A magnitude ML 1.4 earthquake occured in region: 5 km NE Monterenzio (BO), on
and geographic coordinates (lat, lon) 44.3630, 11.4520 at 10 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 |
---|---|---|---|---|
Monterenzio | BO | 6 | 6035 | 6035 |
Pianoro | BO | 9 | 17460 | 23495 |
Ozzano dell'Emilia | BO | 10 | 13596 | 37091 |
Castel San Pietro Terme | BO | 12 | 20811 | 57902 |
San Lazzaro di Savena | BO | 13 | 32065 | 89967 |
Dozza | BO | 14 | 6652 | 96619 |
Fontanelice | BO | 14 | 1943 | 98562 |
Borgo Tossignano | BO | 15 | 3288 | 101850 |
Loiano | BO | 15 | 4294 | 106144 |
Casalfiumanese | BO | 15 | 3438 | 109582 |
Castenaso | BO | 16 | 14925 | 124507 |
Sasso Marconi | BO | 17 | 14735 | 139242 |
Bologna | BO | 17 | 386663 | 525905 |
Monzuno | BO | 17 | 6328 | 532233 |
Castel del Rio | BO | 17 | 1246 | 533479 |
Casalecchio di Reno | BO | 19 | 36327 | 569806 |
Monghidoro | BO | 19 | 3749 | 573555 |
Medicina | BO | 20 | 16739 | 590294 |
Castel Guelfo di Bologna | BO | 20 | 4455 | 594749 |
Marzabotto | BO | 20 | 6779 | 601528 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
ML 1.4 | 2021-04-21 06:16:31 |
44.3628 | 11.4522 | 10 | 2021-07-12 16:55:09 |
Bollettino Sismico Italiano INGV | 89766601 |
Reviewed Rev100 |
ML 1.4 | 2021-04-21 06:16:30 |
44.3732 | 11.4502 | 10 | 2021-04-21 06:33:07 |
Sala Sismica INGV-Roma | 89319841 |
Field | Value |
---|---|
Time (UTC) | 2021-04-21 06:16:31 ± 0.32 |
Latitude | 44.3628 ± 0.0144 |
Longitude | 11.4522 ± 0.0113 |
Depth (km) | 10 ± 1 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-INGV |
Event type | earthquake |
Origin ID | 89766601 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 1607 |
Semi-minor axis of confidence ellipse (meter) | 636 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 186 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 1610.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 213 |
Number of associated phases, regardless of their use for origin computation | 11 |
Number of defining phases | 11 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.32 |
Epicentral distance of station closest to the epicenter (degree) | 0.17447 |
Epicentral distance of station farthest from the epicenter (degree) | 0.40739 |
Number of stations at which the event was observed | 6 |
Number of stations from which data was used for origin computation | 6 |
Field | Value |
---|---|
Value | 1.4 |
Uncertainty | 0.2 |
Num. used stations | 7 |
Type of magnitude | ML |
Reference to an origin | 89766601 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2021-06-18 15:53:48 |
Field | Value |
---|---|
Value | 1.4 |
Uncertainty | 0.2 |
Num. used stations | 7 |
Type of magnitude | ML |
Reference to an origin | 89319841 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2021-04-21 06:33:07 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.MOCL.EHE. | 2021-04-21T06:16:45.50 | 0.6 | undecidable | manual | S | 209 | 45.2214 | 50 | -0.38 | 45 |
IV.LMD.HHZ. | 2021-04-21T06:16:43.50 | 0.3 | undecidable | manual | S | 147 | 37.629 | 50 | -0.35 | 68 |
IV.FNVD.HHE. | 2021-04-21T06:16:43.40 | 0.3 | undecidable | manual | S | 231 | 33.9438 | 50 | 0.52 | 66 |
IV.BRIS.HHZ. | 2021-04-21T06:16:42.20 | 0.3 | undecidable | manual | S | 121 | 29.3484 | 50 | 0.56 | 66 |
IV.MOCL.EHE. | 2021-04-21T06:16:39.61 | 0.3 | undecidable | manual | P | 209 | 45.2214 | 50 | -0.05 | 72 |
IV.ZCCA.HNE. | 2021-04-21T06:16:38.30 | 0.3 | undecidable | manual | P | 268 | 37.7289 | 50 | -0.21 | 70 |
IV.LMD.HHZ. | 2021-04-21T06:16:38.06 | 0.1 | undecidable | manual | P | 147 | 37.629 | 50 | -0.43 | 90 |
IV.VISG.HHZ. | 2021-04-21T06:16:38.80 | 0.3 | undecidable | manual | S | 184 | 19.3695 | 118 | 0.07 | 75 |
IV.FNVD.HHE. | 2021-04-21T06:16:37.96 | 0.1 | undecidable | manual | P | 231 | 33.9438 | 50 | 0.04 | 98 |
IV.BRIS.HHZ. | 2021-04-21T06:16:37.32 | 0.1 | undecidable | manual | P | 121 | 29.3484 | 50 | 0.11 | 97 |
IV.VISG.HHZ. | 2021-04-21T06:16:35.59 | 0.1 | undecidable | manual | P | 184 | 19.3695 | 118 | 0.06 | 100 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.VISG.HHE. | ML:1.5 | 0.0002565 | 1.82 | AML | other | m | 2021-04-21T06:16:38.07 |
IV.VISG.HHN. | ML:1.7 | 0.00034550000000000005 | 0.16 | AML | other | m | 2021-04-21T06:16:39.35 |
IV.BRIS.HHN. | ML:1.2 | 0.0000734 | 0.32 | AML | other | m | 2021-04-21T06:16:42.75 |
IV.BRIS.HHE. | ML:1.2 | 0.00007985 | 0.2 | AML | other | m | 2021-04-21T06:16:43.11 |
IV.BRIS.HNE. | ML:1.2 | 0.000073335775 | 0.7008 | AML | other | m | 2021-04-21T06:16:43.53 |
IV.LMD.HHE. | ML:1.2 | 0.00006395 | 0.24 | AML | other | m | 2021-04-21T06:16:44.75 |
IV.LMD.HHN. | ML:1.4 | 0.00010059999999999999 | 0.14 | AML | other | m | 2021-04-21T06:16:44.78 |