Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.2 on date 24-08-2016 and time 16:37:36 (Italy) in region 5 km NW Accumoli (RI)

A magnitude ML 2.2 earthquake occured in region: 5 km NW Accumoli (RI), on

  • 24-08-2016 14:37:36 (UTC)
  • 24-08-2016 16:37:36 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.7390, 13.2290 at 4 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
Accumoli RI 5 667 667
Arquata del Tronto AP 7 1178 1845
Norcia PG 13 4957 6802
Amatrice RI 13 2657 9459
Montegallo AP 14 523 9982
Cittareale RI 15 482 10464
Acquasanta Terme AP 15 2916 13380
Cascia PG 18 3217 16597
Castelsantangelo sul Nera MC 18 281 16878
Montemonaco AP 20 604 17482

Municipalities with at least 50000 inhabitants

An earthquake occurred to
40 Km W of Teramo (54892 inhabitants)
45 Km NW of L'Aquila (69753 inhabitants)
49 Km SE of Foligno (57155 inhabitants)
52 Km E of Terni (111501 inhabitants)
79 Km W of Montesilvano (53738 inhabitants)
80 Km SE of Perugia (166134 inhabitants)
86 Km W of Pescara (121014 inhabitants)
88 Km W of Chieti (51815 inhabitants)
92 Km NE of Guidonia Montecelio (88673 inhabitants)
93 Km NE of Tivoli (56533 inhabitants)
99 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 2.2 2016-08-24
14:37:36		 42.7393 13.2287 4 2019-02-12
13:57:13		 Bollettino Sismico Italiano INGV 29556541
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2016-08-24 14:37:36 ± 0.06
Latitude 42.7393 ± 0.0027
Longitude 13.2287 ± 0.0037
Depth (km) 4 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 29556541

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 320
Semi-minor axis of confidence ellipse (meter) 57
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 60
Circular confidence region, given by single value of horizontal uncertainty (meter) 320.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 45
Number of associated phases, regardless of their use for origin computation 42
Number of defining phases 42
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.26
Epicentral distance of station closest to the epicenter (degree) 0.07734
Epicentral distance of station farthest from the epicenter (degree) 0.65021
Number of stations at which the event was observed 26
Number of stations from which data was used for origin computation 26
Magnitude information

