Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.8 on date 24-08-2020 and time 02:50:01 (Italy) in region 3 km NW Cagnano Amiterno (AQ)

A magnitude ML 1.8 earthquake occured in region: 3 km NW Cagnano Amiterno (AQ), on

  • 24-08-2020 00:50:01 (UTC)
  • 24-08-2020 02:50:01 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.4790, 13.1950 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
Cagnano Amiterno AQ 3 1369 1369
Borbona RI 6 617 1986
Montereale AQ 7 2581 4567
Barete AQ 8 737 5304
Posta RI 10 694 5998
Pizzoli AQ 10 4326 10324
Capitignano AQ 10 665 10989
Antrodoco RI 12 2588 13577
Micigliano RI 12 127 13704
Scoppito AQ 13 3727 17431
Borgo Velino RI 14 972 18403
Cittareale RI 16 482 18885
Castel Sant'Angelo RI 16 1308 20193
Campotosto AQ 17 542 20735
Amatrice RI 19 2657 23392

Municipalities with at least 50000 inhabitants

An earthquake occurred to
22 Km NW of L'Aquila (69753 inhabitants)
46 Km E of Terni (111501 inhabitants)
46 Km W of Teramo (54892 inhabitants)
66 Km NE of Guidonia Montecelio (88673 inhabitants)
66 Km NE of Tivoli (56533 inhabitants)
67 Km SE of Foligno (57155 inhabitants)
78 Km W of Montesilvano (53738 inhabitants)
81 Km W of Chieti (51815 inhabitants)
84 Km W of Pescara (121014 inhabitants)
88 Km NE of Roma (2864731 inhabitants)
90 Km E of Viterbo (67173 inhabitants)
95 Km NE of Velletri (53303 inhabitants)
96 Km SE of Perugia (166134 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 2020-08-24
00:50:01		 42.4788 13.1948 12 2020-11-19
12:37:06		 Bollettino Sismico Italiano INGV 84604601
Reviewed
Rev100 		ML 1.8 2020-08-24
00:50:01		 42.4778 13.201 13 2020-08-24
00:59:56		 Sala Sismica INGV-Roma 82277001
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-08-24 00:50:01 ± 0.06
Latitude 42.4788 ± 0.0036
Longitude 13.1948 ± 0.0049
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 84604601

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 450
Semi-minor axis of confidence ellipse (meter) 16
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 259
Circular confidence region, given by single value of horizontal uncertainty (meter) 450.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 41
Number of associated phases, regardless of their use for origin computation 47
Number of defining phases 47
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.3
Epicentral distance of station closest to the epicenter (degree) 0.03327
Epicentral distance of station farthest from the epicenter (degree) 0.85256
Number of stations at which the event was observed 29
Number of stations from which data was used for origin computation 29
Magnitudes information

ML:1.8

Field Value
Value 1.8
Uncertainty 0.2
Num. used stations 32
Type of magnitude ML
Reference to an origin 82277001
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-08-24 00:59:56

