Earthquake with magnitude of ML 0.9 on date 25-01-2023 and time 04:43:09 (UTC) in region 4 km N Preci (PG)

A magnitude ML 0.9 earthquake occured in region: 4 km N Preci (PG), on

  • 25-01-2023 04:43:09 (UTC)
  • 25-01-2023 05:43:09 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.9180, 13.0280 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
Visso MC 5 1107 1831
Sellano PG 9 1079 2910
Monte Cavallo MC 9 145 3055
Ussita MC 10 444 3499
Castelsantangelo sul Nera MC 11 281 3780
Cerreto di Spoleto PG 14 1075 4855
Pieve Torina MC 14 1458 6313
Fiordimonte MC 14 202 6515
Norcia PG 15 4957 11472
Pievebovigliana MC 17 866 12338
Fiastra MC 17 559 12897
Acquacanina MC 17 121 13018
Serravalle di Chienti MC 18 1070 14088
Bolognola MC 18 142 14230
Muccia MC 18 915 15145

Municipalities with at least 50000 inhabitants

An earthquake occurred to
27 Km E of Foligno (57155 inhabitants)
50 Km NE of Terni (111501 inhabitants)
56 Km E of Perugia (166134 inhabitants)
62 Km W of Teramo (54892 inhabitants)
70 Km NW of L'Aquila (69753 inhabitants)
87 Km SW of Ancona (100861 inhabitants)
94 Km NE of Viterbo (67173 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 0.9 2023-01-25
04:43:09
42.9178 13.028 10 2024-03-01
17:18:00
Bollettino Sismico Italiano INGV 115794371
Reviewed
Rev100
ML 1.0 2023-01-25
04:43:09
42.9215 13.0268 11 2023-01-25
05:07:01
Sala Sismica INGV-Roma 113771521
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-01-25 04:43:09 ± 0.06
Latitude 42.9178 ± 0.0027
Longitude 13.0280 ± 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 115794371

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 368
Semi-minor axis of confidence ellipse (meter) 252
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) 370.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 136
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) 0.16
Epicentral distance of station closest to the epicenter (degree) 0.04676
Epicentral distance of station farthest from the epicenter (degree) 0.31476
Number of stations at which the event was observed 13
Number of stations from which data was used for origin computation 13
Magnitudes information

ML:0.9

Field Value
Value 0.9
Uncertainty 0.2
Num. used stations 8
Type of magnitude ML
Reference to an origin 115794371
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2023-03-27 13:02:32

ML:1.0

Field Value
Value 1.0
Uncertainty 0.3
Num. used stations 7
Type of magnitude ML
Reference to an origin 113771521
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-01-25 05:07:01
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.LNSS.HNZ. 2023-01-25T04:43:21.42 0.3 undecidable manual S 178 34.9428 50 0.1 71
IV.GUMA.HNN. 2023-01-25T04:43:20.36 0.3 undecidable manual S 57 29.6481 50 0.45 67
IV.PF6.EHN. 2023-01-25T04:43:19.09 0.6 undecidable manual S 29 27.8499 50 -0.34 46
IV.CSP1.EHZ. 2023-01-25T04:43:18.46 0.6 undecidable manual S 37 24.0537 50 0.05 49
IV.MMO1.EHZ. 2023-01-25T04:43:18.29 0.6 undecidable manual S 95 24.3534 50 -0.2 47
7F.SIB2.EHE. 2023-01-25T04:43:17.79 0.3 undecidable manual S 97 22.5552 115 -0.2 71
7F.SIB1.EHE. 2023-01-25T04:43:17.24 0.3 undecidable manual S 97 19.869 118 0.11 73
7F.SIB3.EHN. 2023-01-25T04:43:17.00 0.3 undecidable manual S 103 20.2686 117 -0.25 71
IV.LNSS.HNZ. 2023-01-25T04:43:16.08 0.3 undecidable manual P 178 34.9428 50 -0.19 70
IV.CESI.HHZ. 2023-01-25T04:43:15.21 0.6 undecidable manual S 314 13.875 127 -0.17 48
IV.GUMA.HNN. 2023-01-25T04:43:15.67 0.3 undecidable manual P 57 29.6481 50 0.22 70
IV.FDMO.HHZ. 2023-01-25T04:43:15.51 0.6 undecidable manual S 20 13.9749 126 0.1 49
IV.PF6.EHN. 2023-01-25T04:43:14.96 0.3 undecidable manual P 29 27.8499 50 -0.22 70
IV.NRCA.HHZ. 2023-01-25T04:43:14.82 0.6 undecidable manual S 143 11.6772 131 0.04 50
IV.CSP1.EHZ. 2023-01-25T04:43:14.50 0.3 positive manual P 37 24.0537 50 -0.09 73
7F.SIB2.EHE. 2023-01-25T04:43:14.23 0.3 undecidable manual P 97 22.5552 115 -0.12 72
IV.MMO1.EHZ. 2023-01-25T04:43:14.65 0.6 positive manual P 95 24.3534 50 0.01 49
7F.SIB1.EHE. 2023-01-25T04:43:14.01 0.3 undecidable manual P 97 19.869 118 0.16 72
IT.MTCL.HGZ. 2023-01-25T04:43:13.80 0.3 undecidable manual S 345 8.7801 140 -0.27 72
7F.SIB3.EHN. 2023-01-25T04:43:13.79 0.3 undecidable manual P 103 20.2686 117 -0.13 72
IV.FEMA.HNE. 2023-01-25T04:43:13.54 0.3 undecidable manual S 20 5.1948 153 0.15 74
IV.CESI.HHZ. 2023-01-25T04:43:12.87 0.1 positive manual P 314 13.875 127 0.03 100
IV.FDMO.HHZ. 2023-01-25T04:43:12.92 1.0 undecidable manual P 20 13.9749 126 0.06 25
IT.MTCL.HGZ. 2023-01-25T04:43:12.14 0.1 undecidable manual P 345 8.7801 140 0.06 100
IV.NRCA.HHZ. 2023-01-25T04:43:12.64 0.1 negative manual P 143 11.6772 131 0.15 98
IV.FEMA.HNE. 2023-01-25T04:43:11.95 0.3 undecidable manual P 20 5.1948 153 0.26 72
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.CSP1.EHE. ML:1.1 0.000072367965 0.96 AML other m 2023-01-25T04:43:19.04
IV.FDMO.HHE. ML:0.8 0.0000679 1.02 AML other m 2023-01-25T04:43:15.22
IV.FDMO.HHN. ML:0.7 0.00004475 0.64 AML other m 2023-01-25T04:43:15.76
IV.CESI.HHN. ML:1.0 0.00009755 0.82 AML other m 2023-01-25T04:43:16.47
IV.CESI.HHE. ML:0.8 0.00006357961 0.4 AML other m 2023-01-25T04:43:15.79
IV.CSP1.EHN. ML:1.3 0.00012569999999999997 0.62 AML other m 2023-01-25T04:43:19.59
IV.MMO1.EHE. ML:0.8 0.000032976970000000004 0.2208 AML other m 2023-01-25T04:43:18.82
IV.MMO1.EHN. ML:0.8 0.00004209690500000001 0.2016 AML other m 2023-01-25T04:43:18.00
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