Earthquake with magnitude of ML 1.3 on date 22-03-2023 and time 10:51:59 (UTC) in region 3 km SE Pietralunga (PG)

A magnitude ML 1.3 earthquake occured in region: 3 km SE Pietralunga (PG), on

  • 22-03-2023 10:51:59 (UTC)
  • 22-03-2023 11:51:59 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 43.4260, 12.4590 at 6 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 3 2111 2111
Montone PG 13 1680 3791
Gubbio PG 13 32216 36007
Cantiano PU 15 2245 38252
Apecchio PU 15 1882 40134
Umbertide PG 17 16681 56815
Scheggia e Pascelupo PG 17 1393 58208
CittĂ  di Castello PG 18 39913 98121
Piobbico PU 19 2029 100150

Municipalities with at least 50000 inhabitants

An earthquake occurred to
36 Km N of Perugia (166134 inhabitants)
47 Km E of Arezzo (99543 inhabitants)
56 Km NW of Foligno (57155 inhabitants)
65 Km SW of Fano (60888 inhabitants)
65 Km SW of Pesaro (94582 inhabitants)
71 Km S of Rimini (147750 inhabitants)
81 Km S of Cesena (96758 inhabitants)
88 Km W of Ancona (100861 inhabitants)
92 Km E of Siena (53903 inhabitants)
95 Km SE of Forlì (117913 inhabitants)
97 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 1.3 2023-03-22
10:51:59
43.4263 12.4593 6 2024-03-01
17:18:17
Bollettino Sismico Italiano INGV 121355791
Reviewed
Rev100
ML 0.5 2023-03-22
10:52:00
43.4248 12.462 5 2023-03-22
11:05:41
Sala Sismica INGV-Roma 115624811
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-03-22 10:51:59 ± 0.11
Latitude 43.4263 ± 0.0027
Longitude 12.4593 ± 0.0037
Depth (km) 6 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 121355791

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 348
Semi-minor axis of confidence ellipse (meter) 96
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 123
Circular confidence region, given by single value of horizontal uncertainty (meter) 350.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 63
Number of associated phases, regardless of their use for origin computation 26
Number of defining phases 26
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.2
Epicentral distance of station closest to the epicenter (degree) 0.03777
Epicentral distance of station farthest from the epicenter (degree) 0.17717
Number of stations at which the event was observed 14
Number of stations from which data was used for origin computation 14
Magnitudes information

ML:0.5

Field Value
Value 0.5
Uncertainty 0.3
Num. used stations 6
Type of magnitude ML
Reference to an origin 115624811
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-03-22 11:05:41

ML:1.3

Field Value
Value 1.3
Uncertainty 1.2
Num. used stations 2
Type of magnitude ML
Reference to an origin 121355791
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2023-09-22 11:42:05
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MURB.HNZ. 2023-03-22T10:52:07.10 1.0 undecidable manual S 164 18.87 107 0.44 22
IV.BADI.EHZ. 2023-03-22T10:52:07.10 1.0 undecidable manual S 298 19.6692 107 0.2 23
IV.ATSC.EHE. 2023-03-22T10:52:06.55 0.3 undecidable manual S 91 18.2706 108 0.08 72
IV.PIEI.HHZ. 2023-03-22T10:52:05.20 0.1 undecidable manual S 27 13.5753 113 0.27 93
IV.ATLO.HNZ. 2023-03-22T10:52:04.90 0.3 undecidable manual S 199 13.0758 114 0.14 72
IV.ATBU.EHZ. 2023-03-22T10:52:03.80 0.1 undecidable manual S 53 8.9799 123 0.27 94
IV.BADI.EHZ. 2023-03-22T10:52:03.36 0.3 undecidable manual P 298 19.6692 107 -0.54 65
IV.TB02.DHZ.01 2023-03-22T10:52:03.40 0.3 undecidable manual S 213 7.3815 128 0.32 70
IV.ATSC.EHE. 2023-03-22T10:52:03.53 0.3 undecidable manual P 91 18.2706 108 -0.12 72
IV.MURB.HNZ. 2023-03-22T10:52:03.83 0.6 undecidable manual P 164 18.87 107 0.07 48
IV.TB01.DHZ.01 2023-03-22T10:52:02.60 0.3 undecidable manual S 201 5.2947 138 0.05 74
IV.ATBU.EHZ. 2023-03-22T10:52:02.01 0.1 undecidable manual P 53 8.9799 123 0.06 98
IV.ATPC.HHZ. 2023-03-22T10:52:02.60 0.3 undecidable manual S 358 5.994 134 -0.12 73
IV.ATPI.EHZ. 2023-03-22T10:52:02.50 0.3 undecidable manual S 300 5.2947 138 -0.05 74
IV.PIEI.HHZ. 2023-03-22T10:52:02.75 0.1 undecidable manual P 27 13.5753 113 -0.01 99
IV.TB03.DHZ.01 2023-03-22T10:52:02.50 0.3 undecidable manual S 235 4.7952 141 0.06 74
IV.ATLO.HNZ. 2023-03-22T10:52:02.76 0.1 undecidable manual P 199 13.0758 114 0.1 97
IV.ATVO.HNZ. 2023-03-22T10:52:01.62 0.1 undecidable manual P 221 6.4935 132 0.07 99
IV.TB02.DHZ.01 2023-03-22T10:52:01.79 0.1 undecidable manual P 213 7.3815 128 0.1 98
IV.TSM2.DHZ.01 2023-03-22T10:52:01.90 0.1 undecidable manual S 144 4.1958 145 -0.4 92
IV.ATPC.HHZ. 2023-03-22T10:52:01.44 0.1 undecidable manual P 358 5.994 134 -0.04 99
IV.TSM2.DHZ.01 2023-03-22T10:52:01.04 0.1 undecidable manual P 144 4.1958 145 -0.2 96
IV.ATPI.EHZ. 2023-03-22T10:52:01.36 0.1 undecidable manual P 300 5.2947 138 -0.03 100
IV.TB01.DHZ.01 2023-03-22T10:52:01.40 0.3 undecidable manual P 201 5.2947 138 0.01 75
IV.ATFO.HHZ. 2023-03-22T10:52:01.89 0.3 undecidable manual P 126 11.1777 118 -0.44 68
IV.TB03.DHZ.01 2023-03-22T10:52:01.31 0.1 undecidable manual P 235 4.7952 141 -0.01 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.ATPI.EHE. ML:0.0 0.000044893444999999996 0.16 AML other m 2023-03-22T10:52:02.84
IV.RCAV.EHE. ML:2.2 0.000054800000000000004 0.8 AML other m 2023-03-22T10:52:52.93
IV.ATFO.HHE. ML:0.4 0.000037797006 0.256 AML other m 2023-03-22T10:52:04.37
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