Earthquake with magnitude of ML -0.1 on date 27-05-2023 and time 19:14:35 (UTC) in region 5 km SE Pietralunga (PG)

A magnitude ML -0.1 earthquake occured in region: 5 km SE Pietralunga (PG), on

  • 27-05-2023 19:14:35 (UTC)
  • 27-05-2023 21:14:35 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.4170, 12.4810 at 6 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 5 2111 2111
Gubbio PG 11 32216 34327
Cantiano PU 14 2245 36572
Montone PG 14 1680 38252
Scheggia e Pascelupo PG 15 1393 39645
Apecchio PU 17 1882 41527
Umbertide PG 17 16681 58208
Piobbico PU 19 2029 60237
Cagli PU 20 8731 68968
Costacciaro PG 20 1216 70184

Municipalities with at least 50000 inhabitants

An earthquake occurred to
35 Km N of Perugia (166134 inhabitants)
49 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)
82 Km S of Cesena (96758 inhabitants)
87 Km W of Ancona (100861 inhabitants)
93 Km E of Siena (53903 inhabitants)
96 Km N of Terni (111501 inhabitants)
96 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 -0.1 2023-05-27
19:14:35
43.4173 12.4808 7 2023-05-27
20:23:25
Sala Sismica INGV-Roma 117792191
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-05-27 19:14:35 ± 0.05
Latitude 43.4173 ± 0.0009
Longitude 12.4808 ± 0.0037
Depth (km) 7 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 117792191

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 242
Semi-minor axis of confidence ellipse (meter) 150
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 291
Circular confidence region, given by single value of horizontal uncertainty (meter) 240.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 219
Number of associated phases, regardless of their use for origin computation 6
Number of defining phases 6
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.02
Epicentral distance of station closest to the epicenter (degree) 0.06475
Epicentral distance of station farthest from the epicenter (degree) 0.12501
Number of stations at which the event was observed 3
Number of stations from which data was used for origin computation 3
Magnitude information

ML:-0.1

Field Value
Value -0.1
Uncertainty 0.3
Num. used stations 2
Type of magnitude ML
Reference to an origin 117792191
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-05-27 20:23:25
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.PIEI.HHZ. 2023-05-27T19:14:40.65 0.6 undecidable manual S 18 13.875 115 -0.03 49
IV.PIEI.HHZ. 2023-05-27T19:14:38.45 0.1 undecidable manual P 18 13.875 115 0.02 99
IV.ATVO.HHZ. 2023-05-27T19:14:38.74 0.6 undecidable manual S 237 7.1928 132 0.02 50
IV.ATPI.EHZ. 2023-05-27T19:14:38.77 0.6 undecidable manual S 300 7.2927 131 0 50
IV.ATVO.HHZ. 2023-05-27T19:14:37.29 0.1 positive manual P 237 7.1928 132 -0.02 100
IV.ATPI.EHZ. 2023-05-27T19:14:37.33 0.6 positive manual P 300 7.2927 131 -0.01 50
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.ATPI.EHE. ML:0.0 0.000020976130000000003 1.4592 AML other m 2023-05-27T19:14:39.94
IV.ATPI.EHN. ML:0.0 0.000009234606499999999 0.2176 AML other m 2023-05-27T19:14:39.49
IV.PIEI.HHE. ML:0.1 0.000013494084999999999 0.1024 AML other m 2023-05-27T19:14:41.28
IV.PIEI.HHN. ML:-0.4 0.0000073127430000000004 0.6784 AML other m 2023-05-27T19:14:41.01
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