Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.1 on date 02-08-2020 and time 01:28:39 (UTC) in region 4 km SW Montappone (FM)

A magnitude ML 1.1 earthquake occured in region: 4 km SW Montappone (FM), on

  • 02-08-2020 01:28:39 (UTC)
  • 02-08-2020 03:28:39 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.1200, 13.4330 at 20 km depth.

The earthquake was located by: Sala Sismica INGV-Roma.

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
Montappone FM 4 1682 1682
Falerone FM 4 3337 5019
Sant'Angelo in Pontano MC 4 1436 6455
Monte Vidon Corrado FM 4 731 7186
Massa Fermana FM 5 963 8149
Loro Piceno MC 5 2401 10550
Ripe San Ginesio MC 6 852 11402
Servigliano FM 7 2336 13738
Penna San Giovanni MC 7 1108 14846
Colmurano MC 8 1263 16109
Mogliano MC 8 4696 20805
Montegiorgio FM 9 6851 27656
Belmonte Piceno FM 9 646 28302
San Ginesio MC 9 3498 31800
Gualdo MC 10 815 32615
Urbisaglia MC 10 2628 35243
Monte San Martino MC 10 765 36008
Monteleone di Fermo FM 11 395 36403
Monsampietro Morico FM 12 659 37062
Petriolo MC 12 1998 39060
Francavilla d'Ete FM 12 964 40024
Santa Vittoria in Matenano FM 12 1330 41354
Magliano di Tenna FM 13 1452 42806
Smerillo FM 13 365 43171
Camporotondo di Fiastrone MC 14 563 43734
Grottazzolina FM 14 3398 47132
Rapagnano FM 14 2145 49277
Montottone FM 14 979 50256
Sarnano MC 14 3264 53520
Montelparo FM 14 778 54298
Cessapalombo MC 14 512 54810
Monte San Pietrangeli FM 14 2458 57268
Montefalcone Appennino FM 15 424 57692
Tolentino MC 16 20069 77761
Corridonia MC 16 15430 93191
Monte Rinaldo FM 16 379 93570
Torre San Patrizio FM 16 2048 95618
Monte Giberto FM 17 801 96419
Belforte del Chienti MC 17 1886 98305
Amandola FM 17 3629 101934
Caldarola MC 17 1823 103757
Ortezzano FM 17 774 104531
Pollenza MC 18 6618 111149
Monte Vidon Combatte FM 18 433 111582
Comunanza AP 18 3166 114748
Force AP 18 1354 116102
Ponzano di Fermo FM 19 1674 117776
Monte San Giusto MC 19 8191 125967
Petritoli FM 19 2335 128302

Municipalities with at least 50000 inhabitants

An earthquake occurred to
56 Km S of Ancona (100861 inhabitants)
56 Km NW of Teramo (54892 inhabitants)
62 Km E of Foligno (57155 inhabitants)
85 Km E of Perugia (166134 inhabitants)
86 Km N of L'Aquila (69753 inhabitants)
87 Km SE of Fano (60888 inhabitants)
89 Km NW of Montesilvano (53738 inhabitants)
89 Km NE of Terni (111501 inhabitants)
97 Km NW of Pescara (121014 inhabitants)
97 Km SE of Pesaro (94582 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
Reviewed
Rev100 		ML 1.1 2020-08-02
01:28:39		 43.1205 13.4327 20 2020-08-02
01:42:12		 Sala Sismica INGV-Roma 81562921
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-08-02 01:28:39 ± 0.13
Latitude 43.1205 ± 0.0054
Longitude 13.4327 ± 0.0074
Depth (km) 20 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 81562921

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 609
Semi-minor axis of confidence ellipse (meter) 333
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 182
Circular confidence region, given by single value of horizontal uncertainty (meter) 610.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 107
Number of associated phases, regardless of their use for origin computation 29
Number of defining phases 24
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.24
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.36962
Number of stations at which the event was observed 18
Number of stations from which data was used for origin computation 14
Magnitude information

