A magnitude ML 1.7 (quarry blast) earthquake occured in region: 8 km E Matera (MT), on
and geographic coordinates (lat, lon) 40.6880, 16.6940 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 | 13 | 22632 | 125092 |
Montescaglioso | MT | 15 | 9942 | 135034 |
Altamura | BA | 20 | 70396 | 205430 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
ML 1.7 | 2021-05-26 08:12:20 |
40.6885 | 16.6938 | 1 | 2021-12-29 11:12:03 |
Bollettino Sismico Italiano INGV | 90895801 |
Reviewed Rev100 |
ML 1.7 | 2021-05-26 08:12:20 |
40.6763 | 16.6957 | 6 | 2021-05-26 08:17:37 |
Sala Sismica INGV-Roma | 90505171 |
Field | Value |
---|---|
Time (UTC) | 2021-05-26 08:12:20 ± 0.15 |
Latitude | 40.6885 ± 0.0099 |
Longitude | 16.6938 ± 0.0119 |
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 | 90895801 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 1160 |
Semi-minor axis of confidence ellipse (meter) | 1000 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 328 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 1160.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 97 |
Number of associated phases, regardless of their use for origin computation | 6 |
Number of defining phases | 6 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.33 |
Epicentral distance of station closest to the epicenter (degree) | 0.04047 |
Epicentral distance of station farthest from the epicenter (degree) | 0.36423 |
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 | 1.7 |
Uncertainty | 0.3 |
Num. used stations | 4 |
Type of magnitude | ML |
Reference to an origin | 90895801 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2021-10-11 16:09:22 |
Field | Value |
---|---|
Value | 1.7 |
Uncertainty | 0.3 |
Num. used stations | 4 |
Type of magnitude | ML |
Reference to an origin | 90505171 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2021-05-26 08:17:37 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.CRAC.EHE. | 2021-05-26T08:12:28.32 | 0.3 | undecidable | manual | P | 213 | 40.4262 | 91 | -0.4 | 67 |
OT.MASS.HHE. | 2021-05-26T08:12:28.06 | 0.1 | undecidable | manual | P | 99 | 38.3283 | 91 | -0.24 | 93 |
IV.NOCI.HHE. | 2021-05-26T08:12:27.24 | 0.3 | undecidable | manual | P | 70 | 33.0447 | 91 | 0 | 74 |
IV.AMUR.HHZ. | 2021-05-26T08:12:25.83 | 0.1 | undecidable | manual | P | 343 | 25.3524 | 91 | 0.13 | 98 |
IV.MIGL.HHZ. | 2021-05-26T08:12:25.23 | 0.1 | undecidable | manual | P | 246 | 23.2545 | 91 | -0.04 | 100 |
GE.MATE.HHZ. | 2021-05-26T08:12:21.94 | 0.1 | positive | manual | P | 168 | 4.4955 | 96 | 0.43 | 95 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.AMUR.HHE. | ML:1.4 | 0.000179 | 1.24 | AML | other | m | 2021-05-26T08:12:30.78 |
IV.AMUR.HHN. | ML:1.4 | 0.00016149999999999997 | 0.52 | AML | other | m | 2021-05-26T08:12:33.71 |
IV.MIGL.HHN. | ML:2.0 | 0.0006765 | 0.6 | AML | other | m | 2021-05-26T08:12:36.52 |
IV.MIGL.HHE. | ML:1.9 | 0.0006205000000000001 | 1.24 | AML | other | m | 2021-05-26T08:12:38.18 |