A magnitude ML 1.6 earthquake occured in region: 3 km N Albareto (PR), on
and geographic coordinates (lat, lon) 44.4700, 9.6940 at 9 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 |
---|---|---|---|---|
Albareto | PR | 3 | 2156 | 2156 |
Compiano | PR | 4 | 1112 | 3268 |
Tornolo | PR | 6 | 1010 | 4278 |
Borgo Val di Taro | PR | 6 | 6999 | 11277 |
Bedonia | PR | 6 | 3482 | 14759 |
Varese Ligure | SP | 13 | 2059 | 16818 |
Zeri | MS | 14 | 1094 | 17912 |
Pontremoli | MS | 18 | 7357 | 25269 |
Bardi | PR | 19 | 2227 | 27496 |
Valmozzola | PR | 19 | 539 | 28035 |
Maissana | SP | 19 | 616 | 28651 |
Sesta Godano | SP | 20 | 1377 | 30028 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
ML 1.6 | 2021-04-28 14:46:09 |
44.4697 | 9.6945 | 9 | 2021-07-12 16:55:14 |
Bollettino Sismico Italiano INGV | 90902381 |
Reviewed Rev100 |
ML 1.6 | 2021-04-28 14:46:09 |
44.47 | 9.6825 | 9 | 2021-04-28 14:55:21 |
Sala Sismica INGV-Roma | 89558351 |
Field | Value |
---|---|
Time (UTC) | 2021-04-28 14:46:09 ± 0.11 |
Latitude | 44.4697 ± 0.0072 |
Longitude | 9.6945 ± 0.0063 |
Depth (km) | 9 ± 1 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-INGV |
Event type | earthquake |
Origin ID | 90902381 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 591 |
Semi-minor axis of confidence ellipse (meter) | 519 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 176 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 590.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 115 |
Number of associated phases, regardless of their use for origin computation | 16 |
Number of defining phases | 16 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.27 |
Epicentral distance of station closest to the epicenter (degree) | 0.19875 |
Epicentral distance of station farthest from the epicenter (degree) | 1.07379 |
Number of stations at which the event was observed | 11 |
Number of stations from which data was used for origin computation | 11 |
Field | Value |
---|---|
Value | 1.6 |
Uncertainty | 0.2 |
Num. used stations | 8 |
Type of magnitude | ML |
Reference to an origin | 89558351 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2021-04-28 14:55:21 |
Field | Value |
---|---|
Value | 1.6 |
Uncertainty | 0.4 |
Num. used stations | 12 |
Type of magnitude | ML |
Reference to an origin | 90902381 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2021-06-14 16:32:59 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
GU.CANO.HHZ. | 2021-04-28T14:46:30.72 | 0.3 | undecidable | manual | P | 256 | 119.1918 | 50 | 1.01 | 46 |
IV.PII.HHZ. | 2021-04-28T14:46:27.72 | 0.6 | undecidable | manual | P | 141 | 106.116 | 50 | 0.03 | 43 |
GU.EQUI.HHZ. | 2021-04-28T14:46:25.35 | 0.6 | undecidable | manual | S | 133 | 49.617 | 50 | -0.47 | 44 |
IV.BOB.HHE. | 2021-04-28T14:46:22.90 | 0.6 | undecidable | manual | S | 330 | 38.4282 | 50 | 0.06 | 49 |
GU.SARM.EHN. | 2021-04-28T14:46:21.45 | 0.6 | undecidable | manual | P | 119 | 64.3911 | 50 | 0.19 | 45 |
GU.GORR.HHZ. | 2021-04-28T14:46:21.80 | 0.6 | undecidable | manual | S | 296 | 35.2425 | 50 | -0.2 | 48 |
GU.GRAM.HHZ. | 2021-04-28T14:46:20.10 | 0.3 | undecidable | manual | S | 85 | 29.4483 | 107 | -0.17 | 73 |
GU.RNCA.HHE. | 2021-04-28T14:46:20.57 | 0.6 | undecidable | manual | P | 270 | 58.7967 | 50 | 0.17 | 46 |
IV.PLMA.HHZ. | 2021-04-28T14:46:18.77 | 0.3 | undecidable | manual | P | 165 | 48.2184 | 50 | 0 | 73 |
GU.FIVI.HNE. | 2021-04-28T14:46:18.09 | 0.3 | undecidable | manual | P | 127 | 42.7239 | 50 | 0.16 | 71 |
GU.EQUI.HHZ. | 2021-04-28T14:46:18.97 | 0.1 | undecidable | manual | P | 133 | 49.617 | 50 | -0.01 | 96 |
IV.BOB.HHE. | 2021-04-28T14:46:17.14 | 0.3 | undecidable | manual | P | 330 | 38.4282 | 50 | -0.11 | 72 |
IV.MSSA.HHZ. | 2021-04-28T14:46:17.60 | 0.3 | undecidable | manual | S | 220 | 22.0668 | 112 | -0.25 | 72 |
GU.GORR.HHZ. | 2021-04-28T14:46:16.26 | 0.3 | undecidable | manual | P | 296 | 35.2425 | 50 | -0.51 | 67 |
GU.GRAM.HHZ. | 2021-04-28T14:46:15.97 | 0.1 | undecidable | manual | P | 85 | 29.4483 | 107 | 0.2 | 96 |
IV.MSSA.HHZ. | 2021-04-28T14:46:14.45 | 0.1 | undecidable | manual | P | 220 | 22.0668 | 112 | 0.07 | 100 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.MSSA.HHN. | ML:2.7 | 0.0032741544999999998 | 0.1024 | AML | other | m | 2021-04-28T14:46:18.06 |
IV.MSSA.HHE. | ML:2.8 | 0.0039000000000000003 | 0.1 | AML | other | m | 2021-04-28T14:46:18.21 |
GU.GRAM.HHE. | ML:1.9 | 0.0003861065 | 0.2176 | AML | other | m | 2021-04-28T14:46:21.31 |
GU.GORR.HHN. | ML:1.4 | 0.000113338275 | 0.1984 | AML | other | m | 2021-04-28T14:46:22.61 |
GU.GORR.HHE. | ML:1.4 | 0.00008912001 | 0.1408 | AML | other | m | 2021-04-28T14:46:22.60 |
GU.GRAM.HHN. | ML:1.8 | 0.0003135 | 0.44 | AML | other | m | 2021-04-28T14:46:23.52 |
GU.EQUI.HHE. | ML:1.0 | 0.00003239056999999999 | 0.2048 | AML | other | m | 2021-04-28T14:46:26.71 |
IV.PLMA.HHE. | ML:1.5 | 0.0000927 | 0.16 | AML | other | m | 2021-04-28T14:46:26.81 |
GU.EQUI.HHN. | ML:0.9 | 0.00002235 | 0.92 | AML | other | m | 2021-04-28T14:46:28.39 |
IV.PLMA.HHN. | ML:1.4 | 0.00006605702 | 0.2368 | AML | other | m | 2021-04-28T14:46:30.44 |
IV.PII.HHE. | ML:1.8 | 0.000059627415000000005 | 0.2816 | AML | other | m | 2021-04-28T14:46:43.35 |
IV.PII.HHN. | ML:1.7 | 0.000045057275 | 0.2816 | AML | other | m | 2021-04-28T14:46:43.80 |