A magnitude ML 1.1 (quarry blast) earthquake occured in region: 4 km NE Trevi (PG), on
and geographic coordinates (lat, lon) 42.9080, 12.7810 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.
Municipality | Region | Distance (km) | Inhabitants | Cumulative Inhabitants |
---|---|---|---|---|
Trevi | PG | 4 | 8469 | 8469 |
Foligno | PG | 8 | 57155 | 65624 |
Campello sul Clitunno | PG | 10 | 2442 | 68066 |
Montefalco | PG | 11 | 5679 | 73745 |
Sellano | PG | 12 | 1079 | 74824 |
Castel Ritaldi | PG | 13 | 3278 | 78102 |
Spello | PG | 13 | 8645 | 86747 |
Bevagna | PG | 14 | 5081 | 91828 |
Cerreto di Spoleto | PG | 15 | 1075 | 92903 |
Vallo di Nera | PG | 17 | 364 | 93267 |
Valtopina | PG | 17 | 1398 | 94665 |
Gualdo Cattaneo | PG | 18 | 6155 | 100820 |
Giano dell'Umbria | PG | 18 | 3846 | 104666 |
Cannara | PG | 19 | 4305 | 108971 |
Spoleto | PG | 20 | 38218 | 147189 |
Sant'Anatolia di Narco | PG | 20 | 564 | 147753 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
ML 1.1 | 2023-04-11 07:24:29 |
42.9077 | 12.7812 | 1 | 2024-03-01 17:18:20 |
Bollettino Sismico Italiano INGV | 124789591 |
Reviewed Rev100 |
ML 1.1 | 2023-04-11 07:24:29 |
42.8967 | 12.7637 | 7 | 2023-04-11 07:35:17 |
Sala Sismica INGV-Roma | 116271241 |
Field | Value |
---|---|
Time (UTC) | 2023-04-11 07:24:29 ± 0.14 |
Latitude | 42.9077 ± 0.0072 |
Longitude | 12.7812 ± 0.0123 |
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 | 124789591 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 980 |
Semi-minor axis of confidence ellipse (meter) | 770 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 249 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 980.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 120 |
Number of associated phases, regardless of their use for origin computation | 23 |
Number of defining phases | 11 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.28 |
Epicentral distance of station closest to the epicenter (degree) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 0.40200 |
Number of stations at which the event was observed | 22 |
Number of stations from which data was used for origin computation | 11 |
Field | Value |
---|---|
Value | 1.1 |
Uncertainty | 0.2 |
Num. used stations | 12 |
Type of magnitude | ML |
Reference to an origin | 124789591 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2024-01-22 12:37:13 |
Field | Value |
---|---|
Value | 1.1 |
Uncertainty | 0.2 |
Num. used stations | 12 |
Type of magnitude | ML |
Reference to an origin | 116271241 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2023-04-11 07:35:17 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
CH.MUGIO.HHZ. | 2023-04-11T07:26:26.54 | 3.0 | undecidable | manual | Sn | 5.47 | 0 | |||
IV.AGLI.HHZ. | 2023-04-11T07:26:11.54 | 3.0 | undecidable | manual | Sg | 9.43 | 0 | |||
CH.BNALP.HHZ. | 2023-04-11T07:26:02.83 | 3.0 | undecidable | manual | Pg | 16.809999 | 0 | |||
IV.AIO.HHZ. | 2023-04-11T07:25:56.51 | 3.0 | undecidable | manual | Pn | 6.7 | 0 | |||
