Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.0 on date 09-10-2020 and time 03:39:54 (Italy) in region 4 km W Ascoli Piceno (AP)

A magnitude ML 2.0 earthquake occured in region: 4 km W Ascoli Piceno (AP), on

  • 09-10-2020 01:39:54 (UTC)
  • 09-10-2020 03:39:54 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.8520, 13.5300 at 18 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.

Hai sentito il terremoto? Clicca qui

Did you feel it? Fill in the questionnaire.

Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Ascoli Piceno AP 4 49407 49407
Venarotta AP 4 2066 51473
Roccafluvione AP 5 2010 53483
Palmiano AP 8 196 53679
Folignano AP 9 9241 62920
Rotella AP 12 906 63826
Castignano AP 12 2796 66622
Appignano del Tronto AP 12 1785 68407
Force AP 13 1354 69761
Maltignano AP 13 2401 72162
Valle Castellana TE 13 977 73139
Acquasanta Terme AP 13 2916 76055
Montedinove AP 14 488 76543
Civitella del Tronto TE 14 5116 81659
Comunanza AP 15 3166 84825
Castel di Lama AP 15 8634 93459
Sant'Egidio alla Vibrata TE 16 9811 103270
Montegallo AP 16 523 103793
Montefalcone Appennino FM 16 424 104217
Offida AP 16 5058 109275
Montalto delle Marche AP 16 2122 111397
Castorano AP 17 2380 113777
Montemonaco AP 17 604 114381
Ancarano TE 17 1857 116238
Colli del Tronto AP 18 3668 119906
Montefortino FM 18 1178 121084
Smerillo FM 18 365 121449
Rocca Santa Maria TE 18 537 121986
Montelparo FM 19 778 122764
Santa Vittoria in Matenano FM 19 1330 124094
Campli TE 19 7209 131303
Cossignano AP 20 978 132281

Municipalities with at least 50000 inhabitants

An earthquake occurred to
26 Km NW of Teramo (54892 inhabitants)
57 Km N of L'Aquila (69753 inhabitants)
63 Km NW of Montesilvano (53738 inhabitants)
68 Km E of Foligno (57155 inhabitants)
71 Km NW of Pescara (121014 inhabitants)
76 Km NW of Chieti (51815 inhabitants)
79 Km E of Terni (111501 inhabitants)
85 Km S of Ancona (100861 inhabitants)
97 Km E 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 2.0 2020-10-09
01:39:54		 42.8525 13.5297 18 2021-02-26
14:55:58		 Bollettino Sismico Italiano INGV 83734871
Reviewed
Rev100 		ML 2.0 2020-10-09
01:39:54		 42.8533 13.5198 19 2020-10-09
01:44:57		 Sala Sismica INGV-Roma 83631451
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-10-09 01:39:54 ± 0.09
Latitude 42.8525 ± 0.0036
Longitude 13.5297 ± 0.0061
Depth (km) 18 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 83734871

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 500
Semi-minor axis of confidence ellipse (meter) 45
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 261
Circular confidence region, given by single value of horizontal uncertainty (meter) 500.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 54
Number of associated phases, regardless of their use for origin computation 57
Number of defining phases 57
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.33
Epicentral distance of station closest to the epicenter (degree) 0.13670
Epicentral distance of station farthest from the epicenter (degree) 1.12955
Number of stations at which the event was observed 36
Number of stations from which data was used for origin computation 36
Magnitudes information

ML:2.0

Field Value
Value 2.0
Uncertainty 0.3
Num. used stations 58
Type of magnitude ML
Reference to an origin 83631451
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-10-09 01:44:57

