A magnitude ML 1.7 (quarry blast) earthquake occured in region: 8 km E Matera (MT), on
and geographic coordinates (lat, lon) 40.6940, 16.6860 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 1.7 | 2017-03-30 08:31:57 |
40.6943 | 16.6863 | 0 | 2018-01-10 09:55:05 |
Bollettino Sismico Italiano INGV | 50627651 |
Reviewed Rev100 |
ML 1.9 | 2017-03-30 08:31:56 |
40.6782 | 16.6845 | 10 | 2017-03-30 08:59:21 |
Sala Sismica INGV-Roma | 43140211 |
Field | Value |
---|---|
Time (UTC) | 2017-03-30 08:31:57 ± 0.09 |
Latitude | 40.6943 ± 0.0054 |
Longitude | 16.6863 ± 0.0083 |
Depth (km) | 0 (operator assigned) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-INGV |
Event type | quarry blast |
Origin ID | 50627651 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 690 |
Semi-minor axis of confidence ellipse (meter) | 600 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 240 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 690.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 100 |
Number of associated phases, regardless of their use for origin computation | 5 |
Number of defining phases | 5 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.18 |
Epicentral distance of station closest to the epicenter (degree) | 0.04766 |
Epicentral distance of station farthest from the epicenter (degree) | 0.30127 |
Number of stations at which the event was observed | 5 |
Number of stations from which data was used for origin computation | 5 |
Field | Value |
---|---|
Value | 1.9 |
Uncertainty | 0.4 |
Num. used stations | 4 |
Type of magnitude | ML |
Reference to an origin | 43140211 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2017-03-30 08:59:21 |
Field | Value |
---|---|
Value | 1.7 |
Uncertainty | 0.3 |
Num. used stations | 6 |
Type of magnitude | ML |
Reference to an origin | 50627651 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2017-10-03 16:50:33 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.NOCI.HHZ. | 2017-03-30T08:32:03.51 | 0.3 | undecidable | manual | P | 72 | 33.4443 | 90 | -0.19 | 70 |
IV.AMUR.HHZ. | 2017-03-30T08:32:02.05 | 0.1 | undecidable | manual | P | 344 | 24.5532 | 90 | 0.12 | 96 |
IV.MIGL.HHZ. | 2017-03-30T08:32:01.47 | 0.1 | undecidable | manual | P | 244 | 22.9548 | 90 | -0.12 | 97 |
IV.LTRZ.EHZ. | 2017-03-30T08:32:00.06 | 0.3 | undecidable | manual | P | 132 | 15.0738 | 90 | 0.04 | 75 |
GE.MATE.HHZ. | 2017-03-30T08:31:58.16 | 0.1 | positive | manual | P | 163 | 5.2947 | 91 | 0.11 | 100 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.AMUR.HHN. | ML:1.3 | 0.0001256535 | 0.1984 | AML | other | m | 2017-03-30T08:32:07.00 |
IV.AMUR.HHE. | ML:1.4 | 0.00018318919999999998 | 0.6208 | AML | other | m | 2017-03-30T08:32:10.29 |
IV.MIGL.HHN. | ML:2.2 | 0.0010166908999999999 | 0.5824 | AML | other | m | 2017-03-30T08:32:12.36 |
IV.NOCI.HHN. | ML:1.5 | 0.0001544721 | 0.4416 | AML | other | m | 2017-03-30T08:32:13.99 |
IV.MIGL.HHE. | ML:2.0 | 0.0008274515 | 0.7168 | AML | other | m | 2017-03-30T08:32:13.98 |
IV.NOCI.HHE. | ML:1.7 | 0.00021999395 | 0.7424 | AML | other | m | 2017-03-30T08:32:15.47 |