IV.IVPL.HHZ. | 2023-04-11T07:25:52.62 | 3.0 | positive | manual | Pg | 8.96 | 0 | |||
7C.SPAOL.HNZ. | 2023-04-11T07:25:52.56 | 3.0 | negative | manual | Pn | -2.17 | 0 | |||
IV.MCRV.HHZ. | 2023-04-11T07:25:50.45 | 3.0 | undecidable | manual | Sn | -0.39 | 0 | |||
IV.TDS.HHZ. | 2023-04-11T07:25:47.22 | 3.0 | undecidable | manual | Pg | 12.13 | 0 | |||
IV.TOLF.HHZ. | 2023-04-11T07:25:06.64 | 3.0 | undecidable | manual | S | -1.27 | 0 | |||
IV.CIGN.HHZ. | 2023-04-11T07:25:06.47 | 3.0 | undecidable | manual | Pn | 1.57 | 0 | |||
IV.LRP.EHZ. | 2023-04-11T07:24:57.58 | 3.0 | positive | manual | P | 1.04 | 0 | |||
IV.TOLF.HHZ. | 2023-04-11T07:24:51.32 | 3.0 | undecidable | manual | P | 0.05 | 0 | |||
IV.MURB.HHE. | 2023-04-11T07:24:38.38 | 0.3 | undecidable | manual | P | 332 | 44.622 | 91 | -0.19 | 94 |
IV.SNTG.HHZ. | 2023-04-11T07:24:38.11 | 0.3 | undecidable | manual | P | 18 | 40.626 | 91 | 0.33 | 92 |
IV.CESX.HHN. | 2023-04-11T07:24:37.58 | 0.6 | undecidable | manual | P | 206 | 36.741 | 91 | 0.57 | 58 |
IV.CSP1.EHZ. | 2023-04-11T07:24:37.14 | 0.3 | undecidable | manual | P | 59 | 40.0266 | 91 | -0.51 | 88 |
IV.ATCC.HNZ. | 2023-04-11T07:24:36.08 | 0.6 | undecidable | manual | P | 340 | 32.8449 | 91 | -0.14 | 64 |
IV.MML1.EHZ. | 2023-04-11T07:24:35.18 | 0.3 | undecidable | manual | P | 34 | 27.5502 | 91 | 0.01 | 100 |
IV.FDMO.HHZ. | 2023-04-11T07:24:35.46 | 0.3 | undecidable | manual | P | 60 | 28.6491 | 91 | 0.08 | 99 |
IV.NRCA.HHZ. | 2023-04-11T07:24:35.25 | 0.3 | undecidable | manual | P | 107 | 28.2495 | 91 | -0.06 | 99 |
IV.GAVE.HNE. | 2023-04-11T07:24:34.52 | 0.3 | undecidable | manual | P | 159 | 25.5522 | 91 | -0.25 | 96 |
IV.CESI.HHZ. | 2023-04-11T07:24:33.07 | 0.3 | undecidable | manual | P | 43 | 14.7741 | 92 | 0.48 | 93 |
IV.ASSB.HHZ. | 2023-04-11T07:24:33.09 | 0.3 | undecidable | manual | P | 326 | 17.9709 | 92 | -0.15 | 99 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.CESI.HHE. | ML:0.9 | 0.0000911 | 0.36 | AML | other | m | 2023-04-11T07:24:37.42 |
IV.ASSB.HHE. | ML:1.1 | 0.0001225 | 0.38 | AML | other | m | 2023-04-11T07:24:38.99 |
IV.ASSB.HHN. | ML:1.1 | 0.0001235 | 0.8 | AML | other | m | 2023-04-11T07:24:39.42 |
IV.CESI.HHN. | ML:1.1 | 0.00013955 | 0.74 | AML | other | m | 2023-04-11T07:24:39.40 |
IV.NRCA.HHE. | ML:0.9 | 0.0000461 | 1.46 | AML | other | m | 2023-04-11T07:24:41.15 |
IV.MML1.EHN. | ML:0.8 | 0.0000391 | 0.24 | AML | other | m | 2023-04-11T07:24:41.44 |
IV.NRCA.HHN. | ML:1.0 | 0.000055150000000000006 | 0.84 | AML | other | m | 2023-04-11T07:24:42.19 |
IV.FDMO.HHN. | ML:1.2 | 0.0000807 | 0.26 | AML | other | m | 2023-04-11T07:24:42.22 |
IV.FDMO.HHE. | ML:1.1 | 0.0000774 | 0.94 | AML | other | m | 2023-04-11T07:24:42.73 |
IV.MML1.EHE. | ML:1.0 | 0.000053849999999999994 | 0.26 | AML | other | m | 2023-04-11T07:24:43.39 |
IV.TOLF.HHN. | ML:1.4 | 0.000018950000000000003 | 1.2 | AML | other | m | 2023-04-11T07:24:52.90 |
IV.TOLF.HHE. | ML:1.5 | 0.0000247 | 1.28 | AML | other | m | 2023-04-11T07:25:15.67 |