A magnitude ML 0.9 earthquake occured in region: Confine Italia Svizzera (SVIZZERA), on
and geographic coordinates (lat, lon) 46.1310, 7.2930 at 11 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.
No Italian municipalities within 20 km distance.
No Italian municipalities within 100 km from the epicenter with at least 50000 inhabitants.
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
ML 0.9 | 2021-04-30 06:03:53 |
46.1308 | 7.2927 | 11 | 2021-07-12 16:55:10 |
Bollettino Sismico Italiano INGV | 90014321 |
Field | Value |
---|---|
Time (UTC) | 2021-04-30 06:03:53 ± 0.11 |
Latitude | 46.1308 ± 0.0099 |
Longitude | 7.2927 ± 0.0104 |
Depth (km) | 11 ± 2 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-INGV |
Event type | earthquake |
Origin ID | 90014321 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 1183 |
Semi-minor axis of confidence ellipse (meter) | 489 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 146 |
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) | 160 |
Number of associated phases, regardless of their use for origin computation | 11 |
Number of defining phases | 11 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.17 |
Epicentral distance of station closest to the epicenter (degree) | 0.09443 |
Epicentral distance of station farthest from the epicenter (degree) | 0.81479 |
Number of stations at which the event was observed | 6 |
Number of stations from which data was used for origin computation | 6 |
Field | Value |
---|---|
Value | 0.9 |
Uncertainty | 0.3 |
Num. used stations | 8 |
Type of magnitude | ML |
Reference to an origin | 90014321 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2021-06-30 10:06:06 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
GU.CIRO.HHZ. | 2021-04-30T06:04:12.86 | 0.6 | undecidable | manual | S | 160 | 62.3931 | 90 | 0.03 | 46 |
CH.MMK.HHN. | 2021-04-30T06:04:10.28 | 0.6 | undecidable | manual | S | 100 | 52.4031 | 90 | 0.12 | 46 |
CH.GIMEL.HHZ. | 2021-04-30T06:04:09.24 | 0.3 | undecidable | manual | P | 300 | 90.4428 | 90 | 0.15 | 64 |
IV.MRGE.HHZ. | 2021-04-30T06:04:07.90 | 0.6 | undecidable | manual | S | 204 | 43.8228 | 90 | 0.02 | 48 |
GU.BLANC.HHZ. | 2021-04-30T06:04:07.18 | 0.3 | undecidable | manual | S | 221 | 42.1245 | 90 | -0.24 | 69 |
GU.CIRO.HHZ. | 2021-04-30T06:04:04.98 | 0.3 | undecidable | manual | P | 160 | 62.3931 | 90 | 0.23 | 67 |
CH.MMK.HHN. | 2021-04-30T06:04:02.84 | 0.3 | undecidable | manual | P | 100 | 52.4031 | 90 | -0.37 | 65 |
GU.BLANC.HHZ. | 2021-04-30T06:04:01.60 | 0.3 | undecidable | manual | P | 221 | 42.1245 | 90 | -0.03 | 72 |
IV.MRGE.HHZ. | 2021-04-30T06:04:01.82 | 0.1 | positive | manual | P | 204 | 43.8228 | 90 | -0.07 | 94 |
CH.DIX.HHZ. | 2021-04-30T06:03:59.02 | 0.6 | undecidable | manual | S | 122 | 10.4784 | 117 | 0 | 50 |
CH.DIX.HHZ. | 2021-04-30T06:03:56.91 | 0.1 | undecidable | manual | P | 122 | 10.4784 | 117 | 0.14 | 100 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
CH.DIX.HHN. | ML:1.6 | 0.00041349999999999997 | 0.38 | AML | other | m | 2021-04-30T06:03:59.14 |
CH.DIX.HHE. | ML:1.7 | 0.0006035000000000001 | 0.3 | AML | other | m | 2021-04-30T06:03:59.33 |
GU.BLANC.HHE. | ML:0.8 | 0.000019828795 | 0.3008 | AML | other | m | 2021-04-30T06:04:07.69 |
GU.BLANC.HHN. | ML:1.0 | 0.000031226875 | 0.5216 | AML | other | m | 2021-04-30T06:04:07.63 |
IV.MRGE.HHN. | ML:0.9 | 0.00002255 | 0.76 | AML | other | m | 2021-04-30T06:04:09.84 |
IV.MRGE.HHE. | ML:0.8 | 0.000018849999999999997 | 1.52 | AML | other | m | 2021-04-30T06:04:09.97 |
GU.CIRO.HHE. | ML:0.7 | 0.000011313609000000001 | 0.24 | AML | other | m | 2021-04-30T06:04:13.32 |
GU.CIRO.HHN. | ML:0.4 | 0.0000072482989999999995 | 0.1792 | AML | other | m | 2021-04-30T06:04:13.22 |