Earthquake with magnitude of ML 1.7 on date 09-03-2021 and time 07:40:27 (Italy) in region 6 km NE Monte Sant'Angelo (FG)

A magnitude ML 1.7 earthquake occured in region: 6 km NE Monte Sant'Angelo (FG), on

  • 09-03-2021 06:40:27 (UTC)
  • 09-03-2021 07:40:27 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 41.7580, 15.9810 at 20 km depth.

The earthquake was located by: Bollettino Sismico Italiano INGV.

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
Monte Sant'Angelo FG 6 12657 12657
Mattinata FG 8 6310 18967
Carpino FG 14 4182 23149
Manfredonia FG 15 57279 80428
Vico del Gargano FG 16 7766 88194
Ischitella FG 18 4432 92626
Cagnano Varano FG 19 7330 99956

Municipalities with at least 50000 inhabitants

An earthquake occurred to
15 Km NE of Manfredonia (57279 inhabitants)
49 Km NE of Foggia (151991 inhabitants)
50 Km E of San Severo (53905 inhabitants)
55 Km NW of Barletta (94814 inhabitants)
55 Km N of Cerignola (58396 inhabitants)
65 Km NW of Andria (100440 inhabitants)
65 Km NW of Trani (56217 inhabitants)
72 Km NW of Bisceglie (55422 inhabitants)
80 Km NW of Molfetta (59874 inhabitants)
93 Km NW of Bitonto (55540 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 2021-03-09
06:40:27
41.7582 15.9813 20 2021-07-12
16:55:02
Bollettino Sismico Italiano INGV 88181141
Reviewed
Rev100
ML 1.7 2021-03-09
06:40:28
41.7695 15.9852 18 2021-03-09
06:46:38
Sala Sismica INGV-Roma 87937131
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-03-09 06:40:27 ± 0.13
Latitude 41.7582 ± 0.0063
Longitude 15.9813 ± 0.0060
Depth (km) 20 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 88181141

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 708
Semi-minor axis of confidence ellipse (meter) 330
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 151
Circular confidence region, given by single value of horizontal uncertainty (meter) 710.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 101
Number of associated phases, regardless of their use for origin computation 27
Number of defining phases 27
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.24
Epicentral distance of station closest to the epicenter (degree) 0.07105
Epicentral distance of station farthest from the epicenter (degree) 0.97127
Number of stations at which the event was observed 15
Number of stations from which data was used for origin computation 15
Magnitudes information

ML:1.7

Field Value
Value 1.7
Uncertainty 0.2
Num. used stations 18
Type of magnitude ML
Reference to an origin 88181141
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2021-05-08 00:48:23

