Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.5 on date 28-08-2020 and time 01:56:22 (Italy) in region 1 km SW Sarnano (MC)

A magnitude ML 1.5 earthquake occured in region: 1 km SW Sarnano (MC), on

  • 27-08-2020 23:56:22 (UTC)
  • 28-08-2020 01:56:22 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.0260, 13.2930 at 24 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
Sarnano MC 1 3264 3264
Gualdo MC 6 815 4079
Bolognola MC 6 142 4221
Amandola FM 7 3629 7850
San Ginesio MC 9 3498 11348
Acquacanina MC 10 121 11469
Cessapalombo MC 10 512 11981
Montefortino FM 10 1178 13159
Fiastra MC 11 559 13718
Penna San Giovanni MC 11 1108 14826
Sant'Angelo in Pontano MC 12 1436 16262
Camporotondo di Fiastrone MC 12 563 16825
Monte San Martino MC 12 765 17590
Comunanza AP 12 3166 20756
Smerillo FM 13 365 21121
Caldarola MC 14 1823 22944
Montefalcone Appennino FM 14 424 23368
Montemonaco AP 14 604 23972
Ripe San Ginesio MC 15 852 24824
Ussita MC 15 444 25268
Belforte del Chienti MC 16 1886 27154
Colmurano MC 16 1263 28417
Fiordimonte MC 17 202 28619
Santa Vittoria in Matenano FM 17 1330 29949
Pievebovigliana MC 17 866 30815
Servigliano FM 17 2336 33151
Falerone FM 17 3337 36488
Force AP 18 1354 37842
Castelsantangelo sul Nera MC 18 281 38123
Loro Piceno MC 19 2401 40524
Serrapetrona MC 19 966 41490
Montappone FM 19 1682 43172
Monte Vidon Corrado FM 19 731 43903
Monteleone di Fermo FM 19 395 44298
Palmiano AP 20 196 44494
Visso MC 20 1107 45601
Montelparo FM 20 778 46379
Pieve Torina MC 20 1458 47837

Municipalities with at least 50000 inhabitants

An earthquake occurred to
49 Km E of Foligno (57155 inhabitants)
53 Km NW of Teramo (54892 inhabitants)
68 Km S of Ancona (100861 inhabitants)
74 Km NE of Terni (111501 inhabitants)
74 Km E of Perugia (166134 inhabitants)
75 Km N of L'Aquila (69753 inhabitants)
90 Km NW of Montesilvano (53738 inhabitants)
94 Km S of Fano (60888 inhabitants)
98 Km NW of Pescara (121014 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 2020-08-27
23:56:22		 43.0262 13.2932 24 2020-11-19
12:37:00		 Bollettino Sismico Italiano INGV 82757381
Reviewed
Rev100 		ML 1.5 2020-08-27
23:56:22		 43.019 13.3013 23 2020-08-28
00:06:05		 Sala Sismica INGV-Roma 82394061
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-08-27 23:56:22 ± 0.09
Latitude 43.0262 ± 0.0036
Longitude 13.2932 ± 0.0037
Depth (km) 24 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 82757381

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 390
Semi-minor axis of confidence ellipse (meter) 31
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 212
Circular confidence region, given by single value of horizontal uncertainty (meter) 390.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 51
Number of associated phases, regardless of their use for origin computation 44
Number of defining phases 44
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.23
Epicentral distance of station closest to the epicenter (degree) 0.04766
Epicentral distance of station farthest from the epicenter (degree) 0.75093
Number of stations at which the event was observed 25
Number of stations from which data was used for origin computation 25
Magnitudes information

ML:1.5

Field Value
Value 1.5
Uncertainty 0.3
Num. used stations 35
Type of magnitude ML
Reference to an origin 82394061
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-08-28 00:06:05

