Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.3 on date 21-04-2014 and time 17:51:53 (UTC) in region 7 km SW Crognaleto (TE)

A magnitude ML 2.3 earthquake occured in region: 7 km SW Crognaleto (TE), on

  • 21-04-2014 17:51:53 (UTC)
  • 21-04-2014 19:51:53 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.4990, 13.4360 at 16 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
Crognaleto TE 7 1297 1297
Campotosto AQ 9 542 1839
Pietracamela TE 10 271 2110
Fano Adriano TE 10 296 2406
Capitignano AQ 11 665 3071
Pizzoli AQ 13 4326 7397
Barete AQ 14 737 8134
Cortino TE 15 656 8790
Montereale AQ 16 2581 11371
L'Aquila AQ 17 69753 81124
Cagnano Amiterno AQ 18 1369 82493
Tossicia TE 18 1406 83899
Montorio al Vomano TE 19 8218 92117
Isola del Gran Sasso d'Italia TE 19 4773 96890
Amatrice RI 19 2657 99547

Municipalities with at least 50000 inhabitants

An earthquake occurred to
17 Km N of L'Aquila (69753 inhabitants)
28 Km SW of Teramo (54892 inhabitants)
59 Km W of Montesilvano (53738 inhabitants)
62 Km W of Chieti (51815 inhabitants)
64 Km W of Pescara (121014 inhabitants)
65 Km E of Terni (111501 inhabitants)
79 Km SE of Foligno (57155 inhabitants)
79 Km NE of Tivoli (56533 inhabitants)
81 Km NE of Guidonia Montecelio (88673 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 2014-04-21
17:51:53		 42.4993 13.4362 16 2015-09-21
09:36:10		 Bollettino Sismico Italiano INGV 9758251
Reviewed
Rev100 		ML 2.2 2014-04-21
17:51:52		 42.5157 13.4388 16 2014-10-21
12:08:56		 Sala Sismica INGV-Roma 6249671
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2014-04-21 17:51:53 ± 0.14
Latitude 42.4993 ± 0.0063
Longitude 13.4362 ± 0.0110
Depth (km) 16 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 9758251

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 949
Semi-minor axis of confidence ellipse (meter) 301
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 241
Circular confidence region, given by single value of horizontal uncertainty (meter) 950.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 64
Number of associated phases, regardless of their use for origin computation 45
Number of defining phases 35
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.49
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 2.44616
Number of stations at which the event was observed 27
Number of stations from which data was used for origin computation 18
Magnitudes information

ML:2.2

Field Value
Value 2.2
Uncertainty 0.4
Num. used stations 24
Type of magnitude ML
Reference to an origin 6249671
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2014-04-21 18:01:56

