A magnitude ML 1.0 (quarry blast) earthquake occured in region: 3 km NE Trevi (PG), on
and geographic coordinates (lat, lon) 42.8970, 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.
Municipality | Region | Distance (km) | Inhabitants | Cumulative Inhabitants |
---|---|---|---|---|
Trevi | PG | 3 | 8469 | 8469 |
Campello sul Clitunno | PG | 9 | 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 | 13 | 8645 | 86747 |
Bevagna | PG | 14 | 5081 | 91828 |
Cerreto di Spoleto | PG | 15 | 1075 | 92903 |
Vallo di Nera | PG | 16 | 364 | 93267 |
Giano dell'Umbria | PG | 17 | 3846 | 97113 |
Gualdo Cattaneo | PG | 17 | 6155 | 103268 |
Valtopina | PG | 18 | 1398 | 104666 |
Spoleto | PG | 18 | 38218 | 142884 |
Cannara | PG | 19 | 4305 | 147189 |
Sant'Anatolia di Narco | PG | 19 | 564 | 147753 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
ML 1.0 | 2023-03-21 07:15:49 |
42.8972 | 12.7697 | 1 | 2024-03-01 17:18:19 |
Bollettino Sismico Italiano INGV | 124161201 |
Reviewed Rev100 |
ML 1.1 | 2023-03-21 07:15:48 |
42.8968 | 12.7615 | 8 | 2023-03-21 07:29:34 |
Sala Sismica INGV-Roma | 115586641 |
Field | Value |
---|---|
Time (UTC) | 2023-03-21 07:15:49 ± 0.15 |
Latitude | 42.8972 ± 0.0081 |
Longitude | 12.7697 ± 0.0135 |
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 | 124161201 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 1180 |
Semi-minor axis of confidence ellipse (meter) | 830 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 303 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 1180.0 |
Confidence level of the uncertainty (%) | 68 |
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 | 7 |
Number of defining phases | 7 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.25 |
Epicentral distance of station closest to the epicenter (degree) | 0.14569 |
Epicentral distance of station farthest from the epicenter (degree) | 0.37322 |
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 | 1.0 |
Uncertainty | 0.1 |
Num. used stations | 6 |
Type of magnitude | ML |
Reference to an origin | 124161201 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2023-12-20 12:30:50 |
Field | Value |
---|---|
Value | 1.1 |
Uncertainty | 0.1 |
Num. used stations | 6 |
Type of magnitude | ML |
Reference to an origin | 115586641 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2023-03-21 07:29:34 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.CSP1.EHZ. | 2023-03-21T07:15:57.62 | 0.3 | undecidable | manual | P | 58 | 41.4252 | 91 | 0.31 | 92 |
IV.GAVE.EHE. | 2023-03-21T07:15:54.04 | 0.3 | undecidable | manual | P | 156 | 24.8529 | 91 | 0.04 | 100 |
IV.MML1.EHZ. | 2023-03-21T07:15:54.81 | 0.3 | undecidable | manual | P | 34 | 29.0487 | 91 | -0.03 | 99 |
IV.FDMO.HHZ. | 2023-03-21T07:15:54.54 | 0.3 | undecidable | manual | P | 59 | 30.0477 | 91 | -0.5 | 90 |
IV.CESI.HHZ. | 2023-03-21T07:15:52.45 | 0.3 | undecidable | manual | P | 42 | 16.1727 | 92 | 0.18 | 99 |
IV.ASSB.HHZ. | 2023-03-21T07:15:52.71 | 0.6 | undecidable | manual | P | 331 | 18.4704 | 92 | -0.01 | 68 |
IV.MOMA.HHZ. | 2023-03-21T07:15:52.84 | 0.6 | undecidable | manual | P | 238 | 19.2696 | 91 | -0.03 | 67 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.ASSB.HHE. | ML:1.1 | 0.00011344999999999999 | 0.26 | AML | other | m | 2023-03-21T07:15:56.39 |
IV.ASSB.HHN. | ML:1.0 | 0.0000911 | 1.78 | AML | other | m | 2023-03-21T07:15:57.90 |
IV.CESI.HHN. | ML:1.2 | 0.00015949999999999997 | 0.42 | AML | other | m | 2023-03-21T07:15:57.13 |
IV.CESI.HHE. | ML:0.8 | 0.00007145 | 0.42 | AML | other | m | 2023-03-21T07:15:58.74 |
IV.FDMO.HHN. | ML:1.1 | 0.00005915 | 1.04 | AML | other | m | 2023-03-21T07:16:01.77 |
IV.FDMO.HHE. | ML:0.9 | 0.0000424 | 1.04 | AML | other | m | 2023-03-21T07:16:02.83 |