A magnitude ML 1.1 earthquake occured in region: 5 km W Castel San Pietro Terme (BO), on
and geographic coordinates (lat, lon) 44.3790, 11.5280 at 29 km depth.
The earthquake was located by: Sala Sismica INGV-Roma.
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 San Pietro Terme | BO | 5 | 20811 | 20811 |
Ozzano dell'Emilia | BO | 8 | 13596 | 34407 |
Dozza | BO | 8 | 6652 | 41059 |
Monterenzio | BO | 11 | 6035 | 47094 |
Casalfiumanese | BO | 11 | 3438 | 50532 |
Borgo Tossignano | BO | 12 | 3288 | 53820 |
Castel Guelfo di Bologna | BO | 14 | 4455 | 58275 |
Fontanelice | BO | 14 | 1943 | 60218 |
San Lazzaro di Savena | BO | 14 | 32065 | 92283 |
Medicina | BO | 14 | 16739 | 109022 |
Pianoro | BO | 15 | 17460 | 126482 |
Castenaso | BO | 15 | 14925 | 141407 |
Imola | BO | 15 | 69797 | 211204 |
Budrio | BO | 18 | 18412 | 229616 |
Castel del Rio | BO | 18 | 1246 | 230862 |
Casola Valsenio | RA | 19 | 2617 | 233479 |
Riolo Terme | RA | 19 | 5720 | 239199 |
Bologna | BO | 20 | 386663 | 625862 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 1.1 | 2020-08-17 23:33:50 |
44.3792 | 11.5277 | 29 | 2020-08-17 23:40:37 |
Sala Sismica INGV-Roma | 82100151 |
Field | Value |
---|---|
Time (UTC) | 2020-08-17 23:33:50 ± 0.6 |
Latitude | 44.3792 ± 0.0171 |
Longitude | 11.5277 ± 0.0201 |
Depth (km) | 29 ± 4 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 100 -> SURVEY-INGV |
Event type | earthquake |
Origin ID | 82100151 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 1820 |
Semi-minor axis of confidence ellipse (meter) | 424 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 1 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 1820.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 138 |
Number of associated phases, regardless of their use for origin computation | 13 |
Number of defining phases | 12 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.46 |
Epicentral distance of station closest to the epicenter (degree) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 0.39480 |
Number of stations at which the event was observed | 7 |
Number of stations from which data was used for origin computation | 6 |
Field | Value |
---|---|
Value | 1.1 |
Uncertainty | 0.3 |
Num. used stations | 12 |
Type of magnitude | ML |
Reference to an origin | 82100151 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2020-08-17 23:40:37 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.ATPI.EHZ. | 2020-08-17T23:34:10.04 | 3.0 | undecidable | manual | P | 0.36 | 0 | |||
IV.ZCCA.HHZ. | 2020-08-17T23:34:06.57 | 0.6 | undecidable | manual | S | 266 | 43.8228 | 118 | 0.9 | 37 |
IV.FNVD.HHZ. | 2020-08-17T23:34:04.05 | 0.6 | undecidable | manual | S | 234 | 39.8268 | 121 | -0.69 | 42 |
IV.FIU.EHE. | 2020-08-17T23:34:02.21 | 0.6 | undecidable | manual | S | 354 | 29.1486 | 130 | -0.19 | 47 |
IV.BRIS.HHZ. | 2020-08-17T23:34:01.79 | 0.3 | undecidable | manual | S | 132 | 25.5522 | 134 | 0.09 | 76 |
IV.VISG.HHZ. | 2020-08-17T23:34:00.37 | 0.6 | undecidable | manual | S | 199 | 22.3554 | 138 | -0.74 | 41 |
IV.MTRZ.HHZ. | 2020-08-17T23:33:59.70 | 0.6 | undecidable | manual | S | 228 | 10.9779 | 157 | 0.24 | 50 |
IV.ZCCA.HHZ. | 2020-08-17T23:33:59.81 | 0.1 | undecidable | manual | P | 266 | 43.8228 | 118 | 0.63 | 84 |
IV.FNVD.HHZ. | 2020-08-17T23:33:58.11 | 0.1 | negative | manual | P | 234 | 39.8268 | 121 | -0.53 | 88 |
IV.BRIS.HHZ. | 2020-08-17T23:33:57.60 | 0.6 | undecidable | manual | P | 132 | 25.5522 | 134 | 0.72 | 43 |
IV.FIU.EHE. | 2020-08-17T23:33:57.00 | 0.1 | undecidable | manual | P | 354 | 29.1486 | 130 | -0.29 | 93 |
IV.VISG.HHZ. | 2020-08-17T23:33:56.31 | 0.1 | undecidable | manual | P | 199 | 22.3554 | 138 | -0.23 | 97 |
IV.MTRZ.HHZ. | 2020-08-17T23:33:55.83 | 0.1 | undecidable | manual | P | 228 | 10.9779 | 157 | 0.23 | 100 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.VISG.HHE. | ML:0.6 | 0.000015668330000000003 | 0.4736 | AML | other | m | 2020-08-17T23:34:00.69 |
IV.VISG.HHN. | ML:1.1 | 0.000050200904999999996 | 0.3968 | AML | other | m | 2020-08-17T23:34:01.56 |
IV.BRIS.HHN. | ML:0.9 | 0.000029920275 | 1.3824 | AML | other | m | 2020-08-17T23:34:02.20 |
IV.BRIS.HHE. | ML:0.9 | 0.000029499135000000003 | 0.832 | AML | other | m | 2020-08-17T23:34:04.15 |
IV.BRIS.HNN. | ML:1.5 | 0.0001099909 | 1.1264 | AML | other | m | 2020-08-17T23:34:02.26 |
IV.BRIS.HNE. | ML:1.2 | 0.00006308409 | 0.5888 | AML | other | m | 2020-08-17T23:34:01.35 |
IV.FNVD.HHE. | ML:0.9 | 0.00001947587 | 0.2176 | AML | other | m | 2020-08-17T23:34:06.03 |
IV.FNVD.HHN. | ML:1.1 | 0.00003251341 | 0.0768 | AML | other | m | 2020-08-17T23:34:04.60 |
IV.ZCCA.HHN. | ML:0.8 | 0.000013717817000000001 | 0.32 | AML | other | m | 2020-08-17T23:34:06.75 |
IV.ZCCA.HNE. | ML:1.6 | 0.000105633565 | 0.448 | AML | other | m | 2020-08-17T23:34:06.59 |
IV.ZCCA.HNN. | ML:1.6 | 0.00009217211 | 0.576 | AML | other | m | 2020-08-17T23:34:07.51 |
IV.ZCCA.HHE. | ML:1.1 | 0.00003201597 | 1.728 | AML | other | m | 2020-08-17T23:34:07.17 |