A magnitude ML 1.6 earthquake occured in region: Costa Toscana settentrionale (Massa Carrara, Lucca, Pisa), on
and geographic coordinates (lat, lon) 43.9400, 10.1830 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 |
---|---|---|---|---|
Forte dei Marmi | LU | 3 | 7510 | 7510 |
Pietrasanta | LU | 4 | 24007 | 31517 |
Seravezza | LU | 7 | 13073 | 44590 |
Montignoso | MS | 9 | 10323 | 54913 |
Viareggio | LU | 10 | 62467 | 117380 |
Camaiore | LU | 10 | 32513 | 149893 |
Stazzema | LU | 11 | 3193 | 153086 |
Massa | MS | 11 | 69479 | 222565 |
Massarosa | LU | 15 | 22471 | 245036 |
Carrara | MS | 17 | 63133 | 308169 |
Pescaglia | LU | 19 | 3526 | 311695 |
Ortonovo | SP | 20 | 8277 | 319972 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
ML 1.6 | 2017-03-18 03:40:30 |
43.9403 | 10.1828 | 5 | 2018-01-10 09:55:04 |
Bollettino Sismico Italiano INGV | 50214521 |
Reviewed Rev100 |
ML 1.5 | 2017-03-18 03:40:31 |
43.9558 | 10.1947 | 9 | 2017-03-18 03:50:31 |
Sala Sismica INGV-Roma | 42575731 |
Field | Value |
---|---|
Time (UTC) | 2017-03-18 03:40:30 ± 0.18 |
Latitude | 43.9403 ± 0.0072 |
Longitude | 10.1828 ± 0.0100 |
Depth (km) | 5 ± 1 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-INGV |
Event type | earthquake |
Origin ID | 50214521 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 716 |
Semi-minor axis of confidence ellipse (meter) | 701 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 43 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 720.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 177 |
Number of associated phases, regardless of their use for origin computation | 18 |
Number of defining phases | 18 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.31 |
Epicentral distance of station closest to the epicenter (degree) | 0.22393 |
Epicentral distance of station farthest from the epicenter (degree) | 0.60704 |
Number of stations at which the event was observed | 10 |
Number of stations from which data was used for origin computation | 10 |
Field | Value |
---|---|
Value | 1.6 |
Uncertainty | 0.2 |
Num. used stations | 8 |
Type of magnitude | ML |
Reference to an origin | 50214521 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2017-09-26 10:32:16 |
Field | Value |
---|---|
Value | 1.5 |
Uncertainty | 0.1 |
Num. used stations | 3 |
Type of magnitude | ML |
Reference to an origin | 42575731 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2017-03-18 03:50:31 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.CRMI.HHZ. | 2017-03-18T03:40:52.10 | 0.6 | undecidable | manual | S | 104 | 65.6898 | 50 | -0.17 | 46 |
IV.MTCR.EHZ. | 2017-03-18T03:40:43.55 | 0.1 | undecidable | manual | P | 81 | 66.0894 | 50 | 0.26 | 91 |
IV.MSSA.HHZ. | 2017-03-18T03:40:43.10 | 0.3 | undecidable | manual | P | 308 | 67.377 | 50 | -0.39 | 66 |
IV.CRMI.HHZ. | 2017-03-18T03:40:43.20 | 0.1 | undecidable | manual | P | 104 | 65.6898 | 50 | -0.03 | 95 |
GU.FIVI.HNN. | 2017-03-18T03:40:42.10 | 0.3 | undecidable | manual | S | 352 | 33.4443 | 98 | -0.49 | 69 |
IV.PII.HHZ. | 2017-03-18T03:40:42.72 | 0.6 | undecidable | manual | S | 131 | 36.5412 | 97 | -0.94 | 38 |
GU.SARM.EHZ. | 2017-03-18T03:40:41.86 | 0.6 | undecidable | manual | S | 33 | 32.1456 | 98 | -0.27 | 48 |
MN.VLC.HNZ. | 2017-03-18T03:40:41.00 | 0.1 | undecidable | manual | S | 34 | 29.2485 | 99 | -0.14 | 99 |
GU.MAIM.HHZ. | 2017-03-18T03:40:39.41 | 0.6 | undecidable | manual | S | 97 | 24.8529 | 101 | -0.23 | 49 |
GU.EQUI.HHZ. | 2017-03-18T03:40:39.27 | 0.6 | undecidable | manual | S | 355 | 25.1526 | 101 | -0.47 | 47 |
GU.CARD.HHZ. | 2017-03-18T03:40:39.80 | 0.1 | undecidable | manual | S | 68 | 25.6521 | 100 | -0.14 | 100 |
IV.PII.HHZ. | 2017-03-18T03:40:38.13 | 0.1 | undecidable | manual | P | 131 | 36.5412 | 97 | -0.12 | 98 |
GU.SARM.EHZ. | 2017-03-18T03:40:37.71 | 0.1 | undecidable | manual | P | 33 | 32.1456 | 98 | 0.34 | 95 |
MN.VLC.HNZ. | 2017-03-18T03:40:37.09 | 0.1 | undecidable | manual | P | 34 | 29.2485 | 99 | 0.29 | 96 |
GU.FIVI.HNN. | 2017-03-18T03:40:37.89 | 0.1 | undecidable | manual | P | 352 | 33.4443 | 98 | 0.25 | 96 |
GU.MAIM.HHZ. | 2017-03-18T03:40:36.34 | 0.1 | undecidable | manual | P | 97 | 24.8529 | 101 | 0.41 | 95 |
GU.EQUI.HHZ. | 2017-03-18T03:40:36.19 | 0.1 | undecidable | manual | P | 355 | 25.1526 | 101 | 0.2 | 99 |
GU.CARD.HHZ. | 2017-03-18T03:40:36.36 | 0.1 | undecidable | manual | P | 68 | 25.6521 | 100 | 0.26 | 98 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
GU.CARD.HHN. | ML:1.6 | 0.000252 | 1.84 | AML | other | m | 2017-03-18T03:40:40.05 |
GU.CARD.HHE. | ML:1.5 | 0.0002075 | 1.34 | AML | other | m | 2017-03-18T03:40:40.21 |
GU.SARM.EHE. | ML:1.6 | 0.00020850000000000003 | 0.76 | AML | other | m | 2017-03-18T03:40:42.16 |
GU.SARM.EHN. | ML:1.5 | 0.000158 | 0.3 | AML | other | m | 2017-03-18T03:40:42.59 |
IV.PII.HHN. | ML:1.4 | 0.00009675000000000001 | 1.14 | AML | other | m | 2017-03-18T03:40:43.82 |
IV.PII.HHE. | ML:1.4 | 0.00010835 | 0.68 | AML | other | m | 2017-03-18T03:40:43.15 |
IV.MSSA.HHE. | ML:1.9 | 0.00014185 | 0.48 | AML | other | m | 2017-03-18T03:40:46.20 |
IV.MSSA.HHN. | ML:1.9 | 0.00015225 | 1.58 | AML | other | m | 2017-03-18T03:40:50.03 |