A magnitude ML 1.5 earthquake occured in region: 3 km E Casalfiumanese (BO), on
and geographic coordinates (lat, lon) 44.3050, 11.6550 at 23 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 | 3 | 3438 | 3438 |
Borgo Tossignano | BO | 6 | 3288 | 6726 |
Riolo Terme | RA | 6 | 5720 | 12446 |
Dozza | BO | 7 | 6652 | 19098 |
Imola | BO | 7 | 69797 | 88895 |
Casola Valsenio | RA | 9 | 2617 | 91512 |
Fontanelice | BO | 9 | 1943 | 93455 |
Castel Bolognese | RA | 12 | 9554 | 103009 |
Castel San Pietro Terme | BO | 12 | 20811 | 123820 |
Brisighella | RA | 13 | 7639 | 131459 |
Castel Guelfo di Bologna | BO | 14 | 4455 | 135914 |
Castel del Rio | BO | 16 | 1246 | 137160 |
Mordano | BO | 16 | 4760 | 141920 |
Solarolo | RA | 16 | 4488 | 146408 |
Bagnara di Romagna | RA | 17 | 2429 | 148837 |
Faenza | RA | 18 | 58541 | 207378 |
Medicina | BO | 19 | 16739 | 224117 |
Modigliana | FC | 20 | 4560 | 228677 |
Monterenzio | BO | 20 | 6035 | 234712 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
ML 1.5 | 2018-05-04 13:38:43 |
44.3047 | 11.6547 | 23 | 2019-04-24 14:51:10 |
Bollettino Sismico Italiano INGV | 66298141 |
Reviewed Rev100 |
ML 1.6 | 2018-05-04 13:38:42 |
44.2993 | 11.6808 | 26 | 2018-05-04 13:45:13 |
Sala Sismica INGV-Roma | 56474851 |
Field | Value |
---|---|
Time (UTC) | 2018-05-04 13:38:43 ± 0.36 |
Latitude | 44.3047 ± 0.0108 |
Longitude | 11.6547 ± 0.0151 |
Depth (km) | 23 ± 2 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-INGV |
Event type | earthquake |
Origin ID | 66298141 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 1060 |
Semi-minor axis of confidence ellipse (meter) | 925 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 233 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 1060.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 136 |
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) | 0.31 |
Epicentral distance of station closest to the epicenter (degree) | 0.08364 |
Epicentral distance of station farthest from the epicenter (degree) | 0.42268 |
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 | 1.6 |
Uncertainty | 0.3 |
Num. used stations | 12 |
Type of magnitude | ML |
Reference to an origin | 56474851 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2018-05-04 13:45:13 |
Field | Value |
---|---|
Value | 1.5 |
Uncertainty | 0.3 |
Num. used stations | 12 |
Type of magnitude | ML |
Reference to an origin | 66298141 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2019-03-08 14:48:29 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.SFI.HNN. | 2018-05-04T13:38:59.70 | 0.6 | undecidable | manual | S | 161 | 46.9197 | 109 | 0.92 | 37 |
IV.SEI.HHZ. | 2018-05-04T13:38:56.57 | 0.6 | undecidable | manual | S | 220 | 36.4413 | 116 | 0.38 | 46 |
IV.LMD.HHZ. | 2018-05-04T13:38:53.33 | 0.6 | undecidable | manual | S | 171 | 25.5522 | 126 | -0.36 | 47 |
IV.MTRZ.HHZ. | 2018-05-04T13:38:52.32 | 0.6 | undecidable | manual | S | 273 | 18.2706 | 137 | 0.09 | 50 |
IV.SFI.HNN. | 2018-05-04T13:38:52.35 | 0.1 | undecidable | manual | P | 161 | 46.9197 | 109 | 0.14 | 94 |
IV.IMOL.HNZ. | 2018-05-04T13:38:51.39 | 0.6 | undecidable | manual | S | 49 | 9.2796 | 156 | 0.51 | 46 |
IV.BRIS.HHZ. | 2018-05-04T13:38:51.24 | 0.6 | undecidable | manual | S | 135 | 12.5763 | 148 | -0.06 | 51 |
IV.SEI.HHZ. | 2018-05-04T13:38:50.61 | 0.1 | undecidable | manual | P | 220 | 36.4413 | 116 | -0.1 | 97 |
IV.MTRZ.HHZ. | 2018-05-04T13:38:48.51 | 0.3 | undecidable | manual | P | 273 | 18.2706 | 137 | 0.09 | 76 |
IV.LMD.HHZ. | 2018-05-04T13:38:48.84 | 0.1 | undecidable | manual | P | 171 | 25.5522 | 126 | -0.43 | 93 |
IV.IMOL.HNZ. | 2018-05-04T13:38:47.52 | 0.3 | undecidable | manual | P | 49 | 9.2796 | 156 | -0.13 | 77 |
IV.BRIS.HHZ. | 2018-05-04T13:38:47.70 | 0.1 | undecidable | manual | P | 135 | 12.5763 | 148 | -0.19 | 100 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.BRIS.HHE. | ML:1.7 | 0.0002963556 | 0.3008 | AML | other | m | 2018-05-04T13:38:51.47 |
IV.BRIS.HNE. | ML:1.7 | 0.00030295815000000003 | 0.2816 | AML | other | m | 2018-05-04T13:38:51.48 |
IV.BRIS.HHN. | ML:1.4 | 0.00015990843999999998 | 0.16 | AML | other | m | 2018-05-04T13:38:51.65 |
IV.LMD.HHE. | ML:1.1 | 0.000053442215 | 0.1792 | AML | other | m | 2018-05-04T13:38:53.70 |
IV.BRIS.HNN. | ML:1.6 | 0.00022114332 | 0.2304 | AML | other | m | 2018-05-04T13:38:54.53 |
IV.LMD.HHN. | ML:1.2 | 0.000070635425 | 0.32 | AML | other | m | 2018-05-04T13:38:54.67 |
IV.MTRZ.HHN. | ML:1.5 | 0.0001499057 | 0.4544 | AML | other | m | 2018-05-04T13:38:55.40 |
IV.MTRZ.HNN. | ML:1.5 | 0.0001482201 | 0.4544 | AML | other | m | 2018-05-04T13:38:55.17 |
IV.MTRZ.HHE. | ML:1.4 | 0.00011964785 | 1.4368 | AML | other | m | 2018-05-04T13:38:57.92 |
IV.MTRZ.HNE. | ML:1.4 | 0.00013378625 | 1.4368 | AML | other | m | 2018-05-04T13:38:57.92 |
IV.SEI.HHN. | ML:2.3 | 0.0006972186499999999 | 0.2624 | AML | other | m | 2018-05-04T13:38:57.37 |
IV.SEI.HHE. | ML:1.8 | 0.00018693405000000003 | 0.2816 | AML | other | m | 2018-05-04T13:38:57.83 |