Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.8 on date 02-09-2020 and time 15:18:45 (Italy) in region 3 km E Offida (AP)

A magnitude ML 1.8 earthquake occured in region: 3 km E Offida (AP), on

  • 02-09-2020 13:18:45 (UTC)
  • 02-09-2020 15:18:45 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.9250, 13.7210 at 27 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
Offida AP 3 5058 5058
Castorano AP 3 2380 7438
Appignano del Tronto AP 5 1785 9223
Colli del Tronto AP 6 3668 12891
Spinetoli AP 6 7215 20106
Castel di Lama AP 6 8634 28740
Monsampolo del Tronto AP 7 4611 33351
Cossignano AP 7 978 34329
Acquaviva Picena AP 8 3831 38160
Castignano AP 8 2796 40956
Ripatransone AP 9 4309 45265
Monteprandone AP 9 12655 57920
Ancarano TE 10 1857 59777
Maltignano AP 11 2401 62178
Sant'Egidio alla Vibrata TE 11 9811 71989
Controguerra TE 11 2436 74425
Montalto delle Marche AP 12 2122 76547
Montedinove AP 12 488 77035
Torano Nuovo TE 12 1611 78646
Carassai AP 12 1100 79746
Colonnella TE 13 3734 83480
San Benedetto del Tronto AP 13 47303 130783
Rotella AP 13 906 131689
Folignano AP 14 9241 140930
Nereto TE 14 5242 146172
Grottammare AP 14 16006 162178
Ascoli Piceno AP 14 49407 211585
Corropoli TE 14 5045 216630
Montefiore dell'Aso AP 14 2123 218753
Ortezzano FM 15 774 219527
Massignano AP 15 1638 221165
Monte Vidon Combatte FM 16 433 221598
Cupra Marittima AP 16 5398 226996
Monte Rinaldo FM 16 379 227375
Martinsicuro TE 17 16033 243408
Sant'Omero TE 17 5243 248651
Petritoli FM 17 2335 250986
Civitella del Tronto TE 18 5116 256102
Monterubbiano FM 18 2230 258332
Moresco FM 18 598 258930
Montelparo FM 18 778 259708
Campofilone FM 19 1916 261624
Montottone FM 19 979 262603
Alba Adriatica TE 19 12353 274956
Venarotta AP 19 2066 277022
Force AP 19 1354 278376
Monte Giberto FM 20 801 279177

Municipalities with at least 50000 inhabitants

An earthquake occurred to
30 Km N of Teramo (54892 inhabitants)
58 Km NW of Montesilvano (53738 inhabitants)
65 Km NW of Pescara (121014 inhabitants)
69 Km NE of L'Aquila (69753 inhabitants)
74 Km NW of Chieti (51815 inhabitants)
79 Km S of Ancona (100861 inhabitants)
83 Km E of Foligno (57155 inhabitants)
97 Km E of Terni (111501 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 2020-09-02
13:18:45		 42.9252 13.7213 27 2021-02-26
14:55:54		 Bollettino Sismico Italiano INGV 82706681
Reviewed
Rev100 		ML 1.8 2020-09-02
13:18:45		 42.921 13.7117 30 2020-09-02
13:30:04		 Sala Sismica INGV-Roma 82562161
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-09-02 13:18:45 ± 0.15
Latitude 42.9252 ± 0.0054
Longitude 13.7213 ± 0.0098
Depth (km) 27 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 82706681

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 617
Semi-minor axis of confidence ellipse (meter) 574
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 62
Circular confidence region, given by single value of horizontal uncertainty (meter) 620.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 164
Number of associated phases, regardless of their use for origin computation 42
Number of defining phases 39
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) 0.93619
Number of stations at which the event was observed 26
Number of stations from which data was used for origin computation 23
Magnitudes information

ML:1.8

Field Value
Value 1.8
Uncertainty 0.3
Num. used stations 28
Type of magnitude ML
Reference to an origin 82706681
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-11-30 11:43:09

