A magnitude ML 1.2 (quarry blast) earthquake occured in region: 2 km NE Trevi (PG), on
and geographic coordinates (lat, lon) 42.8910, 12.7730 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 | 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 |
Cerreto di Spoleto | PG | 14 | 1075 | 87822 |
Bevagna | PG | 14 | 5081 | 92903 |
Vallo di Nera | PG | 15 | 364 | 93267 |
Giano dell'Umbria | PG | 17 | 3846 | 97113 |
Spoleto | PG | 18 | 38218 | 135331 |
Gualdo Cattaneo | PG | 18 | 6155 | 141486 |
Sant'Anatolia di Narco | PG | 18 | 564 | 142050 |
Valtopina | PG | 19 | 1398 | 143448 |
Cannara | PG | 19 | 4305 | 147753 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
ML 1.2 | 2023-04-26 07:02:12 |
42.8907 | 12.7732 | 1 | 2024-03-01 17:18:20 |
Bollettino Sismico Italiano INGV | 124990851 |
Reviewed Rev100 |
ML 1.2 | 2023-04-26 07:02:12 |
42.8933 | 12.7622 | 9 | 2023-04-26 07:27:43 |
Sala Sismica INGV-Roma | 116761711 |
Field | Value |
---|---|
Time (UTC) | 2023-04-26 07:02:12 ± 0.11 |
Latitude | 42.8907 ± 0.0072 |
Longitude | 12.7732 ± 0.0098 |
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 | 124990851 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 810 |
Semi-minor axis of confidence ellipse (meter) | 710 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 320 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 810.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 94 |
Number of associated phases, regardless of their use for origin computation | 8 |
Number of defining phases | 8 |
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) | 0.14929 |
Epicentral distance of station farthest from the epicenter (degree) | 0.37412 |
Number of stations at which the event was observed | 8 |
Number of stations from which data was used for origin computation | 8 |
Field | Value |
---|---|
Value | 1.2 |
Uncertainty | 0.2 |
Num. used stations | 10 |
Type of magnitude | ML |
Reference to an origin | 124990851 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2024-02-02 13:57:18 |
Field | Value |
---|---|
Value | 1.2 |
Uncertainty | 0.2 |
Num. used stations | 10 |
Type of magnitude | ML |
Reference to an origin | 116761711 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2023-04-26 07:27:43 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.CSP1.EHZ. | 2023-04-26T07:02:20.16 | 0.3 | undecidable | manual | P | 57 | 41.5251 | 91 | -0.3 | 92 |
IV.LNSS.HHZ. | 2023-04-26T07:02:19.71 | 0.3 | undecidable | manual | P | 146 | 38.628 | 91 | -0.17 | 95 |
IV.FDMO.HHZ. | 2023-04-26T07:02:18.24 | 0.3 | undecidable | manual | P | 58 | 30.2475 | 91 | 0.05 | 99 |
IV.NRCA.HHZ. | 2023-04-26T07:02:18.00 | 0.3 | undecidable | manual | P | 103 | 28.4493 | 91 | 0.16 | 97 |
IV.MML1.EHE. | 2023-04-26T07:02:17.90 | 0.3 | undecidable | manual | P | 33 | 29.5482 | 91 | -0.15 | 97 |
IV.MOMA.HHZ. | 2023-04-26T07:02:16.08 | 0.3 | undecidable | manual | P | 240 | 19.1697 | 91 | 0.11 | 100 |
IV.ASSB.HHZ. | 2023-04-26T07:02:15.88 | 0.3 | undecidable | manual | P | 331 | 19.2696 | 91 | -0.12 | 100 |
IV.CESI.HHZ. | 2023-04-26T07:02:15.88 | 0.3 | undecidable | manual | P | 40 | 16.5723 | 92 | 0.42 | 94 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.ASSB.HHE. | ML:1.3 | 0.00019250000000000002 | 0.38 | AML | other | m | 2023-04-26T07:02:20.60 |
IV.CESI.HHE. | ML:1.1 | 0.00012054999999999999 | 0.34 | AML | other | m | 2023-04-26T07:02:21.38 |
IV.ASSB.HHN. | ML:1.4 | 0.000203 | 0.38 | AML | other | m | 2023-04-26T07:02:21.84 |
IV.MOMA.HHE. | ML:1.2 | 0.00014500000000000003 | 0.34 | AML | other | m | 2023-04-26T07:02:23.07 |
IV.CESI.HHN. | ML:1.3 | 0.00020649999999999998 | 0.34 | AML | other | m | 2023-04-26T07:02:23.23 |
IV.NRCA.HHN. | ML:1.0 | 0.00006235 | 0.36 | AML | other | m | 2023-04-26T07:02:24.34 |
IV.MOMA.HHN. | ML:0.9 | 0.00006819999999999999 | 0.4 | AML | other | m | 2023-04-26T07:02:24.22 |
IV.NRCA.HHE. | ML:1.0 | 0.00005475 | 0.36 | AML | other | m | 2023-04-26T07:02:24.59 |
IV.FDMO.HHN. | ML:1.3 | 0.00009685000000000001 | 0.34 | AML | other | m | 2023-04-26T07:02:24.60 |
IV.FDMO.HHE. | ML:1.2 | 0.00008149999999999999 | 0.4 | AML | other | m | 2023-04-26T07:02:24.60 |