Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.8 on date 12-08-2020 and time 21:22:25 (Italy) in region 7 km W Monte Sant'Angelo (FG)

A magnitude ML 1.8 earthquake occured in region: 7 km W Monte Sant'Angelo (FG), on

  • 12-08-2020 19:22:25 (UTC)
  • 12-08-2020 21:22:25 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 41.7370, 15.8800 at 17 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.

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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 7 12657 12657
Carpino FG 12 4182 16839
Manfredonia FG 12 57279 74118
San Giovanni Rotondo FG 13 27184 101302
Cagnano Varano FG 14 7330 108632
Mattinata FG 15 6310 114942
Ischitella FG 19 4432 119374
Vico del Gargano FG 19 7766 127140

Municipalities with at least 50000 inhabitants

An earthquake occurred to
12 Km N of Manfredonia (57279 inhabitants)
41 Km NE of Foggia (151991 inhabitants)
42 Km E of San Severo (53905 inhabitants)
52 Km N of Cerignola (58396 inhabitants)
57 Km NW of Barletta (94814 inhabitants)
66 Km NW of Andria (100440 inhabitants)
68 Km NW of Trani (56217 inhabitants)
76 Km NW of Bisceglie (55422 inhabitants)
84 Km NW of Molfetta (59874 inhabitants)
97 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 1.8 2020-08-12
19:22:25		 41.7368 15.8797 17 2021-02-26
15:54:52		 Bollettino Sismico Italiano INGV 86375341
Reviewed
Rev100 		ML 1.7 2020-08-12
19:22:25		 41.7293 15.8838 18 2020-08-12
20:02:02		 Sala Sismica INGV-Roma 81916861
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-08-12 19:22:25 ± 0.09
Latitude 41.7368 ± 0.0072
Longitude 15.8797 ± 0.0048
Depth (km) 17 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 86375341

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 654
Semi-minor axis of confidence ellipse (meter) 514
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 185
Circular confidence region, given by single value of horizontal uncertainty (meter) 650.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 92
Number of associated phases, regardless of their use for origin computation 24
Number of defining phases 23
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.22
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.99195
Number of stations at which the event was observed 14
Number of stations from which data was used for origin computation 13
Magnitudes information

ML:1.8

Field Value
Value 1.8
Uncertainty 0.3
Num. used stations 12
Type of magnitude ML
Reference to an origin 86375341
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2021-02-26 15:24:46

ML:1.7

Field Value
Value 1.7
Uncertainty 0.3
Num. used stations 14
Type of magnitude ML
Reference to an origin 81916861
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-08-12 20:02:02
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MNTP.HNZ. 2020-08-12T19:23:35.61 3.0 undecidable manual Sg 0.3 0
IV.MELA.HHZ. 2020-08-12T19:22:45.88 0.6 undecidable manual S 267 62.3931 97 0.8 38
IV.AMUR.HHZ. 2020-08-12T19:22:44.14 0.3 undecidable manual P 147 110.112 94 -0.14 62
IV.TREM.HHZ. 2020-08-12T19:22:42.91 0.6 undecidable manual S 325 52.6029 99 0.42 44
IV.PALZ.HHZ. 2020-08-12T19:22:41.29 0.3 undecidable manual P 176 88.1451 95 0.37 62
IV.SGTA.HNZ. 2020-08-12T19:22:39.96 0.3 undecidable manual P 213 79.2651 95 0.41 62
IV.MELA.HHZ. 2020-08-12T19:22:37.12 0.3 undecidable manual P 267 62.3931 97 0.15 68
OT.OT13.EHZ. 2020-08-12T19:22:36.35 0.3 undecidable manual S 57 29.4483 109 -0.13 73
OT.OT06.EHN. 2020-08-12T19:22:35.08 0.3 undecidable manual S 257 24.2535 115 -0.12 73
OT.OT04.EHZ. 2020-08-12T19:22:35.11 0.3 undecidable manual S 266 24.8529 114 -0.21 71
IV.TREM.HHZ. 2020-08-12T19:22:35.35 0.1 undecidable manual P 325 52.6029 99 -0.11 92
IV.APRC.HHZ. 2020-08-12T19:22:35.96 0.3 undecidable manual S 275 27.9498 110 -0.13 72
OT.OT05.EHZ. 2020-08-12T19:22:34.87 0.3 undecidable manual S 250 24.5532 114 -0.38 69
OT.OT03.EHN. 2020-08-12T19:22:33.91 0.3 undecidable manual S 262 19.2696 122 -0.1 74
IV.SGRT.HHZ. 2020-08-12T19:22:32.55 0.3 undecidable manual S 280 11.3775 140 0.12 74
OT.OT04.EHZ. 2020-08-12T19:22:31.32 0.3 undecidable manual P 266 24.8529 114 -0.01 74
IV.APRC.HHZ. 2020-08-12T19:22:31.67 0.1 undecidable manual P 275 27.9498 110 -0.1 96
OT.OT05.EHZ. 2020-08-12T19:22:31.01 0.1 undecidable manual P 250 24.5532 114 -0.28 94
OT.OT13.EHZ. 2020-08-12T19:22:31.85 0.1 undecidable manual P 57 29.4483 109 -0.14 96
IV.MSAG.HNE. 2020-08-12T19:22:31.71 0.3 undecidable manual S 138 3.6963 166 0.24 72
OT.OT06.EHN. 2020-08-12T19:22:31.13 0.1 undecidable manual P 257 24.2535 115 -0.12 97
OT.OT03.EHN. 2020-08-12T19:22:30.54 0.1 undecidable manual P 262 19.2696 122 -0.03 100
IV.SGRT.HHZ. 2020-08-12T19:22:29.79 0.1 undecidable manual P 280 11.3775 140 0.14 99
IV.MSAG.HNE. 2020-08-12T19:22:29.20 0.1 undecidable manual P 138 3.6963 166 0.1 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
OT.OT05.EHE. ML:1.3 0.000105191095 0.1664 AML other m 2020-08-12T19:22:35.76
IV.APRC.HHE. ML:1.7 0.00023061694999999997 0.1408 AML other m 2020-08-12T19:22:36.17
IV.APRC.HNE. ML:1.7 0.0002361785 0.1536 AML other m 2020-08-12T19:22:36.18
IV.APRC.HNN. ML:2.4 0.0010610338500000001 4.0576 AML other m 2020-08-12T19:22:38.37
OT.OT13.EHE. ML:1.7 0.0002148116 0.1792 AML other m 2020-08-12T19:22:36.53
OT.OT05.EHN. ML:1.2 0.000080417095 0.1024 AML other m 2020-08-12T19:22:36.99
OT.OT13.EHN. ML:2.0 0.0004554515 1.7696 AML other m 2020-08-12T19:22:37.10
IV.APRC.HHN. ML:1.9 0.00033199099999999996 0.2048 AML other m 2020-08-12T19:22:38.83
IV.MELA.HNN. ML:1.9 0.00016680299999999998 0.7392 AML other m 2020-08-12T19:22:40.56
IV.MELA.HNE. ML:1.8 0.00012582916 0.6784 AML other m 2020-08-12T19:22:47.78
IV.MELA.HHE. ML:1.6 0.00007210211999999999 1.7568 AML other m 2020-08-12T19:22:47.06
IV.MELA.HHN. ML:1.9 0.00013927695 0.32 AML other m 2020-08-12T19:22:47.96
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