A magnitude ML 1.5 (quarry blast) earthquake occured in region: 9 km E Matera (MT), on
and geographic coordinates (lat, lon) 40.6980, 16.6950 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 |
---|---|---|---|---|
Matera | MT | 9 | 60436 | 60436 |
Santeramo in Colle | BA | 12 | 26734 | 87170 |
Laterza | TA | 12 | 15290 | 102460 |
Ginosa | TA | 14 | 22632 | 125092 |
Montescaglioso | MT | 16 | 9942 | 135034 |
Altamura | BA | 19 | 70396 | 205430 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
ML 1.5 | 2021-02-12 08:31:19 |
40.6978 | 16.6953 | 1 | 2021-07-12 16:54:59 |
Bollettino Sismico Italiano INGV | 87173321 |
Reviewed Rev100 |
ML 1.7 | 2021-02-12 08:31:19 |
40.6778 | 16.6888 | 6 | 2021-02-12 08:38:33 |
Sala Sismica INGV-Roma | 87074031 |
Field | Value |
---|---|
Time (UTC) | 2021-02-12 08:31:19 ± 0.13 |
Latitude | 40.6978 ± 0.0090 |
Longitude | 16.6953 ± 0.0107 |
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 | 87173321 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 1010 |
Semi-minor axis of confidence ellipse (meter) | 860 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 6 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 1010.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 90 |
Number of associated phases, regardless of their use for origin computation | 8 |
Number of defining phases | 8 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.3 |
Epicentral distance of station closest to the epicenter (degree) | 0.04946 |
Epicentral distance of station farthest from the epicenter (degree) | 0.52341 |
Number of stations at which the event was observed | 8 |
Number of stations from which data was used for origin computation | 8 |
Field | Value |
---|---|
Value | 1.5 |
Uncertainty | 0.3 |
Num. used stations | 6 |
Type of magnitude | ML |
Reference to an origin | 87173321 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2021-03-15 10:45:39 |
Field | Value |
---|---|
Value | 1.7 |
Uncertainty | 0.2 |
Num. used stations | 6 |
Type of magnitude | ML |
Reference to an origin | 87074031 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2021-02-12 08:38:33 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.PTRP.HHZ. | 2021-02-12T08:31:31.08 | 1.0 | undecidable | manual | P | 250 | 56.8986 | 91 | 0.31 | 22 |
IV.MRVN.HHZ. | 2021-02-12T08:31:30.33 | 0.6 | undecidable | manual | P | 314 | 58.0974 | 90 | -0.69 | 40 |
OT.TAR1.HHZ. | 2021-02-12T08:31:30.20 | 1.0 | undecidable | manual | P | 111 | 53.2023 | 91 | 0.18 | 23 |
OT.MASS.HHZ. | 2021-02-12T08:31:26.74 | 0.1 | undecidable | manual | P | 101 | 38.4282 | 91 | -0.33 | 92 |
IV.NOCI.HHZ. | 2021-02-12T08:31:26.00 | 0.1 | undecidable | manual | P | 72 | 32.6451 | 91 | 0.09 | 98 |
IV.AMUR.HHZ. | 2021-02-12T08:31:24.59 | 0.1 | undecidable | manual | P | 342 | 24.4533 | 91 | 0.32 | 94 |
IV.MIGL.HHZ. | 2021-02-12T08:31:24.01 | 0.1 | undecidable | manual | P | 244 | 23.754 | 91 | -0.13 | 98 |
GE.MATE.HHZ. | 2021-02-12T08:31:20.67 | 0.1 | positive | manual | P | 172 | 5.4945 | 95 | 0.2 | 100 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.AMUR.HHN. | ML:1.2 | 0.00011401475 | 1.3376 | AML | other | m | 2021-02-12T08:31:29.75 |
IV.MIGL.HHE. | ML:1.8 | 0.00046458094999999997 | 0.2816 | AML | other | m | 2021-02-12T08:31:29.22 |
IV.AMUR.HHE. | ML:1.3 | 0.00013882089999999998 | 0.544 | AML | other | m | 2021-02-12T08:31:29.88 |
IV.MIGL.HHN. | ML:1.9 | 0.000565 | 1.26 | AML | other | m | 2021-02-12T08:31:29.22 |
IV.NOCI.HHE. | ML:1.4 | 0.00011289272 | 0.8768 | AML | other | m | 2021-02-12T08:31:33.30 |
IV.NOCI.HHN. | ML:1.4 | 0.00011074761500000001 | 0.6592 | AML | other | m | 2021-02-12T08:31:33.20 |