Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.3 on date 25-09-2016 and time 03:53:37 (Italy) in region 5 km N Accumoli (RI)

A magnitude ML 2.3 earthquake occured in region: 5 km N Accumoli (RI), on

  • 25-09-2016 01:53:37 (UTC)
  • 25-09-2016 03:53:37 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.7430, 13.2440 at 10 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
Accumoli RI 5 667 667
Arquata del Tronto AP 6 1178 1845
Amatrice RI 13 2657 4502
Montegallo AP 13 523 5025
Norcia PG 14 4957 9982
Acquasanta Terme AP 14 2916 12898
Cittareale RI 15 482 13380
Castelsantangelo sul Nera MC 19 281 13661
Montemonaco AP 19 604 14265
Cascia PG 19 3217 17482

Municipalities with at least 50000 inhabitants

An earthquake occurred to
39 Km W of Teramo (54892 inhabitants)
45 Km N of L'Aquila (69753 inhabitants)
50 Km E of Foligno (57155 inhabitants)
53 Km E of Terni (111501 inhabitants)
78 Km W of Montesilvano (53738 inhabitants)
81 Km SE of Perugia (166134 inhabitants)
85 Km W of Pescara (121014 inhabitants)
87 Km NW of Chieti (51815 inhabitants)
93 Km NE of Guidonia Montecelio (88673 inhabitants)
94 Km NE of Tivoli (56533 inhabitants)
100 Km S of Ancona (100861 inhabitants)
100 Km E of Viterbo (67173 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 2.3 2016-09-25
01:53:37		 42.7427 13.2442 10 2019-07-19
13:24:00		 Bollettino Sismico Italiano INGV 63833001
Reviewed
Rev100 		ML 2.2 2016-09-25
01:53:37		 42.7407 13.2475 9 2016-09-25
02:08:35		 Sala Sismica INGV-Roma 29501281
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2016-09-25 01:53:37 ± 0.03
Latitude 42.7427 ± 0.0018
Longitude 13.2442 ± 0.0024
Depth (km) 10 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 63833001

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 239
Semi-minor axis of confidence ellipse (meter) 85
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 67
Circular confidence region, given by single value of horizontal uncertainty (meter) 240.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 37
Number of associated phases, regardless of their use for origin computation 80
Number of defining phases 80
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.2
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 1.00904
Number of stations at which the event was observed 49
Number of stations from which data was used for origin computation 49
Magnitudes information

ML:2.2

Field Value
Value 2.2
Uncertainty 0.3
Num. used stations 21
Type of magnitude ML
Reference to an origin 29501281
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2016-09-25 02:08:35

