Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.9 on date 15-08-2020 and time 06:55:40 (UTC) in region 4 km SE Capitignano (AQ)

A magnitude ML 1.9 earthquake occured in region: 4 km SE Capitignano (AQ), on

  • 15-08-2020 06:55:40 (UTC)
  • 15-08-2020 08:55:40 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.5000, 13.3340 at 12 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
Capitignano AQ 4 665 665
Barete AQ 7 737 1402
Campotosto AQ 7 542 1944
Pizzoli AQ 8 4326 6270
Montereale AQ 8 2581 8851
Cagnano Amiterno AQ 10 1369 10220
Crognaleto TE 13 1297 11517
Amatrice RI 15 2657 14174
Scoppito AQ 16 3727 17901
Borbona RI 17 617 18518
L'Aquila AQ 17 69753 88271
Fano Adriano TE 18 296 88567
Pietracamela TE 18 271 88838
Cittareale RI 19 482 89320
Posta RI 20 694 90014
Cortino TE 20 656 90670

Municipalities with at least 50000 inhabitants

An earthquake occurred to
17 Km NW of L'Aquila (69753 inhabitants)
35 Km SW of Teramo (54892 inhabitants)
57 Km E of Terni (111501 inhabitants)
67 Km W of Montesilvano (53738 inhabitants)
70 Km W of Chieti (51815 inhabitants)
72 Km SE of Foligno (57155 inhabitants)
72 Km W of Pescara (121014 inhabitants)
74 Km NE of Tivoli (56533 inhabitants)
75 Km NE of Guidonia Montecelio (88673 inhabitants)
97 Km NE of Roma (2864731 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 1.9 2020-08-15
06:55:40		 42.4998 13.3338 12 2020-11-19
12:36:58		 Bollettino Sismico Italiano INGV 82195361
Reviewed
Rev100 		ML 1.8 2020-08-15
06:55:40		 42.5043 13.339 14 2020-08-15
07:11:00		 Sala Sismica INGV-Roma 81999021
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-08-15 06:55:40 ± 0.06
Latitude 42.4998 ± 0.0027
Longitude 13.3338 ± 0.0024
Depth (km) 12 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 82195361

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 294
Semi-minor axis of confidence ellipse (meter) 129
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 193
Circular confidence region, given by single value of horizontal uncertainty (meter) 290.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 71
Number of associated phases, regardless of their use for origin computation 48
Number of defining phases 43
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.28
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 1.20869
Number of stations at which the event was observed 31
Number of stations from which data was used for origin computation 26
Magnitudes information

ML:1.9

Field Value
Value 1.9
Uncertainty 0.3
Num. used stations 37
Type of magnitude ML
Reference to an origin 82195361
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-08-21 07:29:03

