A magnitude ML 2.5 earthquake occured in region: Adriatico Centrale (MARE), on
and geographic coordinates (lat, lon) 42.5780, 16.1870 at 9 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.
No Italian municipalities within 100 km from the epicenter with at least 50000 inhabitants.
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
ML 2.5 | 2021-04-23 05:21:34 |
42.5778 | 16.1873 | 9 | 2021-07-12 16:55:14 |
Bollettino Sismico Italiano INGV | 90937111 |
Reviewed Rev100 |
ML 2.6 | 2021-04-23 05:21:32 |
42.6887 | 16.1402 | 10 | 2021-04-23 05:33:30 |
Sala Sismica INGV-Roma | 89386801 |
Field | Value |
---|---|
Time (UTC) | 2021-04-23 05:21:34 ± 0.21 |
Latitude | 42.5778 ± 0.0234 |
Longitude | 16.1873 ± 0.0195 |
Depth (km) | 9 ± 3 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-INGV |
Event type | earthquake |
Origin ID | 90937111 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 2654 |
Semi-minor axis of confidence ellipse (meter) | 1219 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 23 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 2650.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 301 |
Number of associated phases, regardless of their use for origin computation | 29 |
Number of defining phases | 29 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.19 |
Epicentral distance of station closest to the epicenter (degree) | 0.67539 |
Epicentral distance of station farthest from the epicenter (degree) | 1.71411 |
Number of stations at which the event was observed | 19 |
Number of stations from which data was used for origin computation | 19 |
Field | Value |
---|---|
Value | 2.6 |
Uncertainty | 0.2 |
Num. used stations | 8 |
Type of magnitude | ML |
Reference to an origin | 89386801 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2021-04-23 05:33:30 |
Field | Value |
---|---|
Value | 2.5 |
Uncertainty | 0.2 |
Num. used stations | 8 |
Type of magnitude | ML |
Reference to an origin | 90937111 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2021-06-08 13:11:58 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
OT.OT16.EHN. | 2021-04-23T05:22:08.87 | 0.6 | undecidable | manual | S | 226 | 117.3936 | 50 | 0.26 | 59 |
OT.OT05.EHZ. | 2021-04-23T05:22:07.74 | 1.0 | undecidable | manual | S | 205 | 112.6983 | 50 | 0.38 | 29 |
IV.MRB1.HHZ. | 2021-04-23T05:22:05.12 | 1.0 | undecidable | manual | P | 212 | 190.2651 | 38 | 0.13 | 23 |
OT.OT03.EHE. | 2021-04-23T05:22:05.01 | 0.6 | undecidable | manual | S | 205 | 105.7164 | 50 | -0.48 | 57 |
IV.APRC.HHZ. | 2021-04-23T05:22:05.65 | 0.6 | undecidable | manual | S | 210 | 105.3168 | 50 | 0.27 | 60 |
IV.PSB1.HNE. | 2021-04-23T05:22:05.00 | 0.3 | undecidable | manual | P | 218 | 188.367 | 38 | 0.25 | 68 |
OT.OT04.EHE. | 2021-04-23T05:22:05.59 | 0.6 | undecidable | manual | S | 208 | 107.5146 | 50 | -0.38 | 58 |
IV.AMUR.HHN. | 2021-04-23T05:22:04.46 | 0.6 | undecidable | manual | P | 169 | 188.5668 | 38 | -0.31 | 45 |
