A magnitude ML 0.2 earthquake occured in region: Costa Ligure Occidentale (Imperia), on
and geographic coordinates (lat, lon) 44.0270, 7.6340 at 5 km depth.
The earthquake was located by: Sala Sismica INGV-Roma.
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 |
---|---|---|---|---|
Pigna | IM | 11 | 859 | 859 |
Triora | IM | 11 | 355 | 1214 |
Castel Vittorio | IM | 11 | 287 | 1501 |
Briga Alta | CN | 11 | 39 | 1540 |
Molini di Triora | IM | 12 | 617 | 2157 |
Mendatica | IM | 15 | 185 | 2342 |
Bajardo | IM | 15 | 312 | 2654 |
Montegrosso Pian Latte | IM | 15 | 118 | 2772 |
Rocchetta Nervina | IM | 15 | 298 | 3070 |
Isolabona | IM | 16 | 679 | 3749 |
Apricale | IM | 16 | 629 | 4378 |
Cosio d'Arroscia | IM | 17 | 221 | 4599 |
Perinaldo | IM | 18 | 870 | 5469 |
Airole | IM | 18 | 407 | 5876 |
Olivetta San Michele | IM | 19 | 211 | 6087 |
Rezzo | IM | 19 | 366 | 6453 |
Pornassio | IM | 20 | 685 | 7138 |
Ceriana | IM | 20 | 1250 | 8388 |
Dolceacqua | IM | 20 | 2074 | 10462 |
Limone Piemonte | CN | 20 | 1485 | 11947 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 0.2 | 2021-09-09 21:11:34 |
44.0273 | 7.6342 | 5 | 2021-09-09 21:29:01 |
Sala Sismica INGV-Roma | 95246261 |
Field | Value |
---|---|
Time (UTC) | 2021-09-09 21:11:34 ± 0.19 |
Latitude | 44.0273 ± 0.0099 |
Longitude | 7.6342 ± 0.0113 |
Depth (km) | 5 ± 2 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 100 -> SURVEY-INGV |
Event type | earthquake |
Origin ID | 95246261 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 1176 |
Semi-minor axis of confidence ellipse (meter) | 605 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 205 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 1180.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 193 |
Number of associated phases, regardless of their use for origin computation | 14 |
Number of defining phases | 14 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.37 |
Epicentral distance of station closest to the epicenter (degree) | 0.12591 |
Epicentral distance of station farthest from the epicenter (degree) | 0.60614 |
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 | 0.2 |
Uncertainty | 0.3 |
Num. used stations | 9 |
Type of magnitude | ML |
Reference to an origin | 95246261 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2021-09-09 21:29:01 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
GU.PZZ.HHE. | 2021-09-09T21:11:55.57 | 0.3 | undecidable | manual | S | 322 | 67.2771 | 50 | -0.3 | 66 |
GU.PZZ.HHE. | 2021-09-09T21:11:47.05 | 0.1 | undecidable | manual | P | 322 | 67.2771 | 50 | 0.41 | 86 |
GU.STV.HHZ. | 2021-09-09T21:11:45.36 | 0.6 | undecidable | manual | S | 315 | 34.4433 | 98 | -0.7 | 41 |
GU.RORO.HHE. | 2021-09-09T21:11:45.93 | 0.3 | undecidable | manual | S | 75 | 35.742 | 97 | -0.59 | 65 |
GU.GBOS.HHZ. | 2021-09-09T21:11:44.03 | 0.3 | undecidable | manual | S | 34 | 28.8489 | 99 | -0.13 | 74 |
GU.ENR.HHZ. | 2021-09-09T21:11:43.75 | 0.3 | undecidable | manual | S | 323 | 28.2495 | 99 | -0.2 | 73 |
GU.IMI.HHZ. | 2021-09-09T21:11:42.13 | 0.3 | undecidable | manual | S | 122 | 24.3534 | 101 | -0.5 | 68 |
GU.RORO.HHE. | 2021-09-09T21:11:41.14 | 0.1 | undecidable | manual | P | 75 | 35.742 | 97 | -0.09 | 97 |
GU.STV.HHZ. | 2021-09-09T21:11:41.01 | 0.6 | positive | manual | P | 315 | 34.4433 | 98 | 0.04 | 49 |
GU.ENR.HHZ. | 2021-09-09T21:11:40.05 | 0.3 | positive | manual | P | 323 | 28.2495 | 99 | 0.3 | 71 |
GU.GBOS.HHZ. | 2021-09-09T21:11:40.21 | 0.1 | undecidable | manual | P | 34 | 28.8489 | 99 | 0.34 | 94 |
GU.MGRO.HHZ. | 2021-09-09T21:11:39.56 | 0.6 | undecidable | manual | S | 83 | 13.9749 | 108 | 0.44 | 47 |
GU.IMI.HHZ. | 2021-09-09T21:11:38.92 | 0.1 | undecidable | manual | P | 122 | 24.3534 | 101 | -0.07 | 100 |
GU.MGRO.HHZ. | 2021-09-09T21:11:37.55 | 0.1 | undecidable | manual | P | 83 | 13.9749 | 108 | 0.58 | 90 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
GU.MGRO.HHE. | ML:-0.1 | 0.000010288429 | 0.6656 | AML | other | m | 2021-09-09T21:11:40.24 |
GU.MGRO.HHN. | ML:-0.1 | 0.00001013128 | 0.1024 | AML | other | m | 2021-09-09T21:11:39.96 |
GU.IMI.HHE. | ML:0.5 | 0.000018308465 | 0.4224 | AML | other | m | 2021-09-09T21:11:42.67 |
GU.IMI.HHN. | ML:0.5 | 0.0000185320455 | 0.1408 | AML | other | m | 2021-09-09T21:11:42.69 |
GU.ENR.HHE. | ML:0.3 | 0.000008674122499999999 | 0.0512 | AML | other | m | 2021-09-09T21:11:44.12 |
GU.ENR.HHN. | ML:0.4 | 0.000015136424 | 0.2048 | AML | other | m | 2021-09-09T21:11:44.10 |
GU.GBOS.HHE. | ML:0.0 | 0.00000543493 | 0.1152 | AML | other | m | 2021-09-09T21:11:44.40 |
GU.STV.HHE. | ML:0.4 | 0.0000101947845 | 0.2432 | AML | other | m | 2021-09-09T21:11:46.23 |
GU.STV.HHN. | ML:0.1 | 0.0000051222215 | 0.256 | AML | other | m | 2021-09-09T21:11:45.00 |