ML:1.1

Field Value
Value 1.1
Uncertainty 0.3
Num. used stations 32
Type of magnitude ML
Reference to an origin 81562921
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-08-02 01:42:12
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.SRES.HHZ. 2020-08-02T01:28:57.60 3.0 negative manual P -0.29 0
IV.CIMA.HNE. 2020-08-02T01:28:55.95 0.1 undecidable manual P 28.0497 1.053 0
IV.NRCA.HHZ. 2020-08-02T01:28:53.32 0.1 undecidable manual S 219 41.0256 108 0.22 90
IV.OFFI.HHZ. 2020-08-02T01:28:52.64 3.0 undecidable manual S 135 29.0487 116 2.51 0
IV.EL6.EHZ. 2020-08-02T01:28:52.32 0.3 undecidable manual S 311 35.4423 111 0.64 61
IV.SSFR.HHZ. 2020-08-02T01:28:50.99 3.0 undecidable manual P 0.09 0
IV.FDMO.HHZ. 2020-08-02T01:28:50.38 0.1 undecidable manual S 252 29.4483 116 0.14 93
IV.MC2.EHZ. 2020-08-02T01:28:50.83 0.3 undecidable manual S 221 30.4473 115 0.36 67
IV.TERO.HHZ. 2020-08-02T01:28:49.14 3.0 undecidable manual P -0.42 0
IV.MMO1.EHZ. 2020-08-02T01:28:49.31 0.1 undecidable manual S 199 25.9518 120 -0.1 95
IV.SMA1.EHZ. 2020-08-02T01:28:48.98 3.0 negative manual P -0.07 0
IV.MF5.EHZ. 2020-08-02T01:28:47.28 0.3 undecidable manual S 172 14.874 138 0.19 72
IV.CSP1.EHZ. 2020-08-02T01:28:47.85 0.1 undecidable manual S 260 18.7701 131 0.03 97
IV.PF6.EHE. 2020-08-02T01:28:47.89 0.3 undecidable manual S 276 19.3695 129 -0.07 73
IV.OFFI.HHZ. 2020-08-02T01:28:46.33 0.3 undecidable manual P 135 29.0487 116 0.77 59
IV.EL6.EHZ. 2020-08-02T01:28:46.44 0.3 undecidable manual P 311 35.4423 111 -0.01 71
IV.NRCA.HHZ. 2020-08-02T01:28:46.98 0.1 undecidable manual P 219 41.0256 108 -0.29 89
IV.SAP2.EHZ. 2020-08-02T01:28:45.63 0.3 undecidable manual S 226 3.7962 168 -0.08 74
IV.FDMO.HHZ. 2020-08-02T01:28:45.45 0.6 positive manual P 252 29.4483 116 -0.17 47
IV.MNTP.HNZ. 2020-08-02T01:28:45.77 0.1 undecidable manual S 58 3.4965 169 0.07 100
IV.MC2.EHZ. 2020-08-02T01:28:45.68 0.1 undecidable manual P 221 30.4473 115 -0.07 95
IV.CSP1.EHZ. 2020-08-02T01:28:44.09 0.6 negative manual P 260 18.7701 131 -0.13 48
IV.PF6.EHE. 2020-08-02T01:28:44.05 0.1 undecidable manual P 276 19.3695 129 -0.25 93
IV.MMO1.EHZ. 2020-08-02T01:28:44.81 0.1 undecidable manual P 199 25.9518 120 -0.33 90
IV.MNTT.EHZ. 2020-08-02T01:28:43.85 0.1 undecidable manual P 116 14.6742 138 0.07 98
IV.GUMA.HHZ. 2020-08-02T01:28:43.24 0.1 undecidable manual P 231 10.1787 149 -0.13 97
IV.MF5.EHZ. 2020-08-02T01:28:43.76 0.1 negative manual P 172 14.874 138 -0.04 98
IV.MNTP.HNZ. 2020-08-02T01:28:42.77 0.1 undecidable manual P 58 3.4965 169 -0.23 96
IV.SAP2.EHZ. 2020-08-02T01:28:42.90 0.3 undecidable manual P 226 3.7962 168 -0.11 74
