Earthquake with magnitude of ML 1.5 on date 22-09-2023 and time 07:27:32 (UTC) in region 4 km W Preci (PG)

A magnitude ML 1.5 earthquake occured in region: 4 km W Preci (PG), on

  • 22-09-2023 07:27:32 (UTC)
  • 22-09-2023 09:27:32 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.8700, 12.9860 at 11 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
Preci PG 5 724 724
Sellano PG 5 1079 1803
Cerreto di Spoleto PG 8 1075 2878
Visso MC 11 1107 3985
Norcia PG 12 4957 8942
Monte Cavallo MC 14 145 9087
Castelsantangelo sul Nera MC 14 281 9368
Vallo di Nera PG 15 364 9732
Ussita MC 15 444 10176
Cascia PG 17 3217 13393
Campello sul Clitunno PG 18 2442 15835
Poggiodomo PG 18 117 15952
Sant'Anatolia di Narco PG 19 564 16516
Trevi PG 19 8469 24985

Municipalities with at least 50000 inhabitants

An earthquake occurred to
25 Km E of Foligno (57155 inhabitants)
44 Km NE of Terni (111501 inhabitants)
55 Km E of Perugia (166134 inhabitants)
63 Km W of Teramo (54892 inhabitants)
67 Km NW of L'Aquila (69753 inhabitants)
88 Km NE of Viterbo (67173 inhabitants)
94 Km SW of Ancona (100861 inhabitants)
99 Km N of Guidonia Montecelio (88673 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 1.5 2023-09-22
07:27:32
42.8703 12.986 11 2023-09-22
07:36:37
Sala Sismica INGV-Roma 121346181
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-09-22 07:27:32 ± 0.06
Latitude 42.8703 ± 0.0027
Longitude 12.9860 ± 0.0049
Depth (km) 11 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 121346181

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 369
Semi-minor axis of confidence ellipse (meter) 293
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 77
Circular confidence region, given by single value of horizontal uncertainty (meter) 370.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 135
Number of associated phases, regardless of their use for origin computation 45
Number of defining phases 20
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) 0.27339
Number of stations at which the event was observed 36
Number of stations from which data was used for origin computation 11
Magnitude information

