Earthquake (quarry blast) with magnitude of ML 0.9 on date 14-04-2022 and time 08:45:22 (Italy) in region 3 km NE Trevi (PG)

A magnitude ML 0.9 (quarry blast) earthquake occured in region: 3 km NE Trevi (PG), on

  • 14-04-2022 06:45:22 (UTC)
  • 14-04-2022 08:45:22 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.9060, 12.7630 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 3 8469 8469
Foligno PG 7 57155 65624
Montefalco PG 9 5679 71303
Campello sul Clitunno PG 10 2442 73745
Castel Ritaldi PG 12 3278 77023
Spello PG 12 8645 85668
Bevagna PG 13 5081 90749
Sellano PG 14 1079 91828
Cerreto di Spoleto PG 16 1075 92903
Gualdo Cattaneo PG 17 6155 99058
Giano dell'Umbria PG 17 3846 102904
Vallo di Nera PG 17 364 103268
Valtopina PG 17 1398 104666
Cannara PG 18 4305 108971
Spoleto PG 19 38218 147189
Sant'Anatolia di Narco PG 20 564 147753

Municipalities with at least 50000 inhabitants

An earthquake occurred to
7 Km SE of Foligno (57155 inhabitants)
38 Km SE of Perugia (166134 inhabitants)
39 Km N of Terni (111501 inhabitants)
76 Km NE of Viterbo (67173 inhabitants)
81 Km NW of L'Aquila (69753 inhabitants)
82 Km W of Teramo (54892 inhabitants)
95 Km SE of Arezzo (99543 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 2022-04-14
06:45:22
42.9057 12.763 1 2022-07-08
12:33:58
Bollettino Sismico Italiano INGV 104851231
Reviewed
Rev100
ML 1.0 2022-04-14
06:45:21
42.9005 12.7348 11 2022-04-14
07:11:32
Sala Sismica INGV-Roma 103187761
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2022-04-14 06:45:22 ± 0.17
Latitude 42.9057 ± 0.0099
Longitude 12.7630 ± 0.0147
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 104851231

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1230
Semi-minor axis of confidence ellipse (meter) 1060
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 306
Circular confidence region, given by single value of horizontal uncertainty (meter) 1230.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 97
Number of associated phases, regardless of their use for origin computation 9
Number of defining phases 9
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.36
Epicentral distance of station closest to the epicenter (degree) 0.14389
Epicentral distance of station farthest from the epicenter (degree) 0.49013
Number of stations at which the event was observed 9
Number of stations from which data was used for origin computation 9
Magnitudes information

ML:0.9

Field Value
Value 0.9
Uncertainty 0.2
Num. used stations 10
Type of magnitude ML
Reference to an origin 104851231
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2022-05-19 07:09:02

ML:1.0

Field Value
Value 1.0
Uncertainty 0.2
Num. used stations 10
Type of magnitude ML
Reference to an origin 103187761
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2022-04-14 07:11:32
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.EL6.EHZ. 2022-04-14T06:45:32.00 0.3 undecidable manual P 30 54.4011 91 -0.91 56
IV.CSP1.EHZ. 2022-04-14T06:45:30.56 0.3 undecidable manual P 60 41.3253 91 0.26 71
IV.FDMO.HHZ. 2022-04-14T06:45:28.12 0.3 undecidable manual P 61 30.0477 91 0.09 75
IV.MML1.EHZ. 2022-04-14T06:45:27.47 0.3 undecidable manual P 36 28.6491 91 -0.27 73
IV.GAVE.HNZ. 2022-04-14T06:45:27.28 0.3 undecidable manual P 156 25.9518 91 0.06 76
IV.NRCA.HHZ. 2022-04-14T06:45:27.83 0.3 undecidable manual P 106 29.6481 91 -0.12 75
IV.ASSB.HHZ. 2022-04-14T06:45:25.72 0.1 undecidable manual P 331 17.3715 92 0.22 100
IV.CESI.HHZ. 2022-04-14T06:45:25.72 0.3 undecidable manual P 46 15.9729 92 0.52 70
IV.MOMA.HHZ. 2022-04-14T06:45:25.77 0.3 undecidable manual P 234 19.3695 91 -0.11 76
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.ASSB.HHN. ML:1.0 0.0001042 0.42 AML other m 2022-04-14T06:45:29.67
IV.ASSB.HHE. ML:1.0 0.00011199999999999998 0.2 AML other m 2022-04-14T06:45:30.24
IV.CESI.HHN. ML:1.0 0.00012014999999999999 0.3 AML other m 2022-04-14T06:45:30.83
IV.CESI.HHE. ML:0.7 0.0000537 0.4 AML other m 2022-04-14T06:45:31.09
IV.NRCA.HHN. ML:1.0 0.00004825 0.74 AML other m 2022-04-14T06:45:33.03
IV.MML1.EHE. ML:0.7 0.000026450000000000003 0.4 AML other m 2022-04-14T06:45:34.20
IV.FDMO.HHN. ML:1.1 0.00007245 0.3 AML other m 2022-04-14T06:45:34.57
IV.FDMO.HHE. ML:1.0 0.0000498 0.96 AML other m 2022-04-14T06:45:35.02
IV.MML1.EHN. ML:0.8 0.00003555 0.36 AML other m 2022-04-14T06:45:36.65
IV.NRCA.HHE. ML:0.9 0.000042749999999999996 0.42 AML other m 2022-04-14T06:45:38.33
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