A magnitude ML 1.3 earthquake occured in region: 3 km S Loiano (BO), on
and geographic coordinates (lat, lon) 44.2460, 11.3180 at 25 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 |
---|---|---|---|---|
Loiano | BO | 3 | 4294 | 4294 |
Monghidoro | BO | 3 | 3749 | 8043 |
Monzuno | BO | 5 | 6328 | 14371 |
San Benedetto Val di Sambro | BO | 8 | 4315 | 18686 |
Monterenzio | BO | 11 | 6035 | 24721 |
Grizzana Morandi | BO | 13 | 3916 | 28637 |
Marzabotto | BO | 14 | 6779 | 35416 |
Firenzuola | FI | 15 | 4726 | 40142 |
Castel del Rio | BO | 15 | 1246 | 41388 |
Pianoro | BO | 16 | 17460 | 58848 |
Vergato | BO | 17 | 7639 | 66487 |
Castiglione dei Pepoli | BO | 17 | 5648 | 72135 |
Sasso Marconi | BO | 18 | 14735 | 86870 |
Fontanelice | BO | 19 | 1943 | 88813 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
ML 1.3 | 2021-12-20 09:28:54 |
44.246 | 11.3182 | 25 | 2022-03-30 13:04:41 |
Bollettino Sismico Italiano INGV | 102180641 |
Reviewed Rev100 |
ML 1.3 | 2021-12-20 09:28:54 |
44.2393 | 11.3228 | 26 | 2021-12-20 09:34:34 |
Sala Sismica INGV-Roma | 98748891 |
Field | Value |
---|---|
Time (UTC) | 2021-12-20 09:28:54 ± 0.42 |
Latitude | 44.2460 ± 0.0117 |
Longitude | 11.3182 ± 0.0188 |
Depth (km) | 25 ± 3 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-INGV |
Event type | earthquake |
Origin ID | 102180641 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 1448 |
Semi-minor axis of confidence ellipse (meter) | 551 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 301 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 1450.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 168 |
Number of associated phases, regardless of their use for origin computation | 18 |
Number of defining phases | 10 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.28 |
Epicentral distance of station closest to the epicenter (degree) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 0.25990 |
Number of stations at which the event was observed | 13 |
Number of stations from which data was used for origin computation | 5 |
Field | Value |
---|---|
Value | 1.3 |
Uncertainty | 0.2 |
Num. used stations | 6 |
Type of magnitude | ML |
Reference to an origin | 102180641 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2022-03-20 12:03:27 |
Field | Value |
---|---|
Value | 1.3 |
Uncertainty | 0.2 |
Num. used stations | 6 |
Type of magnitude | ML |
Reference to an origin | 98748891 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2021-12-20 09:34:34 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.RESU.HHZ. | 2021-12-20T09:30:31.56 | 3.0 | undecidable | manual | Pg | 20.23 | 0 | |||
IT.ORP.HGZ. | 2021-12-20T09:30:12.56 | 3.0 | undecidable | manual | Sn | -1.73 | 0 | |||
OT.OT05.EHZ. | 2021-12-20T09:30:12.42 | 3.0 | undecidable | manual | Sn | -0.85 | 0 | |||
IV.TST01.HHZ. | 2021-12-20T09:29:23.42 | 3.0 | undecidable | manual | Pn | 0.7 | 0 | |||
IV.ZEN8.EHZ. | 2021-12-20T09:29:21.90 | 3.0 | undecidable | manual | Pg | 1.98 | 0 | |||
IV.RMP.HHZ. | 2021-12-20T09:29:15.83 | 3.0 | negative | manual | Pg | 3.32 | 0 | |||
IV.MOCL.EHZ. | 2021-12-20T09:29:06.03 | 0.6 | undecidable | manual | S | 202 | 28.8489 | 125 | 0.24 | 47 |
IV.SEI.HHZ. | 2021-12-20T09:29:04.57 | 0.6 | undecidable | manual | S | 171 | 21.4674 | 134 | 0.31 | 47 |
IV.MTRZ.HHZ. | 2021-12-20T09:29:03.32 | 0.6 | undecidable | manual | S | 49 | 11.2776 | 153 | 0.7 | 42 |
IV.FNVD.HHZ. | 2021-12-20T09:29:03.39 | 0.6 | undecidable | manual | S | 241 | 17.7711 | 140 | -0.2 | 49 |
IV.VISG.HHZ. | 2021-12-20T09:29:02.04 | 0.6 | undecidable | manual | S | 124 | 11.1777 | 153 | -0.57 | 45 |
IV.MOCL.EHZ. | 2021-12-20T09:29:00.91 | 0.6 | undecidable | manual | P | 202 | 28.8489 | 125 | -0.05 | 49 |
IV.SEI.HHZ. | 2021-12-20T09:29:00.12 | 0.1 | undecidable | manual | P | 171 | 21.4674 | 134 | 0.04 | 100 |
IV.MTRZ.HHZ. | 2021-12-20T09:28:59.20 | 0.3 | undecidable | manual | P | 49 | 11.2776 | 153 | 0.06 | 76 |
IV.FNVD.HHZ. | 2021-12-20T09:28:59.64 | 0.3 | undecidable | manual | P | 241 | 17.7711 | 140 | -0.05 | 75 |
IV.VISG.HHZ. | 2021-12-20T09:28:58.90 | 0.1 | undecidable | manual | P | 124 | 11.1777 | 153 | -0.23 | 98 |
IV.FOSV.EHZ. | 2021-12-20T09:28:54.74 | 3.0 | undecidable | manual | P | -0.24 | 0 | |||
IV.PE3.EHZ. | 2021-12-20T09:28:51.84 | 3.0 | negative | manual | P | 0.12 | 0 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.MTRZ.HHE. | ML:1.4 | 0.00014099999999999998 | 0.82 | AML | other | m | 2021-12-20T09:29:03.78 |
IV.FNVD.HHE. | ML:1.5 | 0.00014524999999999998 | 0.44 | AML | other | m | 2021-12-20T09:29:04.07 |
IV.FNVD.HHN. | ML:1.5 | 0.000158 | 0.22 | AML | other | m | 2021-12-20T09:29:04.49 |
IV.SEI.HHN. | ML:1.2 | 0.00006945 | 0.9 | AML | other | m | 2021-12-20T09:29:05.14 |
IV.MTRZ.HHN. | ML:1.3 | 0.0001126 | 0.3 | AML | other | m | 2021-12-20T09:29:05.81 |
IV.SEI.HHE. | ML:1.1 | 0.00005555 | 1.46 | AML | other | m | 2021-12-20T09:29:05.95 |