Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.5 on date 16-08-2020 and time 22:37:49 (UTC) in region 3 km SW Campotosto (AQ)

A magnitude ML 1.5 earthquake occured in region: 3 km SW Campotosto (AQ), on

  • 16-08-2020 22:37:49 (UTC)
  • 17-08-2020 00:37:49 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.5370, 13.3410 at 9 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
Campotosto AQ 3 542 542
Capitignano AQ 4 665 1207
Montereale AQ 8 2581 3788
Barete AQ 11 737 4525
Amatrice RI 11 2657 7182
Crognaleto TE 12 1297 8479
Pizzoli AQ 12 4326 12805
Cagnano Amiterno AQ 13 1369 14174
Fano Adriano TE 16 296 14470
Cortino TE 17 656 15126
Borbona RI 17 617 15743
Cittareale RI 17 482 16225
Pietracamela TE 18 271 16496
Accumoli RI 19 667 17163
Scoppito AQ 20 3727 20890

Municipalities with at least 50000 inhabitants

An earthquake occurred to
21 Km N of L'Aquila (69753 inhabitants)
33 Km W of Teramo (54892 inhabitants)
57 Km E of Terni (111501 inhabitants)
66 Km W of Montesilvano (53738 inhabitants)
70 Km SE of Foligno (57155 inhabitants)
71 Km W of Chieti (51815 inhabitants)
72 Km W of Pescara (121014 inhabitants)
78 Km NE of Tivoli (56533 inhabitants)
78 Km NE of Guidonia Montecelio (88673 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 1.5 2020-08-16
22:37:49		 42.5367 13.3407 9 2020-11-19
12:36:59		 Bollettino Sismico Italiano INGV 82403481
Reviewed
Rev100 		ML 1.6 2020-08-16
22:37:48		 42.5435 13.3473 10 2020-08-16
22:44:58		 Sala Sismica INGV-Roma 82060491
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-08-16 22:37:49 ± 0.07
Latitude 42.5367 ± 0.0036
Longitude 13.3407 ± 0.0061
Depth (km) 9 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 82403481

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 435
Semi-minor axis of confidence ellipse (meter) 340
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 88
Circular confidence region, given by single value of horizontal uncertainty (meter) 440.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 50
Number of associated phases, regardless of their use for origin computation 44
Number of defining phases 41
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.38
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.81119
Number of stations at which the event was observed 24
Number of stations from which data was used for origin computation 21
Magnitudes information

ML:1.5

Field Value
Value 1.5
Uncertainty 0.3
Num. used stations 34
Type of magnitude ML
Reference to an origin 82403481
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-08-28 09:33:46

