A magnitude ML 1.6 earthquake occured in region: 3 km S Riolo Terme (RA), on
and geographic coordinates (lat, lon) 44.2480, 11.7260 at 16 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 |
---|---|---|---|---|
Riolo Terme | RA | 3 | 5720 | 5720 |
Brisighella | RA | 5 | 7639 | 13359 |
Casola Valsenio | RA | 9 | 2617 | 15976 |
Castel Bolognese | RA | 10 | 9554 | 25530 |
Casalfiumanese | BO | 10 | 3438 | 28968 |
Borgo Tossignano | BO | 11 | 3288 | 32256 |
Modigliana | FC | 12 | 4560 | 36816 |
Imola | BO | 12 | 69797 | 106613 |
Faenza | RA | 13 | 58541 | 165154 |
Fontanelice | BO | 13 | 1943 | 167097 |
Dozza | BO | 15 | 6652 | 173749 |
Solarolo | RA | 16 | 4488 | 178237 |
Bagnara di Romagna | RA | 18 | 2429 | 180666 |
Castel del Rio | BO | 18 | 1246 | 181912 |
Mordano | BO | 18 | 4760 | 186672 |
Tredozio | FC | 19 | 1212 | 187884 |
Dovadola | FC | 19 | 1653 | 189537 |
Castrocaro Terme e Terra del Sole | FC | 20 | 6426 | 195963 |
Castel San Pietro Terme | BO | 20 | 20811 | 216774 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
ML 1.6 | 2018-05-22 22:33:48 |
44.2485 | 11.726 | 16 | 2019-04-24 14:51:11 |
Bollettino Sismico Italiano INGV | 66555671 |
Reviewed Rev100 |
ML 1.6 | 2018-05-22 22:33:48 |
44.2457 | 11.7117 | 15 | 2018-05-22 22:43:47 |
Sala Sismica INGV-Roma | 57141771 |
Field | Value |
---|---|
Time (UTC) | 2018-05-22 22:33:48 ± 0.21 |
Latitude | 44.2485 ± 0.0090 |
Longitude | 11.7260 ± 0.0176 |
Depth (km) | 16 ± 2 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-INGV |
Event type | earthquake |
Origin ID | 66555671 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 1229 |
Semi-minor axis of confidence ellipse (meter) | 826 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 272 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 1230.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 79 |
Number of associated phases, regardless of their use for origin computation | 19 |
Number of defining phases | 19 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.37 |
Epicentral distance of station closest to the epicenter (degree) | 0.03777 |
Epicentral distance of station farthest from the epicenter (degree) | 0.46045 |
Number of stations at which the event was observed | 12 |
Number of stations from which data was used for origin computation | 12 |
Field | Value |
---|---|
Value | 1.6 |
Uncertainty | 0.3 |
Num. used stations | 18 |
Type of magnitude | ML |
Reference to an origin | 66555671 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2019-03-20 13:45:55 |
Field | Value |
---|---|
Value | 1.6 |
Uncertainty | 0.3 |
Num. used stations | 18 |
Type of magnitude | ML |
Reference to an origin | 57141771 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2018-05-22 22:43:47 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.ASQU.HHZ. | 2018-05-22T22:34:05.38 | 1.0 | undecidable | manual | S | 174 | 50.4162 | 97 | 1.14 | 17 |
IV.FNVD.HHN. | 2018-05-22T22:34:04.19 | 1.0 | undecidable | manual | S | 260 | 48.8178 | 97 | 0.36 | 23 |
IV.SFI.EHZ. | 2018-05-22T22:34:02.24 | 1.0 | undecidable | manual | S | 166 | 39.3273 | 99 | 0.92 | 19 |
IV.MTRZ.HNZ. | 2018-05-22T22:33:58.92 | 0.6 | undecidable | manual | S | 287 | 24.9528 | 108 | 1.33 | 32 |
IV.ASQU.HHZ. | 2018-05-22T22:33:57.42 | 0.3 | undecidable | manual | P | 174 | 50.4162 | 97 | -0.07 | 73 |
