A magnitude ML 1.8 earthquake occured in region: 2 km E Tornolo (PR), on
and geographic coordinates (lat, lon) 44.4870, 9.6460 at 5 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 |
---|---|---|---|---|
Tornolo | PR | 2 | 1010 | 1010 |
Compiano | PR | 2 | 1112 | 2122 |
Bedonia | PR | 2 | 3482 | 5604 |
Albareto | PR | 6 | 2156 | 7760 |
Borgo Val di Taro | PR | 10 | 6999 | 14759 |
Varese Ligure | SP | 13 | 2059 | 16818 |
Santo Stefano d'Aveto | GE | 17 | 1126 | 17944 |
Zeri | MS | 18 | 1094 | 19038 |
Bardi | PR | 18 | 2227 | 21265 |
Maissana | SP | 19 | 616 | 21881 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
ML 1.8 | 2023-04-08 03:56:09 |
44.4868 | 9.6455 | 5 | 2024-03-01 17:18:11 |
Bollettino Sismico Italiano INGV | 118329611 |
Reviewed Rev100 |
ML 1.9 | 2023-04-08 03:56:09 |
44.4908 | 9.6553 | 6 | 2023-04-08 05:23:46 |
Sala Sismica INGV-Roma | 116160061 |
Field | Value |
---|---|
Time (UTC) | 2023-04-08 03:56:09 ± 0.16 |
Latitude | 44.4868 ± 0.0108 |
Longitude | 9.6455 ± 0.0076 |
Depth (km) | 5 ± 2 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-INGV |
Event type | earthquake |
Origin ID | 118329611 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 1123 |
Semi-minor axis of confidence ellipse (meter) | 554 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 13 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 1120.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 85 |
Number of associated phases, regardless of their use for origin computation | 20 |
Number of defining phases | 17 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.35 |
Epicentral distance of station closest to the epicenter (degree) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 1.38136 |
Number of stations at which the event was observed | 12 |
Number of stations from which data was used for origin computation | 9 |
Field | Value |
---|---|
Value | 1.9 |
Uncertainty | 0.2 |
Num. used stations | 12 |
Type of magnitude | ML |
Reference to an origin | 116160061 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2023-04-08 05:23:46 |
Field | Value |
---|---|
Value | 1.8 |
Uncertainty | 0.3 |
Num. used stations | 16 |
Type of magnitude | ML |
Reference to an origin | 118329611 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2023-06-12 07:57:50 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
MN.SENA.HHZ. | 2023-04-08T03:57:59.78 | 3.0 | undecidable | manual | Sn | -4.83 | 0 | |||
IV.LNSS.HHZ. | 2023-04-08T03:57:51.65 | 3.0 | undecidable | manual | Sg | 8.22 | 0 | |||
IV.NARO.HHZ. | 2023-04-08T03:57:27.92 | 3.0 | undecidable | manual | Sg | 4.23 | 0 | |||
GU.POPM.HHZ. | 2023-04-08T03:56:41.06 | 0.3 | undecidable | manual | S | 119 | 101.0211 | 50 | 0.35 | 62 |
GU.IMI.HHZ. | 2023-04-08T03:56:35.57 | 0.3 | undecidable | manual | P | 246 | 153.3354 | 50 | -0.23 | 56 |
GU.POPM.HHZ. | 2023-04-08T03:56:28.73 | 0.3 | undecidable | manual | P | 119 | 101.0211 | 50 | 1 | 48 |