ML:1.7

Field Value
Value 1.7
Uncertainty 0.2
Num. used stations 20
Type of magnitude ML
Reference to an origin 87937131
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-03-09 06:46:38
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MELA.HHZ. 2021-03-09T06:40:50.65 0.3 undecidable manual S 266 70.9734 99 1.07 47
IV.ACER.HHZ. 2021-03-09T06:40:47.03 0.6 undecidable manual P 182 107.8143 96 0.95 33
IV.AMUR.HHZ. 2021-03-09T06:40:46.42 0.6 undecidable manual P 151 107.7144 96 0.35 40
IV.MRVN.HHZ. 2021-03-09T06:40:41.46 0.3 undecidable manual P 167 79.365 98 -0.27 62
IV.APRC.HHZ. 2021-03-09T06:40:40.35 0.6 undecidable manual S 270 36.2415 111 -0.23 47
IV.MELA.HHZ. 2021-03-09T06:40:40.62 0.1 undecidable manual P 266 70.9734 99 0.17 88
OT.OT04.EHE. 2021-03-09T06:40:39.69 0.3 undecidable manual S 263 33.4443 113 -0.19 71
OT.OT06.EHZ. 2021-03-09T06:40:39.70 0.6 undecidable manual S 256 33.0447 113 -0.09 48
OT.OT05.EHZ. 2021-03-09T06:40:39.51 0.6 undecidable manual S 251 33.2445 113 -0.32 46
OT.OT03.EHE. 2021-03-09T06:40:38.45 0.6 undecidable manual S 260 27.9498 118 -0.1 49
OT.OT07.EHE. 2021-03-09T06:40:38.03 0.6 undecidable manual S 235 26.4513 119 -0.18 48
OT.OT13.EHZ. 2021-03-09T06:40:36.86 0.6 undecidable manual S 50 21.2676 127 -0.19 48
OT.OT14.EHZ. 2021-03-09T06:40:36.15 0.6 undecidable manual S 338 16.5723 135 0.06 49
IV.SGRT.HHZ. 2021-03-09T06:40:36.87 0.3 undecidable manual S 269 19.6692 129 0.16 72
IV.MSAG.HHZ. 2021-03-09T06:40:35.10 0.6 undecidable manual S 229 7.881 156 0.34 47
OT.OT12.EHZ. 2021-03-09T06:40:35.72 0.6 undecidable manual S 204 15.2736 138 -0.14 49
IV.APRC.HHZ. 2021-03-09T06:40:35.19 0.1 undecidable manual P 270 36.2415 111 -0.07 96
OT.OT06.EHZ. 2021-03-09T06:40:34.71 0.3 undecidable manual P 256 33.0447 113 -0.08 72
OT.OT05.EHZ. 2021-03-09T06:40:34.53 0.3 undecidable manual P 251 33.2445 113 -0.29 69
OT.OT03.EHE. 2021-03-09T06:40:34.05 0.1 undecidable manual P 260 27.9498 118 -0.03 98
OT.OT04.EHE. 2021-03-09T06:40:34.75 0.1 undecidable manual P 263 33.4443 113 -0.1 96
OT.OT13.EHZ. 2021-03-09T06:40:33.03 0.1 positive manual P 50 21.2676 127 -0.19 95
IV.SGRT.HHZ. 2021-03-09T06:40:33.11 0.1 positive manual P 269 19.6692 129 0.09 98
OT.OT07.EHE. 2021-03-09T06:40:33.68 0.3 undecidable manual P 235 26.4513 119 -0.21 71
OT.OT12.EHZ. 2021-03-09T06:40:32.46 0.1 undecidable manual P 204 15.2736 138 -0.06 99
IV.MSAG.HHZ. 2021-03-09T06:40:32.06 0.1 positive manual P 229 7.881 156 0.17 99
OT.OT14.EHZ. 2021-03-09T06:40:32.67 0.1 positive manual P 338 16.5723 135 0.01 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.MSAG.HNE. ML:1.6 0.00033800000000000003 0.48 AML other m 2021-03-09T06:40:35.31
IV.MSAG.HHE. ML:1.2 0.000133 0.48 AML other m 2021-03-09T06:40:35.31
OT.OT12.EHE. ML:1.7 0.0003075 0.22 AML other m 2021-03-09T06:40:35.96
IV.MSAG.HHN. ML:1.6 0.00032700000000000003 0.16 AML other m 2021-03-09T06:40:35.99
IV.MSAG.HNN. ML:2.0 0.0007830000000000001 1.64 AML other m 2021-03-09T06:40:35.99
OT.OT12.EHN. ML:1.6 0.000256 0.12 AML other m 2021-03-09T06:40:36.14
IV.SGRT.HHE. ML:1.8 0.00039200000000000004 0.42 AML other m 2021-03-09T06:40:37.12
OT.OT13.EHN. ML:2.0 0.0005195000000000001 1.02 AML other m 2021-03-09T06:40:37.15
IV.SGRT.HHN. ML:1.7 0.0002855 0.1 AML other m 2021-03-09T06:40:37.33
OT.OT13.EHE. ML:1.7 0.000286 1.12 AML other m 2021-03-09T06:40:37.56
OT.OT05.EHN. ML:1.3 0.00007350000000000001 0.96 AML other m 2021-03-09T06:40:40.62
OT.OT05.EHE. ML:1.4 0.00010600000000000002 0.76 AML other m 2021-03-09T06:40:41.41
IV.APRC.HHE. ML:1.8 0.0002245 0.18 AML other m 2021-03-09T06:40:41.32
IV.APRC.HHN. ML:1.8 0.0002405 0.18 AML other m 2021-03-09T06:40:41.33
IV.MRVN.HHE. ML:1.6 0.0000526 1.46 AML other m 2021-03-09T06:40:52.11
IV.MRVN.HHN. ML:1.7 0.0000717 0.46 AML other m 2021-03-09T06:40:53.37
IV.AMUR.HHE. ML:1.7 0.000040749999999999994 0.32 AML other m 2021-03-09T06:41:01.10
IV.AMUR.HHN. ML:1.6 0.000036150000000000005 0.5 AML other m 2021-03-09T06:41:01.84
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