A magnitude ML 1.9 earthquake occured in region: Costa Adriatica Brindisina (Brindisi), on
and geographic coordinates (lat, lon) 40.8390, 17.8300 at 20 km depth.
The earthquake was located by: Bollettino Sismico Italiano INGV.
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.
No Italian municipalities within 20 km distance.
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
ML 1.9 | 2021-04-03 04:21:15 |
40.8388 | 17.8297 | 20 | 2021-07-12 16:55:17 |
Bollettino Sismico Italiano INGV | 92265721 |
Reviewed Rev100 |
ML 1.8 | 2021-04-03 04:21:15 |
40.8387 | 17.8158 | 10 | 2021-04-03 04:42:13 |
Sala Sismica INGV-Roma | 88728691 |
Field | Value |
---|---|
Time (UTC) | 2021-04-03 04:21:15 ± 0.23 |
Latitude | 40.8388 ± 0.0189 |
Longitude | 17.8297 ± 0.0131 |
Depth (km) | 20 ± 4 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-INGV |
Event type | earthquake |
Origin ID | 92265721 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 1884 |
Semi-minor axis of confidence ellipse (meter) | 1179 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 179 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 1880.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 205 |
Number of associated phases, regardless of their use for origin computation | 20 |
Number of defining phases | 20 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.34 |
Epicentral distance of station closest to the epicenter (degree) | 0.25001 |
Epicentral distance of station farthest from the epicenter (degree) | 1.68533 |
Number of stations at which the event was observed | 12 |
Number of stations from which data was used for origin computation | 12 |
Field | Value |
---|---|
Value | 1.8 |
Uncertainty | 0.1 |
Num. used stations | 8 |
Type of magnitude | ML |
Reference to an origin | 88728691 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2021-04-03 04:42:13 |
Field | Value |
---|---|
Value | 1.9 |
Uncertainty | 0.3 |
Num. used stations | 10 |
Type of magnitude | ML |
Reference to an origin | 92265721 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2021-07-05 14:12:45 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.MRVN.HHZ. | 2021-04-03T04:21:56.02 | 0.6 | undecidable | manual | S | 281 | 139.0608 | 94 | 0.7 | 32 |
IV.MIGL.HHZ. | 2021-04-03T04:21:51.40 | 0.6 | undecidable | manual | S | 258 | 119.5914 | 95 | 1.27 | 25 |
IV.MSAG.HNE. | 2021-04-03T04:21:43.33 | 0.3 | undecidable | manual | P | 302 | 187.0683 | 54 | -1.41 | 30 |
OT.OT15.EHE. | 2021-04-03T04:21:40.75 | 0.6 | undecidable | manual | S | 291 | 85.0482 | 97 | -0.19 | 44 |
IV.MRVN.HHZ. | 2021-04-03T04:21:38.88 | 0.3 | undecidable | manual | P | 281 | 139.0608 | 94 | 0.33 | 56 |
IV.MIGL.HHZ. | 2021-04-03T04:21:36.15 | 0.3 | undecidable | manual | P | 258 | 119.5914 | 95 | 0.59 | 53 |
IV.NOCI.HHZ. | 2021-04-03T04:21:35.34 | 0.3 | undecidable | manual | S | 265 | 64.491 | 100 | -0.18 | 69 |
OT.MASS.HHE. | 2021-04-03T04:21:34.44 | 0.6 | undecidable | manual | S | 249 | 61.9935 | 100 | -0.43 | 44 |
IV.SCTE.HHN. | 2021-04-03T04:21:33.00 | 0.6 | undecidable | manual | P | 147 | 100.6215 | 96 | 0.35 | 41 |
OT.TAR1.HHZ. | 2021-04-03T04:21:33.14 | 0.6 | undecidable | manual | S | 233 | 57.498 | 101 | -0.55 | 43 |
IV.AMUR.HHZ. | 2021-04-03T04:21:32.88 | 0.3 | undecidable | manual | P | 275 | 103.119 | 96 | -0.14 | 64 |
GE.MATE.HHN. | 2021-04-03T04:21:31.80 | 0.6 | undecidable | manual | P | 258 | 96.9252 | 96 | -0.27 | 42 |
OT.OT15.EHE. | 2021-04-03T04:21:30.81 | 0.6 | undecidable | manual | P | 291 | 85.0482 | 97 | 0.56 | 39 |
IV.NOCI.HHZ. | 2021-04-03T04:21:27.01 | 0.1 | undecidable | manual | P | 265 | 64.491 | 100 | -0.11 | 93 |
OT.CGL1.HHE. | 2021-04-03T04:21:27.62 | 0.3 | undecidable | manual | S | 231 | 33.744 | 112 | 0.05 | 72 |
OT.TAR1.HHZ. | 2021-04-03T04:21:26.23 | 0.3 | undecidable | manual | P | 233 | 57.498 | 101 | 0.16 | 68 |
IV.MESG.HHZ. | 2021-04-03T04:21:26.14 | 0.6 | undecidable | manual | S | 176 | 27.75 | 117 | 0.01 | 50 |
OT.MASS.HHE. | 2021-04-03T04:21:26.50 | 0.1 | undecidable | manual | P | 249 | 61.9935 | 100 | -0.25 | 91 |
OT.CGL1.HHE. | 2021-04-03T04:21:22.60 | 0.1 | undecidable | manual | P | 231 | 33.744 | 112 | 0.06 | 97 |
IV.MESG.HHZ. | 2021-04-03T04:21:21.69 | 0.1 | undecidable | manual | P | 176 | 27.75 | 117 | -0.01 | 100 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.MESG.HHN. | ML:2.1 | 0.000519 | 0.18 | AML | other | m | 2021-04-03T04:21:26.39 |
IV.MESG.HHE. | ML:1.9 | 0.0003435 | 1.88 | AML | other | m | 2021-04-03T04:21:27.03 |
OT.TAR1.HHE. | ML:2.0 | 0.0002175 | 0.1 | AML | other | m | 2021-04-03T04:21:34.55 |
OT.TAR1.HHN. | ML:1.8 | 0.00011582454999999999 | 1.7568 | AML | other | m | 2021-04-03T04:21:34.98 |
IV.NOCI.HHE. | ML:2.4 | 0.0004535 | 0.32 | AML | other | m | 2021-04-03T04:21:36.60 |
IV.NOCI.HHN. | ML:2.4 | 0.0004255 | 0.14 | AML | other | m | 2021-04-03T04:21:36.54 |
IV.AMUR.HHN. | ML:1.6 | 0.000035601185 | 0.32 | AML | other | m | 2021-04-03T04:21:47.35 |
IV.AMUR.HHE. | ML:1.7 | 0.000049567 | 0.2176 | AML | other | m | 2021-04-03T04:21:51.12 |
IV.MRVN.HHE. | ML:1.8 | 0.000034548540000000006 | 1.8816 | AML | other | m | 2021-04-03T04:21:57.03 |
IV.MRVN.HHN. | ML:1.8 | 0.00004245 | 0.5 | AML | other | m | 2021-04-03T04:21:58.26 |