A magnitude ML 1.5 (quarry blast) earthquake occured in region: 8 km E Matera (MT), on
and geographic coordinates (lat, lon) 40.6910, 16.6880 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 | 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 | 2021-02-17 09:31:51 |
40.6912 | 16.6883 | 1 | 2021-07-12 16:55:00 |
Bollettino Sismico Italiano INGV | 87510881 |
Reviewed Rev100 |
ML 1.7 | 2021-02-17 09:31:51 |
40.6832 | 16.6948 | 5 | 2021-02-17 09:41:37 |
Sala Sismica INGV-Roma | 87233831 |
Field | Value |
---|---|
Time (UTC) | 2021-02-17 09:31:51 ± 0.14 |
Latitude | 40.6912 ± 0.0090 |
Longitude | 16.6883 ± 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 | 87510881 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 1010 |
Semi-minor axis of confidence ellipse (meter) | 900 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 349 |
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) | 87 |
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) | 0.32 |
Epicentral distance of station closest to the epicenter (degree) | 0.04407 |
Epicentral distance of station farthest from the epicenter (degree) | 0.52430 |
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 | 0.1 |
Num. used stations | 6 |
Type of magnitude | ML |
Reference to an origin | 87510881 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2021-06-09 13:23:55 |
Field | Value |
---|---|
Value | 1.7 |
Uncertainty | 0.3 |
Num. used stations | 5 |
Type of magnitude | ML |
Reference to an origin | 87233831 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2021-02-17 09:41:37 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.MRVN.HHZ. | 2021-02-17T09:32:02.80 | 0.6 | undecidable | manual | P | 315 | 58.1973 | 90 | -0.47 | 44 |
IV.PTRP.HHZ. | 2021-02-17T09:32:02.68 | 0.6 | undecidable | manual | P | 251 | 56.0994 | 91 | -0.16 | 47 |
OT.MASS.HHE. | 2021-02-17T09:31:59.08 | 0.1 | undecidable | manual | P | 99 | 38.9277 | 91 | -0.32 | 94 |
IV.CRAC.EHE. | 2021-02-17T09:31:59.33 | 0.3 | undecidable | manual | P | 212 | 40.4262 | 91 | -0.38 | 69 |
IV.NOCI.HHZ. | 2021-02-17T09:31:58.35 | 0.3 | undecidable | manual | P | 71 | 33.4443 | 91 | 0.05 | 75 |
IV.AMUR.HHZ. | 2021-02-17T09:31:56.89 | 0.1 | undecidable | manual | P | 344 | 24.9528 | 91 | 0.28 | 97 |
IV.MIGL.HHZ. | 2021-02-17T09:31:56.34 | 0.1 | undecidable | manual | P | 245 | 22.9548 | 91 | 0.14 | 100 |
GE.MATE.HHZ. | 2021-02-17T09:31:52.98 | 0.1 | positive | manual | P | 164 | 4.8951 | 96 | 0.4 | 98 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.MIGL.HHE. | ML:1.7 | 0.00034619875 | 0.7616 | AML | other | m | 2021-02-17T09:32:00.73 |
IV.MIGL.HHN. | ML:1.4 | 0.00019593450000000002 | 0.7232 | AML | other | m | 2021-02-17T09:32:00.76 |
IV.AMUR.HHN. | ML:1.3 | 0.00011856840000000001 | 0.2624 | AML | other | m | 2021-02-17T09:32:01.57 |
IV.AMUR.HHE. | ML:1.5 | 0.00018648585 | 0.2624 | AML | other | m | 2021-02-17T09:32:01.77 |
IV.NOCI.HHN. | ML:1.4 | 0.000101420015 | 0.1792 | AML | other | m | 2021-02-17T09:32:04.85 |
IV.NOCI.HHE. | ML:1.5 | 0.0001351143 | 0.896 | AML | other | m | 2021-02-17T09:32:05.24 |