Earthquake with magnitude of ML 1.3 on date 03-04-2023 and time 06:31:53 (Italy) in region 4 km S Preci (PG)

A magnitude ML 1.3 earthquake occured in region: 4 km S Preci (PG), on

  • 03-04-2023 04:31:53 (UTC)
  • 03-04-2023 06:31:53 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.8460, 13.0380 at 10 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
Preci PG 4 724 724
Norcia PG 7 4957 5681
Sellano PG 10 1079 6760
Cerreto di Spoleto PG 10 1075 7835
Visso MC 10 1107 8942
Castelsantangelo sul Nera MC 11 281 9223
Ussita MC 14 444 9667
Cascia PG 14 3217 12884
Vallo di Nera PG 17 364 13248
Monte Cavallo MC 17 145 13393
Poggiodomo PG 17 117 13510

Municipalities with at least 50000 inhabitants

An earthquake occurred to
30 Km E of Foligno (57155 inhabitants)
45 Km NE of Terni (111501 inhabitants)
58 Km W of Teramo (54892 inhabitants)
60 Km E of Perugia (166134 inhabitants)
62 Km NW of L'Aquila (69753 inhabitants)
90 Km NE of Viterbo (67173 inhabitants)
94 Km SW of Ancona (100861 inhabitants)
97 Km N of Guidonia Montecelio (88673 inhabitants)
98 Km W of Montesilvano (53738 inhabitants)
100 Km N of Tivoli (56533 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 2023-04-03
04:31:53
42.8462 13.038 10 2024-03-01
17:18:08
Bollettino Sismico Italiano INGV 117396711
Reviewed
Rev100
ML 1.3 2023-04-03
04:31:53
42.8447 13.0392 11 2023-04-03
04:40:39
Sala Sismica INGV-Roma 115994861
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-04-03 04:31:53 ± 0.05
Latitude 42.8462 ± 0.0027
Longitude 13.0380 ± 0.0037
Depth (km) 10 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 117396711

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 297
Semi-minor axis of confidence ellipse (meter) 276
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 135
Circular confidence region, given by single value of horizontal uncertainty (meter) 300.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 91
Number of associated phases, regardless of their use for origin computation 34
Number of defining phases 19
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) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.33994
Number of stations at which the event was observed 24
Number of stations from which data was used for origin computation 11
Magnitudes information

ML:1.3

Field Value
Value 1.3
Uncertainty 0.2
Num. used stations 4
Type of magnitude ML
Reference to an origin 117396711
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2023-05-16 05:58:46

ML:1.3

Field Value
Value 1.3
Uncertainty 0.2
Num. used stations 4
Type of magnitude ML
Reference to an origin 115994861
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-04-03 04:40:39
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
NI.POLC.HHZ. 2023-04-03T04:33:16.72 3.0 undecidable manual Sn -2.43 0
IV.GRIS.EHZ. 2023-04-03T04:33:12.15 3.0 undecidable manual Sn -1.33 0
GU.CARD.HHZ. 2023-04-03T04:33:00.25 3.0 undecidable manual Sg 10.15 0
IV.CET2.HHZ. 2023-04-03T04:32:51.75 3.0 undecidable manual Pg 15.98 0
IV.BDI.HHZ. 2023-04-03T04:32:49.67 3.0 undecidable manual Sn 0.38 0
IV.CAFE.HHZ. 2023-04-03T04:32:46.54 3.0 undecidable manual Sn 2.33 0
IV.SALB.HHZ. 2023-04-03T04:32:46.12 3.0 undecidable manual Pg 11.17 0
IV.GRIS.EHZ. 2023-04-03T04:32:45.79 3.0 undecidable manual Pg 12.89 0
IV.PAOL.HHZ. 2023-04-03T04:32:33.64 3.0 undecidable manual Sn -2.15 0
IV.CDRU.HHZ. 2023-04-03T04:32:24.90 3.0 undecidable manual Pn 3.17 0
IV.MOCO.HHZ. 2023-04-03T04:32:18.24 3.0 undecidable manual Pg 4.92 0
IV.POFI.HHZ. 2023-04-03T04:32:17.48 3.0 undecidable manual Sg 0.82 0
IV.SMA1.EHZ. 2023-04-03T04:32:10.19 3.0 undecidable manual Sg 0.17 0
IV.CSP1.EHZ. 2023-04-03T04:32:04.41 0.6 undecidable manual S 26 30.4473 50 0 48
IV.MMO1.EHZ. 2023-04-03T04:32:02.46 0.6 undecidable manual S 76 24.2535 113 -0.26 46
IV.VAGA.HNZ. 2023-04-03T04:32:02.98 3.0 undecidable manual Pn -3.28 0
IV.GAVE.EHN. 2023-04-03T04:32:01.56 0.6 undecidable manual S 214 20.7681 116 -0.05 49
7F.SIB1.EHE. 2023-04-03T04:32:01.23 0.1 undecidable manual S 74 19.5693 117 -0.04 98
IV.CESI.HHZ. 2023-04-03T04:32:01.55 0.6 undecidable manual S 328 20.6682 116 -0.05 49
IV.FDMO.HHZ. 2023-04-03T04:32:01.69 0.6 undecidable manual S 11 21.4674 115 -0.16 48
7F.SIB2.EHE. 2023-04-03T04:32:01.79 0.6 undecidable manual S 77 22.1556 114 -0.28 46
IV.ASSB.HHZ. 2023-04-03T04:32:00.86 0.1 undecidable manual P 305 37.7289 50 -0.12 93
IV.GUMA.HHZ. 2023-04-03T04:32:00.91 0.3 undecidable manual P 45 34.0437 50 0.5 65
IV.POFI.HHZ. 2023-04-03T04:31:59.96 3.0 undecidable manual P -1.02 0
IV.LNSS.HNZ. 2023-04-03T04:31:59.16 0.1 undecidable manual P 180 26.9508 50 -0.16 94
IV.CSP1.EHZ. 2023-04-03T04:31:59.81 0.1 undecidable manual P 26 30.4473 50 -0.04 96
IV.CESI.HHZ. 2023-04-03T04:31:58.20 0.1 undecidable manual P 328 20.6682 116 -0.02 98
IV.FDMO.HHZ. 2023-04-03T04:31:58.45 0.1 undecidable manual P 11 21.4674 115 0.08 97
7F.SIB2.EHE. 2023-04-03T04:31:58.46 0.1 undecidable manual P 77 22.1556 114 -0.04 97
IV.MMO1.EHZ. 2023-04-03T04:31:58.74 0.1 undecidable manual P 76 24.2535 113 -0.13 95
IV.GAVE.EHN. 2023-04-03T04:31:58.27 0.1 undecidable manual P 214 20.7681 116 0.04 98
7F.SIB1.EHE. 2023-04-03T04:31:58.27 0.1 undecidable manual P 74 19.5693 117 0.23 94
IV.NRCA.HHZ. 2023-04-03T04:31:57.80 0.1 undecidable manual S 103 6.3936 148 0.05 100
IV.NRCA.HHZ. 2023-04-03T04:31:56.21 0.1 undecidable manual P 103 6.3936 148 0.2 97
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.NRCA.HHN. ML:1.1 0.00017999999999999998 0.12 AML other m 2023-04-03T04:31:57.86
IV.NRCA.HHE. ML:1.1 0.00020250000000000002 0.08 AML other m 2023-04-03T04:31:58.11
IV.CSP1.EHE. ML:1.4 0.0001235 0.42 AML other m 2023-04-03T04:32:01.00
IV.CSP1.EHN. ML:1.4 0.0001341 0.42 AML other m 2023-04-03T04:32:33.72
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