ML:2.3

Field Value
Value 2.3
Uncertainty 0.2
Num. used stations 29
Type of magnitude ML
Reference to an origin 63833001
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2018-12-11 09:29:32
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.FSSB.HHZ. 2016-09-25T01:53:56.70 0.1 undecidable manual P 340 111.999 50 0.63 71
IV.SNTG.HHZ. 2016-09-25T01:53:56.60 0.6 undecidable manual S 337 61.9935 50 0.11 45
IV.PIEI.HHZ. 2016-09-25T01:53:55.17 0.6 undecidable manual P 327 105.0171 50 0.17 40
IV.LPEL.HHE. 2016-09-25T01:53:55.68 0.6 undecidable manual P 135 109.0131 50 0.08 41
IV.MPAG.EHZ. 2016-09-25T01:53:55.44 0.3 undecidable manual P 338 105.9162 50 0.31 59
IV.FIAM.HHZ. 2016-09-25T01:53:54.60 0.3 undecidable manual S 191 53.7018 50 0.32 65
IV.CESX.HHE. 2016-09-25T01:53:54.80 0.6 undecidable manual S 255 55.5999 50 -0.01 46
IV.INTR.HHE. 2016-09-25T01:53:53.37 0.6 undecidable manual P 146 97.5246 50 -0.47 39
IV.ARVD.HHZ. 2016-09-25T01:53:52.41 0.3 undecidable manual P 344 87.3459 50 0.15 63
IV.CERT.HHE. 2016-09-25T01:53:52.32 0.6 undecidable manual P 194 90.6426 50 -0.46 39
MN.AQU.HHE. 2016-09-25T01:53:51.60 0.6 undecidable manual S 163 45.0216 50 -0.39 43
IV.SRES.HHZ. 2016-09-25T01:53:51.73 0.3 undecidable manual P 227 82.1511 50 0.26 62
IV.GIGS.HHZ. 2016-09-25T01:53:51.30 0.6 undecidable manual S 140 41.8248 50 0.17 46
IV.SSFR.HHZ. 2016-09-25T01:53:51.99 0.3 undecidable manual P 334 85.5477 50 0 65
IV.PTQR.HHZ. 2016-09-25T01:53:50.77 1.0 undecidable manual P 171 80.9523 50 -0.52 20
IV.CSP1.EHE. 2016-09-25T01:53:50.70 0.6 undecidable manual S 355 38.8278 50 0.37 44
IV.CESI.HHE. 2016-09-25T01:53:50.70 0.6 undecidable manual S 317 40.1265 50 0.04 47
IV.T1247.HHZ. 2016-09-25T01:53:49.40 0.6 undecidable manual S 172 33.6441 50 0.45 44
IV.CING.HHZ. 2016-09-25T01:53:49.70 0.3 undecidable manual P 357 70.2741 50 0.05 66
IV.FDMO.HHN. 2016-09-25T01:53:49.20 0.3 undecidable manual S 339 35.0427 50 -0.1 70
IV.GUMA.HNN. 2016-09-25T01:53:49.90 0.6 undecidable manual S 12 36.2415 50 0.26 45
IV.ATCC.EHZ. 2016-09-25T01:53:49.58 0.1 undecidable manual P 315 69.375 50 0.08 88
IV.T0110.HHZ. 2016-09-25T01:53:49.90 0.3 undecidable manual P 142 71.6727 50 0.05 66
IV.VCEL.EHZ. 2016-09-25T01:53:48.72 0.3 undecidable manual P 128 62.1933 50 0.33 64
IV.T1215.HNE. 2016-09-25T01:53:48.20 0.3 undecidable manual S 282 31.2465 50 -0.11 71
IV.EL6.EHZ. 2016-09-25T01:53:48.97 0.1 undecidable manual P 350 66.0894 50 -0.03 90
IV.FAGN.HHZ. 2016-09-25T01:53:48.02 0.6 undecidable manual P 152 59.7957 50 0 46
IV.TERO.HHZ. 2016-09-25T01:53:48.20 0.3 undecidable manual S 114 32.2455 50 -0.36 67
IV.SNTG.HHZ. 2016-09-25T01:53:48.22 0.1 undecidable manual P 337 61.9935 50 -0.14 89
IV.FEMA.HNN. 2016-09-25T01:53:47.20 0.6 undecidable manual S 327 29.0487 50 -0.51 43
XO.AM05.HNE. 2016-09-25T01:53:47.30 0.3 undecidable manual S 19 27.5502 50 0 73
IV.RM33.EHZ. 2016-09-25T01:53:47.00 0.3 undecidable manual S 185 26.0517 111 0.1 71
IV.CESX.HHE. 2016-09-25T01:53:47.29 0.1 undecidable manual P 255 55.5999 50 -0.09 90
IV.T1216.EHE. 2016-09-25T01:53:46.10 0.6 undecidable manual S 312 24.5532 112 -0.34 45