ML:1.8

Field Value
Value 1.8
Uncertainty 0.2
Num. used stations 31
Type of magnitude ML
Reference to an origin 81999021
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-08-15 07:11:00
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
GU.GSCL.HHZ. 2020-08-15T06:56:59.83 3.0 undecidable manual Sn 5.02 0
IV.FIR.HHZ. 2020-08-15T06:56:15.76 3.0 undecidable manual Pn 4.08 0
IV.BRSN.EHZ. 2020-08-15T06:56:12.90 3.0 negative manual Pn 0.85 0
IV.CRTO.HHZ. 2020-08-15T06:56:10.52 3.0 undecidable manual Pn 0.31 0
IV.ATCC.EHZ. 2020-08-15T06:56:07.52 3.0 undecidable manual S -1.67 0
IV.MOMA.HHZ. 2020-08-15T06:56:02.27 0.6 undecidable manual S 299 70.8735 90 0.69 37
IV.ROSPO.HHZ. 2020-08-15T06:56:02.17 0.1 undecidable manual P 102 134.1657 90 -0.14 76
IV.FDMO.HHZ. 2020-08-15T06:56:00.39 0.3 undecidable manual S 341 62.7927 90 0.95 51
IV.CESX.HHZ. 2020-08-15T06:55:59.94 0.3 undecidable manual S 281 62.1933 90 0.66 58
IV.MF5.EHZ. 2020-08-15T06:55:57.46 0.3 undecidable manual S 11 55.1004 91 0.08 69
IV.EL6.EHZ. 2020-08-15T06:55:56.20 0.1 undecidable manual P 348 93.9393 90 0.09 85
IV.ARRO.EHZ. 2020-08-15T06:55:55.22 0.3 undecidable manual S 281 47.2194 91 -0.07 70
IV.VCEL.EHZ. 2020-08-15T06:55:54.81 0.1 undecidable manual S 106 43.1235 91 0.63 84
IV.LPEL.HHZ. 2020-08-15T06:55:54.62 0.1 undecidable manual P 125 85.9473 90 -0.26 82
IV.ASSB.HHZ. 2020-08-15T06:55:54.17 0.3 undecidable manual P 318 81.5517 90 -0.03 66
IV.NRCA.HHZ. 2020-08-15T06:55:53.56 0.1 undecidable manual S 334 41.1255 91 -0.09 94
IV.GAVE.EHZ. 2020-08-15T06:55:53.65 0.1 undecidable manual S 301 41.7249 91 -0.17 93
IV.INTR.HHZ. 2020-08-15T06:55:52.40 0.1 undecidable manual P 139 71.6727 90 -0.27 84
IV.CESX.HHZ. 2020-08-15T06:55:51.07 0.3 undecidable manual P 281 62.1933 90 -0.15 67
IV.FIAM.HHZ. 2020-08-15T06:55:51.11 0.3 undecidable manual S 215 31.2465 91 0.1 72
IV.FAGN.HHZ. 2020-08-15T06:55:51.40 0.3 undecidable manual S 142 33.0447 91 -0.1 70
IV.FDMO.HHZ. 2020-08-15T06:55:51.25 0.3 undecidable manual P 341 62.7927 90 -0.07 68
IV.MOMA.HHZ. 2020-08-15T06:55:51.67 0.1 undecidable manual P 299 70.8735 90 -0.88 70
IV.OFFI.HHZ. 2020-08-15T06:55:50.75 0.1 undecidable manual P 31 56.1993 91 0.46 85
IV.MF5.EHZ. 2020-08-15T06:55:50.47 0.1 undecidable manual P 11 55.1004 91 0.35 87
IV.MTRA.EHZ. 2020-08-15T06:55:49.92 0.1 undecidable manual S 10 28.9488 92 -0.48 88
IV.TERO.HHZ. 2020-08-15T06:55:49.29 0.6 undecidable manual S -0.17 47
IV.LNSS.HHZ. 2020-08-15T06:55:49.69 0.6 undecidable manual S 296 26.5512 92 -0.08 49
IV.MMO1.EHZ. 2020-08-15T06:55:48.29 0.3 undecidable manual P 359 44.3223 91 -0.18 69
IV.ARRO.EHZ. 2020-08-15T06:55:48.75 0.3 undecidable manual P 281 47.2194 91 -0.17 69
IV.VCEL.EHZ. 2020-08-15T06:55:48.60 0.1 undecidable manual P 106 43.1235 91 0.32 90
IV.MC2.EHZ. 2020-08-15T06:55:48.77 0.1 undecidable manual P 346 47.1195 91 -0.13 92
IV.GIGS.HHE. 2020-08-15T06:55:47.76 0.1 undecidable manual S 105 20.2686 94 -0.32 91
IV.NRCA.HHZ. 2020-08-15T06:55:47.76 0.1 negative manual P 334 41.1255 91 -0.21 92
MN.AQU.HHN. 2020-08-15T06:55:47.62 0.1 undecidable manual S 160 17.1717 96 0.35 94
IV.GAVE.EHZ. 2020-08-15T06:55:47.95 0.1 undecidable manual P 301 41.7249 91 -0.12 93
IV.FAGN.HHZ. 2020-08-15T06:55:46.66 0.1 undecidable manual P 142 33.0447 91 -0.07 94
IV.SMA1.EHZ. 2020-08-15T06:55:46.58 0.1 undecidable manual S 0 14.4744 103 0.02 99
IV.T1299.HNE. 2020-08-15T06:55:46.83 0.1 undecidable manual S 344 15.4734 99 0.01 99
IV.FIAM.HHZ. 2020-08-15T06:55:46.49 0.1 undecidable manual P 215 31.2465 91 0.04 97
IV.RM33.EHZ. 2020-08-15T06:55:45.39 0.1 undecidable manual S 276 9.7791 124 -0.02 100