ML:2.0

Field Value
Value 2.0
Uncertainty 0.3
Num. used stations 58
Type of magnitude ML
Reference to an origin 83734871
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-12-28 14:00:08
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MOMA.HHZ. 2020-10-09T01:40:19.15 0.6 undecidable manual S 266 78.2661 96 1.17 30
IV.ASSB.HHZ. 2020-10-09T01:40:17.41 0.3 undecidable manual S 287 73.7706 97 0.61 59
IV.PE3.EHZ. 2020-10-09T01:40:16.50 0.6 undecidable manual P 319 125.3745 94 1.19 27
IV.ARRO.EHZ. 2020-10-09T01:40:15.94 0.3 undecidable manual S 244 69.2751 97 0.34 64
IV.SNTG.HHZ. 2020-10-09T01:40:14.96 0.1 undecidable manual S 313 65.3901 98 0.39 85
IV.EL6.EHZ. 2020-10-09T01:40:14.80 0.1 undecidable manual S 327 63.2922 98 0.8 74
IV.CRTC.HHZ. 2020-10-09T01:40:14.94 0.3 undecidable manual P 333 114.1968 94 1.34 38
IV.NARO.HHZ. 2020-10-09T01:40:13.67 0.3 undecidable manual P 318 113.7972 94 0.13 62
IV.GAVE.EHZ. 2020-10-09T01:40:12.45 0.6 undecidable manual S 251 54.7008 100 0.7 39
IV.CESI.HHZ. 2020-10-09T01:40:11.81 0.1 undecidable manual S 289 53.502 100 0.37 88
IV.MURB.HHZ. 2020-10-09T01:40:10.62 0.3 undecidable manual P 300 93.3399 95 0.24 63
IV.LNSS.HHZ. 2020-10-09T01:40:10.45 0.3 undecidable manual S 235 48.5181 101 0.31 68
IV.RM33.EHZ. 2020-10-09T01:40:09.99 0.1 undecidable manual S 214 45.9207 102 0.53 86
IV.ATCC.EHZ. 2020-10-09T01:40:08.37 0.3 undecidable manual P 297 81.0522 96 -0.13 66
IV.FDMO.HHZ. 2020-10-09T01:40:08.08 0.1 undecidable manual S 300 41.3253 104 -0.17 94
IV.FOSV.EHZ. 2020-10-09T01:40:08.28 0.3 undecidable manual P 308 79.2651 96 0.05 67
IV.MOMA.HHZ. 2020-10-09T01:40:08.10 0.1 undecidable manual P 266 78.2661 96 0.03 90
IV.ASSB.HHZ. 2020-10-09T01:40:07.08 0.3 undecidable manual P 287 73.7706 97 -0.31 65
IV.CSP1.EHZ. 2020-10-09T01:40:07.10 0.3 undecidable manual S 315 37.4292 106 -0.14 72
IV.CAMP.HHZ. 2020-10-09T01:40:07.27 0.1 undecidable manual S 196 36.5412 106 0.27 93
IV.ARRO.EHZ. 2020-10-09T01:40:06.71 0.3 undecidable manual P 244 69.2751 97 0.01 69
IV.T0110.HHZ. 2020-10-09T01:40:06.87 0.1 undecidable manual P 164 71.9724 97 -0.25 88
IV.NRCA.HHZ. 2020-10-09T01:40:06.34 0.1 undecidable manual S 267 33.8439 108 0.01 98
IV.FAGN.HHZ. 2020-10-09T01:40:06.16 0.1 undecidable manual P 176 65.2902 98 0.08 92
IV.SMA1.EHZ. 2020-10-09T01:40:05.30 0.1 undecidable manual S 213 29.2485 111 0.12 97
IV.EL6.EHZ. 2020-10-09T01:40:05.20 0.1 undecidable manual P 327 63.2922 98 -0.58 82
IV.SNTG.HHZ. 2020-10-09T01:40:05.89 0.1 undecidable manual P 313 65.3901 98 -0.21 90
IV.SAP2.EHZ. 2020-10-09T01:40:05.23 0.3 undecidable manual S 339 29.0487 112 0.1 73
IV.VCEL.EHZ. 2020-10-09T01:40:04.74 0.1 undecidable manual P 153 56.7987 99 -0.05 94
IV.GUMA.HHZ. 2020-10-09T01:40:04.94 0.1 undecidable manual S 326 28.1496 112 0.04 99
IV.MNTT.EHZ. 2020-10-09T01:40:04.33 0.1 undecidable manual S 13 23.8539 117 0.47 91
IV.GAVE.EHZ. 2020-10-09T01:40:04.38 0.1 undecidable manual P 251 54.7008 100 -0.1 93
IV.LNSS.HHZ. 2020-10-09T01:40:03.41 0.1 positive manual P 235 48.5181 101 -0.13 94
IV.CESI.HHZ. 2020-10-09T01:40:03.99 0.1 undecidable manual P 289 53.502 100 -0.3 90
