A magnitude ML 1.8 earthquake occured in region: 6 km NW Castel del Rio (BO), on
and geographic coordinates (lat, lon) 44.2660, 11.4700 at 26 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 |
---|---|---|---|---|
Castel del Rio | BO | 6 | 1246 | 1246 |
Fontanelice | BO | 7 | 1943 | 3189 |
Monterenzio | BO | 8 | 6035 | 9224 |
Borgo Tossignano | BO | 10 | 3288 | 12512 |
Loiano | BO | 12 | 4294 | 16806 |
Casalfiumanese | BO | 12 | 3438 | 20244 |
Monghidoro | BO | 13 | 3749 | 23993 |
Casola Valsenio | RA | 13 | 2617 | 26610 |
Monzuno | BO | 16 | 6328 | 32938 |
Dozza | BO | 17 | 6652 | 39590 |
Pianoro | BO | 17 | 17460 | 57050 |
Castel San Pietro Terme | BO | 18 | 20811 | 77861 |
Firenzuola | FI | 18 | 4726 | 82587 |
Palazzuolo sul Senio | FI | 18 | 1154 | 83741 |
San Benedetto Val di Sambro | BO | 20 | 4315 | 88056 |
Ozzano dell'Emilia | BO | 20 | 13596 | 101652 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
ML 1.8 | 2023-04-23 13:48:13 |
44.2658 | 11.4697 | 26 | 2024-03-01 17:18:10 |
Bollettino Sismico Italiano INGV | 117947411 |
Reviewed Rev100 |
ML 1.8 | 2023-04-23 13:48:14 |
44.2473 | 11.4663 | 24 | 2023-04-23 14:06:46 |
Sala Sismica INGV-Roma | 116650731 |
Field | Value |
---|---|
Time (UTC) | 2023-04-23 13:48:13 ± 0.57 |
Latitude | 44.2658 ± 0.0189 |
Longitude | 11.4697 ± 0.0352 |
Depth (km) | 26 ± 3 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-INGV |
Event type | earthquake |
Origin ID | 117947411 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 2332 |
Semi-minor axis of confidence ellipse (meter) | 2118 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 261 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 2330.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 172 |
Number of associated phases, regardless of their use for origin computation | 30 |
Number of defining phases | 12 |
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) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 0.34174 |
Number of stations at which the event was observed | 22 |
Number of stations from which data was used for origin computation | 6 |
Field | Value |
---|---|
Value | 1.8 |
Uncertainty | 0.2 |
Num. used stations | 7 |
Type of magnitude | ML |
Reference to an origin | 117947411 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2024-02-09 14:40:36 |
Field | Value |
---|---|
Value | 1.8 |
Uncertainty | 0.2 |
Num. used stations | 7 |
Type of magnitude | ML |
Reference to an origin | 116650731 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2023-04-23 14:06:46 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.MCRV.HHZ. | 2023-04-23T13:50:06.80 | 3.0 | undecidable | manual | Sn | -2.8 | 0 | |||
IV.MMN.HHZ. | 2023-04-23T13:49:54.42 | 3.0 | undecidable | manual | Pg | 20.440001 | 0 | |||
IV.SACR.HHZ. | 2023-04-23T13:49:52.97 | 3.0 | undecidable | manual | Sn | 0.43 | 0 | |||
IV.MGR.HHZ. | 2023-04-23T13:49:47.08 | 3.0 | undecidable | manual | Pg | 18.57 | 0 | |||
IV.PTRP.HHZ. | 2023-04-23T13:49:40.55 | 3.0 | positive | manual | Pg | 12.77 | 0 | |||
GU.BURY.HHZ. | 2023-04-23T13:49:39.76 | 3.0 | undecidable | manual | Sg | 6.07 | 0 | |||
