A magnitude ML 1.3 earthquake occured in region: 7 km NW Borgo Tossignano (BO), on
and geographic coordinates (lat, lon) 44.3170, 11.5240 at 30 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 |
---|---|---|---|---|
Borgo Tossignano | BO | 7 | 3288 | 3288 |
Fontanelice | BO | 7 | 1943 | 5231 |
Casalfiumanese | BO | 8 | 3438 | 8669 |
Monterenzio | BO | 9 | 6035 | 14704 |
Dozza | BO | 10 | 6652 | 21356 |
Castel San Pietro Terme | BO | 11 | 20811 | 42167 |
Castel del Rio | BO | 12 | 1246 | 43413 |
Casola Valsenio | RA | 13 | 2617 | 46030 |
Ozzano dell'Emilia | BO | 15 | 13596 | 59626 |
Imola | BO | 16 | 69797 | 129423 |
Pianoro | BO | 16 | 17460 | 146883 |
Riolo Terme | RA | 17 | 5720 | 152603 |
Loiano | BO | 17 | 4294 | 156897 |
Castel Guelfo di Bologna | BO | 18 | 4455 | 161352 |
San Lazzaro di Savena | BO | 19 | 32065 | 193417 |
Monghidoro | BO | 20 | 3749 | 197166 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 1.3 | 2021-08-30 06:49:43 |
44.3168 | 11.5235 | 30 | 2021-08-30 07:08:49 |
Sala Sismica INGV-Roma | 94811601 |
Field | Value |
---|---|
Time (UTC) | 2021-08-30 06:49:43 ± 0.61 |
Latitude | 44.3168 ± 0.0270 |
Longitude | 11.5235 ± 0.0289 |
Depth (km) | 30 ± 3 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 100 -> SURVEY-INGV |
Event type | earthquake |
Origin ID | 94811601 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 2772 |
Semi-minor axis of confidence ellipse (meter) | 2205 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 341 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 2770.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 253 |
Number of associated phases, regardless of their use for origin computation | 15 |
Number of defining phases | 9 |
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) | 0.55398 |
Number of stations at which the event was observed | 11 |
Number of stations from which data was used for origin computation | 5 |
Field | Value |
---|---|
Value | 1.3 |
Uncertainty | 0.3 |
Num. used stations | 6 |
Type of magnitude | ML |
Reference to an origin | 94811601 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2021-08-30 07:08:49 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.TOLF.HHZ. | 2021-08-30T06:51:03.05 | 3.0 | undecidable | manual | Sg | 9.24 | 0 | |||
GU.CANO.HHZ. | 2021-08-30T06:50:47.16 | 3.0 | undecidable | manual | Sg | 1.75 | 0 | |||
IV.PP3.EHZ. | 2021-08-30T06:50:12.91 | 3.0 | positive | manual | Pn | 8.8 | 0 | |||
IV.BAG8.EHZ. | 2021-08-30T06:50:02.65 | 3.0 | undecidable | manual | S | -3.09 | 0 | |||
IV.FNVD.HHE. | 2021-08-30T06:49:56.98 | 0.3 | undecidable | manual | S | 243 | 35.8419 | 125 | -0.14 | 72 |
IV.SEI.HHZ. | 2021-08-30T06:49:56.54 | 0.3 | undecidable | manual | S | 204 | 31.9458 | 128 | 0.26 | 72 |
IV.ASQU.HHE. | 2021-08-30T06:49:55.21 | 0.3 | undecidable | manual | P | 160 | 61.494 | 110 | 0.35 | 66 |
IV.MTRZ.HHZ. | 2021-08-30T06:49:53.21 | 0.1 | undecidable | manual | S | 267 | 7.881 | 164 | 0.66 | 91 |
IV.VISG.HHZ. | 2021-08-30T06:49:52.88 | 0.1 | undecidable | manual | S | 207 | 15.873 | 149 | -0.53 | 91 |
IV.FNVD.HHE. | 2021-08-30T06:49:51.50 | 0.3 | undecidable | manual | P | 243 | 35.8419 | 125 | 0.16 | 73 |
IV.SEI.HHZ. | 2021-08-30T06:49:50.81 | 0.1 | undecidable | manual | P | 204 | 31.9458 | 128 | -0.05 | 100 |
IV.VISG.HHZ. | 2021-08-30T06:49:48.86 | 0.1 | undecidable | manual | P | 207 | 15.873 | 149 | -0.34 | 96 |
IV.MTRZ.HHZ. | 2021-08-30T06:49:48.51 | 0.3 | undecidable | manual | P | 267 | 7.881 | 164 | -0.19 | 75 |
IV.ZEN8.EHZ. | 2021-08-30T06:49:48.60 | 3.0 | negative | manual | P | 1.97 | 0 | |||
GU.GSCL.HHZ. | 2021-08-30T06:49:46.52 | 3.0 | positive | manual | P | -4.91 | 0 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.VISG.HHN. | ML:1.0 | 0.00004865 | 0.14 | AML | other | m | 2021-08-30T06:49:53.22 |
IV.VISG.HHE. | ML:0.8 | 0.000032500000000000004 | 0.22 | AML | other | m | 2021-08-30T06:49:53.13 |
IV.MTRZ.HHE. | ML:1.5 | 0.0001725 | 0.44 | AML | other | m | 2021-08-30T06:49:53.57 |
IV.MTRZ.HHN. | ML:1.5 | 0.00016949999999999997 | 0.7 | AML | other | m | 2021-08-30T06:49:53.83 |
IV.SEI.HHE. | ML:1.3 | 0.000061 | 0.3 | AML | other | m | 2021-08-30T06:49:57.70 |
IV.SEI.HHN. | ML:1.3 | 0.00007125 | 0.34 | AML | other | m | 2021-08-30T06:49:58.96 |