A magnitude ML 1.3 (quarry blast) earthquake occured in region: 6 km W Manfredonia (FG), on
and geographic coordinates (lat, lon) 41.6390, 15.8460 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 |
---|---|---|---|---|
Manfredonia | FG | 6 | 57279 | 57279 |
Monte Sant'Angelo | FG | 12 | 12657 | 69936 |
San Giovanni Rotondo | FG | 13 | 27184 | 97120 |
Mattinata | FG | 19 | 6310 | 103430 |
San Marco in Lamis | FG | 19 | 13831 | 117261 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
ML 1.3 | 2021-02-24 11:03:26 |
41.6388 | 15.8455 | 1 | 2021-07-12 16:54:59 |
Bollettino Sismico Italiano INGV | 87456771 |
Reviewed Rev100 |
ML 1.8 | 2021-02-24 11:03:24 |
41.5663 | 15.9345 | 12 | 2021-02-24 11:12:03 |
Sala Sismica INGV-Roma | 87447031 |
Field | Value |
---|---|
Time (UTC) | 2021-02-24 11:03:26 ± 0.12 |
Latitude | 41.6388 ± 0.0090 |
Longitude | 15.8455 ± 0.0060 |
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 | 87456771 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 990 |
Semi-minor axis of confidence ellipse (meter) | 510 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 359 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 990.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 162 |
Number of associated phases, regardless of their use for origin computation | 9 |
Number of defining phases | 8 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.18 |
Epicentral distance of station closest to the epicenter (degree) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 0.25451 |
Number of stations at which the event was observed | 9 |
Number of stations from which data was used for origin computation | 8 |
Field | Value |
---|---|
Value | 1.3 |
Uncertainty | 0.0 |
Num. used stations | 2 |
Type of magnitude | ML |
Reference to an origin | 87456771 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2021-02-25 12:23:36 |
Field | Value |
---|---|
Value | 1.8 |
Uncertainty | 0.5 |
Num. used stations | 10 |
Type of magnitude | ML |
Reference to an origin | 87447031 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2021-02-24 11:12:03 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.MTMR.EHZ. | 2021-02-24T11:03:38.34 | 3.0 | undecidable | manual | P | 0.19 | 0 | |||
IV.APRC.HHZ. | 2021-02-24T11:03:32.28 | 0.3 | undecidable | manual | P | 298 | 28.2495 | 91 | 0.03 | 74 |
OT.OT04.EHN. | 2021-02-24T11:03:31.36 | 0.3 | undecidable | manual | P | 292 | 23.6541 | 91 | 0.03 | 74 |
OT.OT05.EHZ. | 2021-02-24T11:03:30.20 | 0.6 | undecidable | manual | P | 276 | 20.2686 | 91 | -0.44 | 46 |
OT.OT03.EHZ. | 2021-02-24T11:03:30.20 | 0.3 | undecidable | manual | P | 297 | 18.1707 | 92 | -0.02 | 75 |
IV.SGRT.HHZ. | 2021-02-24T11:03:29.60 | 0.1 | undecidable | manual | P | 327 | 15.3735 | 92 | -0.06 | 100 |
OT.OT07.EHZ. | 2021-02-24T11:03:29.00 | 0.3 | undecidable | manual | P | 260 | 10.6782 | 93 | 0.28 | 72 |
IV.MSAG.HHZ. | 2021-02-24T11:03:28.64 | 0.1 | undecidable | manual | P | 33 | 9.6792 | 93 | 0.11 | 100 |
OT.OT12.EHZ. | 2021-02-24T11:03:27.54 | 0.3 | undecidable | manual | P | 98 | 5.1948 | 95 | -0.09 | 76 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.MSAG.HNN. | ML:1.5 | 0.0006305000000000001 | 0.58 | AML | other | m | 2021-02-24T11:03:32.55 |
IV.MSAG.HNE. | ML:1.1 | 0.0002235 | 0.56 | AML | other | m | 2021-02-24T11:03:32.84 |
IV.MSAG.HHN. | ML:1.2 | 0.000266 | 0.58 | AML | other | m | 2021-02-24T11:03:32.84 |
IV.SGRT.HHN. | ML:1.3 | 0.0002415 | 1.28 | AML | other | m | 2021-02-24T11:03:34.35 |
IV.SGRT.HHE. | ML:1.3 | 0.0002385 | 0.18 | AML | other | m | 2021-02-24T11:03:34.48 |
IV.MSAG.HHE. | ML:0.6 | 0.0000776 | 0.16 | AML | other | m | 2021-02-24T11:03:34.87 |