ML:1.5

Field Value
Value 1.5
Uncertainty 0.3
Num. used stations 14
Type of magnitude ML
Reference to an origin 121346181
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-09-22 07:36:37
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IY.MCDA.HHZ.00 2023-09-22T07:28:54.12 3.0 undecidable manual Sn 2.16 0
IV.CAR1.HHZ. 2023-09-22T07:28:53.41 3.0 undecidable manual Sn 11.08 0
IV.PLMA.HHZ. 2023-09-22T07:28:43.56 3.0 undecidable manual Sn -4.38 0
GU.RRL.HHZ. 2023-09-22T07:28:43.47 3.0 undecidable manual Pg 16.389999 0
IV.AGLI.HHZ. 2023-09-22T07:28:36.50 3.0 undecidable manual Sn -9.45 0
IV.SFI.EHZ. 2023-09-22T07:28:30.84 3.0 undecidable manual Sg 3.56 0
IV.MFNL.HHZ. 2023-09-22T07:28:30.19 3.0 positive manual Pg 24.700001 0
IV.VULT.HHZ. 2023-09-22T07:28:28.85 3.0 undecidable manual Sg 12.4 0
IV.CROCE.HHZ. 2023-09-22T07:28:26.04 3.0 negative manual Pn 8.9 0
SI.ROSI.HHZ. 2023-09-22T07:28:25.72 3.0 positive manual Pn 5.56 0
IX.STN3.EHZ.02 2023-09-22T07:28:23.98 3.0 undecidable manual Sn 3.49 0
IV.ATFO.HHZ. 2023-09-22T07:28:18.47 3.0 undecidable manual Sg 2.51 0
SL.KOGS.BHZ. 2023-09-22T07:28:18.52 3.0 undecidable manual Pn 2.8 0
OX.CIMO.HHZ. 2023-09-22T07:28:17.73 3.0 positive manual Pn 7.14 0
IV.MUCR.HHZ. 2023-09-22T07:28:11.22 3.0 positive manual Pn 7.78 0
NI.VINO.HHZ. 2023-09-22T07:28:08.02 3.0 positive manual Pn -0.97 0
IV.MGR.HHZ. 2023-09-22T07:28:05.96 3.0 undecidable manual Pg 20.299999 0
IV.SACR.HHZ. 2023-09-22T07:28:04.60 3.0 undecidable manual Sn -2.65 0
IV.GIUL.HHZ. 2023-09-22T07:28:04.10 3.0 undecidable manual Sg -0.05 0
IV.GRIS.EHZ. 2023-09-22T07:27:58.72 3.0 undecidable manual Pn 8.69 0
IV.RIBO.EHZ.01 2023-09-22T07:27:56.31 3.0 negative manual Pg 10.97 0
IV.ZCCA.HNZ. 2023-09-22T07:27:50.36 3.0 undecidable manual Pn -4.51 0
IV.GATE.HHZ. 2023-09-22T07:27:46.06 3.0 negative manual Pg 9.47 0
IV.MMO1.EHZ. 2023-09-22T07:27:42.55 0.3 undecidable manual S 83 27.8499 50 0.05 73
IV.FDMO.HHZ. 2023-09-22T07:27:40.28 0.3 undecidable manual S 24 20.1687 50 -0.16 72
IV.GAVE.EHN. 2023-09-22T07:27:40.61 0.6 undecidable manual S 201 21.1677 50 -0.08 49
7F.SIB3.EHE. 2023-09-22T07:27:40.84 0.6 undecidable manual S 89 23.0547 50 -0.38 46
IV.MC2.EHZ. 2023-09-22T07:27:39.83 0.6 undecidable manual S 75 17.0718 50 0.21 48
IV.CESI.HHZ. 2023-09-22T07:27:39.05 0.6 undecidable manual S 336 16.3725 50 -0.36 47
IV.VAGA.HHZ. 2023-09-22T07:27:38.22 3.0 positive manual P 3.23 0
IV.CSP1.EHZ. 2023-09-22T07:27:38.79 0.1 undecidable manual P 36 30.3474 50 0.11 96
IV.LNSS.HHZ. 2023-09-22T07:27:38.52 1.0 undecidable manual P 171 30.0477 50 -0.11 24
IT.MTCL.HGE. 2023-09-22T07:27:38.42 0.6 undecidable manual S 5 13.7751 129 -0.28 48
IV.MMO1.EHZ. 2023-09-22T07:27:38.32 0.1 undecidable manual P 83 27.8499 50 0.01 98
IV.FEMA.HNE. 2023-09-22T07:27:38.03 0.6 undecidable manual S 27 11.3775 134 -0.06 50
7F.SIB3.EHE. 2023-09-22T07:27:37.56 0.1 undecidable manual P 89 23.0547 50 -0.01 99
IV.FDMO.HHZ. 2023-09-22T07:27:37.19 0.1 positive manual P 24 20.1687 50 0.07 98
IV.NRCA.HHZ. 2023-09-22T07:27:37.79 0.3 undecidable manual S 111 11.1777 135 -0.25 72
IV.GAVE.EHN. 2023-09-22T07:27:37.27 0.1 undecidable manual P 201 21.1677 50 0 99
IT.MTCL.HGE. 2023-09-22T07:27:36.16 0.1 undecidable manual P 5 13.7751 129 0.05 100
IV.CESI.HHZ. 2023-09-22T07:27:36.62 0.1 undecidable manual P 336 16.3725 50 0.09 98
IV.MC2.EHZ. 2023-09-22T07:27:36.76 0.1 undecidable manual P 75 17.0718 50 0.11 98
IV.NRCA.HHZ. 2023-09-22T07:27:35.79 0.1 negative manual P 111 11.1777 135 0.06 100
IV.FEMA.HNE. 2023-09-22T07:27:35.99 0.1 undecidable manual P 27 11.3775 134 0.23 97
IV.RCAV.EHZ. 2023-09-22T07:27:33.75 3.0 undecidable manual P -0.93 0
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.NRCA.HNN. ML:2.0 0.001195 0.12 AML other m 2023-09-22T07:27:38.04
IV.NRCA.HHN. ML:2.0 0.0012349999999999998 0.12 AML other m 2023-09-22T07:27:38.04
IV.NRCA.HHE. ML:2.0 0.001045 0.08 AML other m 2023-09-22T07:27:38.11
IV.NRCA.HNE. ML:1.9 0.0008999999999999999 0.08 AML other m 2023-09-22T07:27:38.11
IV.CESI.HHN. ML:1.4 0.00021700000000000002 0.1 AML other m 2023-09-22T07:27:39.61
IV.CESI.HHE. ML:1.2 0.0001485 0.98 AML other m 2023-09-22T07:27:40.53
IV.FDMO.HHE. ML:1.7 0.0003485 0.16 AML other m 2023-09-22T07:27:40.56
IV.FDMO.HHN. ML:1.5 0.00020600000000000002 0.32 AML other m 2023-09-22T07:27:40.57
IV.MMO1.EHN. ML:1.2 0.0000882 0.48 AML other m 2023-09-22T07:27:42.72
IV.MMO1.EHE. ML:1.2 0.0000739 0.74 AML other m 2023-09-22T07:27:42.39
IV.LNSS.HHN. ML:1.2 0.00008724999999999999 0.16 AML other m 2023-09-22T07:27:43.29
IV.LNSS.HHE. ML:1.2 0.0000853 0.88 AML other m 2023-09-22T07:27:43.69
IV.CSP1.EHN. ML:1.5 0.00015445000000000001 0.52 AML other m 2023-09-22T07:27:44.03
IV.CSP1.EHE. ML:1.6 0.00017380000000000002 0.44 AML other m 2023-09-22T07:27:44.01
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