IV.MOCL.EHZ. | 2018-05-22T22:33:57.54 | 0.6 | undecidable | manual | P | 238 | 51.1155 | 97 | -0.07 | 48 |
IV.RUFI.EHZ. | 2018-05-22T22:33:57.46 | 1.0 | undecidable | manual | P | 201 | 48.7179 | 97 | 0.22 | 24 |
IV.LMD.HHZ. | 2018-05-22T22:33:56.53 | 0.6 | undecidable | manual | S | 185 | 19.0698 | 117 | 0.41 | 49 |
IV.FNVD.HHN. | 2018-05-22T22:33:56.80 | 0.6 | undecidable | manual | P | 260 | 48.8178 | 97 | -0.46 | 45 |
IV.CMPO.HNN. | 2018-05-22T22:33:55.84 | 0.6 | undecidable | manual | P | 10 | 37.4292 | 100 | 0.33 | 46 |
IV.SFI.EHZ. | 2018-05-22T22:33:55.17 | 0.6 | undecidable | manual | P | 166 | 39.3273 | 99 | -0.64 | 43 |
IV.IMOL.EHZ. | 2018-05-22T22:33:54.80 | 0.3 | undecidable | manual | S | 6 | 12.3765 | 132 | 0.13 | 76 |
IV.BRSN.EHZ. | 2018-05-22T22:33:54.75 | 0.6 | undecidable | manual | P | 82 | 28.4493 | 105 | 0.59 | 43 |
IV.MTRZ.HNZ. | 2018-05-22T22:33:53.50 | 0.3 | undecidable | manual | P | 287 | 24.9528 | 108 | -0.15 | 75 |
IV.BRIS.HHZ. | 2018-05-22T22:33:53.67 | 0.3 | undecidable | manual | S | 129 | 4.1958 | 162 | 0.22 | 77 |
IV.FAEN.HNZ. | 2018-05-22T22:33:52.26 | 0.3 | undecidable | manual | P | 69 | 12.7761 | 131 | 0.25 | 74 |
IV.LMD.HHZ. | 2018-05-22T22:33:52.39 | 0.1 | undecidable | manual | P | 185 | 19.0698 | 117 | -0.42 | 95 |
IV.IMOL.EHZ. | 2018-05-22T22:33:51.37 | 0.1 | undecidable | manual | P | 6 | 12.3765 | 132 | -0.6 | 93 |
IV.BRIS.HHZ. | 2018-05-22T22:33:50.96 | 0.1 | negative | manual | P | 129 | 4.1958 | 162 | -0.31 | 100 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.BRIS.HNE. | ML:1.8 | 0.0007174607 | 0.1536 | AML | other | m | 2018-05-22T22:33:53.79 |
IV.BRIS.HHE. | ML:1.8 | 0.0007643717500000001 | 0.1664 | AML | other | m | 2018-05-22T22:33:53.79 |
IV.BRIS.HHN. | ML:2.0 | 0.00100225045 | 0.1152 | AML | other | m | 2018-05-22T22:33:53.91 |
IV.BRIS.HNN. | ML:1.9 | 0.0008358521 | 0.1408 | AML | other | m | 2018-05-22T22:33:53.91 |
IV.IMOL.HNN. | ML:1.9 | 0.0007881301 | 0.1792 | AML | other | m | 2018-05-22T22:33:55.40 |
IV.IMOL.HNE. | ML:1.7 | 0.00045179979999999996 | 0.1408 | AML | other | m | 2018-05-22T22:33:55.64 |
IV.LMD.HHN. | ML:1.1 | 0.000082913575 | 0.2048 | AML | other | m | 2018-05-22T22:33:57.68 |
IV.LMD.HHE. | ML:1.0 | 0.00006817627 | 1.7568 | AML | other | m | 2018-05-22T22:33:57.02 |
IV.BRSN.EHN. | ML:1.7 | 0.0002145922 | 0.3456 | AML | other | m | 2018-05-22T22:34:03.19 |
IV.SFI.EHE. | ML:1.1 | 0.000037806885 | 0.2816 | AML | other | m | 2018-05-22T22:34:03.56 |
IV.BRSN.EHE. | ML:1.6 | 0.00020011112 | 0.2816 | AML | other | m | 2018-05-22T22:34:03.51 |
IV.BRSN.HNE. | ML:1.8 | 0.00029538705 | 0.3584 | AML | other | m | 2018-05-22T22:34:03.53 |
IV.SFI.EHN. | ML:1.2 | 0.00004780993 | 0.1792 | AML | other | m | 2018-05-22T22:34:03.67 |
IV.ASQU.HHE. | ML:0.9 | 0.0000187819 | 1.6288 | AML | other | m | 2018-05-22T22:34:07.01 |
IV.ASQU.HHN. | ML:1.0 | 0.000027035379999999997 | 0.256 | AML | other | m | 2018-05-22T22:34:07.31 |
IV.BRSN.HNN. | ML:1.7 | 0.00021781790000000001 | 0.512 | AML | other | m | 2018-05-22T22:34:09.15 |
IV.SFI.HNN. | ML:1.4 | 0.00009660730000000001 | 0.64 | AML | other | m | 2018-05-22T22:34:12.22 |
IV.SFI.HNE. | ML:1.5 | 0.00010746444999999999 | 0.5632 | AML | other | m | 2018-05-22T22:34:15.76 |