A magnitude ML 1.2 (quarry blast) earthquake occured in region: 10 km W Manfredonia (FG), on
and geographic coordinates (lat, lon) 41.6230, 15.8020 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 | 10 | 57279 | 57279 |
San Giovanni Rotondo | FG | 11 | 27184 | 84463 |
Monte Sant'Angelo | FG | 16 | 12657 | 97120 |
San Marco in Lamis | FG | 17 | 13831 | 110951 |
Rignano Garganico | FG | 19 | 2117 | 113068 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
ML 1.2 | 2021-04-26 09:40:53 |
41.6227 | 15.8015 | 1 | 2021-07-12 16:55:15 |
Bollettino Sismico Italiano INGV | 91456301 |
Reviewed Rev100 |
ML 1.4 | 2021-04-26 09:40:52 |
41.5993 | 15.8102 | 10 | 2021-04-26 09:49:24 |
Sala Sismica INGV-Roma | 89488261 |
Field | Value |
---|---|
Time (UTC) | 2021-04-26 09:40:53 ± 0.19 |
Latitude | 41.6227 ± 0.0135 |
Longitude | 15.8015 ± 0.0084 |
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 | 91456301 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 1540 |
Semi-minor axis of confidence ellipse (meter) | 660 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 355 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 1540.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 186 |
Number of associated phases, regardless of their use for origin computation | 10 |
Number of defining phases | 8 |
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) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 0.23562 |
Number of stations at which the event was observed | 10 |
Number of stations from which data was used for origin computation | 8 |
Field | Value |
---|---|
Value | 1.4 |
Uncertainty | 0.4 |
Num. used stations | 4 |
Type of magnitude | ML |
Reference to an origin | 89488261 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2021-04-26 09:49:24 |
Field | Value |
---|---|
Value | 1.2 |
Uncertainty | 0.3 |
Num. used stations | 6 |
Type of magnitude | ML |
Reference to an origin | 91456301 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2021-06-26 00:09:33 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.MRVN.HHZ. | 2021-04-26T09:41:17.90 | 3.0 | undecidable | manual | P | 1.252 | 0 | |||
IV.MCRV.HHZ. | 2021-04-26T09:41:13.90 | 3.0 | undecidable | manual | P | 2.8 | 0 | |||
IV.APRC.HHE. | 2021-04-26T09:40:58.76 | 0.3 | undecidable | manual | P | 305 | 26.1516 | 91 | -0.27 | 70 |
OT.OT04.EHE. | 2021-04-26T09:40:57.75 | 0.1 | undecidable | manual | P | 301 | 21.2676 | 91 | -0.31 | 94 |
OT.OT05.EHE. | 2021-04-26T09:40:57.17 | 0.1 | undecidable | manual | P | 284 | 16.9719 | 92 | -0.03 | 100 |
OT.OT03.EHE. | 2021-04-26T09:40:57.11 | 0.1 | undecidable | manual | P | 308 | 16.0728 | 92 | 0.09 | 99 |
IV.SGRT.HHZ. | 2021-04-26T09:40:56.99 | 0.1 | positive | manual | P | 342 | 15.3735 | 92 | 0.1 | 99 |
IV.MSAG.HHZ. | 2021-04-26T09:40:56.67 | 0.1 | positive | manual | P | 42 | 13.3755 | 92 | 0.19 | 97 |
OT.OT12.EHZ. | 2021-04-26T09:40:55.36 | 0.3 | undecidable | manual | P | 83 | 8.88 | 93 | -0.22 | 73 |
OT.OT07.EHE. | 2021-04-26T09:40:55.48 | 0.1 | undecidable | manual | P | 269 | 6.7932 | 94 | 0.31 | 96 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.SGRT.HHE. | ML:1.4 | 0.00032339335 | 0.16 | AML | other | m | 2021-04-26T09:41:00.15 |
IV.SGRT.HHN. | ML:1.6 | 0.000442 | 0.38 | AML | other | m | 2021-04-26T09:41:00.13 |
IV.MSAG.HHN. | ML:1.0 | 0.00015237794999999998 | 0.2048 | AML | other | m | 2021-04-26T09:41:02.21 |
IV.MSAG.HNN. | ML:1.4 | 0.0003598232 | 0.2048 | AML | other | m | 2021-04-26T09:41:02.11 |
IV.MSAG.HHE. | ML:0.5 | 0.00004655359 | 0.4224 | AML | other | m | 2021-04-26T09:41:04.34 |
IV.MSAG.HNE. | ML:1.0 | 0.00012595065499999998 | 0.256 | AML | other | m | 2021-04-26T09:41:04.34 |