ML:2.2

Field Value
Value 2.2
Uncertainty 0.1
Num. used stations 13
Type of magnitude ML
Reference to an origin 29556541
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2016-12-13 11:24:08
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.FIAM.HHZ. 2016-08-24T14:37:54.68 0.3 undecidable manual S 190 53.1024 50 0.4 66
IV.CESI.HHZ. 2016-08-24T14:37:50.45 0.3 undecidable manual S 318 39.5271 96 0.51 66
IV.GIGS.HHZ. 2016-08-24T14:37:50.91 0.6 undecidable manual S 138 42.4242 96 -0.02 48
IV.T0110.HHZ. 2016-08-24T14:37:49.33 1.0 undecidable manual P 141 72.1722 50 -0.23 22
IV.CSP1.EHZ. 2016-08-24T14:37:49.31 0.6 undecidable manual S 357 39.1275 96 -0.5 44
IV.EL6.EHZ. 2016-08-24T14:37:48.64 1.0 undecidable manual P 351 66.2781 50 0 23
IV.FDMO.HHZ. 2016-08-24T14:37:48.82 0.6 undecidable manual S 341 34.9428 97 0.47 45
IV.VCEL.EHZ. 2016-08-24T14:37:48.12 1.0 undecidable manual P 127 62.9925 50 -0.01 23
IV.GUMA.HHZ. 2016-08-24T14:37:48.79 0.3 undecidable manual S 14 36.9297 97 -0.24 70
IV.SNTG.HHZ. 2016-08-24T14:37:48.08 1.0 undecidable manual P 338 61.7937 50 0.12 23
IV.ASSB.HHZ. 2016-08-24T14:37:47.29 1.0 undecidable manual P 306 57.2982 50 0.03 24
IV.CESX.HHZ. 2016-08-24T14:37:47.13 1.0 undecidable manual P 255 54.3012 50 0.32 22
IV.TERO.HHZ. 2016-08-24T14:37:47.63 0.3 undecidable manual S 113 33.2445 97 -0.14 72
IV.FIAM.HHZ. 2016-08-24T14:37:46.63 0.6 undecidable manual P 190 53.1024 50 0.01 48
IV.CAMP.HHZ. 2016-08-24T14:37:45.67 0.3 undecidable manual S 147 26.9508 99 0.06 74
IV.RM33.EHZ. 2016-08-24T14:37:45.36 0.6 undecidable manual S 183 25.5522 99 0.21 48
IV.CSP1.EHZ. 2016-08-24T14:37:44.47 0.6 undecidable manual P 357 39.1275 96 0.44 45
IV.ARRO.EHZ. 2016-08-24T14:37:44.32 1.0 undecidable manual P 245 41.7249 96 -0.23 23
IV.CESI.HHZ. 2016-08-24T14:37:44.58 0.6 undecidable manual P 318 39.5271 96 0.47 44
IV.OFFI.HHZ. 2016-08-24T14:37:44.83 0.1 undecidable manual P 60 43.0236 96 0.02 97
IV.T1241.HHN. 2016-08-24T14:37:44.44 0.3 undecidable manual S 52 20.9679 102 0.87 59
IV.GIGS.HHZ. 2016-08-24T14:37:44.83 0.6 undecidable manual P 138 42.4242 96 0.15 47
IV.MC2.EHZ. 2016-08-24T14:37:43.39 0.6 undecidable manual S 350 19.3695 102 0.37 47
IV.LNSS.HHZ. 2016-08-24T14:37:43.97 0.3 undecidable manual S 225 21.5673 101 0.19 73
IV.FDMO.HHZ. 2016-08-24T14:37:43.26 1.0 undecidable manual P 341 34.9428 97 0.07 24
IV.T1243.HHZ. 2016-08-24T14:37:43.15 0.6 undecidable manual S 105 18.5703 103 0.41 47
IV.GUMA.HHZ. 2016-08-24T14:37:43.06 0.1 undecidable manual P 14 36.9297 97 -0.53 88
IV.T1211.HNN. 2016-08-24T14:37:42.91 0.6 undecidable manual P 233 38.1285 96 -0.92 37
IV.TERO.HHZ. 2016-08-24T14:37:42.46 0.1 undecidable manual P 113 33.2445 97 -0.39 91
IV.FEMA.HNE. 2016-08-24T14:37:41.62 0.1 undecidable manual P 330 28.6491 98 -0.33 93
IV.RM33.EHZ. 2016-08-24T14:37:41.17 0.1 undecidable manual P 183 25.5522 99 -0.17 97
IV.T1212.HNE. 2016-08-24T14:37:41.35 0.6 undecidable manual S 275 15.0738 106 -0.22 49
IV.CAMP.HHZ. 2016-08-24T14:37:41.48 0.1 undecidable manual P 147 26.9508 99 -0.13 97
IV.NRCA.HNZ. 2016-08-24T14:37:40.92 0.6 undecidable manual S 318 13.9749 107 -0.3 48
