A magnitude Md 2.2 earthquake occured in region: 3 km NE Arcola (SP), on
and geographic coordinates (lat, lon) 44.1350, 9.9280 at 18 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 |
---|---|---|---|---|
Arcola | SP | 3 | 10607 | 10607 |
Santo Stefano di Magra | SP | 3 | 9360 | 19967 |
Sarzana | SP | 4 | 21976 | 41943 |
Vezzano Ligure | SP | 4 | 7356 | 49299 |
Follo | SP | 6 | 6337 | 55636 |
Bolano | SP | 7 | 7813 | 63449 |
Lerici | SP | 7 | 10228 | 73677 |
Fosdinovo | MS | 7 | 4883 | 78560 |
Ameglia | SP | 8 | 4365 | 82925 |
Podenzana | MS | 8 | 2180 | 85105 |
Castelnuovo Magra | SP | 8 | 8415 | 93520 |
La Spezia | SP | 8 | 93959 | 187479 |
Aulla | MS | 9 | 11263 | 198742 |
Ortonovo | SP | 11 | 8277 | 207019 |
Portovenere | SP | 11 | 3630 | 210649 |
Tresana | MS | 12 | 2044 | 212693 |
Riccò del Golfo di Spezia | SP | 13 | 3698 | 216391 |
Calice al Cornoviglio | SP | 14 | 1138 | 217529 |
Beverino | SP | 14 | 2429 | 219958 |
Carrara | MS | 15 | 63133 | 283091 |
Riomaggiore | SP | 16 | 1576 | 284667 |
Pignone | SP | 17 | 565 | 285232 |
Licciana Nardi | MS | 17 | 4949 | 290181 |
Villafranca in Lunigiana | MS | 18 | 4770 | 294951 |
Rocchetta di Vara | SP | 19 | 703 | 295654 |
Borghetto di Vara | SP | 19 | 938 | 296592 |
Vernazza | SP | 19 | 848 | 297440 |
Fivizzano | MS | 19 | 7925 | 305365 |
Brugnato | SP | 20 | 1270 | 306635 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
Md 2.2
M 2.7 |
1988-10-23 06:47:57 |
44.135 | 9.928 | 18 | 2013-07-15 08:40:51 |
Bollettino Sismico Italiano INGV | 79609 |
Field | Value |
---|---|
Time (UTC) | 1988-10-23 06:47:57 ± 0.176 |
Latitude | 44.1350 ± 0.0208 |
Longitude | 9.9280 ± 0.0264 |
Depth (km) | 18 ± 3 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-VAX |
Event type | earthquake |
Origin ID | 79609 |
Field | Value |
---|---|
Preferred uncertainty description | horizontal uncertainty |
Semi-major axis of confidence ellipse (meter) | |
Semi-minor axis of confidence ellipse (meter) | |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 3123.8 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 96 |
Number of associated phases, regardless of their use for origin computation | 20 |
Number of defining phases | 20 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.4 |
Epicentral distance of station closest to the epicenter (degree) | 0.00308 |
Epicentral distance of station farthest from the epicenter (degree) | 0.06273 |
Number of stations at which the event was observed | 14 |
Number of stations from which data was used for origin computation | 14 |
Field | Value |
---|---|
Value | 2.2 |
Uncertainty | |
Num. used stations | 4 |
Type of magnitude | Md |
Reference to an origin | 79609 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2013-01-04 18:14:54 |
Field | Value |
---|---|
Value | 2.7 |
Uncertainty | |
Num. used stations | |
Type of magnitude | M |
Reference to an origin | 79609 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2015-04-28 09:48:29 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
--.DOU.Z. | 1988-10-23T06:49:38.20 | 10.0 | undecidable | manual | PN | 330 | 6.9597 | 0.01 | 0.6 | |
--.LRG.Z. | 1988-10-23T06:49:10.40 | 10.0 | undecidable | manual | SN | 256 | 2.6529 | 0.9 | 0.2 | |
--.SBF.Z. | 1988-10-23T06:48:49.50 | 10.0 | undecidable | manual | SN | 262 | 1.8093 | 0.19 | 0.6 | |
--.CVF.Z. | 1988-10-23T06:48:48.40 | 10.0 | undecidable | manual | SN | 206 | 1.7427 | 0.69 | 0.2 | |
--.IMP.Z. | 1988-10-23T06:48:41.80 | 10.0 | undecidable | manual | SN | 262 | 1.4763 | 0.44 | 0.5 | |
--.LRG.Z. | 1988-10-23T06:48:39.60 | 10.0 | undecidable | manual | PN | 256 | 2.6529 | 0.61 | 0.8 | |
--.SBF.Z. | 1988-10-23T06:48:27.60 | 10.0 | undecidable | manual | PN | 262 | 1.8093 | 0.27 | 1.4 | |
--.STV.Z. | 1988-10-23T06:48:27.54 | 10.0 | undecidable | manual | PN | 274 | 1.8648 | -0.52 | 1 | |
--.CVF.Z. | 1988-10-23T06:48:26.70 | 10.0 | undecidable | manual | PN | 206 | 1.7427 | 0.29 | 1.3 | |
--.IMP.Z. | 1988-10-23T06:48:22.30 | 10.0 | undecidable | manual | PN | 262 | 1.4763 | -0.45 | 1.2 | |
--.ROB.Z. | 1988-10-23T06:48:22.00 | 10.0 | undecidable | manual | PN | 277 | 1.4763 | -0.79 | 0.6 | |
--.FIN.Z. | 1988-10-23T06:48:18.82 | 10.0 | undecidable | manual | PN | 273 | 1.2321 | -0.58 | 1 | |
--.MME.Z. | 1988-10-23T06:48:17.76 | 10.0 | undecidable | manual | SG | 83 | 0.5439 | 0.46 | 0.5 | |
--.BDI.Z. | 1988-10-23T06:48:15.40 | 10.0 | undecidable | manual | SG | 98 | 0.4884 | 0.33 | 0.5 | |
--.GEN.Z. | 1988-10-23T06:48:12.26 | 10.0 | undecidable | manual | PG | 292 | 0.7548 | -0.35 | 1 | |
--.BOB.Z. | 1988-10-23T06:48:12.90 | 10.0 | positive | manual | PG | 331 | 0.7104 | 0.28 | 3.3 | |
--.PII.Z. | 1988-10-23T06:48:09.59 | 10.0 | negative | manual | PG | 133 | 0.5883 | 0.03 | 3.3 | |
--.BDI.Z. | 1988-10-23T06:48:07.32 | 10.0 | undecidable | manual | PG | 98 | 0.4884 | -0.24 | 1.5 | |
--.MME.Z. | 1988-10-23T06:48:07.93 | 10.0 | undecidable | manual | PG | 83 | 0.5439 | -0.92 | 0.5 | |
--.BVT.Z. | 1988-10-23T06:48:06.90 | 10.0 | undecidable | manual | PG | 346 | 0.3441 | 1.81 | 0.1 |