A magnitude ML 1.8 earthquake occured in region: 5 km S Bologna (BO), on
and geographic coordinates (lat, lon) 44.4500, 11.3300 at 25 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 |
---|---|---|---|---|
Bologna | BO | 5 | 386663 | 386663 |
Casalecchio di Reno | BO | 5 | 36327 | 422990 |
San Lazzaro di Savena | BO | 7 | 32065 | 455055 |
Pianoro | BO | 7 | 17460 | 472515 |
Sasso Marconi | BO | 9 | 14735 | 487250 |
Zola Predosa | BO | 10 | 18770 | 506020 |
Monte San Pietro | BO | 10 | 10982 | 517002 |
Ozzano dell'Emilia | BO | 12 | 13596 | 530598 |
Castenaso | BO | 13 | 14925 | 545523 |
Calderara di Reno | BO | 14 | 13196 | 558719 |
Castel Maggiore | BO | 14 | 18231 | 576950 |
Granarolo dell'Emilia | BO | 15 | 11910 | 588860 |
Monterenzio | BO | 15 | 6035 | 594895 |
Anzola dell'Emilia | BO | 15 | 12267 | 607162 |
Marzabotto | BO | 16 | 6779 | 613941 |
Budrio | BO | 19 | 18412 | 632353 |
Monzuno | BO | 20 | 6328 | 638681 |
Loiano | BO | 20 | 4294 | 642975 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
ML 1.8 | 2023-04-24 22:19:27 |
44.4503 | 11.3302 | 25 | 2024-03-01 17:18:07 |
Bollettino Sismico Italiano INGV | 117242901 |
Field | Value |
---|---|
Time (UTC) | 2023-04-24 22:19:27 ± 0.16 |
Latitude | 44.4503 ± 0.0072 |
Longitude | 11.3302 ± 0.0151 |
Depth (km) | 25 ± 2 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-INGV |
Event type | earthquake |
Origin ID | 117242901 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 1155 |
Semi-minor axis of confidence ellipse (meter) | 363 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 269 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 1150.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 113 |
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) | 0.42 |
Epicentral distance of station closest to the epicenter (degree) | 0.15288 |
Epicentral distance of station farthest from the epicenter (degree) | 1.41373 |
Number of stations at which the event was observed | 22 |
Number of stations from which data was used for origin computation | 22 |
Field | Value |
---|---|
Value | 1.8 |
Uncertainty | 0.4 |
Num. used stations | 16 |
Type of magnitude | ML |
Reference to an origin | 117242901 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2024-01-25 16:07:40 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.MAGA.HHZ. | 2023-04-24T22:19:53.03 | 0.3 | undecidable | manual | P | 340 | 156.9207 | 54 | 0.21 | 74 |
IV.CAFI.HNZ. | 2023-04-24T22:19:50.38 | 0.3 | undecidable | manual | P | 158 | 134.3655 | 54 | 0.36 | 76 |
IV.ROVR.HHZ. | 2023-04-24T22:19:49.21 | 0.3 | undecidable | manual | P | 351 | 134.2656 | 54 | -0.8 | 67 |
GU.GSCL.HHN. | 2023-04-24T22:19:46.30 | 0.6 | undecidable | manual | S | 260 | 59.8956 | 106 | -0.58 | 56 |
IV.ZOVE.EHZ. | 2023-04-24T22:19:46.09 | 0.3 | undecidable | manual | P | 6 | 111.999 | 98 | -0.65 | 74 |
ZO.PDN9.HNZ.15 | 2023-04-24T22:19:45.01 | 0.3 | undecidable | manual | P | 353 | 95.9262 | 99 | 0.7 | 74 |
IV.LMD.HHE. | 2023-04-24T22:19:44.10 | 0.6 | undecidable | manual | S | 144 | 51.1155 | 109 | -0.54 | 57 |
IV.CRMI.HNN. | 2023-04-24T22:19:42.18 | 0.3 | undecidable | manual | P | 201 | 77.8665 | 102 | 0.63 | 79 |
IV.SEI.HHZ. | 2023-04-24T22:19:42.16 | 0.6 | undecidable | manual | S | 177 | 44.0226 | 113 | -0.72 | 54 |
GU.SARM.EHN. | 2023-04-24T22:19:42.31 | 0.6 | undecidable | manual | P | 248 | 79.4649 | 102 | 0.51 | 55 |
IV.RUFI.EHE. | 2023-04-24T22:19:41.19 | 0.6 | undecidable | manual | P | 168 | 69.375 | 104 | 0.9 | 48 |
