A magnitude ML 1.3 (quarry blast) earthquake occured in region: 2 km N Trevi (PG), on
and geographic coordinates (lat, lon) 42.8990, 12.7500 at 10 km depth.
The earthquake was located by: Sala Sismica INGV-Roma.
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 | 2 | 8469 | 8469 |
Foligno | PG | 7 | 57155 | 65624 |
Montefalco | PG | 8 | 5679 | 71303 |
Campello sul Clitunno | PG | 9 | 2442 | 73745 |
Castel Ritaldi | PG | 10 | 3278 | 77023 |
Bevagna | PG | 12 | 5081 | 82104 |
Spello | PG | 12 | 8645 | 90749 |
Sellano | PG | 15 | 1079 | 91828 |
Giano dell'Umbria | PG | 16 | 3846 | 95674 |
Gualdo Cattaneo | PG | 16 | 6155 | 101829 |
Cerreto di Spoleto | PG | 16 | 1075 | 102904 |
Vallo di Nera | PG | 17 | 364 | 103268 |
Cannara | PG | 17 | 4305 | 107573 |
Valtopina | PG | 18 | 1398 | 108971 |
Spoleto | PG | 18 | 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 |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 1.3 | 2023-05-04 07:04:36 |
42.8993 | 12.7497 | 10 | 2023-05-04 07:54:56 |
Sala Sismica INGV-Roma | 117012331 |
Field | Value |
---|---|
Time (UTC) | 2023-05-04 07:04:36 ± 0.1 |
Latitude | 42.8993 ± 0.0045 |
Longitude | 12.7497 ± 0.0086 |
Depth (km) | 10 ± 1 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 100 -> SURVEY-INGV |
Event type | quarry blast |
Origin ID | 117012331 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 614 |
Semi-minor axis of confidence ellipse (meter) | 418 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 278 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 610.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 101 |
Number of associated phases, regardless of their use for origin computation | 13 |
Number of defining phases | 13 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.22 |
Epicentral distance of station closest to the epicenter (degree) | 0.15468 |
Epicentral distance of station farthest from the epicenter (degree) | 0.36512 |
Number of stations at which the event was observed | 7 |
Number of stations from which data was used for origin computation | 7 |
Field | Value |
---|---|
Value | 1.3 |
Uncertainty | 0.2 |
Num. used stations | 14 |
Type of magnitude | ML |
Reference to an origin | 117012331 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2023-05-04 07:54:56 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.FDMO.HHZ. | 2023-05-04T07:04:48.08 | 0.3 | undecidable | manual | S | 61 | 31.3464 | 50 | 0.22 | 73 |
IV.MML1.EHZ. | 2023-05-04T07:04:47.72 | 0.3 | undecidable | manual | S | 37 | 29.8479 | 50 | 0.27 | 72 |
IV.GAVE.HNN. | 2023-05-04T07:04:46.62 | 0.6 | undecidable | manual | S | 153 | 25.8519 | 110 | 0.35 | 48 |
IV.MOMA.HHZ. | 2023-05-04T07:04:44.21 | 0.6 | undecidable | manual | S | 234 | 18.0708 | 118 | 0.41 | 48 |
IV.LNSS.HNE. | 2023-05-04T07:04:44.28 | 0.1 | undecidable | manual | P | 144 | 40.5261 | 50 | -0.28 | 94 |
IV.ASSB.HHZ. | 2023-05-04T07:04:43.57 | 0.6 | undecidable | manual | S | 335 | 17.5713 | 119 | -0.07 | 51 |
IV.CESI.HHZ. | 2023-05-04T07:04:43.71 | 0.3 | undecidable | manual | S | 47 | 17.1717 | 119 | 0.17 | 75 |
IV.FDMO.HHZ. | 2023-05-04T07:04:42.83 | 1.0 | positive | manual | P | 61 | 31.3464 | 50 | -0.32 | 24 |
IV.GAVE.HNN. | 2023-05-04T07:04:42.03 | 0.1 | undecidable | manual | P | 153 | 25.8519 | 110 | -0.2 | 98 |
IV.MML1.EHZ. | 2023-05-04T07:04:42.74 | 1.0 | negative | manual | P | 37 | 29.8479 | 50 | -0.17 | 25 |
IV.CESI.HHZ. | 2023-05-04T07:04:40.47 | 0.1 | undecidable | manual | P | 47 | 17.1717 | 119 | -0.18 | 100 |
IV.ASSB.HHZ. | 2023-05-04T07:04:40.44 | 0.6 | positive | manual | P | 335 | 17.5713 | 119 | -0.27 | 49 |
IV.MOMA.HHZ. | 2023-05-04T07:04:40.96 | 0.6 | undecidable | manual | P | 234 | 18.0708 | 118 | 0.16 | 50 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.MOMA.HHE. | ML:1.3 | 0.00014850000000000003 | 0.36 | AML | other | m | 2023-05-04T07:04:45.12 |
IV.MOMA.HNE. | ML:1.4 | 0.00020150000000000002 | 0.94 | AML | other | m | 2023-05-04T07:04:45.12 |
IV.ASSB.HHE. | ML:1.3 | 0.00016949999999999997 | 1.4 | AML | other | m | 2023-05-04T07:04:45.84 |
IV.CESI.HHE. | ML:1.0 | 0.00009655 | 1.52 | AML | other | m | 2023-05-04T07:04:45.13 |
IV.ASSB.HHN. | ML:1.3 | 0.000163 | 0.38 | AML | other | m | 2023-05-04T07:04:46.20 |
IV.CESI.HHN. | ML:1.3 | 0.000187 | 0.32 | AML | other | m | 2023-05-04T07:04:47.77 |
IV.MOMA.HHN. | ML:0.9 | 0.00006809999999999999 | 0.4 | AML | other | m | 2023-05-04T07:04:48.76 |
IV.MOMA.HNN. | ML:1.4 | 0.00021250000000000002 | 0.62 | AML | other | m | 2023-05-04T07:04:49.48 |
IV.FDMO.HHN. | ML:1.4 | 0.0001095 | 0.3 | AML | other | m | 2023-05-04T07:04:49.30 |
IV.MML1.EHE. | ML:1.0 | 0.00005665 | 1.52 | AML | other | m | 2023-05-04T07:04:50.17 |
IV.MML1.EHN. | ML:1.0 | 0.00004515 | 0.32 | AML | other | m | 2023-05-04T07:04:51.48 |
IV.FDMO.HHE. | ML:1.1 | 0.00006120000000000001 | 0.56 | AML | other | m | 2023-05-04T07:04:51.86 |
IV.GUMA.HHE. | ML:1.7 | 0.0001275 | 0.42 | AML | other | m | 2023-05-04T07:04:57.14 |
IV.GUMA.HHN. | ML:1.6 | 0.0001028 | 0.52 | AML | other | m | 2023-05-04T07:04:58.88 |