ML:1.8

Field Value
Value 1.8
Uncertainty 0.3
Num. used stations 26
Type of magnitude ML
Reference to an origin 82562161
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-09-02 13:30:04
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.SACR.HHZ. 2020-09-02T13:19:38.55 3.0 undecidable manual Sg 0.49 0
GU.POPM.HHZ. 2020-09-02T13:19:27.00 3.0 negative manual Pn 2.48 0
IV.RNI2.HHZ. 2020-09-02T13:19:09.81 3.0 undecidable manual Pg 0.2 0
IV.EL6.EHZ. 2020-09-02T13:19:07.48 0.6 undecidable manual S 312 67.2771 106 0.57 41
IV.MURB.HHZ. 2020-09-02T13:19:04.20 0.3 undecidable manual P 292 103.9182 100 0.68 54
IV.FDMO.HHZ. 2020-09-02T13:19:03.65 0.3 undecidable manual S 284 52.9026 111 0.37 66
IV.NRCA.HHZ. 2020-09-02T13:19:03.14 0.6 undecidable manual S 259 50.4162 113 0.49 43
IV.GIGS.HHN. 2020-09-02T13:19:03.39 0.6 undecidable manual S 193 53.7018 111 -0.09 47
IV.MOMA.HHZ. 2020-09-02T13:19:02.89 0.6 undecidable manual P 262 94.5387 101 0.79 35
IV.ASSB.HHZ. 2020-09-02T13:19:01.14 0.3 undecidable manual P 279 87.246 102 0.15 65
IV.CSP1.EHZ. 2020-09-02T13:19:01.71 0.6 undecidable manual S 294 45.8208 115 0.18 47
IV.MC2.EHZ. 2020-09-02T13:19:01.51 0.3 undecidable manual S 268 43.2234 116 0.59 64
IV.SMA1.EHZ. 2020-09-02T13:19:01.29 0.6 undecidable manual S 224 45.3213 115 -0.13 47
IV.TERO.HHZ. 2020-09-02T13:18:59.07 0.6 undecidable manual S 196 34.8429 123 0.1 48
IV.GUMA.HHZ. 2020-09-02T13:18:59.23 0.3 undecidable manual S 296 34.8429 123 0.26 70
IV.SAP2.EHZ. 2020-09-02T13:18:58.68 0.6 undecidable manual S 306 32.3454 125 0.27 47
IV.MMO1.EHZ. 2020-09-02T13:18:58.12 0.6 undecidable manual S 265 32.1456 125 -0.25 47
IV.SNTG.HHZ. 2020-09-02T13:18:58.69 0.3 undecidable manual P 300 73.0713 105 -0.18 67
IV.MTRA.EHZ. 2020-09-02T13:18:58.10 0.6 undecidable manual S 235 32.3454 125 -0.31 46
IV.EL6.EHZ. 2020-09-02T13:18:57.81 0.1 undecidable manual P 312 67.2771 106 -0.2 89
IV.VCEL.EHN. 2020-09-02T13:18:57.55 0.3 undecidable manual P 171 59.6958 109 0.66 59
IV.RM33.EHZ. 2020-09-02T13:18:57.20 0.1 undecidable manual P 222 61.9935 108 -0.03 94
IV.CESI.HHZ. 2020-09-02T13:18:57.92 0.1 undecidable manual P 278 66.8775 107 -0.03 93
IV.TRTR.HHZ. 2020-09-02T13:18:56.94 0.6 undecidable manual S 130 20.3685 139 0.92 38
IV.MF5.EHZ. 2020-09-02T13:18:56.35 0.6 undecidable manual S 288 22.3554 137 -0.03 50
IV.FDMO.HHZ. 2020-09-02T13:18:55.62 0.1 undecidable manual P 284 52.9026 111 -0.29 90
IV.GIGS.HHN. 2020-09-02T13:18:55.81 0.3 undecidable manual P 193 53.7018 111 -0.22 68
IV.NRCA.HHZ. 2020-09-02T13:18:55.36 0.1 undecidable manual P 259 50.4162 113 -0.19 92
IV.MNTT.EHE. 2020-09-02T13:18:55.65 0.6 undecidable manual S 326 18.2706 143 -0.03 50
IV.CSP1.EHZ. 2020-09-02T13:18:54.73 0.1 negative manual P 294 45.8208 115 -0.18 93
IV.MC2.EHZ. 2020-09-02T13:18:54.50 0.1 negative manual P 268 43.2234 116 -0.06 96
IV.OFFI.HHE. 2020-09-02T13:18:54.18 0.3 undecidable manual S 291 3.0969 173 0.07 77
IV.SMA1.EHZ. 2020-09-02T13:18:54.65 0.1 undecidable manual P 224 45.3213 115 -0.19 93
