A magnitude ML 1.2 earthquake occured in region: 3 km E San Severo (FG), on
and geographic coordinates (lat, lon) 41.6900, 15.4220 at 12 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.
Municipality | Region | Distance (km) | Inhabitants | Cumulative Inhabitants |
---|---|---|---|---|
San Severo | FG | 3 | 53905 | 53905 |
Apricena | FG | 11 | 13328 | 67233 |
Torremaggiore | FG | 11 | 17311 | 84544 |
Rignano Garganico | FG | 14 | 2117 | 86661 |
San Paolo di Civitate | FG | 15 | 5818 | 92479 |
Poggio Imperiale | FG | 16 | 2724 | 95203 |
San Marco in Lamis | FG | 18 | 13831 | 109034 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
ML 1.2 | 2021-05-04 02:08:35 |
41.6898 | 15.4218 | 12 | 2021-12-29 11:11:59 |
Bollettino Sismico Italiano INGV | 89964061 |
Reviewed Rev100 |
ML 1.1 | 2021-05-04 02:08:35 |
41.698 | 15.4393 | 13 | 2021-05-04 02:17:13 |
Sala Sismica INGV-Roma | 89753941 |
Field | Value |
---|---|
Time (UTC) | 2021-05-04 02:08:35 ± 0.11 |
Latitude | 41.6898 ± 0.0072 |
Longitude | 15.4218 ± 0.0060 |
Depth (km) | 12 ± 1 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-INGV |
Event type | earthquake |
Origin ID | 89964061 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 790 |
Semi-minor axis of confidence ellipse (meter) | 18 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 197 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 790.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 167 |
Number of associated phases, regardless of their use for origin computation | 22 |
Number of defining phases | 20 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.27 |
Epicentral distance of station closest to the epicenter (degree) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 0.43797 |
Number of stations at which the event was observed | 12 |
Number of stations from which data was used for origin computation | 10 |
Field | Value |
---|---|
Value | 1.2 |
Uncertainty | 0.4 |
Num. used stations | 8 |
Type of magnitude | ML |
Reference to an origin | 89964061 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2021-05-10 12:56:11 |
Field | Value |
---|---|
Value | 1.1 |
Uncertainty | 0.1 |
Num. used stations | 6 |
Type of magnitude | ML |
Reference to an origin | 89753941 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2021-05-04 02:17:13 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.LAV9.HHZ. | 2021-05-04T02:09:05.42 | 3.0 | undecidable | manual | Pn | 0.24 | 0 | |||
IV.SPS2.HHZ. | 2021-05-04T02:09:04.96 | 3.0 | negative | manual | Pn | -4.06 | 0 | |||
IV.TREM.HHZ. | 2021-05-04T02:08:50.44 | 0.6 | undecidable | manual | S | 9 | 48.618 | 91 | -0.28 | 45 |
IV.MELA.HHZ. | 2021-05-04T02:08:44.25 | 0.6 | undecidable | manual | S | 274 | 24.4533 | 94 | -0.04 | 49 |
OT.OT16.EHZ. | 2021-05-04T02:08:44.19 | 0.1 | undecidable | manual | S | 308 | 26.2515 | 94 | -0.57 | 87 |
OT.OT07.EHZ. | 2021-05-04T02:08:44.84 | 0.1 | undecidable | manual | S | 107 | 25.8519 | 94 | 0.2 | 95 |
IV.TREM.HHZ. | 2021-05-04T02:08:44.54 | 0.1 | undecidable | manual | P | 9 | 48.618 | 91 | 0.34 | 88 |
IV.SGRT.HHZ. | 2021-05-04T02:08:44.83 | 0.1 | undecidable | manual | S | 75 | 27.6501 | 93 | -0.29 | 92 |
OT.OT03.EHZ. | 2021-05-04T02:08:42.79 | 1.0 | undecidable | manual | S | 82 | 19.0698 | 98 | -0.05 | 25 |
OT.OT05.EHZ. | 2021-05-04T02:08:41.50 | 0.1 | undecidable | manual | S | 103 | 15.3735 | 105 | -0.38 | 92 |
IV.APRC.HHZ. | 2021-05-04T02:08:41.25 | 0.3 | undecidable | manual | S | 53 | 12.4764 | 115 | 0.08 | 75 |
OT.OT04.EHN. | 2021-05-04T02:08:41.44 | 0.3 | undecidable | manual | S | 76 | 13.5753 | 111 | 0.01 | 75 |
OT.OT06.EHZ. | 2021-05-04T02:08:41.80 | 0.3 | undecidable | manual | S | 92 | 14.2746 | 109 | 0.19 | 73 |
IV.SGRT.HHZ. | 2021-05-04T02:08:40.85 | 0.1 | undecidable | manual | P | 75 | 27.6501 | 93 | -0.11 | 96 |
IV.MELA.HHZ. | 2021-05-04T02:08:40.97 | 0.1 | undecidable | manual | P | 274 | 24.4533 | 94 | 0.49 | 89 |
OT.OT16.EHZ. | 2021-05-04T02:08:40.68 | 0.1 | undecidable | manual | P | 308 | 26.2515 | 94 | -0.08 | 97 |
OT.OT07.EHZ. | 2021-05-04T02:08:40.80 | 0.1 | positive | manual | P | 107 | 25.8519 | 94 | 0.11 | 96 |
OT.OT06.EHZ. | 2021-05-04T02:08:39.27 | 0.1 | undecidable | manual | P | 92 | 14.2746 | 109 | 0.33 | 94 |
OT.OT03.EHZ. | 2021-05-04T02:08:39.75 | 0.1 | undecidable | manual | P | 82 | 19.0698 | 98 | 0.1 | 98 |
OT.OT05.EHZ. | 2021-05-04T02:08:38.75 | 0.1 | undecidable | manual | P | 103 | 15.3735 | 105 | -0.34 | 93 |
IV.APRC.HHZ. | 2021-05-04T02:08:38.73 | 0.1 | undecidable | manual | P | 53 | 12.4764 | 115 | 0.05 | 100 |
OT.OT04.EHN. | 2021-05-04T02:08:38.95 | 0.1 | negative | manual | P | 76 | 13.5753 | 111 | 0.12 | 98 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.APRC.HHN. | ML:1.3 | 0.00021300000000000003 | 0.38 | AML | other | m | 2021-05-04T02:08:41.56 |
IV.APRC.HHE. | ML:1.2 | 0.000154 | 0.54 | AML | other | m | 2021-05-04T02:08:41.42 |
OT.OT05.EHE. | ML:1.1 | 0.00010644999999999999 | 1.12 | AML | other | m | 2021-05-04T02:08:41.14 |
OT.OT05.EHN. | ML:0.9 | 0.00007535 | 0.1 | AML | other | m | 2021-05-04T02:08:42.55 |
IV.MELA.HHN. | ML:1.1 | 0.0000748 | 0.44 | AML | other | m | 2021-05-04T02:08:44.73 |
IV.MELA.HHE. | ML:1.1 | 0.00007085 | 0.24 | AML | other | m | 2021-05-04T02:08:45.53 |
IV.LAV9.HHE. | ML:2.7 | 0.00011444999999999999 | 0.6 | AML | other | m | 2021-05-04T02:09:14.59 |
IV.LAV9.HHN. | ML:2.6 | 0.00010045 | 1.1 | AML | other | m | 2021-05-04T02:09:22.33 |