Earthquake (quarry blast) with magnitude of ML 1.7 on date 07-12-2020 and time 09:07:12 (UTC) in region 9 km S Rignano Garganico (FG)

A magnitude ML 1.7 (quarry blast) earthquake occured in region: 9 km S Rignano Garganico (FG), on

  • 07-12-2020 09:07:12 (UTC)
  • 07-12-2020 10:07:12 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 41.603, 15.615 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.

Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Rignano Garganico FG 9 2117 2117
San Marco in Lamis FG 13 13831 15948
San Giovanni Rotondo FG 15 27184 43132
Foggia FG 17 151991 195123

Municipalities with at least 50000 inhabitants

An earthquake occurred to
17 Km NE of Foggia (151991 inhabitants)
22 Km E of San Severo (53905 inhabitants)
26 Km W of Manfredonia (57279 inhabitants)
45 Km NW of Cerignola (58396 inhabitants)
64 Km NW of Barletta (94814 inhabitants)
71 Km NW of Andria (100440 inhabitants)
76 Km W of Trani (56217 inhabitants)
84 Km W of Bisceglie (55422 inhabitants)
87 Km NE of Benevento (60091 inhabitants)
93 Km W of Molfetta (59874 inhabitants)
Recent and historical seismicity
Seismic hazard
Shakemap
Felt maps
Locations history
Type Magnitude Date and Time (UTC) Latitude Longitude Depth (km) Published time (UTC) Author Location ID
Bulletin
Rev1000
ML 1.7 2020-12-07
09:07:12
41.6032 15.6147 1 2021-02-26
14:56:14
Bollettino Sismico Italiano INGV 86217071
Reviewed
Rev100
ML 1.6 2020-12-07
09:07:12
41.6083 15.6247 6 2020-12-07
09:28:33
Sala Sismica INGV-Roma 85261131
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-12-07 09:07:12 ± 0.26
Latitude 41.6032 ± 0.0144
Longitude 15.6147 ± 0.0096
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 86217071

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1610
Semi-minor axis of confidence ellipse (meter) 780
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 13
Circular confidence region, given by single value of horizontal uncertainty (meter) 1610
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 209
Number of associated phases, regardless of their use for origin computation 9
Number of defining phases 9
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.25
Epicentral distance of station closest to the epicenter (degree) 0.05666
Epicentral distance of station farthest from the epicenter (degree) 0.37861
Number of stations at which the event was observed 9
Number of stations from which data was used for origin computation 9
Magnitudes information

ML:1.6

Field Value
Value 1.6
Uncertainty 0.2
Num. used stations 9
Type of magnitude ML
Reference to an origin 85261131
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-12-07 09:28:33

ML:1.7

Field Value
Value 1.7
Uncertainty 0.2
Num. used stations 9
Type of magnitude ML
Reference to an origin 86217071
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2021-01-28 10:28:30
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
IV.MELA.HHZ. 2020-12-07T09:07:20.46 0.3 undecidable manual P 286 0.3786 91 -0.12 72
IV.MSAG.HHZ. 2020-12-07T09:07:17.29 0.3 undecidable manual P 64 0.2455 91 -0.34 70
IV.SGRT.HHZ. 2020-12-07T09:07:15.94 0.1 undecidable manual P 32 0.179 91 -0.22 98
IV.APRC.HHZ. 2020-12-07T09:07:15.80 0.3 undecidable manual P 341 0.1628 92 0 77
OT.OT04.EHZ. 2020-12-07T09:07:14.95 0.3 undecidable manual P 348 0.1187 92 0.13 75
OT.OT06.EHZ. 2020-12-07T09:07:14.36 0.1 positive manual P 350 0.0836 93 0.33 97
OT.OT03.EHZ. 2020-12-07T09:07:14.71 0.3 undecidable manual P 13 0.1124 92 0.05 77
OT.OT07.EHZ. 2020-12-07T09:07:14.25 0.1 undecidable manual P 77 0.08 93 0.29 98
OT.OT05.EHZ. 2020-12-07T09:07:13.22 0.1 undecidable manual P 351 0.0567 95 -0.21 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
OT.OT05.EHE. ML:0 0.0048579215 0.2176 AML other m 2020-12-07T09:07:15.19
OT.OT05.EHN. ML:0 0.003664754 0.256 AML other m 2020-12-07T09:07:15.60
IV.SGRT.HHN. ML:1.8 0.00055263865 0.2176 AML other m 2020-12-07T09:07:18.83
IV.SGRT.HHE. ML:1.8 0.000494 1.8 AML other m 2020-12-07T09:07:19.92
IV.APRC.HHE. ML:1.7 0.000528 0.34 AML other m 2020-12-07T09:07:19.09
IV.APRC.HHN. ML:1.8 0.0005990188 0.2816 AML other m 2020-12-07T09:07:21.55
IV.APRC.HNE. ML:1.7 0.0005248759 0.2944 AML other m 2020-12-07T09:07:21.56
IV.MSAG.HNE. ML:1.6 0.0002616416 0.3392 AML other m 2020-12-07T09:07:23.40
IV.MSAG.HHE. ML:1.3 0.00010405979 0.3392 AML other m 2020-12-07T09:07:23.40
IV.MSAG.HHN. ML:0 0.000196 0.22 AML other m 2020-12-07T09:07:23.88
IV.MSAG.HNN. ML:1.9 0.0004667309 0.2368 AML other m 2020-12-07T09:07:23.89
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Download
Type Description Link
QuakeML - small Event, Origin, FocalMechanism Download
QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download