Earthquake (quarry blast) with magnitude of ML 0.8 on date 05-04-2022 and time 06:47:10 (UTC) in region 2 km NE Trevi (PG)

A magnitude ML 0.8 (quarry blast) earthquake occured in region: 2 km NE Trevi (PG), on

  • 05-04-2022 06:47:10 (UTC)
  • 05-04-2022 08:47:10 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.8920, 12.7700 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 2 8469 8469
Campello sul Clitunno PG 8 2442 10911
Foligno PG 9 57155 68066
Montefalco PG 10 5679 73745
Castel Ritaldi PG 11 3278 77023
Sellano PG 13 1079 78102
Spello PG 14 8645 86747
Bevagna PG 14 5081 91828
Cerreto di Spoleto PG 14 1075 92903
Vallo di Nera PG 16 364 93267
Giano dell'Umbria PG 17 3846 97113
Gualdo Cattaneo PG 18 6155 103268
Spoleto PG 18 38218 141486
Sant'Anatolia di Narco PG 18 564 142050
Valtopina PG 19 1398 143448
Cannara PG 19 4305 147753

Municipalities with at least 50000 inhabitants

An earthquake occurred to
9 Km SE of Foligno (57155 inhabitants)
38 Km N of Terni (111501 inhabitants)
39 Km SE of Perugia (166134 inhabitants)
76 Km NE of Viterbo (67173 inhabitants)
79 Km NW of L'Aquila (69753 inhabitants)
81 Km W of Teramo (54892 inhabitants)
96 Km SE of Arezzo (99543 inhabitants)
99 Km N of Guidonia Montecelio (88673 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 2022-04-05
06:47:10
42.8915 12.7705 1 2022-07-08
12:33:58
Bollettino Sismico Italiano INGV 104870101
Reviewed
Rev100
ML 0.8 2022-04-05
06:47:10
42.9028 12.7455 10 2022-04-05
06:55:49
Sala Sismica INGV-Roma 102796071
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2022-04-05 06:47:10 ± 0.13
Latitude 42.8915 ± 0.0072
Longitude 12.7705 ± 0.0110
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 104870101

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 920
Semi-minor axis of confidence ellipse (meter) 820
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 282
Circular confidence region, given by single value of horizontal uncertainty (meter) 920.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 93
Number of associated phases, regardless of their use for origin computation 10
Number of defining phases 7
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.24
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.37502
Number of stations at which the event was observed 10
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 11
Type of magnitude ML
Reference to an origin 104870101
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2022-05-19 13:46:30

ML:0.8

Field Value
Value 0.8
Uncertainty 0.2
Num. used stations 11
Type of magnitude ML
Reference to an origin 102796071
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2022-04-05 06:55:49
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
GU.CARD.HHZ. 2022-04-05T06:47:44.13 3.0 undecidable manual Pg 9.46 0
IV.MCIV.CHZ. 2022-04-05T06:47:29.24 3.0 undecidable manual Sn -0.09 0
IV.CSP1.EHZ. 2022-04-05T06:47:18.60 0.3 undecidable manual P 58 41.625 91 -0.33 92
IV.FRON.EHZ. 2022-04-05T06:47:17.91 3.0 undecidable manual P -0.22 0
IV.NRCA.HHZ. 2022-04-05T06:47:16.22 0.3 undecidable manual P 103 28.6491 91 -0.11 99
IV.MML1.HNE. 2022-04-05T06:47:16.53 0.3 undecidable manual P 33 29.5482 91 0.03 100
IV.GAVE.HNE. 2022-04-05T06:47:15.52 0.3 undecidable manual P 155 24.2535 91 0.07 100
IV.CESI.HHZ. 2022-04-05T06:47:14.36 0.3 undecidable manual P 41 16.6722 92 0.44 94
IV.ASSB.HHZ. 2022-04-05T06:47:14.26 0.3 undecidable manual P 332 19.0698 92 -0.14 99
IV.MOMA.HHZ. 2022-04-05T06:47:14.43 0.6 undecidable manual P 239 18.9699 92 0.05 68
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.ASSB.HHE. ML:0.8 0.0000596 0.2 AML other m 2022-04-05T06:47:18.18
IV.ASSB.HHN. ML:0.8 0.00006104549 0.2016 AML other m 2022-04-05T06:47:18.73
IV.MOMA.HHN. ML:0.8 0.00004998689 1.76 AML other m 2022-04-05T06:47:20.94
IV.CESI.HHN. ML:0.8 0.00006915 0.26 AML other m 2022-04-05T06:47:20.20
IV.MOMA.HHE. ML:0.7 0.0000471 1.74 AML other m 2022-04-05T06:47:21.91
IV.CESI.HHE. ML:0.6 0.00004 1.3 AML other m 2022-04-05T06:47:22.97
IV.NRCA.HHE. ML:0.6 0.000021918295 0.16 AML other m 2022-04-05T06:47:22.46
IV.NRCA.HNE. ML:1.3 0.00011818410000000001 1.1712 AML other m 2022-04-05T06:47:25.15
IV.NRCA.HHN. ML:0.4 0.00001741179 0.2016 AML other m 2022-04-05T06:47:27.40
IV.CSP1.EHN. ML:1.1 0.0000411177 0.3808 AML other m 2022-04-05T06:47:30.39
IV.RM33.EHE. ML:0.9 0.000019631715 0.2176 AML other m 2022-04-05T06:47:33.58
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