IV.T1243.HHZ. 2016-08-24T14:37:40.12 0.1 undecidable manual P 105 18.5703 103 0.17 98
IV.T1241.HHN. 2016-08-24T14:37:40.38 0.1 positive manual P 52 20.9679 102 -0.05 100
IV.LNSS.HHZ. 2016-08-24T14:37:40.31 0.1 positive manual P 225 21.5673 101 -0.24 96
IV.T1213.HNE. 2016-08-24T14:37:39.91 0.3 undecidable manual S 259 8.5803 117 0.45 70
IV.MC2.EHZ. 2016-08-24T14:37:39.98 0.3 undecidable manual P 350 19.3695 102 -0.14 74
IV.T1212.HNE. 2016-08-24T14:37:39.13 0.1 positive manual P 275 15.0738 106 -0.15 99
IV.NRCA.HNZ. 2016-08-24T14:37:38.91 0.1 undecidable manual P 318 13.9749 107 -0.17 99
IV.T1213.HNE. 2016-08-24T14:37:38.30 0.1 undecidable manual P 259 8.5803 117 0.24 98
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.ARRO.EHE. ML:2.2 0.0005669999999999999 0.18 AML other m 2016-08-24T14:37:52.25
IV.ARRO.EHN. ML:2.1 0.00041000000000000005 0.4 AML other m 2016-08-24T14:37:52.32
IV.ASSB.HHN. ML:2.2 0.0003815 0.18 AML other m 2016-08-24T14:37:55.96
IV.ASSB.HHE. ML:2.3 0.0004215 0.18 AML other m 2016-08-24T14:37:58.40
IV.CAMP.HHN. ML:2.0 0.0006965 0.2 AML other m 2016-08-24T14:37:46.53
IV.CAMP.HHE. ML:2.0 0.0005825 0.14 AML other m 2016-08-24T14:37:46.58
IV.CERT.HHN. ML:2.0 0.0001154 1 AML other m 2016-08-24T14:38:12.20
IV.CERT.HHE. ML:2.1 0.000157 1.04 AML other m 2016-08-24T14:38:13.00
IV.CESX.HHN. ML:2.2 0.0003465 0.52 AML other m 2016-08-24T14:37:56.98
IV.CESX.HHE. ML:2.2 0.00033299999999999996 0.72 AML other m 2016-08-24T14:37:56.68
IV.FIAM.HHN. ML:2.1 0.00029549999999999997 1.4 AML other m 2016-08-24T14:37:55.38
IV.FIAM.HHE. ML:2.3 0.000502 0.2 AML other m 2016-08-24T14:37:54.78
IV.MGAB.HHE. ML:2.3 0.000221 0.46 AML other m 2016-08-24T14:38:10.21
IV.MGAB.HHN. ML:2.3 0.00023199999999999997 1.14 AML other m 2016-08-24T14:38:11.19
IV.OFFI.HHN. ML:2.4 0.0009350000000000001 0.58 AML other m 2016-08-24T14:37:53.18
IV.OFFI.HHE. ML:2.6 0.00133 0.42 AML other m 2016-08-24T14:37:54.66
IV.RM33.HNN. ML:2.4 0.0014849999999999998 0.92 AML other m 2016-08-24T14:37:47.03
IV.RM33.EHN. ML:2.4 0.00145 0.92 AML other m 2016-08-24T14:37:47.04
IV.RM33.HNE. ML:2.3 0.0013250000000000002 0.38 AML other m 2016-08-24T14:37:48.05
IV.RM33.EHE. ML:2.3 0.0012850000000000001 0.38 AML other m 2016-08-24T14:37:48.06
IV.SNTG.HHE. ML:2.0 0.000189 0.66 AML other m 2016-08-24T14:37:57.90
IV.SNTG.HHN. ML:2.0 0.00022499999999999997 0.12 AML other m 2016-08-24T14:37:57.59
IV.T0110.HHE. ML:2.3 0.00032450000000000003 0.52 AML other m 2016-08-24T14:38:02.76
IV.T0110.HHN. ML:2.2 0.00028349999999999995 1.3 AML other m 2016-08-24T14:38:06.18
IV.TERO.HNE. ML:2.2 0.000769 1.12 AML other m 2016-08-24T14:37:49.44
IV.TERO.HHE. ML:2.2 0.0008280000000000001 1.12 AML other m 2016-08-24T14:37:49.44
IV.TERO.HHN. ML:2.4 0.0010034999999999998 0.54 AML other m 2016-08-24T14:37:50.03
IV.TERO.HNN. ML:2.3 0.0009445 0.54 AML other m 2016-08-24T14:37:50.03
IV.VCEL.EHE. ML:2.2 0.0002985 0.66 AML other m 2016-08-24T14:38:03.02
IV.VCEL.EHN. ML:2.2 0.000321 1.2 AML other m 2016-08-24T14:37:58.50
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