Istituto Nazionale di Geofisica e Vulcanologia

Earthquake (quarry blast) with magnitude of ML 1.3 on date 25-05-2022 and time 06:29:34 (UTC) in region 4 km NE Trevi (PG)

A magnitude ML 1.3 (quarry blast) earthquake occured in region: 4 km NE Trevi (PG), on

  • 25-05-2022 06:29:34 (UTC)
  • 25-05-2022 08:29:34 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.9030, 12.7850 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.

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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
Foligno PG 9 57155 65624
Campello sul Clitunno PG 9 2442 68066
Montefalco PG 11 5679 73745
Sellano PG 12 1079 74824
Castel Ritaldi PG 13 3278 78102
Spello PG 14 8645 86747
Cerreto di Spoleto PG 14 1075 87822
Bevagna PG 15 5081 92903
Vallo di Nera PG 16 364 93267
Valtopina PG 18 1398 94665
Giano dell'Umbria PG 19 3846 98511
Gualdo Cattaneo PG 19 6155 104666
Spoleto PG 19 38218 142884
Sant'Anatolia di Narco PG 19 564 143448
Cannara PG 19 4305 147753

Municipalities with at least 50000 inhabitants

An earthquake occurred to
9 Km SE of Foligno (57155 inhabitants)
39 Km SE of Perugia (166134 inhabitants)
40 Km N of Terni (111501 inhabitants)
77 Km NE of Viterbo (67173 inhabitants)
79 Km NW of L'Aquila (69753 inhabitants)
80 Km W of Teramo (54892 inhabitants)
96 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 1.3 2022-05-25
06:29:34		 42.9032 12.7853 1 2023-01-31
19:03:37		 Bollettino Sismico Italiano INGV 109250351
Reviewed
Rev100 		ML 1.3 2022-05-25
06:29:34		 42.9068 12.7663 7 2022-05-25
06:43:26		 Sala Sismica INGV-Roma 105126031
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2022-05-25 06:29:34 ± 0.14
Latitude 42.9032 ± 0.0081
Longitude 12.7853 ± 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 109250351

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 960
Semi-minor axis of confidence ellipse (meter) 900
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 311
Circular confidence region, given by single value of horizontal uncertainty (meter) 960.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 88
Number of associated phases, regardless of their use for origin computation 31
Number of defining phases 9
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.32
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.35973
Number of stations at which the event was observed 30
Number of stations from which data was used for origin computation 9
Magnitudes information

ML:1.3

Field Value
Value 1.3
Uncertainty 0.3
Num. used stations 16
Type of magnitude ML
Reference to an origin 109250351
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2022-09-02 15:23:26

