Earthquake (quarry blast) with magnitude of ML 0.6 on date 02-04-2023 and time 14:55:14 (UTC) in region 5 km NE Trevi (PG)

A magnitude ML 0.6 (quarry blast) earthquake occured in region: 5 km NE Trevi (PG), on

  • 02-04-2023 14:55:14 (UTC)
  • 02-04-2023 16:55:14 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.9040, 12.8000 at 0 km depth.

The earthquake was located by: Bollettino Sismico Italiano INGV.

Event type: quarry blast.

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 5 8469 8469
Campello sul Clitunno PG 9 2442 10911
Foligno PG 10 57155 68066
Sellano PG 11 1079 69145
Montefalco PG 12 5679 74824
Cerreto di Spoleto PG 13 1075 75899
Castel Ritaldi PG 14 3278 79177
Spello PG 14 8645 87822
Vallo di Nera PG 16 364 88186
Bevagna PG 16 5081 93267
Valtopina PG 18 1398 94665
Sant'Anatolia di Narco PG 19 564 95229
Monte Cavallo MC 19 145 95374
Spoleto PG 19 38218 133592
Giano dell'Umbria PG 20 3846 137438
Preci PG 20 724 138162
Gualdo Cattaneo PG 20 6155 144317

Municipalities with at least 50000 inhabitants

An earthquake occurred to
10 Km SE of Foligno (57155 inhabitants)
40 Km NE of Terni (111501 inhabitants)
40 Km SE of Perugia (166134 inhabitants)
78 Km NE of Viterbo (67173 inhabitants)
79 Km NW of L'Aquila (69753 inhabitants)
79 Km W of Teramo (54892 inhabitants)
97 Km SE of Arezzo (99543 inhabitants)
99 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 0.6 2023-04-02
14:55:14
42.9037 12.8003 1 2024-03-01
17:18:04
Bollettino Sismico Italiano INGV 116464721
Reviewed
Rev100
ML 0.7 2023-04-02
14:55:13
42.9177 12.7857 12 2023-04-02
15:03:58
Sala Sismica INGV-Roma 115974981
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-04-02 14:55:14 ± 0.13
Latitude 42.9037 ± 0.0081
Longitude 12.8003 ± 0.0098
Depth (km) 1 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type quarry blast
Origin ID 116464721

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 910
Semi-minor axis of confidence ellipse (meter) 820
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 337
Circular confidence region, given by single value of horizontal uncertainty (meter) 910.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 78
Number of associated phases, regardless of their use for origin computation 20
Number of defining phases 8
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.3
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.24821
Number of stations at which the event was observed 20
Number of stations from which data was used for origin computation 8
Magnitudes information

ML:0.6

Field Value
Value 0.6
Uncertainty 0.1
Num. used stations 4
Type of magnitude ML
Reference to an origin 116464721
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2024-01-09 14:56:28

ML:0.7

Field Value
Value 0.7
Uncertainty 0.1
Num. used stations 4
Type of magnitude ML
Reference to an origin 115974981
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-04-02 15:03:58
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
GU.TRAV.HHZ. 2023-04-02T14:56:58.79 3.0 undecidable manual Sn -3.3 0
CH.MUGIO.HHZ. 2023-04-02T14:56:53.78 3.0 undecidable manual Sn 0.43 0
CR.STON.BHZ. 2023-04-02T14:56:19.20 3.0 undecidable manual Pg 11.81 0
IV.MCRV.HHZ. 2023-04-02T14:55:57.07 3.0 undecidable manual Pg 3.86 0
GU.CANO.HHZ. 2023-04-02T14:55:56.86 3.0 negative manual Pn -1.62 0
IV.LRP.EHZ. 2023-04-02T14:55:52.66 3.0 undecidable manual Sn -0.81 0
IV.ZCCA.HHZ. 2023-04-02T14:55:41.42 3.0 undecidable manual Pg 2.89 0
IV.IMOL.HNZ. 2023-04-02T14:55:35.81 3.0 undecidable manual Pg 0.28 0
IV.LMD.HHZ. 2023-04-02T14:55:27.96 3.0 undecidable manual Pn -3.98 0
IV.CRE.HHZ. 2023-04-02T14:55:26.07 3.0 undecidable manual P 1.11 0
IV.NARO.HHZ. 2023-04-02T14:55:22.16 3.0 undecidable manual P -2.18 0
IV.FDMO.HHZ. 2023-04-02T14:55:19.59 0.1 undecidable manual P 58 27.5502 91 -0.17 97
IV.SRES.HHZ. 2023-04-02T14:55:19.04 3.0 negative manual P -0.17 0
IV.MML1.EHZ. 2023-04-02T14:55:19.30 0.1 undecidable manual P 31 27.1506 91 -0.37 93
IV.NRCA.HHZ. 2023-04-02T14:55:19.60 0.1 undecidable manual P 107 26.6511 91 0.02 100
IV.GAVE.HNZ. 2023-04-02T14:55:19.33 0.3 undecidable manual P 162 24.6531 91 0.15 73
IV.MOMA.HHZ. 2023-04-02T14:55:18.42 0.1 undecidable manual P 240 21.7671 91 -0.17 98
IV.CESI.HHZ. 2023-04-02T14:55:17.48 0.1 undecidable manual P 37 14.0748 92 0.43 94
IV.ASSB.HHE. 2023-04-02T14:55:17.95 0.3 undecidable manual P 323 19.2696 91 -0.14 74
IT.FOPC.HGN. 2023-04-02T14:55:16.75 0.3 undecidable manual P 313 10.7781 93 0.35 72
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.CESI.HHE. ML:0.5 0.00003945 1.08 AML other m 2023-04-02T14:55:20.43
IV.CESI.HHN. ML:0.5 0.000038400000000000005 0.24 AML other m 2023-04-02T14:55:22.50
IV.NRCA.HHN. ML:0.6 0.000025750000000000002 0.98 AML other m 2023-04-02T14:55:24.27
IV.NRCA.HHE. ML:0.8 0.000033 0.2 AML other m 2023-04-02T14:55:24.41
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