ML:2.3

Field Value
Value 2.3
Uncertainty 0.3
Num. used stations 18
Type of magnitude ML
Reference to an origin 9758251
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2014-11-18 09:34:46
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.LADO.EHZ. 2014-04-21T17:53:43.99 3.0 undecidable manual Sn -2.86 0
CR.STON.BHZ. 2014-04-21T17:53:25.99 3.0 undecidable manual Sn 4.9 0
IV.PII.HHZ. 2014-04-21T17:53:06.99 3.0 undecidable manual Sn 271.5282 2.75 0
IV.SBPO.HNZ. 2014-04-21T17:52:47.49 3.0 negative manual Pg 6.3 0
IV.MCEL.HHZ. 2014-04-21T17:52:45.06 3.0 undecidable manual Pg 7.77 0
GU.MAIM.HHZ. 2014-04-21T17:52:38.28 3.0 negative manual Pn 4.63 0
IV.PII.HHZ. 2014-04-21T17:52:36.90 3.0 positive manual Pn 271.5282 3.86 0
IV.MTSN.HHZ. 2014-04-21T17:52:36.97 3.0 undecidable manual Pn -1.64 0
IV.ARVD.HHZ. 2014-04-21T17:52:28.85 0.1 undecidable manual S 340 117.7932 93 1.83 37
IV.SSFR.HHZ. 2014-04-21T17:52:28.21 0.1 undecidable manual S 333 116.6943 93 1.5 46
IV.ATCC.EHZ. 2014-04-21T17:52:23.50 0.1 undecidable manual S 320 99.9222 93 1.26 55
IV.CESI.HHZ. 2014-04-21T17:52:14.77 0.1 undecidable manual S 323 70.8735 95 0.27 85
IV.CESX.HHZ. 2014-04-21T17:52:14.54 0.3 undecidable manual S 280 70.4739 95 0.14 65
IV.MGAB.HHZ. 2014-04-21T17:52:13.40 3.0 positive manual P 0.48 0
IV.GUMA.HHZ. 2014-04-21T17:52:13.13 0.1 undecidable manual S 353 62.9925 96 0.7 76
IV.GIUL.HHZ. 2014-04-21T17:52:13.15 3.0 positive manual P 1.22 0
IV.FDMO.HHZ. 2014-04-21T17:52:13.12 0.3 undecidable manual S 335 65.9895 95 -0.09 67
IV.CSP1.EHZ. 2014-04-21T17:52:13.76 0.3 undecidable manual S 344 68.376 95 -0.08 66
IV.SSFR.HHZ. 2014-04-21T17:52:12.26 0.1 undecidable manual P 333 116.6943 93 -0.24 78
IV.ARVD.HHZ. 2014-04-21T17:52:12.09 0.1 undecidable manual P 340 117.7932 93 -0.58 72
IV.OFFI.HHZ. 2014-04-21T17:52:11.13 0.1 undecidable manual S 23 52.4031 97 1.52 51
IV.ARRO.EHZ. 2014-04-21T17:52:10.75 0.1 undecidable manual S 279 55.5 97 0.32 87
IV.ATCC.EHZ. 2014-04-21T17:52:09.71 0.1 undecidable manual P 320 99.9222 93 -0.2 82
IV.VCEL.EHZ. 2014-04-21T17:52:05.38 0.3 undecidable manual S 109 35.0427 103 0.33 66
IV.CESX.HHZ. 2014-04-21T17:52:05.07 0.1 undecidable manual P 280 70.4739 95 -0.31 85
IV.FDMO.HHZ. 2014-04-21T17:52:04.11 0.1 undecidable manual P 335 65.9895 95 -0.59 79
IV.CSP1.EHZ. 2014-04-21T17:52:04.45 0.1 undecidable manual P 344 68.376 95 -0.62 78
IV.CESI.HHZ. 2014-04-21T17:52:04.95 0.1 undecidable manual P 323 70.8735 95 -0.5 81
IV.LNSS.HHZ. 2014-04-21T17:52:04.56 0.3 undecidable manual S 290 34.3434 103 -0.29 68
IV.GUMA.HHZ. 2014-04-21T17:52:04.06 0.1 positive manual P 353 62.9925 96 -0.19 88
IV.FAGN.HHZ. 2014-04-21T17:52:03.84 0.3 undecidable manual S 155 28.5492 107 0.47 65
IV.OFFI.HHZ. 2014-04-21T17:52:02.70 0.1 undecidable manual P 23 52.4031 97 0.08 91
IV.ARRO.EHZ. 2014-04-21T17:52:02.80 0.1 undecidable manual P 279 55.5 97 -0.29 87
IV.TERO.HHZ. 2014-04-21T17:52:00.28 0.3 undecidable manual S 45 19.3695 118 -0.81 58
MN.AQU.HHZ. 2014-04-21T17:52:00.88 0.3 undecidable manual S 189 16.2726 125 0.49 67
IV.FIAM.HHZ. 2014-04-21T17:52:00.17 0.1 undecidable manual P 226 36.6411 102 -0.05 96
IV.LNSS.HHZ. 2014-04-21T17:51:59.74 0.1 undecidable manual P 290 34.3434 103 -0.13 94
IV.VCEL.EHZ. 2014-04-21T17:51:59.89 0.1 undecidable manual P 109 35.0427 103 -0.09 95
IV.SMA1.EHZ. 2014-04-21T17:51:59.92 0.1 undecidable manual S 331 16.7721 124 -0.56 85
IV.FAGN.HHZ. 2014-04-21T17:51:59.07 0.1 undecidable manual P 155 28.5492 107 0.05 95
IV.CAMP.HHZ. 2014-04-21T17:51:58.43 0.1 undecidable manual S 331 4.5954 161 -0.03 99
IV.SMA1.EHZ. 2014-04-21T17:51:57.09 0.1 undecidable manual P 331 16.7721 124 -0.26 94