GU.RNCA.HHZ. | 2023-04-08T03:56:28.26 | 0.1 | undecidable | manual | S | 268 | 55.0005 | 50 | -0.18 | 93 |
IV.PLMA.HHZ. | 2023-04-08T03:56:27.06 | 0.3 | undecidable | manual | S | 161 | 51.2154 | 50 | -0.37 | 67 |
GU.EQUI.HHZ. | 2023-04-08T03:56:27.75 | 0.3 | undecidable | manual | S | 131 | 53.7018 | 50 | -0.36 | 67 |
4P.IT07A.HHZ. | 2023-04-08T03:56:26.30 | 0.3 | undecidable | manual | S | 19 | 45.5211 | 96 | 0.42 | 67 |
GU.RNCA.HHZ. | 2023-04-08T03:56:21.04 | 0.1 | negative | manual | P | 268 | 55.0005 | 50 | 0.4 | 89 |
GU.GORR.HHZ. | 2023-04-08T03:56:21.04 | 0.1 | undecidable | manual | S | 296 | 30.9468 | 99 | 0.17 | 97 |
GU.GRAM.HHZ. | 2023-04-08T03:56:21.31 | 0.3 | undecidable | manual | S | 89 | 33.2445 | 99 | -0.34 | 70 |
IV.BOB.HHZ. | 2023-04-08T03:56:21.58 | 0.1 | undecidable | manual | S | 333 | 34.8429 | 98 | -0.64 | 85 |
IV.PLMA.HHZ. | 2023-04-08T03:56:20.19 | 0.3 | undecidable | manual | P | 161 | 51.2154 | 50 | 0.13 | 71 |
GU.EQUI.HHZ. | 2023-04-08T03:56:20.28 | 0.1 | positive | manual | P | 131 | 53.7018 | 50 | -0.17 | 93 |
4P.IT07A.HHZ. | 2023-04-08T03:56:19.29 | 0.1 | positive | manual | P | 19 | 45.5211 | 96 | 0.12 | 96 |
IV.BOB.HHZ. | 2023-04-08T03:56:16.77 | 0.1 | positive | manual | P | 333 | 34.8429 | 98 | -0.28 | 94 |
GU.GORR.HHZ. | 2023-04-08T03:56:16.57 | 0.1 | positive | manual | P | 296 | 30.9468 | 99 | 0.3 | 95 |
GU.GRAM.HHZ. | 2023-04-08T03:56:16.71 | 0.1 | undecidable | manual | P | 89 | 33.2445 | 99 | -0.01 | 100 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
GU.GORR.HHE. | ML:2.0 | 0.0004455 | 0.18 | AML | other | m | 2023-04-08T03:56:21.56 |
GU.GORR.HHN. | ML:1.9 | 0.000393 | 0.32 | AML | other | m | 2023-04-08T03:56:21.61 |
IV.BOB.HHE. | ML:2.1 | 0.00053529875 | 0.1792 | AML | other | m | 2023-04-08T03:56:22.47 |
GU.GRAM.HHE. | ML:2.1 | 0.000641 | 0.28 | AML | other | m | 2023-04-08T03:56:22.70 |
IV.BOB.HHN. | ML:1.9 | 0.00036168524999999997 | 0.2208 | AML | other | m | 2023-04-08T03:56:22.74 |
GU.GRAM.HHN. | ML:2.0 | 0.0004055 | 0.36 | AML | other | m | 2023-04-08T03:56:23.17 |
GU.RNCA.HHE. | ML:2.0 | 0.0002557601 | 0.1408 | AML | other | m | 2023-04-08T03:56:29.10 |
GU.RNCA.HHN. | ML:1.6 | 0.00010255628 | 0.0992 | AML | other | m | 2023-04-08T03:56:29.09 |
GU.EQUI.HHN. | ML:1.4 | 0.00005678469 | 0.2592 | AML | other | m | 2023-04-08T03:56:29.48 |
GU.EQUI.HHE. | ML:1.2 | 0.000033501225 | 1.6 | AML | other | m | 2023-04-08T03:56:28.12 |
GU.POPM.HHE. | ML:1.6 | 0.000034849465 | 0.3392 | AML | other | m | 2023-04-08T03:56:41.76 |
GU.POPM.HHN. | ML:1.8 | 0.00006745 | 0.62 | AML | other | m | 2023-04-08T03:56:44.90 |
IV.BOB.HNE. | ML:2.1 | 0.0005963159 | 0.2016 | AML | other | m | 2023-04-08T03:56:22.38 |
IV.BOB.HNN. | ML:2.2 | 0.0006075847 | 0.4096 | AML | other | m | 2023-04-08T03:56:22.15 |
IV.PLMA.HHN. | ML:1.1 | 0.000031151565 | 1.3408 | AML | other | m | 2023-04-08T03:56:27.23 |
IV.PLMA.HHE. | ML:1.4 | 0.00007161885 | 0.2208 | AML | other | m | 2023-04-08T03:56:28.58 |