A magnitude ML 1.5 earthquake occured in region: 6 km NW Casalfiumanese (BO), on
and geographic coordinates (lat, lon) 44.3320, 11.5520 at 27 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 |
---|---|---|---|---|
Casalfiumanese | BO | 6 | 3438 | 3438 |
Borgo Tossignano | BO | 7 | 3288 | 6726 |
Dozza | BO | 7 | 6652 | 13378 |
Castel San Pietro Terme | BO | 8 | 20811 | 34189 |
Fontanelice | BO | 8 | 1943 | 36132 |
Monterenzio | BO | 12 | 6035 | 42167 |
Casola Valsenio | RA | 13 | 2617 | 44784 |
Imola | BO | 13 | 69797 | 114581 |
Castel del Rio | BO | 14 | 1246 | 115827 |
Ozzano dell'Emilia | BO | 14 | 13596 | 129423 |
Riolo Terme | RA | 15 | 5720 | 135143 |
Castel Guelfo di Bologna | BO | 15 | 4455 | 139598 |
Pianoro | BO | 18 | 17460 | 157058 |
Medicina | BO | 18 | 16739 | 173797 |
San Lazzaro di Savena | BO | 19 | 32065 | 205862 |
Loiano | BO | 19 | 4294 | 210156 |
Castel Bolognese | RA | 20 | 9554 | 219710 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
ML 1.5 | 2020-04-11 20:43:57 |
44.3317 | 11.552 | 27 | 2020-07-18 21:08:37 |
Bollettino Sismico Italiano INGV | 79452561 |
Reviewed Rev100 |
ML 1.4 | 2020-04-11 20:43:58 |
44.3245 | 11.5567 | 25 | 2020-04-11 20:50:18 |
Sala Sismica INGV-Roma | 78122561 |
Field | Value |
---|---|
Time (UTC) | 2020-04-11 20:43:57 ± 0.46 |
Latitude | 44.3317 ± 0.0162 |
Longitude | 11.5520 ± 0.0239 |
Depth (km) | 27 ± 3 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-INGV |
Event type | earthquake |
Origin ID | 79452561 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 2059 |
Semi-minor axis of confidence ellipse (meter) | 1245 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 48 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 2060.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 227 |
Number of associated phases, regardless of their use for origin computation | 12 |
Number of defining phases | 12 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.34 |
Epicentral distance of station closest to the epicenter (degree) | 0.09263 |
Epicentral distance of station farthest from the epicenter (degree) | 0.47664 |
Number of stations at which the event was observed | 6 |
Number of stations from which data was used for origin computation | 6 |
Field | Value |
---|---|
Value | 1.5 |
Uncertainty | 0.3 |
Num. used stations | 12 |
Type of magnitude | ML |
Reference to an origin | 79452561 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2020-07-09 22:27:08 |
Field | Value |
---|---|
Value | 1.4 |
Uncertainty | 0.3 |
Num. used stations | 12 |
Type of magnitude | ML |
Reference to an origin | 78122561 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2020-04-11 20:50:18 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.SFI.EHZ. | 2020-04-11T20:44:15.57 | 0.6 | undecidable | manual | S | 154 | 52.9026 | 111 | 0.34 | 44 |
IV.LMD.HHZ. | 2020-04-11T20:44:10.05 | 0.6 | undecidable | manual | S | 156 | 30.747 | 126 | 0.05 | 49 |
IV.SEI.HHZ. | 2020-04-11T20:44:10.75 | 0.6 | undecidable | manual | S | 207 | 34.4433 | 122 | -0.05 | 48 |
IV.SFI.EHZ. | 2020-04-11T20:44:08.19 | 0.1 | undecidable | manual | P | 154 | 52.9026 | 111 | 0.29 | 89 |
IV.VISG.HHZ. | 2020-04-11T20:44:07.07 | 0.6 | undecidable | manual | S | 211 | 18.3705 | 142 | -0.52 | 44 |
IV.MTRZ.HHZ. | 2020-04-11T20:44:07.16 | 0.6 | undecidable | manual | S | 258 | 10.2786 | 157 | 0.68 | 44 |
IV.BRIS.HHZ. | 2020-04-11T20:44:07.85 | 0.6 | undecidable | manual | S | 125 | 20.7681 | 138 | -0.15 | 48 |
IV.SEI.HHZ. | 2020-04-11T20:44:05.40 | 0.3 | undecidable | manual | P | 207 | 34.4433 | 122 | 0.06 | 73 |
IV.LMD.HHZ. | 2020-04-11T20:44:04.48 | 0.3 | undecidable | manual | P | 156 | 30.747 | 126 | -0.4 | 68 |
IV.BRIS.HHZ. | 2020-04-11T20:44:03.75 | 0.1 | undecidable | manual | P | 125 | 20.7681 | 138 | 0.03 | 100 |
IV.MTRZ.HHZ. | 2020-04-11T20:44:03.23 | 0.1 | negative | manual | P | 258 | 10.2786 | 157 | 0.38 | 95 |
IV.VISG.HHZ. | 2020-04-11T20:44:02.94 | 0.1 | undecidable | manual | P | 211 | 18.3705 | 142 | -0.55 | 88 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.VISG.HHN. | ML:1.6 | 0.00019800000000000002 | 0.26 | AML | other | m | 2020-04-11T20:44:07.75 |
IV.VISG.HHE. | ML:1.6 | 0.00017749999999999998 | 1 | AML | other | m | 2020-04-11T20:44:08.78 |
IV.MTRZ.HHN. | ML:1.7 | 0.000252 | 0.92 | AML | other | m | 2020-04-11T20:44:08.70 |
IV.MTRZ.HHE. | ML:1.3 | 0.00010765 | 0.76 | AML | other | m | 2020-04-11T20:44:09.57 |
IV.BRIS.HHE. | ML:1.2 | 0.0000637 | 1.82 | AML | other | m | 2020-04-11T20:44:10.95 |
IV.BRIS.HHN. | ML:1.4 | 0.00010295 | 0.26 | AML | other | m | 2020-04-11T20:44:10.09 |
IV.LMD.HHN. | ML:1.6 | 0.000129 | 0.24 | AML | other | m | 2020-04-11T20:44:10.32 |
IV.LMD.HHE. | ML:1.4 | 0.00009315 | 0.7 | AML | other | m | 2020-04-11T20:44:10.13 |
IV.SEI.HHN. | ML:2.2 | 0.000448 | 0.38 | AML | other | m | 2020-04-11T20:44:11.28 |
IV.SEI.HHE. | ML:1.6 | 0.0001225 | 0.96 | AML | other | m | 2020-04-11T20:44:12.87 |
IV.SFI.EHN. | ML:1.2 | 0.00003235000000000001 | 0.52 | AML | other | m | 2020-04-11T20:44:16.50 |
IV.SFI.EHE. | ML:1.0 | 0.00002155 | 1.12 | AML | other | m | 2020-04-11T20:44:16.41 |