Earthquake with magnitude of ML 0.8 on date 06-03-2023 and time 18:33:19 (UTC) in region 4 km SW Trevi (PG)

A magnitude ML 0.8 earthquake occured in region: 4 km SW Trevi (PG), on

  • 06-03-2023 18:33:19 (UTC)
  • 06-03-2023 19:33:19 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.8520, 12.7230 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
Trevi PG 4 8469 8469
Castel Ritaldi PG 5 3278 11747
Campello sul Clitunno PG 6 2442 14189
Montefalco PG 7 5679 19868
Foligno PG 12 57155 77023
Giano dell'Umbria PG 12 3846 80869
Bevagna PG 13 5081 85950
Spoleto PG 13 38218 124168
Vallo di Nera PG 15 364 124532
Gualdo Cattaneo PG 15 6155 130687
Sant'Anatolia di Narco PG 16 564 131251
Spello PG 16 8645 139896
Cerreto di Spoleto PG 16 1075 140971
Sellano PG 17 1079 142050
Scheggino PG 18 461 142511
Massa Martana PG 18 3770 146281
Cannara PG 20 4305 150586

Municipalities with at least 50000 inhabitants

An earthquake occurred to
12 Km S of Foligno (57155 inhabitants)
33 Km N of Terni (111501 inhabitants)
39 Km SE of Perugia (166134 inhabitants)
70 Km NE of Viterbo (67173 inhabitants)
79 Km NW of L'Aquila (69753 inhabitants)
83 Km W of Teramo (54892 inhabitants)
95 Km N of Guidonia Montecelio (88673 inhabitants)
97 Km SE of Arezzo (99543 inhabitants)
99 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 0.8 2023-03-06
18:33:19
42.8522 12.7227 10 2024-03-01
17:18:18
Bollettino Sismico Italiano INGV 123497541
Reviewed
Rev100
ML 0.8 2023-03-06
18:33:20
42.8583 12.7267 10 2023-03-06
18:51:29
Sala Sismica INGV-Roma 115042131
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-03-06 18:33:19 ± 0.05
Latitude 42.8522 ± 0.0027
Longitude 12.7227 ± 0.0049
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 123497541

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 338
Semi-minor axis of confidence ellipse (meter) 256
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 270
Circular confidence region, given by single value of horizontal uncertainty (meter) 340.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 105
Number of associated phases, regardless of their use for origin computation 14
Number of defining phases 14
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.12
Epicentral distance of station closest to the epicenter (degree) 0.11871
Epicentral distance of station farthest from the epicenter (degree) 0.32466
Number of stations at which the event was observed 7
Number of stations from which data was used for origin computation 7
Magnitudes information

ML:0.8

Field Value
Value 0.8
Uncertainty 0.2
Num. used stations 8
Type of magnitude ML
Reference to an origin 123497541
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2023-11-27 16:56:56

ML:0.8

Field Value
Value 0.8
Uncertainty 0.2
Num. used stations 8
Type of magnitude ML
Reference to an origin 115042131
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-03-06 18:51:29
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.FDMO.HHZ. 2023-03-06T18:33:32.06 0.3 undecidable manual S 55 36.0417 50 -0.13 71
IV.NRCA.HHZ. 2023-03-06T18:33:31.41 0.3 undecidable manual S 94 31.9458 50 0.3 69
IV.ASSB.HHZ. 2023-03-06T18:33:28.21 0.3 undecidable manual S 346 21.7671 115 0.03 75
IV.CESI.HHZ. 2023-03-06T18:33:28.27 0.6 undecidable manual S 41 22.4553 114 -0.14 49
IV.GAVE.EHZ. 2023-03-06T18:33:28.48 0.6 undecidable manual S 142 22.5552 114 0.04 50
IV.NRCA.HHZ. 2023-03-06T18:33:26.31 0.1 undecidable manual P 94 31.9458 50 -0.05 98
IV.FDMO.HHZ. 2023-03-06T18:33:26.88 0.1 undecidable manual P 55 36.0417 50 -0.1 96
IV.MOMA.HHZ. 2023-03-06T18:33:25.55 0.6 undecidable manual S 247 13.4754 126 -0.15 49
IT.FOPC.HGN. 2023-03-06T18:33:25.74 0.6 undecidable manual S 353 13.1757 127 0.15 49
IV.CESI.HHZ. 2023-03-06T18:33:24.80 0.1 positive manual P 41 22.4553 114 0 100
IV.GAVE.EHZ. 2023-03-06T18:33:24.73 0.3 undecidable manual P 142 22.5552 114 -0.09 74
IV.ASSB.HHZ. 2023-03-06T18:33:24.63 0.3 undecidable manual P 346 21.7671 115 -0.04 75
IV.MOMA.HHZ. 2023-03-06T18:33:23.34 0.3 undecidable manual P 247 13.4754 126 0.11 75
IT.FOPC.HGN. 2023-03-06T18:33:23.27 0.3 undecidable manual P 353 13.1757 127 0.1 75
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.CESI.HHN. ML:1.0 0.00005757176 0.1536 AML other m 2023-03-06T18:33:28.43
IV.ASSB.HHN. ML:0.9 0.0000488 0.26 AML other m 2023-03-06T18:33:28.48
IV.ASSB.HHE. ML:1.0 0.0000738 0.24 AML other m 2023-03-06T18:33:28.53
IV.CESI.HHE. ML:0.6 0.000024353485000000002 0.1408 AML other m 2023-03-06T18:33:29.09
IV.NRCA.HHN. ML:0.8 0.00002685 0.6 AML other m 2023-03-06T18:33:32.21
IV.FDMO.HHE. ML:0.7 0.000022138445 0.192 AML other m 2023-03-06T18:33:32.83
IV.FDMO.HHN. ML:0.6 0.000013671555 0.1152 AML other m 2023-03-06T18:33:32.76
IV.NRCA.HHE. ML:0.8 0.000028650000000000002 1.46 AML other m 2023-03-06T18:33:33.85
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