ML:1.5

Field Value
Value 1.5
Uncertainty 0.4
Num. used stations 36
Type of magnitude ML
Reference to an origin 82757381
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-09-10 06:26:27
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.ASSB.HHZ. 2020-08-27T23:56:39.50 0.3 undecidable manual S 272 51.5151 108 0.5 64
IV.GAVE.EHZ. 2020-08-27T23:56:39.10 0.3 undecidable manual S 221 49.2174 109 0.67 59
IV.SMA1.EHZ. 2020-08-27T23:56:37.10 0.3 undecidable manual S 176 44.0226 112 -0.03 71
IV.CING.HNZ. 2020-08-27T23:56:36.18 0.3 undecidable manual S 349 39.5271 114 0.14 70
IV.PIEI.HHZ. 2020-08-27T23:56:36.80 0.3 undecidable manual P 313 83.3499 101 0.12 65
IV.SNTG.HHZ. 2020-08-27T23:56:35.90 0.3 undecidable manual S 312 38.2284 115 0.19 70
IV.MURB.HHZ. 2020-08-27T23:56:34.58 0.3 undecidable manual P 293 67.4769 103 0.28 65
IV.MNTT.EHZ. 2020-08-27T23:56:33.60 0.3 undecidable manual S 81 24.8529 128 0.93 55
IV.MOMA.HHZ. 2020-08-27T23:56:33.81 0.3 undecidable manual P 247 63.6918 104 0.09 68
IV.MML1.HNZ. 2020-08-27T23:56:33.50 0.3 undecidable manual S 291 27.75 125 0.2 71
IT.MTCL.HGZ. 2020-08-27T23:56:32.70 0.3 undecidable manual S 262 24.0537 129 0.19 71
IV.ARVD.HHZ. 2020-08-27T23:56:32.85 0.6 undecidable manual P 332 59.5959 105 -0.25 44
IV.FEMA.HNZ. 2020-08-27T23:56:32.20 0.3 undecidable manual S 250 20.9679 134 0.31 70
IV.RM33.EHZ. 2020-08-27T23:56:32.55 0.3 undecidable manual P 186 57.6978 106 -0.29 66
IV.NRCA.HHZ. 2020-08-27T23:56:32.80 0.3 undecidable manual S 214 25.8519 127 -0.08 73
IV.TERO.HHZ. 2020-08-27T23:56:31.68 0.3 undecidable manual P 150 51.4152 108 -0.22 68
IV.GAVE.EHZ. 2020-08-27T23:56:31.69 0.3 undecidable manual P 221 49.2174 109 0.1 69
IV.MC2.EHZ. 2020-08-27T23:56:31.10 0.1 undecidable manual S 214 15.2736 144 0.22 96
IV.ASSB.HHZ. 2020-08-27T23:56:31.76 0.3 undecidable manual P 272 51.5151 108 -0.16 68
IV.MNTP.HNZ. 2020-08-27T23:56:31.90 0.3 undecidable manual S 49 18.87 137 0.41 68
IV.PF6.EHZ. 2020-08-27T23:56:30.30 0.3 undecidable manual S 327 14.7741 145 -0.5 67
IV.MMO1.HNZ. 2020-08-27T23:56:30.40 0.3 undecidable manual S 169 14.3745 146 -0.34 71
IV.CING.HNZ. 2020-08-27T23:56:30.01 0.3 undecidable manual P 349 39.5271 114 -0.19 69
IV.SMA1.EHZ. 2020-08-27T23:56:30.55 0.1 undecidable manual P 176 44.0226 112 -0.29 90
IV.FDMO.HHZ. 2020-08-27T23:56:30.90 0.3 undecidable manual S 274 16.7721 141 -0.22 71
IV.SAP2.EHZ. 2020-08-27T23:56:30.30 0.3 undecidable manual S 48 11.5773 151 -0.06 75
IV.MF5.EHZ. 2020-08-27T23:56:30.80 0.1 undecidable manual S 107 14.1747 146 0.08 98
IV.CSP1.EHZ. 2020-08-27T23:56:29.90 0.3 undecidable manual S 316 10.1787 154 -0.29 71
IV.GUMA.HHZ. 2020-08-27T23:56:29.70 0.3 undecidable manual S 40 5.2947 166 -0.04 76
IV.SNTG.HHZ. 2020-08-27T23:56:29.91 0.3 undecidable manual P 312 38.2284 115 -0.1 70
IV.NRCA.HHZ. 2020-08-27T23:56:28.25 0.3 undecidable manual P 214 25.8519 127 -0.13 72
IV.MML1.HNZ. 2020-08-27T23:56:28.58 0.3 undecidable manual P 291 27.75 125 -0.04 73
IT.MTCL.HGZ. 2020-08-27T23:56:28.14 0.3 undecidable manual P 262 24.0537 129 -0.03 74
IV.MNTT.EHZ. 2020-08-27T23:56:28.46 0.1 undecidable manual P 81 24.8529 128 0.2 94
IV.FEMA.HNZ. 2020-08-27T23:56:28.01 0.3 undecidable manual P 250 20.9679 134 0.2 71
IV.MNTP.HNZ. 2020-08-27T23:56:27.54 0.3 undecidable manual P 49 18.87 137 -0.04 74
IV.MF5.EHZ. 2020-08-27T23:56:27.16 0.1 undecidable manual P 107 14.1747 146 0.03 99
IV.MC2.EHZ. 2020-08-27T23:56:27.27 0.1 undecidable manual P 214 15.2736 144 0.05 99