IV.CAFE.HHN. | 2021-04-23T05:22:04.89 | 1.0 | undecidable | manual | P | 205 | 189.0663 | 38 | 0.05 | 24 |
IV.MSAG.HHZ. | 2021-04-23T05:22:03.75 | 0.6 | undecidable | manual | S | 193 | 98.7234 | 50 | 0.12 | 63 |
IV.SGRT.HHZ. | 2021-04-23T05:22:03.37 | 0.6 | undecidable | manual | S | 202 | 98.3238 | 50 | -0.15 | 62 |
IV.MOCO.HNE. | 2021-04-23T05:22:00.66 | 0.3 | undecidable | manual | P | 213 | 158.619 | 50 | 0.17 | 80 |
OT.OT14.EHZ. | 2021-04-23T05:21:58.38 | 0.6 | undecidable | manual | S | 197 | 78.9654 | 50 | 0.02 | 67 |
IV.TREM.HNZ. | 2021-04-23T05:21:57.32 | 0.6 | undecidable | manual | S | 228 | 74.9694 | 50 | 0.02 | 67 |
OT.OT13.EHZ. | 2021-04-23T05:21:57.98 | 0.6 | undecidable | manual | S | 180 | 77.367 | 50 | 0.06 | 66 |
IV.MELA.HHN. | 2021-04-23T05:21:55.65 | 0.3 | undecidable | manual | P | 222 | 130.2696 | 50 | -0.47 | 82 |
OT.OT05.EHZ. | 2021-04-23T05:21:53.12 | 0.3 | undecidable | manual | P | 205 | 112.6983 | 50 | -0.3 | 88 |
OT.OT06.EHE. | 2021-04-23T05:21:53.32 | 0.3 | undecidable | manual | P | 206 | 110.3118 | 50 | 0.26 | 89 |
OT.OT16.EHN. | 2021-04-23T05:21:53.61 | 0.6 | undecidable | manual | P | 226 | 117.3936 | 50 | -0.54 | 55 |
OT.OT07.EHE. | 2021-04-23T05:21:53.44 | 1.0 | undecidable | manual | P | 200 | 112.8981 | 50 | -0.01 | 31 |
OT.OT12.EHZ. | 2021-04-23T05:21:52.40 | 0.3 | undecidable | manual | P | 192 | 107.4147 | 50 | -0.21 | 91 |
OT.OT03.EHE. | 2021-04-23T05:21:52.71 | 0.3 | undecidable | manual | P | 205 | 105.7164 | 50 | 0.37 | 88 |
OT.OT04.EHE. | 2021-04-23T05:21:52.61 | 0.6 | undecidable | manual | P | 208 | 107.5146 | 50 | -0.01 | 63 |
IV.APRC.HHZ. | 2021-04-23T05:21:52.42 | 0.3 | undecidable | manual | P | 210 | 105.3168 | 50 | 0.14 | 93 |
IV.SGRT.HHZ. | 2021-04-23T05:21:51.67 | 0.3 | undecidable | manual | P | 202 | 98.3238 | 50 | 0.46 | 88 |
IV.MSAG.HHZ. | 2021-04-23T05:21:51.47 | 0.3 | undecidable | manual | P | 193 | 98.7234 | 50 | 0.2 | 92 |
OT.OT14.EHZ. | 2021-04-23T05:21:47.93 | 0.3 | undecidable | manual | P | 197 | 78.9654 | 50 | -0.29 | 94 |
OT.OT13.EHZ. | 2021-04-23T05:21:47.94 | 0.3 | undecidable | manual | P | 180 | 77.367 | 50 | -0.03 | 100 |
IV.TREM.HNZ. | 2021-04-23T05:21:47.60 | 0.6 | undecidable | manual | P | 228 | 74.9694 | 50 | -0.01 | 67 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
OT.OT12.EHE. | ML:2.5 | 0.00027850000000000005 | 1.56 | AML | other | m | 2021-04-23T05:22:06.16 |
OT.OT12.EHN. | ML:2.6 | 0.00038950000000000003 | 1.52 | AML | other | m | 2021-04-23T05:22:07.95 |
IV.MSAG.HHE. | ML:2.1 | 0.0001365 | 0.22 | AML | other | m | 2021-04-23T05:22:07.15 |
IV.MSAG.HNE. | ML:2.5 | 0.0003215 | 0.22 | AML | other | m | 2021-04-23T05:22:07.16 |
IV.MSAG.HHN. | ML:2.4 | 0.0002615 | 0.6 | AML | other | m | 2021-04-23T05:22:07.66 |
OT.OT05.EHN. | ML:2.5 | 0.00027079284999999997 | 0.3584 | AML | other | m | 2021-04-23T05:22:08.24 |
OT.OT05.EHE. | ML:2.6 | 0.0002985 | 0.38 | AML | other | m | 2021-04-23T05:22:08.77 |
IV.MSAG.HNN. | ML:2.8 | 0.000627 | 0.28 | AML | other | m | 2021-04-23T05:22:10.13 |