A magnitude ML 2.1 earthquake occured in region: 11 km NE Alfonsine (RA), on
and geographic coordinates (lat, lon) 44.5620, 12.1650 at 9 km depth.
The earthquake was located by: Sala Sismica INGV-Roma.
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 |
---|---|---|---|---|
Alfonsine | RA | 12 | 12038 | 12038 |
Comacchio | FE | 15 | 22566 | 34604 |
Ravenna | RA | 16 | 159116 | 193720 |
Fusignano | RA | 19 | 8222 | 201942 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 2.1 | 2023-10-18 20:05:32 |
44.5617 | 12.1647 | 9 | 2023-10-18 20:28:06 |
Sala Sismica INGV-Roma | 122182531 |
Field | Value |
---|---|
Time (UTC) | 2023-10-18 20:05:32 ± 0.33 |
Latitude | 44.5617 ± 0.0171 |
Longitude | 12.1647 ± 0.0215 |
Depth (km) | 9 (operator assigned) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 100 -> SURVEY-INGV |
Event type | earthquake |
Origin ID | 122182531 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 1950 |
Semi-minor axis of confidence ellipse (meter) | 1700 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 3 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 1950.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 295 |
Number of associated phases, regardless of their use for origin computation | 26 |
Number of defining phases | 10 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.22 |
Epicentral distance of station closest to the epicenter (degree) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 1.82922 |
Number of stations at which the event was observed | 23 |
Number of stations from which data was used for origin computation | 7 |
Field | Value |
---|---|
Value | 2.1 |
Uncertainty | 0.2 |
Num. used stations | 4 |
Type of magnitude | ML |
Reference to an origin | 122182531 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2023-10-18 20:28:06 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.HPAC.HHZ. | 2023-10-18T20:07:17.58 | 3.0 | negative | manual | Pn | -5.27 | 0 | |||
GU.RSP.HHZ. | 2023-10-18T20:07:15.08 | 3.0 | undecidable | manual | Sg | 10.27 | 0 | |||
7C.SPAOL.HNZ. | 2023-10-18T20:07:09.86 | 3.0 | negative | manual | Pn | -2.24 | 0 | |||
IV.PAOL.HHZ. | 2023-10-18T20:07:07.13 | 3.0 | undecidable | manual | Sn | -3.84 | 0 | |||
OT.CGL1.HHZ. | 2023-10-18T20:07:05.40 | 3.0 | negative | manual | Pg | 13.5 | 0 | |||
IV.MRLC.HNZ. | 2023-10-18T20:06:52.18 | 3.0 | undecidable | manual | Pg | 16.41 | 0 | |||
GU.IMI.HHZ. | 2023-10-18T20:06:49.47 | 3.0 | undecidable | manual | Sn | -0.12 | 0 | |||
ST.CARE.HNZ. | 2023-10-18T20:06:47.31 | 3.0 | undecidable | manual | Sg | 3.17 | 0 | |||
CH.BERNI.HHZ. | 2023-10-18T20:06:46.12 | 3.0 | undecidable | manual | Sg | -1.99 | 0 | |||
IV.PTRJ.HHZ. | 2023-10-18T20:06:25.80 | 3.0 | undecidable | manual | Pn | 2.78 | 0 | |||
IV.VAGA.HHZ. | 2023-10-18T20:06:24.03 | 3.0 | negative | manual | Pg | 3.37 | 0 | |||
IV.RCAV.EHZ. | 2023-10-18T20:06:14.20 | 3.0 | undecidable | manual | Pg | 5.2 | 0 | |||
ST.ZIAN.EHZ. | 2023-10-18T20:06:08.91 | 3.0 | undecidable | manual | Pg | 0.46 | 0 | |||
IV.MPAG.EHZ. | 2023-10-18T20:06:06.00 | 1.0 | undecidable | manual | S | 155 | 113.7972 | 50 | 0.45 | 21 |
OX.SABO.HHZ. | 2023-10-18T20:06:05.10 | 3.0 | positive | manual | Pn | -5.13 | 0 | |||
IV.NARO.HHZ. | 2023-10-18T20:06:04.72 | 0.6 | undecidable | manual | S | 162 | 110.6004 | 50 | 0.03 | 46 |
IV.MF5.EHZ. | 2023-10-18T20:06:04.35 | 0.3 | undecidable | manual | P | 149 | 203.0412 | 38 | -0.12 | 47 |
IV.CSP1.EHZ. | 2023-10-18T20:06:02.43 | 0.6 | undecidable | manual | P | 153 | 183.0834 | 38 | 0.45 | 33 |
IV.CAFI.HHZ. | 2023-10-18T20:05:55.20 | 0.3 | undecidable | manual | P | 187 | 137.6622 | 50 | 0.06 | 65 |
IV.MPAG.EHZ. | 2023-10-18T20:05:51.25 | 0.3 | undecidable | manual | P | 155 | 113.7972 | 50 | -0.22 | 66 |
IV.NARO.HHZ. | 2023-10-18T20:05:50.64 | 0.3 | undecidable | manual | P | 162 | 110.6004 | 50 | -0.33 | 65 |
IV.BRSN.EHZ. | 2023-10-18T20:05:43.39 | 0.6 | undecidable | manual | S | 192 | 31.5462 | 106 | -0.19 | 51 |
IV.LMD.HHZ. | 2023-10-18T20:05:43.72 | 0.6 | undecidable | manual | P | 214 | 64.7907 | 50 | -0.2 | 48 |
IV.BRSN.EHZ. | 2023-10-18T20:05:39.12 | 0.1 | positive | manual | P | 192 | 31.5462 | 106 | 0.33 | 100 |
IV.MTRZ.HHZ. | 2023-10-18T20:05:38.34 | 3.0 | negative | manual | P | -0.72 | 0 | |||
IV.SEI.HHZ. | 2023-10-18T20:05:37.76 | 3.0 | undecidable | manual | P | 1.21 | 0 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.BRSN.EHE. | ML:2.1 | 0.000589 | 0.26 | AML | other | m | 2023-10-18T20:05:45.45 |
IV.BRSN.EHN. | ML:2.3 | 0.000911 | 0.94 | AML | other | m | 2023-10-18T20:05:46.89 |
IV.NARO.HHN. | ML:1.7 | 0.0000453 | 1.4 | AML | other | m | 2023-10-18T20:05:56.13 |
IV.ATMI.HHE. | ML:2.2 | 0.00009240000000000001 | 0.42 | AML | other | m | 2023-10-18T20:06:02.47 |