IV.GUMA.HHZ. 2020-09-02T13:18:53.38 0.1 negative manual P 296 34.8429 123 -0.05 98
IV.SAP2.EHZ. 2020-09-02T13:18:53.03 0.3 undecidable manual P 306 32.3454 125 -0.07 73
IV.TERO.HHZ. 2020-09-02T13:18:53.39 0.1 undecidable manual P 196 34.8429 123 -0.04 98
IV.MMO1.EHZ. 2020-09-02T13:18:52.79 0.1 negative manual P 265 32.1456 125 -0.29 93
IV.MTRA.EHZ. 2020-09-02T13:18:52.78 0.1 undecidable manual P 235 32.3454 125 -0.32 93
IV.MNTT.EHE. 2020-09-02T13:18:51.45 0.1 undecidable manual P 326 18.2706 143 -0.08 100
IV.TRTR.HHZ. 2020-09-02T13:18:51.98 0.1 undecidable manual P 130 20.3685 139 0.25 96
IV.MF5.EHZ. 2020-09-02T13:18:51.83 0.1 negative manual P 288 22.3554 137 -0.1 99
IV.OFFI.HHE. 2020-09-02T13:18:49.89 0.1 undecidable manual P 291 3.0969 173 -0.73 86
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.MF5.EHN. ML:2.2 0.000646 0.22 AML other m 2020-09-02T13:18:56.69
IV.MF5.EHE. ML:2.1 0.0005110000000000001 1.32 AML other m 2020-09-02T13:18:56.87
IV.MTRA.EHE. ML:1.9 0.0002715 0.16 AML other m 2020-09-02T13:18:58.67
IV.MTRA.HNE. ML:1.9 0.000256 0.16 AML other m 2020-09-02T13:18:58.67
IV.MTRA.HNN. ML:1.8 0.0002315 0.26 AML other m 2020-09-02T13:18:58.95
IV.MTRA.EHN. ML:1.9 0.000256 0.7 AML other m 2020-09-02T13:18:58.47
IV.SAP2.EHE. ML:2.0 0.000357 0.18 AML other m 2020-09-02T13:18:59.27
IV.TERO.HHE. ML:2.1 0.0003615 0.28 AML other m 2020-09-02T13:18:59.28
IV.TERO.HHN. ML:1.8 0.00021 0.38 AML other m 2020-09-02T13:18:59.40
IV.SAP2.EHN. ML:2.5 0.0010129999999999998 0.48 AML other m 2020-09-02T13:19:00.32
IV.GUMA.HHE. ML:2.1 0.000376 0.28 AML other m 2020-09-02T13:19:00.99
IV.SMA1.EHN. ML:1.8 0.000158 1.42 AML other m 2020-09-02T13:19:01.05
IV.SMA1.EHE. ML:1.8 0.000168 0.32 AML other m 2020-09-02T13:19:01.80
IV.GUMA.HHN. ML:2.0 0.000301 0.64 AML other m 2020-09-02T13:19:02.85
IV.FDMO.HHN. ML:1.6 0.00007280000000000001 0.74 AML other m 2020-09-02T13:19:04.49
IV.NRCA.HHN. ML:2.0 0.00023099999999999998 0.36 AML other m 2020-09-02T13:19:04.64
IV.FDMO.HHE. ML:1.9 0.00015250000000000002 0.16 AML other m 2020-09-02T13:19:04.89
IV.NRCA.HHE. ML:2.0 0.000203 0.06 AML other m 2020-09-02T13:19:04.90
IV.RM33.EHN. ML:1.6 0.00007295 0.34 AML other m 2020-09-02T13:19:06.35
IV.RM33.EHE. ML:1.6 0.0000635 1.08 AML other m 2020-09-02T13:19:06.89
IV.SNTG.HHN. ML:1.4 0.000034 0.68 AML other m 2020-09-02T13:19:09.14
IV.CESI.HHE. ML:1.5 0.00004975 0.46 AML other m 2020-09-02T13:19:09.38
IV.CESI.HHN. ML:1.6 0.00006335000000000001 0.14 AML other m 2020-09-02T13:19:09.85
IV.SNTG.HHE. ML:1.3 0.00003145 0.8 AML other m 2020-09-02T13:19:12.50
IV.ASSB.HHN. ML:1.5 0.0000348 0.26 AML other m 2020-09-02T13:19:17.63
IV.ASSB.HHE. ML:1.5 0.00003275 0.98 AML other m 2020-09-02T13:19:18.08
IV.MURB.HHE. ML:2.2 0.00014000000000000001 0.24 AML other m 2020-09-02T13:19:23.49
IV.MURB.HHN. ML:2.0 0.00007950000000000001 0.74 AML other m 2020-09-02T13:19:23.20
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