A magnitude ML 1.4 earthquake occured in region: 6 km SW Pianoro (BO), on
and geographic coordinates (lat, lon) 44.3310, 11.3170 at 26 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 |
---|---|---|---|---|
Pianoro | BO | 7 | 17460 | 17460 |
Loiano | BO | 7 | 4294 | 21754 |
Monzuno | BO | 7 | 6328 | 28082 |
Monterenzio | BO | 7 | 6035 | 34117 |
Marzabotto | BO | 9 | 6779 | 40896 |
Sasso Marconi | BO | 9 | 14735 | 55631 |
Monghidoro | BO | 12 | 3749 | 59380 |
San Benedetto Val di Sambro | BO | 14 | 4315 | 63695 |
Grizzana Morandi | BO | 16 | 3916 | 67611 |
Monte San Pietro | BO | 17 | 10982 | 78593 |
Casalecchio di Reno | BO | 17 | 36327 | 114920 |
Vergato | BO | 17 | 7639 | 122559 |
San Lazzaro di Savena | BO | 17 | 32065 | 154624 |
Ozzano dell'Emilia | BO | 18 | 13596 | 168220 |
Bologna | BO | 18 | 386663 | 554883 |
Zola Predosa | BO | 20 | 18770 | 573653 |
Castel del Rio | BO | 20 | 1246 | 574899 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
ML 1.4 | 2021-02-27 03:45:44 |
44.3312 | 11.3172 | 26 | 2021-07-12 16:55:02 |
Bollettino Sismico Italiano INGV | 88185241 |
Reviewed Rev100 |
ML 1.4 | 2021-02-27 03:45:45 |
44.301 | 11.3917 | 27 | 2021-02-27 03:53:18 |
Sala Sismica INGV-Roma | 87527311 |
Field | Value |
---|---|
Time (UTC) | 2021-02-27 03:45:44 ± 0.43 |
Latitude | 44.3312 ± 0.0252 |
Longitude | 11.3172 ± 0.0264 |
Depth (km) | 26 ± 3 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-INGV |
Event type | earthquake |
Origin ID | 88185241 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 2960 |
Semi-minor axis of confidence ellipse (meter) | 1082 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 34 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 2960.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 188 |
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) | 0.41 |
Epicentral distance of station closest to the epicenter (degree) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 0.37772 |
Number of stations at which the event was observed | 9 |
Number of stations from which data was used for origin computation | 8 |
Field | Value |
---|---|
Value | 1.4 |
Uncertainty | 0.2 |
Num. used stations | 6 |
Type of magnitude | ML |
Reference to an origin | 88185241 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2021-03-16 10:57:42 |
Field | Value |
---|---|
Value | 1.4 |
Uncertainty | 0.2 |
Num. used stations | 6 |
Type of magnitude | ML |
Reference to an origin | 87527311 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2021-02-27 03:53:18 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.PII.HHZ. | 2021-02-27T03:46:01.75 | 3.0 | positive | manual | P | 0.03 | 0 | |||
IV.LMD.HHE. | 2021-02-27T03:45:59.34 | 0.6 | undecidable | manual | S | 132 | 41.9247 | 115 | 0.18 | 47 |
IV.RONT.HHN. | 2021-02-27T03:45:59.15 | 0.6 | undecidable | manual | S | 166 | 38.5281 | 117 | 0.79 | 41 |
IV.RONT.HHN. | 2021-02-27T03:45:53.19 | 0.3 | undecidable | manual | P | 166 | 38.5281 | 117 | 0.63 | 62 |
IV.MTRZ.HHZ. | 2021-02-27T03:45:53.19 | 0.6 | undecidable | manual | S | 103 | 8.7801 | 159 | 0.42 | 49 |
IV.VISG.HHZ. | 2021-02-27T03:45:53.89 | 0.6 | undecidable | manual | S | 149 | 18.2706 | 140 | -0.18 | 48 |
IV.LMD.HHE. | 2021-02-27T03:45:52.69 | 0.3 | undecidable | manual | P | 132 | 41.9247 | 115 | -0.33 | 70 |
IV.BRIS.HHN. | 2021-02-27T03:45:52.11 | 0.3 | undecidable | manual | P | 108 | 37.629 | 118 | -0.32 | 72 |
IV.ZCCA.HHZ. | 2021-02-27T03:45:51.63 | 0.3 | undecidable | manual | P | 275 | 27.1506 | 128 | 0.56 | 65 |
IV.SEI.HHZ. | 2021-02-27T03:45:51.10 | 0.3 | undecidable | manual | P | 174 | 30.8469 | 124 | -0.44 | 68 |
IV.FNVD.HHZ. | 2021-02-27T03:45:50.28 | 0.1 | undecidable | manual | P | 220 | 23.754 | 132 | -0.39 | 92 |
IV.MTRZ.HHZ. | 2021-02-27T03:45:49.47 | 0.1 | undecidable | manual | P | 103 | 8.7801 | 159 | 0.14 | 100 |
IV.VISG.HHZ. | 2021-02-27T03:45:49.65 | 0.1 | undecidable | manual | P | 149 | 18.2706 | 140 | -0.44 | 93 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.VISG.HHE. | ML:1.4 | 0.000129 | 0.46 | AML | other | m | 2021-02-27T03:45:54.19 |
IV.VISG.HHN. | ML:1.6 | 0.00020649999999999998 | 0.22 | AML | other | m | 2021-02-27T03:45:54.38 |
IV.MTRZ.HHN. | ML:1.4 | 0.0001535 | 0.56 | AML | other | m | 2021-02-27T03:45:54.65 |
IV.MTRZ.HHE. | ML:1.6 | 0.00022849999999999997 | 1.78 | AML | other | m | 2021-02-27T03:45:55.06 |
IV.SEI.HHE. | ML:1.0 | 0.00004015 | 0.38 | AML | other | m | 2021-02-27T03:45:57.66 |
IV.SEI.HHN. | ML:1.2 | 0.00004935000000000001 | 0.54 | AML | other | m | 2021-02-27T03:45:59.75 |