ML:1.8

Field Value
Value 1.8
Uncertainty 0.2
Num. used stations 32
Type of magnitude ML
Reference to an origin 84604601
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-11-10 12:26:26
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.FDMO.HHZ. 2020-08-24T00:50:21.10 0.6 undecidable manual S 352 62.493 90 0.56 40
IV.MF5.EHZ. 2020-08-24T00:50:21.03 0.6 undecidable manual S 21 60.3951 91 1.04 33
IV.MOMA.HHZ. 2020-08-24T00:50:21.18 0.6 undecidable manual S 305 62.3931 90 0.65 39
IV.MC2.EHZ. 2020-08-24T00:50:17.08 0.6 undecidable manual S 359 48.0186 91 0.41 44
IV.EL6.EHZ. 2020-08-24T00:50:17.38 0.3 undecidable manual P 355 94.6386 90 -0.03 65
IV.CESX.HHZ. 2020-08-24T00:50:17.93 0.6 undecidable manual S 286 51.7038 91 0.26 45
IV.MMO1.EHZ. 2020-08-24T00:50:16.65 0.3 undecidable manual S 13 47.8188 91 0.01 71
IV.MNTT.EHZ. 2020-08-24T00:50:14.73 0.1 undecidable manual P 27 72.4719 90 0.74 74
IV.ASSB.HHZ. 2020-08-24T00:50:14.64 0.3 undecidable manual P 325 76.2681 90 0.06 67
IV.NRCA.HHZ. 2020-08-24T00:50:14.23 0.3 undecidable manual S 351 39.9267 91 -0.28 69
IV.OFFI.HHZ. 2020-08-24T00:50:13.46 0.3 undecidable manual P 38 64.491 90 0.7 58
IV.TERO.HHZ. 2020-08-24T00:50:13.21 0.3 undecidable manual S 64 37.0296 91 -0.54 65
IV.CSP1.EHZ. 2020-08-24T00:50:13.16 0.1 undecidable manual P 1 67.9764 90 -0.14 90
IV.ARRO.EHZ. 2020-08-24T00:50:13.31 1.0 undecidable manual S 288 36.8298 91 -0.38 22
IV.GUMA.HHZ. 2020-08-24T00:50:13.13 0.1 undecidable manual P 10 65.7897 90 0.17 89
IV.MOMA.HHZ. 2020-08-24T00:50:12.60 0.1 undecidable manual P 305 62.3931 90 0.16 90
IV.GAVE.EHZ. 2020-08-24T00:50:12.58 0.3 undecidable manual S 314 34.1436 91 -0.38 68
IV.SRES.HHZ. 2020-08-24T00:50:12.90 0.3 undecidable manual P 245 62.1933 90 0.49 63
IV.MTCE.HHZ. 2020-08-24T00:50:12.14 0.3 undecidable manual P 216 62.7927 90 -0.36 64
IV.FDMO.HHZ. 2020-08-24T00:50:12.21 0.1 undecidable manual P 352 62.493 90 -0.24 89
IV.PTQR.HHZ. 2020-08-24T00:50:12.19 0.3 undecidable manual P 162 53.4021 91 1.13 49
IV.MF5.EHZ. 2020-08-24T00:50:12.38 0.1 positive manual P 21 60.3951 91 0.24 89
IV.MTRA.EHZ. 2020-08-24T00:50:12.65 0.3 undecidable manual S 28 34.9428 91 -0.54 66
IV.GIGS.HHZ. 2020-08-24T00:50:11.53 0.3 undecidable manual S 95 31.0467 91 -0.62 64
IV.VCEL.EHZ. 2020-08-24T00:50:11.18 0.3 undecidable manual P 100 53.7018 91 0.08 70
IV.FIAM.HHZ. 2020-08-24T00:50:10.07 0.3 undecidable manual S 195 24.2535 92 -0.26 70
IV.MC2.EHZ. 2020-08-24T00:50:10.07 0.1 undecidable manual P 359 48.0186 91 -0.15 93
IV.CESX.HHZ. 2020-08-24T00:50:10.73 0.3 undecidable manual P 286 51.7038 91 -0.06 70
MN.AQU.HHZ. 2020-08-24T00:50:09.78 0.3 undecidable manual S 129 22.0668 93 0.02 75
IV.MMO1.EHZ. 2020-08-24T00:50:09.98 0.1 undecidable manual P 13 47.8188 91 -0.22 92
IV.FAGN.HHZ. 2020-08-24T00:50:09.19 0.1 undecidable manual P 126 39.7269 91 0.25 92
IV.SMA1.EHZ. 2020-08-24T00:50:09.40 0.3 undecidable manual S 34 20.3685 93 0.1 73
IV.ARRO.EHZ. 2020-08-24T00:50:08.38 0.1 undecidable manual P 288 36.8298 91 -0.12 95
IV.NRCA.HHZ. 2020-08-24T00:50:08.71 0.1 undecidable manual P 351 39.9267 91 -0.26 92
IV.T1299.EHN. 2020-08-24T00:50:08.79 0.3 undecidable manual S 22 18.6702 94 -0.05 75
IV.LNSS.HHZ. 2020-08-24T00:50:08.75 0.3 undecidable manual S 317 18.6702 94 -0.1 74
IV.TERO.HHZ. 2020-08-24T00:50:08.21 0.1 undecidable manual P 64 37.0296 91 -0.32 91