ML:1.3

Field Value
Value 1.3
Uncertainty 0.1
Num. used stations 16
Type of magnitude ML
Reference to an origin 105126031
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2022-05-25 06:43:26
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.IACL.HHZ. 2022-05-25T06:31:22.06 3.0 undecidable manual Sn -8.37 0
IV.BAG8.EHZ. 2022-05-25T06:31:12.40 3.0 undecidable manual Sg 16.25 0
IV.MCRV.HHZ. 2022-05-25T06:31:04.33 3.0 undecidable manual Sg 16.809999 0
IV.IFIL.HHZ. 2022-05-25T06:30:55.89 3.0 undecidable manual Pg 17.959999 0
IV.CADC.HNZ. 2022-05-25T06:30:50.72 3.0 undecidable manual Sn -1.3 0
IV.MSSA.HHZ. 2022-05-25T06:30:49.09 3.0 undecidable manual Sg 7.02 0
GU.GORR.HHZ. 2022-05-25T06:30:43.24 3.0 undecidable manual Sn -5.75 0
IV.PTRJ.HHZ. 2022-05-25T06:30:38.20 3.0 undecidable manual Sg 9.07 0
IV.SARZ.HNZ. 2022-05-25T06:30:33.36 3.0 undecidable manual Pg 13.93 0
NI.VINO.HHZ. 2022-05-25T06:30:26.62 3.0 undecidable manual Pg 7.82 0
IV.ACER.HHZ. 2022-05-25T06:30:24.51 3.0 positive manual Pg 5.53 0
IV.MRVN.HHZ. 2022-05-25T06:30:16.74 3.0 undecidable manual Pn -1.77 0
IV.MOCL.EHZ. 2022-05-25T06:30:15.81 3.0 undecidable manual Sg 2.06 0
IV.GIUL.HHZ. 2022-05-25T06:30:10.76 3.0 undecidable manual Sn -3.31 0
IV.MSSA.HHZ. 2022-05-25T06:30:07.31 3.0 undecidable manual Pn -3.2 0
IV.ZCCA.HHZ. 2022-05-25T06:29:54.98 3.0 negative manual Pn -4.31 0
IV.MPAG.EHZ. 2022-05-25T06:29:53.58 3.0 undecidable manual Sn 0.28 0
IV.ATPI.EHZ. 2022-05-25T06:29:53.47 3.0 undecidable manual Sg 2.77 0
IV.LPEL.HHZ. 2022-05-25T06:29:51.28 3.0 undecidable manual Pn -2.78 0
IV.RIBO.EHZ.01 2022-05-25T06:29:51.01 3.0 undecidable manual Pn 0.03 0
IV.SSFR.HHZ. 2022-05-25T06:29:47.96 3.0 undecidable manual Sn -1.46 0
IV.ARVD.HHZ. 2022-05-25T06:29:42.08 3.0 undecidable manual P 0.2 0
IV.CSP1.EHZ. 2022-05-25T06:29:42.10 0.3 undecidable manual P 58 39.9267 91 -0.48 67
IV.MC2.EHZ. 2022-05-25T06:29:41.78 0.6 undecidable manual P 88 32.8449 91 0.63 43
IV.LNSS.HHE. 2022-05-25T06:29:41.92 0.3 undecidable manual P 148 39.2274 91 -0.52 67
IV.NRCA.HHZ. 2022-05-25T06:29:40.09 0.3 undecidable manual P 106 27.8499 91 -0.06 75
IV.FDMO.HHZ. 2022-05-25T06:29:40.51 0.3 undecidable manual P 59 28.6491 91 0.19 73
IV.GAVE.EHZ. 2022-05-25T06:29:39.73 0.1 undecidable manual P 159 25.0527 91 0.14 99
IV.ASSB.HHZ. 2022-05-25T06:29:38.14 0.1 undecidable manual P 326 18.5703 92 -0.16 100
IV.MOMA.HHZ. 2022-05-25T06:29:38.88 0.1 undecidable manual P 238 20.6682 91 0.16 100
IV.CESI.HHZ. 2022-05-25T06:29:37.79 0.3 undecidable manual P 41 14.874 92 0.23 74
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.ASSB.HHE. ML:1.4 0.00021100000000000003 1.76 AML other m 2022-05-25T06:29:42.00
IV.MOMA.HHN. ML:1.2 0.000135 0.3 AML other m 2022-05-25T06:29:42.58
IV.ASSB.HHN. ML:1.2 0.0001395 0.22 AML other m 2022-05-25T06:29:42.64
IV.CESI.HHN. ML:1.3 0.000243 0.4 AML other m 2022-05-25T06:29:42.77
IV.MOMA.HHE. ML:1.3 0.00015949999999999997 0.28 AML other m 2022-05-25T06:29:43.17
IV.CESI.HHE. ML:1.0 0.0001265 0.32 AML other m 2022-05-25T06:29:44.76
IV.FDMO.HHN. ML:1.3 0.0001095 0.94 AML other m 2022-05-25T06:29:47.42
IV.FDMO.HHE. ML:1.2 0.00008195 0.86 AML other m 2022-05-25T06:29:47.43
IV.NRCA.HHE. ML:1.1 0.00006434999999999999 0.26 AML other m 2022-05-25T06:29:47.43
IV.NRCA.HHN. ML:1.0 0.0000485 0.96 AML other m 2022-05-25T06:29:49.48
IV.SSFR.HHE. ML:1.4 0.000051450000000000004 1.4 AML other m 2022-05-25T06:29:56.78
IV.SSFR.HHN. ML:1.5 0.000068 1.88 AML other m 2022-05-25T06:29:59.95
IV.ATPI.EHN. ML:1.3 0.0000359 1.04 AML other m 2022-05-25T06:30:00.59
IV.ATPI.EHE. ML:1.2 0.00003125 1.1 AML other m 2022-05-25T06:30:01.00
IV.RM33.HNE. ML:2.6 0.0008959999999999999 1 AML other m 2022-05-25T06:30:14.55
IV.RM33.HNN. ML:2.5 0.0007415000000000001 0.96 AML other m 2022-05-25T06:30:14.56
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