IV.LNSS.HHZ. 2020-08-15T06:55:45.70 0.1 undecidable manual P 296 26.5512 92 -0.03 98
IV.MTRA.EHZ. 2020-08-15T06:55:45.90 0.1 undecidable manual P 10 28.9488 92 -0.2 94
MN.AQU.HHN. 2020-08-15T06:55:44.30 0.1 undecidable manual P 160 17.1717 96 0.01 99
IV.GIGS.HHE. 2020-08-15T06:55:44.66 0.1 undecidable manual P 105 20.2686 94 -0.09 96
IV.SMA1.EHZ. 2020-08-15T06:55:44.02 0.1 undecidable manual P 0 14.4744 103 0.14 97
IV.T1299.HNE. 2020-08-15T06:55:44.22 0.1 negative manual P 344 15.4734 99 0.19 96
IV.RM33.EHZ. 2020-08-15T06:55:43.42 0.1 positive manual P 276 9.7791 124 0.21 96
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.RM33.EHN. ML:1.6 0.0005404364 0.2208 AML other m 2020-08-15T06:55:45.64
IV.RM33.HNN. ML:1.7 0.000578948 0.2112 AML other m 2020-08-15T06:55:45.53
IV.RM33.HNE. ML:1.7 0.00066538695 0.288 AML other m 2020-08-15T06:55:45.55
IV.RM33.EHE. ML:1.7 0.00061982515 0.1184 AML other m 2020-08-15T06:55:46.30
IV.SMA1.EHN. ML:1.9 0.00079759875 0.2208 AML other m 2020-08-15T06:55:47.41
IV.SMA1.EHE. ML:2.2 0.001308103 0.2016 AML other m 2020-08-15T06:55:47.58
IV.TERO.HNN. ML:1.7 0.0002627314 0.2784 AML other m 2020-08-15T06:55:49.46
IV.TERO.HNE. ML:1.6 0.00021749115 0.8224 AML other m 2020-08-15T06:55:49.51
IV.TERO.HHE. ML:1.6 0.0002132223 0.1568 AML other m 2020-08-15T06:55:49.59
IV.TERO.HHN. ML:1.7 0.00028394635 0.1568 AML other m 2020-08-15T06:55:49.59
IV.LNSS.HNE. ML:2.4 0.0014841515 0.1504 AML other m 2020-08-15T06:55:50.01
IV.LNSS.HHE. ML:2.5 0.001551042 0.1408 AML other m 2020-08-15T06:55:50.01
IV.LNSS.HHN. ML:2.3 0.0010735545000000002 0.16 AML other m 2020-08-15T06:55:50.03
IV.LNSS.HNN. ML:2.2 0.0009177104 0.1728 AML other m 2020-08-15T06:55:50.12
IV.MTRA.EHE. ML:2.6 0.0017854025 0.4416 AML other m 2020-08-15T06:55:50.11
IV.MTRA.HNE. ML:2.6 0.0018360224999999998 0.4384 AML other m 2020-08-15T06:55:50.11
IV.MTRA.EHN. ML:2.4 0.00111933245 0.4416 AML other m 2020-08-15T06:55:50.11
IV.MTRA.HNN. ML:2.3 0.0010690635 0.9632 AML other m 2020-08-15T06:55:50.11
IV.GAVE.HNE. ML:2.0 0.00029090740000000005 0.6784 AML other m 2020-08-15T06:55:54.25
IV.GAVE.EHE. ML:2.0 0.00029097845 1.0816 AML other m 2020-08-15T06:55:54.26
IV.NRCA.HHN. ML:2.0 0.00032356644999999995 0.1216 AML other m 2020-08-15T06:55:54.32
IV.NRCA.HNE. ML:1.9 0.00028360094999999995 0.8096 AML other m 2020-08-15T06:55:55.40
IV.ARRO.EHE. ML:1.8 0.00017122505 0.24 AML other m 2020-08-15T06:55:55.76
IV.VCEL.EHN. ML:1.9 0.0002623144 0.0992 AML other m 2020-08-15T06:55:55.85
IV.NRCA.HNN. ML:2.1 0.00041752040000000003 0.5472 AML other m 2020-08-15T06:55:56.32
IV.NRCA.HHE. ML:1.9 0.00027504324999999997 0.32 AML other m 2020-08-15T06:55:56.31
IV.ARRO.EHN. ML:1.8 0.00017525525 1.1616 AML other m 2020-08-15T06:55:57.01
IV.GAVE.EHN. ML:2.0 0.00034196735 1.1584 AML other m 2020-08-15T06:55:57.07
IV.VCEL.EHE. ML:2.0 0.00031318155 0.6976 AML other m 2020-08-15T06:55:57.36
IV.MF5.EHN. ML:1.8 0.000129380425 0.5408 AML other m 2020-08-15T06:55:59.01
IV.MF5.EHE. ML:1.6 0.00010043866105999998 0.2592 AML other m 2020-08-15T06:56:00.22
IV.CESX.HHN. ML:1.6 0.000067577995 1.0784 AML other m 2020-08-15T06:56:01.89
IV.CESX.HHE. ML:1.6 0.00006872668 0.7808 AML other m 2020-08-15T06:56:01.51
IV.MOMA.HHE. ML:1.9 0.00013767625 0.1824 AML other m 2020-08-15T06:56:03.57
IV.MOMA.HHN. ML:1.8 0.000116797335 0.24 AML other m 2020-08-15T06:56:03.86
IV.MOMA.HNN. ML:2.1 0.00020166955 0.0192 AML other m 2020-08-15T06:56:03.86
IV.MOMA.HNE. ML:2.1 0.0001951996 0.272 AML other m 2020-08-15T06:56:05.41
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