A magnitude ML 0.7 (quarry blast) earthquake occured in region: 4 km E Trevi (PG), on
and geographic coordinates (lat, lon) 42.8760, 12.8030 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 |
Campello sul Clitunno | PG | 7 | 2442 | 10911 |
Sellano | PG | 10 | 1079 | 11990 |
Cerreto di Spoleto | PG | 11 | 1075 | 13065 |
Castel Ritaldi | PG | 12 | 3278 | 16343 |
Foligno | PG | 12 | 57155 | 73498 |
Montefalco | PG | 12 | 5679 | 79177 |
Vallo di Nera | PG | 13 | 364 | 79541 |
Sant'Anatolia di Narco | PG | 16 | 564 | 80105 |
Spoleto | PG | 17 | 38218 | 118323 |
Spello | PG | 17 | 8645 | 126968 |
Bevagna | PG | 17 | 5081 | 132049 |
Scheggino | PG | 18 | 461 | 132510 |
Giano dell'Umbria | PG | 19 | 3846 | 136356 |
Preci | PG | 19 | 724 | 137080 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
Md 1.3
ML 0.7 |
2023-01-30 09:31:26 |
42.8762 | 12.8027 | 1 | 2024-03-01 17:18:14 |
Bollettino Sismico Italiano INGV | 119996891 |
Reviewed Rev100 |
Md 1.3
ML 0.9 |
2023-01-30 09:31:26 |
42.8698 | 12.7835 | 9 | 2023-01-30 09:57:40 |
Sala Sismica INGV-Roma | 113906801 |
Field | Value |
---|---|
Time (UTC) | 2023-01-30 09:31:26 ± 0.47 |
Latitude | 42.8762 ± 0.0333 |
Longitude | 12.8027 ± 0.0331 |
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 | 119996891 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 3870 |
Semi-minor axis of confidence ellipse (meter) | 2430 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 338 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 3870.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 143 |
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) | 0.75 |
Epicentral distance of station closest to the epicenter (degree) | 0.14839 |
Epicentral distance of station farthest from the epicenter (degree) | 0.65021 |
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 | 0.9 |
Uncertainty | 0.4 |
Num. used stations | 8 |
Type of magnitude | ML |
Reference to an origin | 113906801 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2023-01-30 09:57:40 |
Field | Value |
---|---|
Value | 0.7 |
Uncertainty | 0.2 |
Num. used stations | 6 |
Type of magnitude | ML |
Reference to an origin | 119996891 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2023-08-10 10:25:17 |
Field | Value |
---|---|
Value | 1.3 |
Uncertainty | 0.6 |
Num. used stations | 2 |
Type of magnitude | Md |
Reference to an origin | 119996891 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2023-08-10 10:25:17 |
Field | Value |
---|---|
Value | 1.3 |
Uncertainty | 0.6 |
Num. used stations | 2 |
Type of magnitude | Md |
Reference to an origin | 113906801 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2023-01-30 09:57:40 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.FIAM.HHZ. | 2023-01-30T09:31:39.31 | 0.1 | undecidable | manual | P | 159 | 72.1722 | 50 | -1.41 | 55 |
IV.MF5.EHZ. | 2023-01-30T09:31:36.59 | 0.1 | undecidable | manual | P | 77 | 54.8007 | 91 | -1.21 | 64 |
IV.CSP1.EHZ. | 2023-01-30T09:31:35.04 | 1.0 | negative | manual | P | 54 | 40.4262 | 91 | 0.11 | 24 |
IV.LNSS.HNN. | 2023-01-30T09:31:34.55 | 0.1 | undecidable | manual | P | 147 | 35.9418 | 91 | 0.52 | 89 |
IV.FDMO.HHZ. | 2023-01-30T09:31:33.11 | 1.0 | positive | manual | P | 52 | 29.1486 | 91 | 0.44 | 23 |
IV.NRCA.HHZ. | 2023-01-30T09:31:32.86 | 0.1 | undecidable | manual | P | 100 | 25.752 | 91 | 0.87 | 79 |
IV.MOMA.HHZ. | 2023-01-30T09:31:31.08 | 0.1 | undecidable | manual | P | 247 | 20.5683 | 91 | 0.14 | 100 |
IV.CESI.HHZ. | 2023-01-30T09:31:30.69 | 1.0 | undecidable | manual | P | 30 | 16.4724 | 92 | 0.56 | 23 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.CESI.HHN. | ML:0.8 | 0.000076254945 | 0.2432 | AML | other | m | 2023-01-30T09:31:34.86 |
IV.MOMA.HHN. | ML:0.7 | 0.0000451 | 0.6 | AML | other | m | 2023-01-30T09:31:37.04 |
IV.MOMA.HHE. | ML:0.9 | 0.00005775 | 0.64 | AML | other | m | 2023-01-30T09:31:37.62 |
IV.CESI.HHE. | ML:0.4 | 0.00002856063 | 0.2752 | AML | other | m | 2023-01-30T09:31:38.36 |
IV.FDMO.HHE. | ML:0.8 | 0.000029999999999999997 | 0.88 | AML | other | m | 2023-01-30T09:31:40.40 |
IV.FDMO.HHN. | ML:0.8 | 0.00002938 | 1.5 | AML | other | m | 2023-01-30T09:31:40.75 |