A magnitude ML 1.4 earthquake occured in region: 8 km SE Casola Valsenio (RA), on
and geographic coordinates (lat, lon) 44.1580, 11.6760 at 32 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 |
---|---|---|---|---|
Casola Valsenio | RA | 8 | 2617 | 2617 |
Modigliana | FC | 9 | 4560 | 7177 |
Tredozio | FC | 10 | 1212 | 8389 |
Brisighella | RA | 10 | 7639 | 16028 |
Marradi | FI | 10 | 3139 | 19167 |
Palazzuolo sul Senio | FI | 11 | 1154 | 20321 |
Riolo Terme | RA | 14 | 5720 | 26041 |
Fontanelice | BO | 15 | 1943 | 27984 |
Borgo Tossignano | BO | 15 | 3288 | 31272 |
Castel del Rio | BO | 15 | 1246 | 32518 |
Casalfiumanese | BO | 16 | 3438 | 35956 |
Portico e San Benedetto | FC | 17 | 756 | 36712 |
Rocca San Casciano | FC | 17 | 1910 | 38622 |
Dovadola | FC | 17 | 1653 | 40275 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
ML 1.4 | 2020-07-08 01:20:42 |
44.1585 | 11.6762 | 32 | 2020-11-19 12:36:55 |
Bollettino Sismico Italiano INGV | 81509591 |
Reviewed Rev100 |
ML 1.3 | 2020-07-08 01:20:43 |
44.1828 | 11.6178 | 27 | 2020-07-08 01:27:20 |
Sala Sismica INGV-Roma | 80869751 |
Field | Value |
---|---|
Time (UTC) | 2020-07-08 01:20:42 ± 0.59 |
Latitude | 44.1585 ± 0.0279 |
Longitude | 11.6762 ± 0.0301 |
Depth (km) | 32 ± 4 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-INGV |
Event type | earthquake |
Origin ID | 81509591 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 2918 |
Semi-minor axis of confidence ellipse (meter) | 1517 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 345 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 2920.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 121 |
Number of associated phases, regardless of their use for origin computation | 12 |
Number of defining phases | 12 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.43 |
Epicentral distance of station closest to the epicenter (degree) | 0.08364 |
Epicentral distance of station farthest from the epicenter (degree) | 0.25091 |
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 | 1.3 |
Uncertainty | 0.3 |
Num. used stations | 10 |
Type of magnitude | ML |
Reference to an origin | 80869751 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2020-07-08 01:27:20 |
Field | Value |
---|---|
Value | 1.4 |
Uncertainty | 0.3 |
Num. used stations | 10 |
Type of magnitude | ML |
Reference to an origin | 81509591 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2020-07-31 16:18:26 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.SEI.HHZ. | 2020-07-08T01:20:55.03 | 0.6 | undecidable | manual | S | 246 | 27.8499 | 135 | 0.05 | 48 |
IV.MTRZ.HNN. | 2020-07-08T01:20:55.54 | 0.6 | undecidable | manual | S | 311 | 26.3514 | 137 | 0.84 | 38 |
IV.RONT.HHZ. | 2020-07-08T01:20:55.32 | 0.6 | undecidable | manual | S | 227 | 26.6511 | 136 | 0.56 | 42 |
IV.LMD.HHZ. | 2020-07-08T01:20:52.18 | 0.6 | undecidable | manual | S | 165 | 9.2796 | 162 | -0.17 | 49 |
IV.VISG.HHZ. | 2020-07-08T01:20:52.25 | 0.6 | undecidable | manual | S | 280 | 19.5693 | 145 | -1.31 | 31 |
IV.BRIS.HHZ. | 2020-07-08T01:20:52.65 | 0.6 | undecidable | manual | S | 44 | 10.2786 | 160 | 0.22 | 48 |
IV.RONT.HHZ. | 2020-07-08T01:20:49.94 | 0.1 | positive | manual | P | 227 | 26.6511 | 136 | 0.31 | 90 |
IV.SEI.HHZ. | 2020-07-08T01:20:49.76 | 0.3 | undecidable | manual | P | 246 | 27.8499 | 135 | 0 | 72 |
IV.MTRZ.HNN. | 2020-07-08T01:20:49.88 | 0.3 | undecidable | manual | P | 311 | 26.3514 | 137 | 0.29 | 69 |
IV.BRIS.HHZ. | 2020-07-08T01:20:48.29 | 0.1 | negative | manual | P | 44 | 10.2786 | 160 | 0.01 | 100 |
IV.LMD.HHZ. | 2020-07-08T01:20:48.11 | 0.1 | undecidable | manual | P | 165 | 9.2796 | 162 | -0.12 | 98 |
IV.VISG.HHZ. | 2020-07-08T01:20:48.23 | 0.1 | undecidable | manual | P | 280 | 19.5693 | 145 | -0.7 | 82 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.VISG.HHE. | ML:1.1 | 0.000045163565 | 0.16 | AML | other | m | 2020-07-08T01:20:52.36 |
IV.LMD.HHE. | ML:0.9 | 0.00004164438 | 0.32 | AML | other | m | 2020-07-08T01:20:52.57 |
IV.VISG.HHN. | ML:1.2 | 0.000072133545 | 0.12 | AML | other | m | 2020-07-08T01:20:52.49 |
IV.LMD.HHN. | ML:1.2 | 0.00007336218 | 0.1 | AML | other | m | 2020-07-08T01:20:52.54 |
IV.BRIS.HHE. | ML:1.8 | 0.00028123655000000005 | 1.88 | AML | other | m | 2020-07-08T01:20:53.01 |
IV.BRIS.HHN. | ML:1.7 | 0.0002459278 | 0.28 | AML | other | m | 2020-07-08T01:20:53.02 |
IV.BRIS.HNN. | ML:1.7 | 0.00021543014999999999 | 0.8 | AML | other | m | 2020-07-08T01:20:54.60 |
IV.RONT.HHE. | ML:1.5 | 0.000108368545 | 0.3 | AML | other | m | 2020-07-08T01:20:56.85 |
IV.RONT.HHN. | ML:1.4 | 0.000081596295 | 1.74 | AML | other | m | 2020-07-08T01:20:57.00 |
IV.BRIS.HNE. | ML:1.4 | 0.0001120399 | 0.6504 | AML | other | m | 2020-07-08T01:20:59.75 |