Earthquake with magnitude of ML 0.4 on date 22-04-2023 and time 04:54:00 (Italy) in region 2 km NE Scheggia e Pascelupo (PG)

A magnitude ML 0.4 earthquake occured in region: 2 km NE Scheggia e Pascelupo (PG), on

  • 22-04-2023 02:54:00 (UTC)
  • 22-04-2023 04:54:00 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.4220, 12.6830 at 14 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
Scheggia e Pascelupo PG 2 1393 1393
Costacciaro PG 7 1216 2609
Cantiano PU 7 2245 4854
Serra Sant'Abbondio PU 11 1027 5881
Sigillo PG 11 2404 8285
Gubbio PG 11 32216 40501
Frontone PU 11 1300 41801
Cagli PU 14 8731 50532
Sassoferrato AN 14 7285 57817
Fossato di Vico PG 16 2840 60657
Pietralunga PG 20 2111 62768

Municipalities with at least 50000 inhabitants

An earthquake occurred to
42 Km NE of Perugia (166134 inhabitants)
52 Km N of Foligno (57155 inhabitants)
54 Km SW of Fano (60888 inhabitants)
58 Km SW of Pesaro (94582 inhabitants)
65 Km E of Arezzo (99543 inhabitants)
71 Km W of Ancona (100861 inhabitants)
72 Km S of Rimini (147750 inhabitants)
87 Km SE of Cesena (96758 inhabitants)
96 Km N of Terni (111501 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 0.4 2023-04-22
02:54:00
43.4222 12.6828 15 2024-03-01
17:18:05
Bollettino Sismico Italiano INGV 116804441
Reviewed
Rev100
ML 0.2 2023-04-22
02:54:00
43.4247 12.6887 15 2023-04-22
03:06:42
Sala Sismica INGV-Roma 116593271
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-04-22 02:54:00 ± 0.12
Latitude 43.4222 ± 0.0036
Longitude 12.6828 ± 0.0087
Depth (km) 15 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 116804441

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 567
Semi-minor axis of confidence ellipse (meter) 455
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 233
Circular confidence region, given by single value of horizontal uncertainty (meter) 570.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 122
Number of associated phases, regardless of their use for origin computation 14
Number of defining phases 14
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.16
Epicentral distance of station closest to the epicenter (degree) 0.07374
Epicentral distance of station farthest from the epicenter (degree) 0.25091
Number of stations at which the event was observed 7
Number of stations from which data was used for origin computation 7
Magnitudes information

ML:0.4

Field Value
Value 0.4
Uncertainty 0.1
Num. used stations 6
Type of magnitude ML
Reference to an origin 116804441
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2023-04-27 14:41:19

ML:0.2

Field Value
Value 0.2
Uncertainty 0.3
Num. used stations 12
Type of magnitude ML
Reference to an origin 116593271
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-04-22 03:06:42
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.SNTG.HHZ. 2023-04-22T02:54:10.98 0.3 undecidable manual S 132 27.8499 103 0.18 72
IV.NARO.HHZ. 2023-04-22T02:54:09.38 0.3 undecidable manual S 339 22.4553 108 -0.04 74
IV.ATPI.HNZ. 2023-04-22T02:54:09.79 0.3 undecidable manual S 278 22.8549 108 0.29 69
IV.FOSV.EHZ. 2023-04-22T02:54:07.64 0.3 undecidable manual S 156 15.4734 121 -0.06 74
IV.PIEI.HHZ. 2023-04-22T02:54:07.77 0.3 undecidable manual S 317 17.3715 117 -0.37 70
IV.SNTG.HHZ. 2023-04-22T02:54:06.44 0.3 undecidable manual P 132 27.8499 103 -0.13 71
IV.SSFR.HHZ. 2023-04-22T02:54:06.22 0.3 undecidable manual S 79 8.1807 144 -0.03 75
IV.FRON.EHZ. 2023-04-22T02:54:06.68 0.3 undecidable manual S 18 11.1777 133 -0.1 74
IV.PIEI.HHZ. 2023-04-22T02:54:05.04 0.3 undecidable manual P 317 17.3715 117 0 75
IV.NARO.HHZ. 2023-04-22T02:54:05.76 0.1 undecidable manual P 339 22.4553 108 -0.01 99
IV.ATPI.HNZ. 2023-04-22T02:54:05.93 0.3 undecidable manual P 278 22.8549 108 0.11 72
IV.FOSV.EHZ. 2023-04-22T02:54:04.59 0.6 undecidable manual P 156 15.4734 121 -0.2 48
IV.SSFR.HHZ. 2023-04-22T02:54:04.09 0.1 undecidable manual P 79 8.1807 144 0.14 100
IV.FRON.EHZ. 2023-04-22T02:54:04.35 0.1 undecidable manual P 18 11.1777 133 0.09 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.SSFR.HHE. ML:0.5 0.00003725 0.78 AML other m 2023-04-22T02:54:06.83
IV.SSFR.HHN. ML:0.6 0.000044649999999999994 0.22 AML other m 2023-04-22T02:54:06.71
IV.PIEI.HHN. ML:0.3 0.000014679999999999998 0.14 AML other m 2023-04-22T02:54:08.13
IV.PIEI.HHE. ML:0.4 0.00001775 0.48 AML other m 2023-04-22T02:54:08.74
IV.NARO.HHE. ML:0.4 0.00001265 0.42 AML other m 2023-04-22T02:54:10.55
IV.NARO.HHN. ML:0.2 0.00000989 0.44 AML other m 2023-04-22T02:54:10.54
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