ML:1.6

Field Value
Value 1.6
Uncertainty 0.3
Num. used stations 32
Type of magnitude ML
Reference to an origin 82060491
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-08-16 22:44:58
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.ROSPO.HHZ. 2020-08-16T22:38:31.30 3.0 undecidable manual S 1.96 0
IV.LAV9.HNZ. 2020-08-16T22:38:21.75 3.0 undecidable manual S -1.7 0
IV.EL6.EHZ. 2020-08-16T22:38:16.65 0.1 undecidable manual S 348 90.0432 50 0.64 74
IV.GUMA.HHZ. 2020-08-16T22:38:08.35 0.1 undecidable manual S 360 58.3971 50 0.8 74
IV.MNTT.EHZ. 2020-08-16T22:38:08.69 0.3 undecidable manual S 20 61.8936 50 0.2 66
IV.FDMO.HHZ. 2020-08-16T22:38:07.74 0.1 undecidable manual S 340 59.1963 50 -0.02 92
IV.MF5.EHZ. 2020-08-16T22:38:06.20 0.1 undecidable manual S 11 51.0156 50 0.62 80
IT.RMMM.HGZ. 2020-08-16T22:38:05.01 3.0 undecidable manual P -1.85 0
IV.EL6.EHZ. 2020-08-16T22:38:04.40 0.1 undecidable manual P 348 90.0432 50 -0.2 84
IV.ARRO.EHZ. 2020-08-16T22:38:04.44 0.1 undecidable manual S 276 47.2194 50 -0.14 92
IV.MC2.EHZ. 2020-08-16T22:38:03.36 0.1 undecidable manual S 344 43.4232 50 -0.19 91
IV.MMO1.EHZ. 2020-08-16T22:38:02.13 0.1 undecidable manual S 358 40.2264 50 -0.58 83
IV.FAGN.HHZ. 2020-08-16T22:38:02.36 0.1 undecidable manual S 146 36.0417 50 0.76 78
IV.GAVE.EHZ. 2020-08-16T22:38:02.36 0.1 undecidable manual S 296 40.3263 50 -0.38 88
IV.NRCA.HHZ. 2020-08-16T22:38:01.47 0.1 undecidable manual S 331 37.7289 50 -0.58 84
IV.MNTT.EHZ. 2020-08-16T22:38:01.16 0.1 negative manual P 20 61.8936 50 0.9 70
IV.FIAM.HHZ. 2020-08-16T22:38:00.92 0.1 undecidable manual S 212 34.9428 50 -0.38 89
IV.GUMA.HHZ. 2020-08-16T22:37:59.95 0.1 negative manual P 360 58.3971 50 0.24 88
IV.FDMO.HHZ. 2020-08-16T22:37:59.50 0.1 undecidable manual P 340 59.1963 50 -0.34 86
IV.OFFI.HHZ. 2020-08-16T22:37:59.57 0.1 undecidable manual P 32 52.4031 50 0.78 75
IV.LNSS.HHZ. 2020-08-16T22:37:58.45 0.1 undecidable manual S 287 25.6521 109 0.06 97
IV.MF5.EHZ. 2020-08-16T22:37:58.82 0.1 undecidable manual P 11 51.0156 50 0.25 89
IV.ARRO.EHZ. 2020-08-16T22:37:57.92 0.1 undecidable manual P 276 47.2194 50 -0.07 93
IV.TERO.HHZ. 2020-08-16T22:37:57.63 0.1 undecidable manual S 66 23.5542 110 -0.08 97
IV.MTRA.EHZ. 2020-08-16T22:37:57.40 0.1 undecidable manual S 11 24.8529 109 -0.74 80
IV.MC2.EHZ. 2020-08-16T22:37:57.19 0.1 undecidable manual P 344 43.4232 50 -0.21 91
IV.NRCA.HHZ. 2020-08-16T22:37:56.23 0.1 negative manual P 331 37.7289 50 -0.31 90
IV.GIGS.HHZ. 2020-08-16T22:37:56.53 0.1 undecidable manual S 116 21.1677 113 -0.41 91
IV.MMO1.EHZ. 2020-08-16T22:37:56.70 0.1 undecidable manual P 358 40.2264 50 -0.22 91
IV.GAVE.EHZ. 2020-08-16T22:37:56.72 0.1 undecidable manual P 296 40.3263 50 -0.21 91
MN.AQU.HNZ. 2020-08-16T22:37:56.78 0.1 undecidable manual S 165 20.9679 113 -0.09 97
IV.FIAM.HHZ. 2020-08-16T22:37:56.10 0.1 undecidable manual P 212 34.9428 50 0 96
IV.FAGN.HHZ. 2020-08-16T22:37:55.96 0.1 positive manual P 146 36.0417 50 -0.31 90
IV.T1299.HNZ. 2020-08-16T22:37:54.32 0.1 undecidable manual S 336 11.877 126 0.21 96
IV.RM33.EHZ. 2020-08-16T22:37:54.21 0.1 undecidable manual S 254 10.7781 129 0.4 93
IV.LNSS.HHZ. 2020-08-16T22:37:54.52 0.1 undecidable manual P 287 25.6521 109 0.1 96
IV.SMA1.EHZ. 2020-08-16T22:37:53.76 0.1 undecidable manual S 358 10.3785 130 0.03 100
