquake occured in region: 7 km W Apecchio (PU), on

  • 28-03-2023 22:51:38 (UTC)
  • 29-03-2023 00:51:38 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.5300, 12.3480 at 9 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
Apecchio PU 7 1882 1882
CittĂ  di Castello PG 12 39913 41795
Pietralunga PG 12 2111 43906
Mercatello sul Metauro PU 13 1378 45284
San Giustino PG 14 11297 56581
Piobbico PU 15 2029 58610
Borgo Pace PU 15 606 59216
Sant'Angelo in Vado PU 16 4133 63349
Sansepolcro AR 17 15884 79233
Monte Santa Maria Tiberina PG 18 1183 80416
Montone PG 18 1680 82096
Citerna PG 19 3531 85627
Monterchi AR 20 1757 87384

Municipalities with at least 50000 inhabitants

An earthquake occurred to
38 Km E of Arezzo (99543 inhabitants)
47 Km N of Perugia (166134 inhabitants)
62 Km S of Rimini (147750 inhabitants)
62 Km SW of Pesaro (94582 inhabitants)
64 Km SW of Fano (60888 inhabitants)
68 Km S of Cesena (96758 inhabitants)
70 Km NW of Foligno (57155 inhabitants)
81 Km SE of Forlì (117913 inhabitants)
85 Km E of Siena (53903 inhabitants)
92 Km E of Firenze (382808 inhabitants)
92 Km SE of Faenza (58541 inhabitants)
95 Km W of Ancona (100861 inhabitants)
97 Km E of Scandicci (50609 inhabitants)
100 Km S of Ravenna (159116 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 0.6 2023-03-28
22:51:38
43.5298 12.3478 9 2023-03-28
22:57:11
Sala Sismica INGV-Roma 115832921
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-03-28 22:51:38 ± 0.15
Latitude 43.5298 ± 0.0036
Longitude 12.3478 ± 0.0037
Depth (km) 9 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 115832921

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 427
Semi-minor axis of confidence ellipse (meter) 198
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 152
Circular confidence region, given by single value of horizontal uncertainty (meter) 430.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 166
Number of associated phases, regardless of their use for origin computation 11
Number of defining phases 10
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) 0.18706
Number of stations at which the event was observed 6
Number of stations from which data was used for origin computation 5
Magnitude information

ML:0.6

Field Value
Value 0.6
Uncertainty 0.1
Num. used stations 2
Type of magnitude ML
Reference to an origin 115832921
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-03-28 22:57:11
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MMUR.HNZ. 2023-03-28T22:51:49.78 3.0 undecidable manual P 0.07 0
IV.NARO.HHZ. 2023-03-28T22:51:46.61 0.1 undecidable manual S 64 20.7681 114 -0.22 93
IV.PIEI.HHZ. 2023-03-28T22:51:45.20 0.1 undecidable manual S 88 15.0738 121 0.13 96
IV.ATVO.HHZ. 2023-03-28T22:51:45.61 0.1 undecidable manual S 164 17.0718 118 -0.07 97
IV.BADI.EHZ. 2023-03-28T22:51:43.23 0.1 undecidable manual S 255 8.5803 137 -0.09 98
IV.NARO.HHZ. 2023-03-28T22:51:43.40 0.1 undecidable manual P 64 20.7681 114 -0.11 96
IV.PIEI.HHZ. 2023-03-28T22:51:42.63 0.1 undecidable manual P 88 15.0738 121 0.14 96
IV.APEC.HHZ. 2023-03-28T22:51:42.87 0.1 undecidable manual S 61 6.5934 144 0 100
IV.ATVO.HHZ. 2023-03-28T22:51:42.81 0.1 undecidable manual P 164 17.0718 118 -0.03 98
IV.APEC.HHZ. 2023-03-28T22:51:41.35 0.1 undecidable manual P 61 6.5934 144 0.13 97
IV.BADI.EHZ. 2023-03-28T22:51:41.57 0.1 undecidable manual P 255 8.5803 137 0.09 98
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.BADI.EHN. ML:0.6 0.0000609 0.12 AML other m 2023-03-28T22:51:43.31
IV.BADI.EHE. ML:0.5 0.00004475 0.18 AML other m 2023-03-28T22:51:43.86
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