IV.RM33.EHZ. 2020-10-09T01:40:03.01 0.1 undecidable manual P 214 45.9207 102 -0.14 94
IV.GIGS.HHN. 2020-10-09T01:40:02.52 0.3 undecidable manual P 175 44.4222 102 -0.4 67
IV.OFFI.HHZ. 2020-10-09T01:40:02.39 0.1 undecidable manual S 54 15.6732 132 0.34 96
IV.MMO1.EHZ. 2020-10-09T01:40:02.01 0.1 undecidable manual S 288 17.2716 128 -0.37 94
IV.MTRA.HNZ. 2020-10-09T01:40:01.84 0.1 undecidable manual S 226 15.1737 133 -0.12 99
IV.CSP1.EHZ. 2020-10-09T01:40:01.47 0.1 undecidable manual P 315 37.4292 106 -0.4 90
IV.TRTR.HHZ. 2020-10-09T01:40:01.75 0.3 undecidable manual P 99 31.6461 109 0.73 61
IV.PF6.EHN. 2020-10-09T01:40:01.99 0.3 undecidable manual P 319 41.7249 103 -0.53 65
IV.MF5.EHZ. 2020-10-09T01:40:01.63 0.1 undecidable manual S 339 16.0728 131 -0.5 91
IV.CAMP.HHZ. 2020-10-09T01:40:01.50 0.1 undecidable manual P 196 36.5412 106 -0.23 94
IV.FDMO.HHZ. 2020-10-09T01:40:01.99 0.1 undecidable manual P 300 41.3253 104 -0.46 89
IV.T1299.HNN. 2020-10-09T01:40:01.03 0.1 undecidable manual P 220 31.5462 109 0.03 99
IV.NRCA.HHZ. 2020-10-09T01:40:01.13 0.1 undecidable manual P 267 33.8439 108 -0.22 95
IV.MC2.EHZ. 2020-10-09T01:40:00.37 0.3 undecidable manual P 283 28.4493 112 -0.19 72
IV.GUMA.HHZ. 2020-10-09T01:40:00.28 0.1 undecidable manual P 326 28.1496 112 -0.24 95
IV.MNTT.EHZ. 2020-10-09T01:40:00.05 0.1 positive manual P 13 23.8539 117 0.13 98
IV.SAP2.EHZ. 2020-10-09T01:40:00.26 0.1 undecidable manual P 339 29.0487 112 -0.39 92
IV.TERO.HHZ. 2020-10-09T01:40:00.06 0.1 undecidable manual P 167 26.1516 115 -0.18 96
IV.SMA1.EHZ. 2020-10-09T01:40:00.59 0.1 positive manual P 213 29.2485 111 -0.09 98
IV.MMO1.EHZ. 2020-10-09T01:39:58.77 0.1 positive manual P 288 17.2716 128 -0.3 95
IV.MTRA.HNZ. 2020-10-09T01:39:58.69 0.1 positive manual P 226 15.1737 133 -0.13 99
IV.MF5.EHZ. 2020-10-09T01:39:58.72 0.1 negative manual P 339 16.0728 131 -0.2 98
IV.OFFI.HHZ. 2020-10-09T01:39:58.98 0.1 undecidable manual P 54 15.6732 132 0.11 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.MTRA.HNE. ML:2.4 0.0019199999999999998 0.5 AML other m 2020-10-09T01:40:02.25
IV.MTRA.EHE. ML:2.4 0.0019399999999999999 0.5 AML other m 2020-10-09T01:40:02.25
IV.MF5.EHN. ML:2.3 0.00128 0.28 AML other m 2020-10-09T01:40:02.28
IV.MTRA.HNN. ML:2.0 0.000669 0.58 AML other m 2020-10-09T01:40:02.27
IV.MTRA.EHN. ML:2.0 0.0006765 0.58 AML other m 2020-10-09T01:40:02.28
IV.TERO.HNE. ML:2.1 0.000568 0.24 AML other m 2020-10-09T01:40:04.83
IV.TERO.HHE. ML:2.0 0.0004355 0.18 AML other m 2020-10-09T01:40:04.82
IV.MNTT.EHN. ML:2.7 0.00236 0.34 AML other m 2020-10-09T01:40:04.98
IV.GUMA.HHE. ML:2.1 0.000612 0.5 AML other m 2020-10-09T01:40:05.09
IV.SAP2.EHN. ML:2.7 0.00242 0.32 AML other m 2020-10-09T01:40:05.78
IV.SMA1.EHE. ML:2.1 0.0005555 0.48 AML other m 2020-10-09T01:40:05.79
IV.SMA1.EHN. ML:2.2 0.00074 0.14 AML other m 2020-10-09T01:40:05.81
IV.SAP2.EHE. ML:2.0 0.0004715 0.18 AML other m 2020-10-09T01:40:06.22
IV.MF5.EHE. ML:1.9 0.0005780000000000001 0.34 AML other m 2020-10-09T01:40:06.33
IV.NRCA.HNE. ML:2.7 0.00183 1.54 AML other m 2020-10-09T01:40:06.78
IV.MNTT.EHE. ML:2.5 0.0017900000000000001 0.2 AML other m 2020-10-09T01:40:06.78
IV.NRCA.HHE. ML:2.7 0.00188 1.54 AML other m 2020-10-09T01:40:06.78