IV.GIGS.HHZ. 2020-08-24T00:50:07.20 0.1 undecidable manual P 95 31.0467 91 -0.41 90
IV.MTRA.EHZ. 2020-08-24T00:50:07.89 0.1 positive manual P 28 34.9428 91 -0.32 92
IV.GAVE.EHZ. 2020-08-24T00:50:07.90 0.1 undecidable manual P 314 34.1436 91 -0.18 95
IV.SMA1.EHZ. 2020-08-24T00:50:06.06 0.1 positive manual P 34 20.3685 93 0.1 98
MN.AQU.HHZ. 2020-08-24T00:50:06.14 0.1 undecidable manual P 129 22.0668 93 -0.09 98
IV.FIAM.HHZ. 2020-08-24T00:50:06.55 0.1 positive manual P 195 24.2535 92 -0.01 99
IV.LNSS.HHZ. 2020-08-24T00:50:05.78 0.1 undecidable manual P 317 18.6702 94 0.08 99
IV.RM33.HNZ. 2020-08-24T00:50:05.75 0.3 undecidable manual S 26 3.6963 157 0.19 75
IV.T1299.EHN. 2020-08-24T00:50:05.72 0.1 undecidable manual P 22 18.6702 94 0.02 100
IV.RM33.HNZ. 2020-08-24T00:50:04.09 0.1 undecidable manual P 26 3.6963 157 0.29 98
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.RM33.HNE. ML:2.4 0.003925 1.72 AML other m 2020-08-24T00:50:06.08
IV.RM33.EHE. ML:2.4 0.003934999999999999 1.7 AML other m 2020-08-24T00:50:06.09
IV.RM33.HNN. ML:2.1 0.00212 1.26 AML other m 2020-08-24T00:50:06.26
IV.RM33.EHN. ML:2.1 0.002125 0.22 AML other m 2020-08-24T00:50:06.27
IV.LNSS.HHE. ML:1.9 0.0005620000000000001 0.92 AML other m 2020-08-24T00:50:09.16
IV.SMA1.EHE. ML:1.8 0.00041799999999999997 0.5 AML other m 2020-08-24T00:50:09.74
IV.SMA1.EHN. ML:1.6 0.000272 0.94 AML other m 2020-08-24T00:50:09.85
IV.LNSS.HHN. ML:1.8 0.000425 0.14 AML other m 2020-08-24T00:50:10.31
IV.FIAM.HHN. ML:1.6 0.00024249999999999999 0.36 AML other m 2020-08-24T00:50:10.57
IV.FIAM.HHE. ML:1.6 0.000255 0.28 AML other m 2020-08-24T00:50:10.45
IV.CSP1.EHE. ML:1.6 0.00006325 0.42 AML other m 2020-08-24T00:50:12.25
IV.MTRA.EHE. ML:2.0 0.0004235 1.78 AML other m 2020-08-24T00:50:12.98
IV.MTRA.EHN. ML:2.0 0.00043000000000000004 0.1 AML other m 2020-08-24T00:50:13.01
IV.TERO.HHE. ML:1.5 0.000125 0.6 AML other m 2020-08-24T00:50:13.81
IV.ARRO.EHE. ML:1.8 0.000257 0.18 AML other m 2020-08-24T00:50:13.91
IV.TERO.HHN. ML:1.6 0.00014549999999999999 0.16 AML other m 2020-08-24T00:50:14.16
IV.GAVE.EHN. ML:1.6 0.00016749999999999998 1.42 AML other m 2020-08-24T00:50:14.91
IV.NRCA.HHE. ML:2.1 0.00047250000000000005 0.14 AML other m 2020-08-24T00:50:14.49
IV.ARRO.EHN. ML:1.8 0.00022649999999999998 0.24 AML other m 2020-08-24T00:50:15.11
IV.GAVE.EHE. ML:1.6 0.000169 1.04 AML other m 2020-08-24T00:50:15.25
IV.NRCA.HHN. ML:1.9 0.00024349999999999998 0.82 AML other m 2020-08-24T00:50:15.61
IV.FAGN.HHN. ML:1.7 0.000179 0.56 AML other m 2020-08-24T00:50:18.37
IV.FAGN.HHE. ML:1.7 0.000185 0.32 AML other m 2020-08-24T00:50:19.30
IV.VCEL.EHN. ML:1.7 0.00011999999999999999 0.6 AML other m 2020-08-24T00:50:20.37
IV.VCEL.EHE. ML:1.7 0.00010899999999999999 0.4 AML other m 2020-08-24T00:50:22.37
IV.MOMA.HHN. ML:1.6 0.00007240000000000001 0.22 AML other m 2020-08-24T00:50:22.91
IV.MOMA.HHE. ML:1.5 0.00006555 0.78 AML other m 2020-08-24T00:50:23.55
IV.GUMA.HHN. ML:2.1 0.00021800000000000004 0.6 AML other m 2020-08-24T00:50:23.24
IV.GUMA.HHE. ML:2.0 0.00019 0.36 AML other m 2020-08-24T00:50:24.02
IV.CSP1.EHN. ML:1.4 0.0000458 0.42 AML other m 2020-08-24T00:50:24.34
IV.ASSB.HHE. ML:1.5 0.00004385 1.46 AML other m 2020-08-24T00:50:26.12
IV.ASSB.HHN. ML:1.5 0.00004545000000000001 0.4 AML other m 2020-08-24T00:50:26.27
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