Earthquake with magnitude of ML 1.1 on date 27-01-2023 and time 08:24:51 (UTC) in region 5 km W Preci (PG)

A magnitude ML 1.1 earthquake occured in region: 5 km W Preci (PG), on

  • 27-01-2023 08:24:51 (UTC)
  • 27-01-2023 09:24:51 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.8990, 12.9900 at 12 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 5 724 724
Sellano PG 5 1079 1803
Visso MC 9 1107 2910
Cerreto di Spoleto PG 11 1075 3985
Monte Cavallo MC 11 145 4130
Ussita MC 13 444 4574
Castelsantangelo sul Nera MC 13 281 4855
Norcia PG 15 4957 9812
Pieve Torina MC 17 1458 11270
Fiordimonte MC 17 202 11472
Vallo di Nera PG 18 364 11836
Campello sul Clitunno PG 19 2442 14278
Serravalle di Chienti MC 20 1070 15348
Trevi PG 20 8469 23817
Pievebovigliana MC 20 866 24683

Municipalities with at least 50000 inhabitants

An earthquake occurred to
24 Km E of Foligno (57155 inhabitants)
47 Km NE of Terni (111501 inhabitants)
54 Km E of Perugia (166134 inhabitants)
64 Km W of Teramo (54892 inhabitants)
69 Km NW of L'Aquila (69753 inhabitants)
90 Km NE of Viterbo (67173 inhabitants)
91 Km SW of Ancona (100861 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 1.1 2023-01-27
08:24:51
42.8992 12.9905 12 2024-03-01
17:18:04
Bollettino Sismico Italiano INGV 116508191
Reviewed
Rev100
ML 1.1 2023-01-27
08:24:51
42.8997 12.9882 11 2023-01-27
08:31:31
Sala Sismica INGV-Roma 113826121
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-01-27 08:24:51 ± 0.09
Latitude 42.8992 ± 0.0045
Longitude 12.9905 ± 0.0061
Depth (km) 12 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 116508191

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 576
Semi-minor axis of confidence ellipse (meter) 155
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 43
Circular confidence region, given by single value of horizontal uncertainty (meter) 580.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 156
Number of associated phases, regardless of their use for origin computation 20
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) 0.07644
Epicentral distance of station farthest from the epicenter (degree) 0.29857
Number of stations at which the event was observed 11
Number of stations from which data was used for origin computation 11
Magnitudes information

ML:1.1

Field Value
Value 1.1
Uncertainty 0.1
Num. used stations 6
Type of magnitude ML
Reference to an origin 116508191
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2023-04-19 07:19:39

ML:1.1

Field Value
Value 1.1
Uncertainty 0.2
Num. used stations 6
Type of magnitude ML
Reference to an origin 113826121
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-01-27 08:31:31
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.LNSS.HNZ. 2023-01-27T08:25:02.70 0.6 undecidable manual S 173 33.1446 92 0.05 49
IV.MMO1.HNZ. 2023-01-27T08:25:01.15 0.6 undecidable manual S 90 27.3504 93 0.05 48
7F.SIB2.EHZ. 2023-01-27T08:25:00.54 0.6 undecidable manual S 92 25.4523 93 -0.07 49
IV.FDMO.HHZ. 2023-01-27T08:24:58.23 0.6 undecidable manual S 27 17.1717 99 -0.17 49
IV.MC2.EHZ. 2023-01-27T08:24:58.39 0.6 undecidable manual S 85 16.1727 101 0.25 47
IV.NRCA.HHZ. 2023-01-27T08:24:57.11 0.6 undecidable manual S 126 12.3765 114 -0.08 50
IV.CESI.HHZ. 2023-01-27T08:24:57.31 0.6 undecidable manual S 329 13.6752 110 -0.18 48
IV.CSP1.EHZ. 2023-01-27T08:24:57.14 0.3 positive manual P 39 27.5502 93 0.13 72
IV.LNSS.HNZ. 2023-01-27T08:24:57.88 0.3 undecidable manual P 173 33.1446 92 0.01 73
IV.FEMA.HNZ. 2023-01-27T08:24:56.36 0.6 undecidable manual S 35 8.4804 132 0.05 50
IV.MMO1.HNZ. 2023-01-27T08:24:56.51 0.3 undecidable manual P 90 27.3504 93 -0.47 67
7F.SIB1.EHZ. 2023-01-27T08:24:56.25 0.1 undecidable manual P 91 22.755 94 -0.02 99
IT.MTCL.HGZ. 2023-01-27T08:24:56.40 0.6 undecidable manual S 4 10.5783 123 -0.34 47
7F.SIB2.EHZ. 2023-01-27T08:24:56.62 0.1 undecidable manual P 92 25.4523 93 -0.08 98
IV.FDMO.HHZ. 2023-01-27T08:24:55.40 1.0 undecidable manual P 27 17.1717 99 -0.02 25
IV.MC2.EHZ. 2023-01-27T08:24:55.21 0.6 undecidable manual P 85 16.1727 101 -0.06 50
IV.CESI.HHZ. 2023-01-27T08:24:55.06 0.1 positive manual P 329 13.6752 110 0.17 98
IV.FEMA.HNZ. 2023-01-27T08:24:54.39 0.1 undecidable manual P 35 8.4804 132 0.18 98
IV.NRCA.HHZ. 2023-01-27T08:24:54.82 0.1 negative manual P 126 12.3765 114 0.1 99
IT.MTCL.HGZ. 2023-01-27T08:24:54.55 0.1 undecidable manual P 4 10.5783 123 0.09 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.CESI.HHE. ML:1.0 0.0001001 0.52 AML other m 2023-01-27T08:24:57.91
IV.CESI.HHN. ML:1.1 0.000124 0.96 AML other m 2023-01-27T08:24:58.67
IV.FDMO.HHE. ML:1.1 0.00010300000000000001 0.16 AML other m 2023-01-27T08:24:58.50
IV.FDMO.HHN. ML:1.0 0.00007585 0.14 AML other m 2023-01-27T08:24:58.69
IV.MC2.EHN. ML:1.2 0.0001229649 0.2624 AML other m 2023-01-27T08:25:00.50
IV.MC2.EHE. ML:1.0 0.00008545365000000001 0.1792 AML other m 2023-01-27T08:24:59.81
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