IV.NRCA.HHN. ML:2.7 0.002 0.08 AML other m 2020-10-09T01:40:06.85
IV.NRCA.HNN. ML:2.7 0.0017549999999999998 0.06 AML other m 2020-10-09T01:40:06.86
IV.CSP1.EHN. ML:2.3 0.000734 0.74 AML other m 2020-10-09T01:40:07.03
IV.CSP1.EHE. ML:2.2 0.000584 0.22 AML other m 2020-10-09T01:40:07.39
IV.FDMO.HHN. ML:1.8 0.0001895 0.12 AML other m 2020-10-09T01:40:08.31
IV.FDMO.HHE. ML:1.9 0.000222 0.54 AML other m 2020-10-09T01:40:08.47
IV.TERO.HHN. ML:1.7 0.000229 0.4 AML other m 2020-10-09T01:40:08.60
IV.TERO.HNN. ML:1.9 0.00035299999999999996 0.4 AML other m 2020-10-09T01:40:08.60
IV.CAMP.HHE. ML:1.3 0.00007635 1.14 AML other m 2020-10-09T01:40:09.36
IV.VCEL.EHE. ML:1.8 0.00011999999999999999 0.72 AML other m 2020-10-09T01:40:09.58
IV.GUMA.HHN. ML:2.1 0.0005835 0.48 AML other m 2020-10-09T01:40:10.58
IV.RM33.EHN. ML:2.2 0.00042800000000000005 0.26 AML other m 2020-10-09T01:40:10.44
IV.LNSS.HHN. ML:2.2 0.0004115 0.4 AML other m 2020-10-09T01:40:11.00
IV.CAMP.HHN. ML:1.6 0.000131 0.74 AML other m 2020-10-09T01:40:11.74
IV.RM33.EHE. ML:2.0 0.0002925 0.22 AML other m 2020-10-09T01:40:11.57
IV.CESI.HHE. ML:1.8 0.0001535 1.28 AML other m 2020-10-09T01:40:12.29
IV.LNSS.HHE. ML:2.1 0.000296 0.16 AML other m 2020-10-09T01:40:12.23
IV.CESI.HHN. ML:1.9 0.0001895 0.86 AML other m 2020-10-09T01:40:12.21
IV.GAVE.EHE. ML:2.2 0.000366 0.14 AML other m 2020-10-09T01:40:13.56
IV.GAVE.EHN. ML:2.2 0.00032450000000000003 0.16 AML other m 2020-10-09T01:40:13.48
IV.ARRO.EHE. ML:1.7 0.0000804 0.18 AML other m 2020-10-09T01:40:17.27
IV.ASSB.HHN. ML:1.6 0.00005355 0.2 AML other m 2020-10-09T01:40:18.07
IV.SNTG.HHE. ML:1.4 0.0000392 0.54 AML other m 2020-10-09T01:40:18.92
IV.SNTG.HHN. ML:1.4 0.00004585 0.12 AML other m 2020-10-09T01:40:18.95
IV.ARRO.EHN. ML:1.7 0.00007425 0.22 AML other m 2020-10-09T01:40:20.38
IV.EL6.EHE. ML:1.9 0.0001435 0.22 AML other m 2020-10-09T01:40:21.50
IV.MOMA.HHE. ML:1.8 0.00007939999999999999 1.02 AML other m 2020-10-09T01:40:21.68
IV.EL6.EHN. ML:1.8 0.0001205 1.32 AML other m 2020-10-09T01:40:22.04
IV.FOSV.EHE. ML:1.7 0.00006839999999999998 0.3 AML other m 2020-10-09T01:40:22.27
IV.ASSB.HHE. ML:1.6 0.0000577 1.18 AML other m 2020-10-09T01:40:22.92
IV.FOSV.EHN. ML:1.7 0.00006665000000000001 1.58 AML other m 2020-10-09T01:40:23.95
IV.T0110.HHN. ML:1.7 0.00008444999999999999 0.58 AML other m 2020-10-09T01:40:23.70
IV.MOMA.HHN. ML:1.6 0.0000588 1.1 AML other m 2020-10-09T01:40:24.04
IV.ATCC.EHN. ML:1.7 0.00006709999999999999 0.72 AML other m 2020-10-09T01:40:25.26
IV.FAGN.HHE. ML:2.0 0.00016749999999999998 0.46 AML other m 2020-10-09T01:40:26.02
IV.ATCC.EHE. ML:1.7 0.0000606 0.5 AML other m 2020-10-09T01:40:26.80
IV.T0110.HHE. ML:1.8 0.00010389999999999999 0.34 AML other m 2020-10-09T01:40:26.71
IV.VCEL.EHN. ML:1.8 0.000122 1.12 AML other m 2020-10-09T01:40:27.66
IV.MURB.HHE. ML:2.0 0.0001104 1.26 AML other m 2020-10-09T01:40:27.34
IV.FAGN.HHN. ML:1.9 0.000133 0.44 AML other m 2020-10-09T01:40:27.65
IV.MURB.HHN. ML:2.1 0.0001325 1.7 AML other m 2020-10-09T01:40:30.11
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
Waveforms Seismic signals in miniseed + resp format Download