IV.FDMO.HHZ. 2020-08-27T23:56:27.20 0.1 undecidable manual P 274 16.7721 141 -0.16 97
IV.SAP2.EHZ. 2020-08-27T23:56:26.86 0.1 undecidable manual P 48 11.5773 151 -0.06 100
IV.GUMA.HHZ. 2020-08-27T23:56:26.47 0.1 undecidable manual P 40 5.2947 166 -0.1 100
IV.PF6.EHZ. 2020-08-27T23:56:26.86 0.1 undecidable manual P 327 14.7741 145 -0.32 94
IV.MMO1.HNZ. 2020-08-27T23:56:26.84 0.3 undecidable manual P 169 14.3745 146 -0.3 71
IV.CSP1.EHZ. 2020-08-27T23:56:26.64 0.1 undecidable manual P 316 10.1787 154 -0.18 97
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.GUMA.HHN. ML:2.0 0.0007336072499999999 1.8208 AML other m 2020-08-27T23:56:29.92
IV.GUMA.HNE. ML:1.9 0.00054063205 0.1536 AML other m 2020-08-27T23:56:29.92
IV.GUMA.HHE. ML:1.9 0.00052808685 0.1536 AML other m 2020-08-27T23:56:29.86
IV.CSP1.EHN. ML:1.2 0.000103797115 0.1664 AML other m 2020-08-27T23:56:30.09
IV.CSP1.EHE. ML:1.4 0.00014931965 0.0768 AML other m 2020-08-27T23:56:30.20
IV.MF5.EHN. ML:1.9 0.0004913267 0.128 AML other m 2020-08-27T23:56:31.07
IV.SAP2.EHN. ML:2.2 0.001027 1.84 AML other m 2020-08-27T23:56:31.02
IV.MF5.EHE. ML:1.6 0.00024286160000000002 0.1152 AML other m 2020-08-27T23:56:30.99
IV.FDMO.HHE. ML:1.5 0.00017317289999999998 0.1792 AML other m 2020-08-27T23:56:31.16
IV.SAP2.EHE. ML:1.6 0.00021972835000000002 0.1408 AML other m 2020-08-27T23:56:31.45
IV.FDMO.HHN. ML:1.3 0.00009808175 0.1024 AML other m 2020-08-27T23:56:32.03
IV.NRCA.HHE. ML:2.2 0.00062580195 0.128 AML other m 2020-08-27T23:56:33.43
IV.NRCA.HNE. ML:2.1 0.0005642771 0.1152 AML other m 2020-08-27T23:56:33.43
IV.NRCA.HHN. ML:1.8 0.0002634064 0.1024 AML other m 2020-08-27T23:56:33.50
IV.NRCA.HNN. ML:1.8 0.0002667444 0.1024 AML other m 2020-08-27T23:56:33.51
IV.MNTT.EHN. ML:1.7 0.0002328787 0.2816 AML other m 2020-08-27T23:56:34.23
IV.SNTG.HHN. ML:1.1 0.00003743767 0.1664 AML other m 2020-08-27T23:56:36.41
IV.SNTG.HHE. ML:1.1 0.0000359308 0.1024 AML other m 2020-08-27T23:56:36.59
IV.SMA1.EHE. ML:1.1 0.00003582574 0.2432 AML other m 2020-08-27T23:56:37.56
IV.SMA1.EHN. ML:1.2 0.00004020002 0.2816 AML other m 2020-08-27T23:56:37.59
IV.MNTT.EHE. ML:1.5 0.00014362904999999998 0.512 AML other m 2020-08-27T23:56:39.67
IV.GAVE.EHE. ML:1.6 0.00008412121999999999 0.2432 AML other m 2020-08-27T23:56:39.88
IV.GAVE.EHN. ML:1.6 0.000105470015 0.2816 AML other m 2020-08-27T23:56:40.20
IV.ASSB.HHE. ML:1.4 0.000052000000000000004 0.28 AML other m 2020-08-27T23:56:40.63
IV.GAVE.HNE. ML:1.8 0.00013642858 1.6032 AML other m 2020-08-27T23:56:41.87
IV.ASSB.HHN. ML:1.2 0.0000378 1.32 AML other m 2020-08-27T23:56:41.93
IV.RM33.EHN. ML:1.2 0.000036724590000000003 0.2176 AML other m 2020-08-27T23:56:41.75
IV.ARVD.HHE. ML:0.7 0.000010215159 0.2048 AML other m 2020-08-27T23:56:42.87
IV.RM33.EHE. ML:1.1 0.000024852659999999997 0.192 AML other m 2020-08-27T23:56:43.00
IV.MOMA.HHN. ML:1.2 0.000023908409999999997 0.2432 AML other m 2020-08-27T23:56:44.21
IV.ARVD.HHN. ML:0.4 0.0000065850695 0.192 AML other m 2020-08-27T23:56:44.83
IV.MOMA.HHE. ML:1.2 0.000027904695 0.1792 AML other m 2020-08-27T23:56:44.85
IV.MURB.HHN. ML:1.4 0.00004508668 0.1792 AML other m 2020-08-27T23:56:45.20
IV.MURB.HHE. ML:1.7 0.00008710887 0.2176 AML other m 2020-08-27T23:56:45.36
IV.PIEI.HHN. ML:0.9 0.00001116 1.08 AML other m 2020-08-27T23:56:48.39
IV.PIEI.HHE. ML:0.9 0.000011989999999999999 0.72 AML other m 2020-08-27T23:56:50.27
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