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.GUMA.HHE. ML:1.0 0.00006328162000000001 0.24 AML other m 2020-08-02T01:28:54.75
IV.GUMA.HHN. ML:0.9 0.000056709659999999994 0.32 AML other m 2020-08-02T01:28:54.43
IV.GUMA.HNE. ML:1.2 0.00010945482500000001 0.72 AML other m 2020-08-02T01:28:44.05
IV.GUMA.HNN. ML:2.2 0.001148133 1.7896 AML other m 2020-08-02T01:28:49.84
IV.MF5.EHE. ML:1.0 0.00006920478249999999 0.16 AML other m 2020-08-02T01:28:47.56
IV.MF5.EHN. ML:1.0 0.000067598805 0.16 AML other m 2020-08-02T01:28:47.66
IV.MNTT.EHE. ML:1.6 0.0002353961 0.24 AML other m 2020-08-02T01:28:48.83
IV.MNTT.EHN. ML:1.6 0.00026706575 0.22 AML other m 2020-08-02T01:28:47.84
IV.CSP1.EHE. ML:1.0 0.000056473305 0.16 AML other m 2020-08-02T01:28:48.23
IV.CSP1.EHN. ML:1.0 0.000053211864999999995 0.16 AML other m 2020-08-02T01:28:48.24
IV.FDMO.HHE. ML:1.3 0.0000727946 0.1 AML other m 2020-08-02T01:28:50.60
IV.FDMO.HHN. ML:1.2 0.00007037316 0.08 AML other m 2020-08-02T01:28:50.75
IV.OFFI.HHE. ML:1.2 0.000060914335 0.46 AML other m 2020-08-02T01:28:54.73
IV.OFFI.HHN. ML:1.2 0.00006744222499999999 0.44 AML other m 2020-08-02T01:28:53.12
IV.EL6.EHE. ML:0.8 0.000024415955 0.28 AML other m 2020-08-02T01:28:55.69
IV.EL6.EHN. ML:0.8 0.000024415882 0.14 AML other m 2020-08-02T01:28:54.95
IV.NRCA.HNE. ML:1.7 0.00015783415 0.1304 AML other m 2020-08-02T01:28:53.96
IV.NRCA.HNN. ML:1.7 0.000142079045 0.66 AML other m 2020-08-02T01:28:59.44
IV.NRCA.HHE. ML:1.7 0.00016467175 0.1 AML other m 2020-08-02T01:28:53.62
IV.NRCA.HHN. ML:1.4 0.00007466818 0.16 AML other m 2020-08-02T01:28:53.51
IV.SMA1.EHE. ML:0.8 0.00001458417 0.12 AML other m 2020-08-02T01:28:58.11
IV.SMA1.EHN. ML:0.7 0.000011942829999999999 0.16 AML other m 2020-08-02T01:28:58.21
IV.TERO.HHE. ML:0.9 0.000012851756499999999 0.06 AML other m 2020-08-02T01:28:58.32
IV.TERO.HHN. ML:0.9 0.000012745345 0.1 AML other m 2020-08-02T01:28:58.57
IV.TERO.HNE. ML:1.7 0.00010463992499999999 0.8304 AML other m 2020-08-02T01:28:56.08
IV.TERO.HNN. ML:1.9 0.00015307787 0.7 AML other m 2020-08-02T01:28:48.20
IV.SSFR.HHE. ML:0.9 0.000015861804999999998 0.26 AML other m 2020-08-02T01:29:03.05
IV.SSFR.HHN. ML:0.9 0.000015862540000000002 0.24 AML other m 2020-08-02T01:29:02.42
IV.SSFR.HNE. ML:1.7 0.00008849195999999999 0.68 AML other m 2020-08-02T01:29:15.14
IV.SSFR.HNN. ML:1.8 0.00010693547000000001 0.6704 AML other m 2020-08-02T01:28:56.15
IV.SRES.HHE. ML:0.9 0.0000039506875 0.08 AML other m 2020-08-02T01:29:14.00
IV.SRES.HHN. ML:0.9 0.0000035383489999999995 0.1 AML other m 2020-08-02T01:29:21.58
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