IV.BDI.HNZ. | 2023-04-24T22:19:40.35 | 0.3 | undecidable | manual | P | 234 | 72.4719 | 103 | -0.4 | 87 |
IV.VISG.HHZ. | 2023-04-24T22:19:39.40 | 0.3 | undecidable | manual | S | 164 | 30.1476 | 123 | -0.2 | 97 |
IV.MPPT.EHN. | 2023-04-24T22:19:39.21 | 0.3 | undecidable | manual | P | 199 | 57.8976 | 107 | 0.63 | 82 |
GU.POPM.HHZ. | 2023-04-24T22:19:39.43 | 0.3 | undecidable | manual | P | 226 | 63.9915 | 105 | -0.05 | 95 |
IV.FIU.EHN. | 2023-04-24T22:19:39.40 | 0.3 | undecidable | manual | S | 31 | 24.6531 | 130 | 0.98 | 76 |
4P.IT09A.HHZ. | 2023-04-24T22:19:39.00 | 0.6 | undecidable | manual | S | 20 | 24.753 | 130 | 0.56 | 61 |
GU.GSCL.HHN. | 2023-04-24T22:19:39.38 | 0.3 | undecidable | manual | P | 260 | 59.8956 | 106 | 0.52 | 86 |
IV.BOSL.HHE. | 2023-04-24T22:19:38.73 | 0.3 | undecidable | manual | P | 176 | 57.6978 | 107 | 0.18 | 93 |
IV.VMGN.HHN. | 2023-04-24T22:19:38.94 | 0.3 | undecidable | manual | P | 164 | 57.2982 | 107 | 0.45 | 88 |
IV.LMD.HHE. | 2023-04-24T22:19:37.40 | 0.3 | undecidable | manual | P | 144 | 51.1155 | 109 | -0.18 | 94 |
IV.MTRZ.HHN. | 2023-04-24T22:19:37.20 | 0.6 | undecidable | manual | S | 154 | 16.9719 | 141 | 0.22 | 67 |
IV.SEI.HHZ. | 2023-04-24T22:19:36.48 | 0.3 | undecidable | manual | P | 177 | 44.0226 | 113 | -0.08 | 97 |
IV.FNVD.HHZ. | 2023-04-24T22:19:35.33 | 0.3 | undecidable | manual | P | 208 | 35.4423 | 118 | -0.03 | 100 |
IV.ZCCA.HHZ. | 2023-04-24T22:19:34.11 | 0.3 | undecidable | manual | P | 249 | 30.1476 | 123 | -0.55 | 90 |
IV.VISG.HHZ. | 2023-04-24T22:19:33.79 | 0.3 | undecidable | manual | P | 164 | 30.1476 | 123 | -0.88 | 78 |
IV.MTRZ.HHN. | 2023-04-24T22:19:33.36 | 0.3 | undecidable | manual | P | 154 | 16.9719 | 141 | 0.2 | 100 |
IV.FIU.EHN. | 2023-04-24T22:19:33.43 | 0.3 | undecidable | manual | P | 31 | 24.6531 | 130 | -0.55 | 90 |
4P.IT09A.HHZ. | 2023-04-24T22:19:33.30 | 0.3 | undecidable | manual | P | 20 | 24.753 | 130 | -0.7 | 85 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.VISG.HHN. | ML:1.0 | 0.00003435000000000001 | 1.1 | AML | other | m | 2023-04-24T22:19:40.59 |
IV.VISG.HHE. | ML:1.0 | 0.000034049999999999994 | 0.6 | AML | other | m | 2023-04-24T22:19:40.49 |
IV.MTRZ.HHE. | ML:2.0 | 0.0005375 | 1.26 | AML | other | m | 2023-04-24T22:19:40.79 |
IV.MTRZ.HNE. | ML:2.0 | 0.000514 | 0.56 | AML | other | m | 2023-04-24T22:19:41.35 |
IV.ZCCA.HHN. | ML:1.4 | 0.0000853 | 1.56 | AML | other | m | 2023-04-24T22:19:42.13 |
IV.MTRZ.HHN. | ML:2.0 | 0.0005024999999999999 | 0.82 | AML | other | m | 2023-04-24T22:19:42.31 |
IV.MTRZ.HNN. | ML:2.0 | 0.0005034999999999999 | 0.82 | AML | other | m | 2023-04-24T22:19:42.31 |
IV.SEI.HHE. | ML:1.4 | 0.0000696 | 1.54 | AML | other | m | 2023-04-24T22:19:44.07 |
IV.SEI.HHN. | ML:1.7 | 0.0001265 | 1.54 | AML | other | m | 2023-04-24T22:19:45.16 |
IV.ZCCA.HHE. | ML:1.3 | 0.00007495 | 0.42 | AML | other | m | 2023-04-24T22:19:50.73 |
IV.FIU.EHE. | ML:0.6 | 0.0000131 | 1.6 | AML | other | m | 2023-04-24T22:19:50.03 |
IV.FIU.EHN. | ML:2.0 | 0.00036449999999999997 | 1.6 | AML | other | m | 2023-04-24T22:19:50.05 |
IV.ZOVE.EHN. | ML:1.9 | 0.00006195 | 0.46 | AML | other | m | 2023-04-24T22:20:02.28 |
IV.ZOVE.EHE. | ML:1.8 | 0.000056149999999999996 | 0.76 | AML | other | m | 2023-04-24T22:20:02.61 |
IV.ROVR.HHE. | ML:2.0 | 0.0000553 | 1 | AML | other | m | 2023-04-24T22:20:07.99 |
IV.ROVR.HHN. | ML:2.1 | 0.00007005 | 1.2 | AML | other | m | 2023-04-24T22:20:08.71 |
IV.MAGA.HHN. | ML:2.0 | 0.00004385 | 1.04 | AML | other | m | 2023-04-24T22:20:17.45 |
IV.MAGA.HHE. | ML:2.1 | 0.00005605 | 0.76 | AML | other | m | 2023-04-24T22:20:26.60 |