A magnitude ML 1.7 (quarry blast) earthquake occured in region: 8 km E Matera (MT), on
and geographic coordinates (lat, lon) 40.6880, 16.6850 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 | 8 | 60436 | 60436 |
Laterza | TA | 12 | 15290 | 75726 |
Santeramo in Colle | BA | 13 | 26734 | 102460 |
Ginosa | TA | 14 | 22632 | 125092 |
Montescaglioso | MT | 15 | 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 1.7 | 2021-02-16 09:43:56 |
40.6875 | 16.685 | 1 | 2021-07-12 16:54:59 |
Bollettino Sismico Italiano INGV | 87476021 |
Reviewed Rev100 |
ML 1.7 | 2021-02-16 09:43:56 |
40.6792 | 16.6987 | 5 | 2021-02-16 09:50:50 |
Sala Sismica INGV-Roma | 87207231 |
Field | Value |
---|---|
Time (UTC) | 2021-02-16 09:43:56 ± 0.14 |
Latitude | 40.6875 ± 0.0090 |
Longitude | 16.6850 ± 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 | 87476021 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 1030 |
Semi-minor axis of confidence ellipse (meter) | 920 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 340 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 1030.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 98 |
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) | 0.31 |
Epicentral distance of station closest to the epicenter (degree) | 0.04137 |
Epicentral distance of station farthest from the epicenter (degree) | 0.48294 |
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 | 1.7 |
Uncertainty | 0.2 |
Num. used stations | 6 |
Type of magnitude | ML |
Reference to an origin | 87476021 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2021-03-19 09:48:34 |
Field | Value |
---|---|
Value | 1.7 |
Uncertainty | 0.2 |
Num. used stations | 6 |
Type of magnitude | ML |
Reference to an origin | 87207231 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2021-02-16 09:50:50 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
OT.TAR1.HHZ. | 2021-02-16T09:44:07.82 | 0.6 | undecidable | manual | P | 109 | 53.6019 | 91 | 0.41 | 44 |
IV.CRAC.EHZ. | 2021-02-16T09:44:04.30 | 0.3 | undecidable | manual | P | 212 | 39.9267 | 91 | -0.38 | 68 |
OT.MASS.HHZ. | 2021-02-16T09:44:04.03 | 0.3 | undecidable | manual | P | 99 | 39.1275 | 91 | -0.48 | 67 |
IV.NOCI.HHZ. | 2021-02-16T09:44:03.46 | 0.3 | undecidable | manual | P | 70 | 33.8439 | 91 | 0.01 | 75 |
IV.AMUR.HHZ. | 2021-02-16T09:44:01.80 | 0.1 | undecidable | manual | P | 344 | 25.2525 | 91 | 0.06 | 100 |
IV.MIGL.HHZ. | 2021-02-16T09:44:01.27 | 0.1 | undecidable | manual | P | 246 | 22.5552 | 91 | 0.08 | 100 |
GE.MATE.HHZ. | 2021-02-16T09:43:57.85 | 0.1 | undecidable | manual | P | 159 | 4.5954 | 96 | 0.25 | 99 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.MIGL.HHN. | ML:1.8 | 0.00040810275 | 0.3392 | AML | other | m | 2021-02-16T09:44:06.25 |
IV.MIGL.HHE. | ML:1.8 | 0.0004242793 | 0.2752 | AML | other | m | 2021-02-16T09:44:06.38 |
IV.AMUR.HHE. | ML:1.5 | 0.00021349999999999999 | 0.24 | AML | other | m | 2021-02-16T09:44:06.72 |
IV.AMUR.HHN. | ML:1.3 | 0.00013110864999999998 | 0.2432 | AML | other | m | 2021-02-16T09:44:07.90 |
IV.CRAC.EHE. | ML:1.9 | 0.0002907662 | 0.3008 | AML | other | m | 2021-02-16T09:44:11.60 |
IV.CRAC.EHN. | ML:1.6 | 0.0001491838 | 0.3392 | AML | other | m | 2021-02-16T09:44:11.74 |