IV.T1246.HHE. 2016-09-25T01:53:46.80 0.3 undecidable manual S 131 26.9508 50 -0.34 68
IV.T1217.HNE. 2016-09-25T01:53:46.90 0.3 undecidable manual S 262 25.752 111 0.1 71
IV.OFFI.HHE. 2016-09-25T01:53:46.04 0.1 positive manual P 59 41.8248 50 0.79 76
IV.CAMP.HHE. 2016-09-25T01:53:46.70 0.3 undecidable manual S 150 26.5512 50 -0.36 68
IV.FIAM.HHZ. 2016-09-25T01:53:46.98 0.1 undecidable manual P 191 53.7018 50 -0.1 91
IV.MNTP.HNZ. 2016-09-25T01:53:46.64 0.3 undecidable manual P 23 47.4192 50 0.52 63
IV.GIGS.HHZ. 2016-09-25T01:53:45.25 0.3 undecidable manual P 140 41.8248 50 -0.01 71
MN.AQU.HHE. 2016-09-25T01:53:45.74 0.3 undecidable manual P 163 45.0216 50 -0.01 70
IV.LNSS.HHZ. 2016-09-25T01:53:45.90 0.3 undecidable manual S 227 22.755 114 0.06 72
IV.T1247.HHZ. 2016-09-25T01:53:44.14 0.3 undecidable manual P 172 33.6441 50 0.14 70
IV.CESI.HHE. 2016-09-25T01:53:44.90 0.1 undecidable manual P 317 40.1265 50 -0.09 93
IV.MC2.EHN. 2016-09-25T01:53:44.90 0.6 undecidable manual S 347 19.2696 117 0.15 48
IV.CSP1.EHE. 2016-09-25T01:53:44.64 0.1 positive manual P 355 38.8278 50 -0.16 92
IV.MMO1.HNZ. 2016-09-25T01:53:44.50 0.6 undecidable manual S 21 18.6702 118 -0.06 49
IV.T1241.HNE. 2016-09-25T01:53:44.90 0.3 undecidable manual S 50 19.7691 117 -0.01 73
IV.GUMA.HNN. 2016-09-25T01:53:44.65 0.1 positive manual P 12 36.2415 50 0.25 91
IV.NRCA.HNZ. 2016-09-25T01:53:43.00 0.6 undecidable manual S 314 14.5743 124 -0.36 46
IV.SMA1.EHE. 2016-09-25T01:53:43.30 0.3 undecidable manual S 149 14.4744 124 -0.03 74
IV.TERO.HHZ. 2016-09-25T01:53:43.51 0.1 undecidable manual P 114 32.2455 50 -0.26 91
IV.FEMA.HNN. 2016-09-25T01:53:43.14 0.3 undecidable manual P 327 29.0487 50 -0.14 70
IV.FDMO.HHN. 2016-09-25T01:53:43.95 0.1 positive manual P 339 35.0427 50 -0.25 91
IV.T1299.HNN. 2016-09-25T01:53:43.00 0.3 undecidable manual S 165 12.3765 129 0.25 71
IV.T1215.HNE. 2016-09-25T01:53:43.48 0.1 undecidable manual P 282 31.2465 50 -0.15 93
IV.T1243.HHZ. 2016-09-25T01:53:43.80 0.3 undecidable manual S 107 17.3715 120 -0.39 68
XO.AM05.HNE. 2016-09-25T01:53:42.96 0.1 positive manual P 19 27.5502 50 -0.09 95
IV.T1204.EHZ. 2016-09-25T01:53:42.20 0.6 undecidable manual S 141 9.4794 136 0.21 48
IV.CAMP.HHE. 2016-09-25T01:53:42.72 0.1 undecidable manual P 150 26.5512 50 -0.19 93
IV.RM33.EHZ. 2016-09-25T01:53:42.85 0.3 undecidable manual P 185 26.0517 111 0.03 72
IV.T1216.EHE. 2016-09-25T01:53:42.30 0.1 undecidable manual P 312 24.5532 112 -0.25 92
IV.T1242.HHZ. 2016-09-25T01:53:42.04 0.3 undecidable manual S 100
IV.LNSS.HHZ. 2016-09-25T01:53:42.26 0.1 positive manual P 227 22.755 114 0.06 97
IV.T1246.HHE. 2016-09-25T01:53:42.80 0.1 undecidable manual P 131 26.9508 50 -0.16 94
IV.T1217.HNE. 2016-09-25T01:53:42.61 0.1 undecidable manual P 262 25.752 111 -0.15 94
IV.T1241.HNE. 2016-09-25T01:53:41.63 0.1 undecidable manual P 50 19.7691 117 -0.04 97
IV.T1202.EHN. 2016-09-25T01:53:41.00 0.3 undecidable manual S 200 4.5954 155 -0.03 75
IV.MMO1.HNZ. 2016-09-25T01:53:41.37 0.3 undecidable manual P 21 18.6702 118 -0.1 72
