A magnitude ML 0.7 (quarry blast) earthquake occured in region: 2 km NW Erli (SV), on
and geographic coordinates (lat, lon) 44.1530, 8.0840 at 0 km depth.
The earthquake was located by: Bollettino Sismico Italiano INGV.
Event type: quarry blast.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 |
---|---|---|---|---|
Erli | SV | 3 | 245 | 245 |
Castelvecchio di Rocca Barbena | SV | 4 | 145 | 390 |
Castelbianco | SV | 4 | 330 | 720 |
Zuccarello | SV | 5 | 309 | 1029 |
Bardineto | SV | 6 | 756 | 1785 |
Nasino | SV | 6 | 207 | 1992 |
Garessio | CN | 7 | 3244 | 5236 |
Balestrino | SV | 8 | 595 | 5831 |
Alto | CN | 8 | 128 | 5959 |
Arnasco | SV | 8 | 645 | 6604 |
Cisano sul Neva | SV | 9 | 2085 | 8689 |
Vendone | SV | 9 | 388 | 9077 |
Onzo | SV | 10 | 219 | 9296 |
Calizzano | SV | 10 | 1475 | 10771 |
Aquila d'Arroscia | IM | 10 | 166 | 10937 |
Toirano | SV | 10 | 2644 | 13581 |
Ortovero | SV | 11 | 1586 | 15167 |
Caprauna | CN | 11 | 104 | 15271 |
Boissano | SV | 11 | 2492 | 17763 |
Priola | CN | 12 | 701 | 18464 |
Ranzo | IM | 12 | 557 | 19021 |
Villanova d'Albenga | SV | 13 | 2657 | 21678 |
Borghetto d'Arroscia | IM | 13 | 456 | 22134 |
Giustenice | SV | 13 | 977 | 23111 |
Garlenda | SV | 13 | 1254 | 24365 |
Borghetto Santo Spirito | SV | 13 | 4948 | 29313 |
Ceriale | SV | 13 | 5561 | 34874 |
Casanova Lerrone | SV | 14 | 749 | 35623 |
Ormea | CN | 14 | 1617 | 37240 |
Magliolo | SV | 14 | 974 | 38214 |
Loano | SV | 14 | 11407 | 49621 |
Tovo San Giacomo | SV | 15 | 2582 | 52203 |
Vessalico | IM | 15 | 282 | 52485 |
Armo | IM | 15 | 111 | 52596 |
Albenga | SV | 15 | 24213 | 76809 |
Pietra Ligure | SV | 16 | 8992 | 85801 |
Massimino | SV | 16 | 113 | 85914 |
Testico | SV | 17 | 196 | 86110 |
Stellanello | SV | 17 | 808 | 86918 |
Bagnasco | CN | 17 | 1035 | 87953 |
Rialto | SV | 17 | 564 | 88517 |
Osiglia | SV | 17 | 444 | 88961 |
Alassio | SV | 18 | 10934 | 99895 |
Pieve di Teco | IM | 18 | 1338 | 101233 |
Borgio Verezzi | SV | 18 | 2205 | 103438 |
Calice Ligure | SV | 18 | 1730 | 105168 |
Viola | CN | 18 | 391 | 105559 |
Cesio | IM | 18 | 283 | 105842 |
Bormida | SV | 19 | 387 | 106229 |
Lisio | CN | 19 | 201 | 106430 |
Pornassio | IM | 19 | 685 | 107115 |
Murialdo | SV | 19 | 841 | 107956 |
Pamparato | CN | 19 | 302 | 108258 |
Battifollo | CN | 20 | 219 | 108477 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
ML 0.7 | 2022-05-23 09:50:49 |
44.1527 | 8.0838 | 1 | 2023-01-31 19:03:37 |
Bollettino Sismico Italiano INGV | 109244881 |
Reviewed Rev100 |
ML 0.8 | 2022-05-23 09:50:49 |
44.1005 | 8.109 | 6 | 2022-05-23 09:56:41 |
Sala Sismica INGV-Roma | 105047621 |
Field | Value |
---|---|
Time (UTC) | 2022-05-23 09:50:49 ± 0.25 |
Latitude | 44.1527 ± 0.0180 |
Longitude | 8.0838 ± 0.0213 |
Depth (km) | 1 (operator assigned) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-INGV |
Event type | quarry blast |
Origin ID | 109244881 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 2140 |
Semi-minor axis of confidence ellipse (meter) | 1470 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 329 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 2140.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 134 |
Number of associated phases, regardless of their use for origin computation | 7 |
Number of defining phases | 7 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.49 |
Epicentral distance of station closest to the epicenter (degree) | 0.04227 |
Epicentral distance of station farthest from the epicenter (degree) | 0.77701 |
Number of stations at which the event was observed | 7 |
Number of stations from which data was used for origin computation | 7 |
Field | Value |
---|---|
Value | 0.7 |
Uncertainty | 0.3 |
Num. used stations | 4 |
Type of magnitude | ML |
Reference to an origin | 109244881 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2022-09-02 10:58:20 |
Field | Value |
---|---|
Value | 0.8 |
Uncertainty | 0.3 |
Num. used stations | 4 |
Type of magnitude | ML |
Reference to an origin | 105047621 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2022-05-23 09:56:41 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
GU.PZZ.HHE. | 2022-05-23T09:51:05.41 | 0.6 | undecidable | manual | P | 297 | 86.247 | 50 | -0.55 | 38 |
GU.PCP.HHZ. | 2022-05-23T09:51:00.44 | 0.6 | undecidable | manual | P | 40 | 56.5989 | 91 | -0.78 | 37 |
GU.ENR.HHZ. | 2022-05-23T09:50:59.88 | 0.6 | undecidable | manual | P | 279 | 53.6019 | 91 | -0.76 | 37 |
IV.QLNO.HHZ. | 2022-05-23T09:50:55.57 | 0.3 | undecidable | manual | P | 47 | 28.2495 | 91 | 0.03 | 72 |
GU.GBOS.HHZ. | 2022-05-23T09:50:54.87 | 0.1 | undecidable | manual | P | 297 | 21.7671 | 91 | 0.62 | 84 |
GU.CANO.HHZ. | 2022-05-23T09:50:52.97 | 0.3 | undecidable | manual | P | 63 | 13.6752 | 92 | 0.34 | 69 |
GU.RORO.HHZ. | 2022-05-23T09:50:50.84 | 0.1 | undecidable | manual | P | 197 | 4.6953 | 96 | 0.01 | 100 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
GU.CANO.HHN. | ML:0.9 | 0.00010535 | 0.34 | AML | other | m | 2022-05-23T09:50:55.47 |
GU.CANO.HHE. | ML:1.0 | 0.0001246 | 1.5 | AML | other | m | 2022-05-23T09:50:56.85 |
GU.GBOS.HHE. | ML:0.3 | 0.0000152 | 0.46 | AML | other | m | 2022-05-23T09:50:59.61 |
GU.GBOS.HHN. | ML:0.4 | 0.0000177 | 1.16 | AML | other | m | 2022-05-23T09:51:01.06 |