IV.MTRA.EHZ. 2020-08-16T22:37:53.86 0.1 negative manual P 11 24.8529 109 -0.42 90
MN.AQU.HNZ. 2020-08-16T22:37:53.74 0.1 undecidable manual P 165 20.9679 113 0.2 95
IV.GIGS.HHZ. 2020-08-16T22:37:53.38 0.1 negative manual P 116 21.1677 113 -0.2 95
IV.TERO.HHZ. 2020-08-16T22:37:53.69 0.1 undecidable manual P 66 23.5542 110 -0.34 92
IV.T1299.HNZ. 2020-08-16T22:37:52.27 0.1 negative manual P 336 11.877 126 0.32 94
IV.RM33.EHZ. 2020-08-16T22:37:52.20 0.1 positive manual P 254 10.7781 129 0.43 92
IV.SMA1.EHZ. 2020-08-16T22:37:51.90 0.1 negative manual P 358 10.3785 130 0.17 97
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.SMA1.EHE. ML:1.6 0.0005075 1.14 AML other m 2020-08-16T22:37:54.72
IV.RM33.HNN. ML:1.6 0.0005695 0.16 AML other m 2020-08-16T22:37:54.69
IV.MTRA.EHN. ML:1.8 0.00038950000000000003 0.34 AML other m 2020-08-16T22:37:57.51
IV.MTRA.EHE. ML:1.7 0.00033650000000000005 0.44 AML other m 2020-08-16T22:37:57.65
IV.LNSS.HHN. ML:1.6 0.00020750000000000003 0.14 AML other m 2020-08-16T22:37:58.80
IV.LNSS.HHE. ML:1.5 0.00016949999999999997 0.38 AML other m 2020-08-16T22:37:58.74
IV.MF5.EHN. ML:1.6 0.00009870000000000001 0.42 AML other m 2020-08-16T22:38:06.59
IV.MF5.EHE. ML:1.6 0.00009759999999999999 0.72 AML other m 2020-08-16T22:38:06.91
IV.OFFI.HHN. ML:1.6 0.0001048 0.5 AML other m 2020-08-16T22:38:08.54
IV.OFFI.HHE. ML:1.7 0.0001305 0.46 AML other m 2020-08-16T22:38:09.14
IV.EL6.EHN. ML:1.6 0.000047600000000000005 0.98 AML other m 2020-08-16T22:38:19.78
IV.EL6.EHE. ML:1.5 0.0000383 0.76 AML other m 2020-08-16T22:38:21.00
IV.SMA1.EHN. ML:1.4 0.00036725425 0.2176 AML other m 2020-08-16T22:37:53.84
IV.RM33.HNE. ML:1.5 0.000436658 0.2816 AML other m 2020-08-16T22:37:54.44
IV.RM33.EHE. ML:1.5 0.00043686625000000003 0.2816 AML other m 2020-08-16T22:37:54.45
IV.TERO.HHN. ML:1.5 0.00018390059999999999 0.6272 AML other m 2020-08-16T22:37:57.91
IV.TERO.HNE. ML:1.4 0.00016865792 0.3328 AML other m 2020-08-16T22:37:58.28
IV.TERO.HHE. ML:1.4 0.0001537734 0.2048 AML other m 2020-08-16T22:37:58.28
IV.FAGN.HHN. ML:1.6 0.00016192105 0.3968 AML other m 2020-08-16T22:38:02.46
IV.FAGN.HHE. ML:1.6 0.00017423709999999997 0.384 AML other m 2020-08-16T22:38:02.41
IV.FIAM.HHE. ML:0.7 0.000017761635000000002 0.2304 AML other m 2020-08-16T22:38:01.63
IV.FIAM.HHN. ML:0.9 0.000033673755 0.7552 AML other m 2020-08-16T22:38:01.88
IV.NRCA.HHE. ML:2.4 0.0008691523999999999 0.32 AML other m 2020-08-16T22:38:01.77
IV.NRCA.HNE. ML:2.3 0.0007801479 0.32 AML other m 2020-08-16T22:38:01.62
IV.NRCA.HHN. ML:2.1 0.00048447625 0.0896 AML other m 2020-08-16T22:38:01.56
IV.GAVE.EHE. ML:1.2 0.000054554560000000005 0.576 AML other m 2020-08-16T22:38:02.50
IV.GAVE.EHN. ML:1.1 0.00004002336 0.2432 AML other m 2020-08-16T22:38:02.67
IV.ARRO.EHE. ML:0.8 0.000019989174999999997 0.2176 AML other m 2020-08-16T22:38:04.97
IV.ARRO.EHN. ML:0.8 0.00001904209 0.2432 AML other m 2020-08-16T22:38:04.51
IV.FDMO.HHN. ML:1.1 0.000026858899999999998 0.128 AML other m 2020-08-16T22:38:08.63
IV.FDMO.HHE. ML:1.2 0.000033195665 0.2432 AML other m 2020-08-16T22:38:08.72
IV.GUMA.HHN. ML:1.5 0.00007493637 0.6272 AML other m 2020-08-16T22:38:08.68
IV.GUMA.HHE. ML:1.6 0.00009473474 0.256 AML other m 2020-08-16T22:38:08.95
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