IV.T1243.HHZ. 2016-09-25T01:53:41.23 0.1 undecidable manual P 107 17.3715 120 -0.02 98
IV.MC2.EHN. 2016-09-25T01:53:41.58 0.1 undecidable manual P 347 19.2696 117 0 98
IV.SMA1.EHE. 2016-09-25T01:53:40.87 0.1 undecidable manual P 149 14.4744 124 0.12 97
IV.T1299.HNN. 2016-09-25T01:53:40.78 0.1 undecidable manual P 165 12.3765 129 0.36 92
IV.T1244.HNZ. 2016-09-25T01:53:40.70 0.3 undecidable manual S 70 4.6953 155 -0.33 70
IV.T1204.EHZ. 2016-09-25T01:53:40.20 0.1 undecidable manual P 141 9.4794 136 0.22 96
IV.NRCA.HNZ. 2016-09-25T01:53:40.75 0.1 undecidable manual P 314 14.5743 124 -0.02 99
IV.T1242.HNE. 2016-09-25T01:53:40.16 0.1 positive manual P 0.05 100
IV.T1244.HNZ. 2016-09-25T01:53:39.47 0.1 positive manual P 70 4.6953 155 0.04 100
IV.T1202.EHN. 2016-09-25T01:53:39.52 0.1 positive manual P 200 4.5954 155 0.1 99
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.RM33.HNN. ML:2.5 0.00183 0.84 AML other m 2016-09-25T01:53:47.65
IV.RM33.EHN. ML:2.5 0.00188 0.84 AML other m 2016-09-25T01:53:47.66
IV.RM33.HNE. ML:2.6 0.002165 0.16 AML other m 2016-09-25T01:53:48.23
IV.RM33.EHE. ML:2.6 0.002175 0.16 AML other m 2016-09-25T01:53:48.24
IV.TERO.HHN. ML:2.5 0.0014 0.56 AML other m 2016-09-25T01:53:48.45
IV.TERO.HNN. ML:2.5 0.0013295 0.56 AML other m 2016-09-25T01:53:48.45
IV.TERO.HNE. ML:2.2 0.0008300000000000001 0.16 AML other m 2016-09-25T01:53:48.67
IV.TERO.HHE. ML:2.3 0.000953 0.54 AML other m 2016-09-25T01:53:48.67
IV.T1247.HHE. ML:2.4 0.0009735000000000001 0.42 AML other m 2016-09-25T01:53:53.39
IV.T1247.HHN. ML:2.6 0.0015400000000000001 0.4 AML other m 2016-09-25T01:53:53.48
IV.FIAM.HHN. ML:2.4 0.000582 0.32 AML other m 2016-09-25T01:53:54.89
IV.FIAM.HHE. ML:2.6 0.0009865 0.22 AML other m 2016-09-25T01:53:55.31
IV.SNTG.HHE. ML:1.6 0.00006929775499999999 0.1408 AML other m 2016-09-25T01:53:57.62
IV.SNTG.HHN. ML:1.8 0.0001315 0.4 AML other m 2016-09-25T01:53:58.20
IV.CING.HHE. ML:2.3 0.00032599999999999996 0.96 AML other m 2016-09-25T01:54:01.74
IV.ATCC.EHN. ML:2.0 0.00017099999999999998 0.2 AML other m 2016-09-25T01:54:01.69
IV.CING.HHN. ML:2.2 0.000243 1.44 AML other m 2016-09-25T01:54:01.18
IV.T0110.HHN. ML:2.3 0.00029749999999999997 0.34 AML other m 2016-09-25T01:54:02.41
IV.EL6.EHE. ML:2.3 0.0003415 1.32 AML other m 2016-09-25T01:54:02.12
IV.EL6.EHN. ML:2.2 0.00031500000000000007 0.32 AML other m 2016-09-25T01:54:02.89
IV.VCEL.EHE. ML:2.2 0.0003055 1.48 AML other m 2016-09-25T01:54:03.09
IV.T0110.HHE. ML:2.3 0.0003025 1.5 AML other m 2016-09-25T01:54:03.24
IV.FAGN.HHN. ML:2.4 0.0005434999999999999 0.28 AML other m 2016-09-25T01:54:03.42
IV.ATCC.EHE. ML:2.1 0.00020649999999999998 1.66 AML other m 2016-09-25T01:54:03.95
IV.VCEL.EHN. ML:2.3 0.00040800000000000005 1 AML other m 2016-09-25T01:54:04.79
IV.SSFR.HHN. ML:2.2 0.000217 0.22 AML other m 2016-09-25T01:54:07.38
IV.FAGN.HHE. ML:2.4 0.00046550000000000004 0.44 AML other m 2016-09-25T01:54:07.64
IV.SSFR.HHE. ML:2.2 0.000183 1.22 AML other m 2016-09-25T01:54:08.19
IV.T1204.EHN. ML:2.3 0.002484867 0.2 AML other m 2016-09-25T01:53:42.91
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