IV.MCRV.HHZ. | 2023-04-23T13:49:29.97 | 3.0 | undecidable | manual | Pg | 10.95 | 0 | |||
GU.GBOS.HHZ. | 2023-04-23T13:49:29.50 | 3.0 | undecidable | manual | Sg | 1.45 | 0 | |||
CH.BERNI.HHZ. | 2023-04-23T13:49:27.10 | 3.0 | undecidable | manual | Sg | 1.47 | 0 | |||
GU.IMI.HHZ. | 2023-04-23T13:49:24.43 | 3.0 | undecidable | manual | Sn | -2.98 | 0 | |||
IV.RM33.EHZ. | 2023-04-23T13:49:19.53 | 3.0 | undecidable | manual | Sg | 5.2 | 0 | |||
IV.SACR.HHZ. | 2023-04-23T13:49:05.93 | 3.0 | undecidable | manual | Pn | -3.51 | 0 | |||
IV.SNTG.HHZ. | 2023-04-23T13:49:03.19 | 3.0 | undecidable | manual | Sg | 5.44 | 0 | |||
IV.LNSS.HHZ. | 2023-04-23T13:49:03.52 | 3.0 | undecidable | manual | Sn | -7.07 | 0 | |||
GU.CANO.HHZ. | 2023-04-23T13:48:57.51 | 3.0 | positive | manual | Pg | 5.76 | 0 | |||
CH.FUSIO.HHZ. | 2023-04-23T13:48:57.50 | 3.0 | negative | manual | Pn | -4.37 | 0 | |||
IV.MCIV.CHZ. | 2023-04-23T13:48:50.49 | 3.0 | undecidable | manual | Sn | -6.59 | 0 | |||
SI.BOSI.HHZ. | 2023-04-23T13:48:44.74 | 3.0 | negative | manual | Pn | -7.77 | 0 | |||
IV.BOSL.HHN. | 2023-04-23T13:48:27.42 | 0.6 | undecidable | manual | S | 192 | 37.9287 | 118 | 0.24 | 46 |
IV.VMGN.HHE. | 2023-04-23T13:48:26.97 | 0.6 | undecidable | manual | S | 172 | 34.9428 | 121 | 0.49 | 44 |
IV.LMD.HHZ. | 2023-04-23T13:48:25.01 | 0.6 | undecidable | manual | S | 138 | 28.1496 | 127 | 0.02 | 50 |
IV.SEI.HHZ. | 2023-04-23T13:48:23.94 | 0.6 | undecidable | manual | S | 201 | 25.0527 | 131 | -0.41 | 47 |
IV.MTRZ.HHZ. | 2023-04-23T13:48:22.63 | 0.6 | undecidable | manual | S | 326 | 6.2937 | 165 | 1.02 | 40 |
IV.VMGN.HHE. | 2023-04-23T13:48:21.40 | 0.3 | undecidable | manual | P | 172 | 34.9428 | 121 | 0.38 | 69 |
IV.BOSL.HHN. | 2023-04-23T13:48:21.57 | 0.3 | undecidable | manual | P | 192 | 37.9287 | 118 | 0.15 | 72 |
IV.VISG.HHZ. | 2023-04-23T13:48:20.95 | 0.6 | undecidable | manual | S | 198 | 8.9799 | 159 | -0.88 | 39 |
IV.SEI.HHZ. | 2023-04-23T13:48:19.46 | 0.1 | undecidable | manual | P | 201 | 25.0527 | 131 | -0.33 | 94 |
IV.LMD.HHZ. | 2023-04-23T13:48:19.97 | 0.3 | undecidable | manual | P | 138 | 28.1496 | 127 | -0.19 | 72 |
IV.MTRZ.HHZ. | 2023-04-23T13:48:18.49 | 0.1 | undecidable | manual | P | 326 | 6.2937 | 165 | 0.29 | 100 |
IV.VISG.HHZ. | 2023-04-23T13:48:17.85 | 0.1 | positive | manual | P | 198 | 8.9799 | 159 | -0.48 | 93 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.VISG.HHE. | ML:1.8 | 0.00039720975 | 0.1984 | AML | other | m | 2023-04-23T13:48:21.21 |
IV.VISG.HHN. | ML:1.7 | 0.0002796089 | 0.4992 | AML | other | m | 2023-04-23T13:48:21.39 |
IV.MTRZ.HHE. | ML:2.0 | 0.0006643940499999999 | 0.5632 | AML | other | m | 2023-04-23T13:48:23.53 |
IV.MTRZ.HNE. | ML:2.0 | 0.0006883558499999999 | 0.5696 | AML | other | m | 2023-04-23T13:48:23.25 |
IV.MTRZ.HNN. | ML:2.0 | 0.0005850325999999999 | 0.2112 | AML | other | m | 2023-04-23T13:48:23.85 |
IV.SEI.HHN. | ML:1.7 | 0.0001923214 | 0.1856 | AML | other | m | 2023-04-23T13:48:24.41 |
IV.SEI.HHE. | ML:1.4 | 0.00011671825 | 0.4608 | AML | other | m | 2023-04-23T13:48:24.53 |