A magnitude ML 1.2 (quarry blast) earthquake occured in region: 7 km S Umbertide (PG), on
and geographic coordinates (lat, lon) 43.2450, 12.3180 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 |
---|---|---|---|---|
Umbertide | PG | 7 | 16681 | 16681 |
Corciano | PG | 13 | 21332 | 38013 |
Montone | PG | 13 | 1680 | 39693 |
Lisciano Niccone | PG | 14 | 613 | 40306 |
Magione | PG | 15 | 14865 | 55171 |
Passignano sul Trasimeno | PG | 16 | 5746 | 60917 |
Perugia | PG | 16 | 166134 | 227051 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
ML 1.2 | 2021-02-24 12:16:46 |
43.2452 | 12.3182 | 1 | 2021-07-12 16:55:17 |
Bollettino Sismico Italiano INGV | 92261181 |
Reviewed Rev100 |
ML 1.4 | 2021-02-24 12:16:47 |
43.2435 | 12.3168 | 3 | 2021-02-24 12:32:39 |
Sala Sismica INGV-Roma | 87449931 |
Field | Value |
---|---|
Time (UTC) | 2021-02-24 12:16:46 ± 0.11 |
Latitude | 43.2452 ± 0.0063 |
Longitude | 12.3182 ± 0.0086 |
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 | 92261181 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 730 |
Semi-minor axis of confidence ellipse (meter) | 630 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 330 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 730.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 121 |
Number of associated phases, regardless of their use for origin computation | 22 |
Number of defining phases | 10 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.2 |
Epicentral distance of station closest to the epicenter (degree) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 0.36512 |
Number of stations at which the event was observed | 21 |
Number of stations from which data was used for origin computation | 10 |
Field | Value |
---|---|
Value | 1.2 |
Uncertainty | 0.1 |
Num. used stations | 4 |
Type of magnitude | ML |
Reference to an origin | 92261181 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2021-07-05 10:10:43 |
Field | Value |
---|---|
Value | 1.4 |
Uncertainty | 0.4 |
Num. used stations | 6 |
Type of magnitude | ML |
Reference to an origin | 87449931 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2021-02-24 12:32:39 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IX.STN3.HNZ.01 | 2021-02-24T12:18:35.15 | 3.0 | undecidable | manual | Sg | 13.68 | 0 | |||
IV.PTRJ.HHZ. | 2021-02-24T12:18:02.97 | 3.0 | undecidable | manual | Sg | 10.59 | 0 | |||
IV.SELL.HHZ. | 2021-02-24T12:17:58.90 | 3.0 | positive | manual | Pn | -2.82 | 0 | |||
IV.LPEL.HHZ. | 2021-02-24T12:17:34.21 | 3.0 | undecidable | manual | Sn | -2.15 | 0 | |||
IV.VVLD.HHZ. | 2021-02-24T12:17:34.16 | 3.0 | undecidable | manual | Sg | 1.96 | 0 | |||
SL.LJU.BHZ. | 2021-02-24T12:17:33.62 | 3.0 | undecidable | manual | Pn | 0.32 | 0 | |||
IV.SARZ.HHZ. | 2021-02-24T12:17:27.87 | 3.0 | negative | manual | Pn | 0.13 | 0 | |||
IV.NDIM.HHZ. | 2021-02-24T12:17:17.17 | 3.0 | negative | manual | Pg | 2.65 | 0 | |||
IV.FIR.HHZ. | 2021-02-24T12:17:14.73 | 3.0 | undecidable | manual | Sn | 1.83 | 0 | |||
IV.SFI.EHZ. | 2021-02-24T12:17:09.40 | 3.0 | undecidable | manual | Sn | -0.06 | 0 | |||
IV.VVLD.HHZ. | 2021-02-24T12:17:06.83 | 3.0 | undecidable | manual | Pn | -4.29 | 0 | |||
IV.RIBO.EHZ.01 | 2021-02-24T12:16:58.84 | 3.0 | negative | manual | P | -1.09 | 0 | |||
IV.MGAB.HHZ. | 2021-02-24T12:16:54.70 | 0.3 | undecidable | manual | P | 204 | 40.5261 | 91 | -0.18 | 71 |
IV.ATMC.EHN. | 2021-02-24T12:16:52.09 | 0.6 | undecidable | manual | P | 336 | 24.5532 | 91 | 0.4 | 46 |
IV.ATPC.HHZ. | 2021-02-24T12:16:52.38 | 0.6 | undecidable | manual | P | 23 | 28.4493 | 91 | -0.08 | 49 |
IV.CAFI.HHZ. | 2021-02-24T12:16:52.99 | 0.3 | undecidable | manual | P | 288 | 29.9478 | 91 | 0.23 | 72 |
IV.ATVO.HHZ. | 2021-02-24T12:16:50.13 | 0.3 | undecidable | manual | P | 25 | 16.7721 | 92 | 0 | 77 |
IV.MURB.HHZ. | 2021-02-24T12:16:50.45 | 0.3 | undecidable | manual | P | 83 | 16.7721 | 92 | 0.32 | 72 |
IV.ATLO.EHE. | 2021-02-24T12:16:48.67 | 0.3 | undecidable | manual | P | 43 | 10.5783 | 93 | -0.22 | 74 |
IT.UMBT.HGZ. | 2021-02-24T12:16:48.03 | 0.3 | undecidable | manual | P | 17 | 6.8931 | 94 | -0.11 | 76 |
IV.ATMI.HHZ. | 2021-02-24T12:16:48.98 | 0.3 | undecidable | manual | P | 338 | 10.6782 | 93 | 0.07 | 76 |
IV.ATVA.EHE. | 2021-02-24T12:16:47.47 | 0.1 | undecidable | manual | P | 324 | 4.5954 | 96 | -0.22 | 100 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.MURB.HHE. | ML:1.2 | 0.0001485 | 0.22 | AML | other | m | 2021-02-24T12:16:54.40 |
IV.ATMI.HHN. | ML:1.2 | 0.000311 | 0.7 | AML | other | m | 2021-02-24T12:16:54.42 |
IV.MURB.HHN. | ML:1.2 | 0.0001555 | 1.06 | AML | other | m | 2021-02-24T12:16:56.55 |
IV.ATMI.HHE. | ML:1.3 | 0.000354 | 0.4 | AML | other | m | 2021-02-24T12:16:57.08 |