IV.TERO.HHZ. 2014-04-21T17:51:57.18 0.1 undecidable manual P 45 19.3695 118 -0.52 88
MN.AQU.HHZ. 2014-04-21T17:51:57.40 0.1 undecidable manual P 189 16.2726 125 0.1 97
IV.CAMP.HHZ. 2014-04-21T17:51:56.15 0.1 undecidable manual P 331 4.5954 161 -0.03 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
MN.AQU.HLE. ML:2.2 0.0011149999999999999 0.3 AML other m 2014-04-21T17:52:03.29
MN.AQU.HHN. ML:2.2 0.0011325 0.3 AML other m 2014-04-21T17:52:04.74
MN.AQU.HLN. ML:2.2 0.0011400000000000002 0.28 AML other m 2014-04-21T17:52:04.75
MN.AQU.HHE. ML:2.2 0.0011600000000000002 2.76 AML other m 2014-04-21T17:52:03.43
IV.ARRO.EHN. ML:2.4 0.0004925 0.16 AML other m 2014-04-21T17:52:12.64
IV.ARRO.EHE. ML:2.2 0.00033650000000000005 1.54 AML other m 2014-04-21T17:52:13.51
IV.ARVD.HHN. ML:1.7 0.0000393 0.7 AML other m 2014-04-21T17:52:31.55
IV.ARVD.HHE. ML:1.9 0.000052900000000000005 2.54 AML other m 2014-04-21T17:52:30.35
IV.ATCC.EHE. ML:2.1 0.00012825 3.06 AML other m 2014-04-21T17:52:24.15
IV.ATCC.EHN. ML:2.0 0.00011119999999999999 1.08 AML other m 2014-04-21T17:52:28.89
IV.CESI.HHE. ML:1.5 0.00004845 0.6 AML other m 2014-04-21T17:52:16.33
IV.CESI.HHN. ML:1.9 0.000121 0.26 AML other m 2014-04-21T17:52:16.65
IV.CESX.HHE. ML:1.9 0.00013700000000000002 1.16 AML other m 2014-04-21T17:52:18.94
IV.CESX.HHN. ML:2.0 0.0001505 1.34 AML other m 2014-04-21T17:52:19.85
IV.FAGN.HHN. ML:2.3 0.0010400000000000001 2.3 AML other m 2014-04-21T17:52:06.56
IV.FAGN.HHE. ML:2.5 0.0014849999999999998 0.32 AML other m 2014-04-21T17:52:08.77
IV.FDMO.HHN. ML:2.1 0.0002215 2.58 AML other m 2014-04-21T17:52:14.64
IV.FDMO.HHE. ML:2.1 0.000212 1.22 AML other m 2014-04-21T17:52:15.65
IV.FIAM.HHE. ML:2.0 0.00034750000000000004 0.42 AML other m 2014-04-21T17:52:10.94
IV.FIAM.HHN. ML:2.0 0.0003405 0.56 AML other m 2014-04-21T17:52:10.94
IV.GIUL.HHE. ML:2.0 0.00007965 0.56 AML other m 2014-04-21T17:52:32.31
IV.GIUL.HHN. ML:1.9 0.00006925 2.66 AML other m 2014-04-21T17:52:34.80
IV.GUMA.HNE. ML:3.1 0.0025150000000000003 2.32 AML other m 2014-04-21T17:52:13.37
IV.GUMA.HNN. ML:3.1 0.002185 0.22 AML other m 2014-04-21T17:52:13.38
IV.GUMA.HHN. ML:2.8 0.001305 2.24 AML other m 2014-04-21T17:52:14.48
IV.GUMA.HHE. ML:3.3 0.00366 0.22 AML other m 2014-04-21T17:52:13.38
IV.LNSS.HHE. ML:2.8 0.002245 2.48 AML other m 2014-04-21T17:52:05.43
IV.LNSS.HHN. ML:2.9 0.00293 0.16 AML other m 2014-04-21T17:52:05.30
IV.MGAB.HHE. ML:2.1 0.00010680000000000001 0.56 AML other m 2014-04-21T17:52:32.21
IV.MGAB.HHN. ML:2.2 0.0001145 2.5 AML other m 2014-04-21T17:52:32.46
IV.OFFI.HHE. ML:2.6 0.0009239999999999999 0.56 AML other m 2014-04-21T17:52:13.02
IV.OFFI.HHN. ML:2.5 0.0007920000000000001 2.42 AML other m 2014-04-21T17:52:16.70
IV.SMA1.EHE. ML:2.6 0.00294 0.14 AML other m 2014-04-21T17:52:01.78
IV.SMA1.EHN. ML:2.4 0.0018700000000000001 1.56 AML other m 2014-04-21T17:52:01.47
IV.SSFR.HHE. ML:2.4 0.00021349999999999999 2.22 AML other m 2014-04-21T17:52:33.58
IV.SSFR.HHN. ML:2.4 0.00017999999999999998 0.24 AML other m 2014-04-21T17:52:29.86
IV.TERO.HNN. ML:3.0 0.006015 0.26 AML other m 2014-04-21T17:52:01.55
IV.TERO.HHN. ML:2.6 0.0026950000000000003 0.26 AML other m 2014-04-21T17:52:01.55
IV.TERO.HNE. ML:3.2 0.009435 2.3 AML other m 2014-04-21T17:52:00.39
IV.TERO.HHE. ML:2.8 0.004195 2.3 AML other m 2014-04-21T17:52:00.39
IV.VCEL.EHN. ML:2.2 0.000609 0.44 AML other m 2014-04-21T17:52:07.54
IV.VCEL.EHE. ML:2.2 0.00061 1.26 AML other m 2014-04-21T17:52:09.68
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
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Type Description Link
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