Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.1 on date 19-08-2021 and time 01:10:36 (UTC) in region 1 km E Pratola Peligna (AQ)

A magnitude ML 2.1 earthquake occured in region: 1 km E Pratola Peligna (AQ), on

  • 19-08-2021 01:10:36 (UTC)
  • 19-08-2021 03:10:36 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.1000, 13.8820 at 11 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
Pratola Peligna AQ 1 7577 7577
Roccacasale AQ 3 693 8270
Corfinio AQ 4 1051 9321
Raiano AQ 6 2815 12136
Prezza AQ 6 945 13081
Vittorito AQ 6 873 13954
Sulmona AQ 7 24557 38511
Bugnara AQ 9 1125 39636
Popoli PE 9 5172 44808
Goriano Sicoli AQ 9 569 45377
Introdacqua AQ 10 2126 47503
Pacentro AQ 11 1174 48677
Salle PE 11 308 48985
Cocullo AQ 11 230 49215
Castel di Ieri AQ 12 303 49518
Caramanico Terme PE 12 1929 51447
Sant'Eufemia a Maiella PE 13 278 51725
Castelvecchio Subequo AQ 13 982 52707
San Benedetto in Perillis AQ 13 113 52820
Bussi sul Tirino PE 13 2518 55338
Anversa degli Abruzzi AQ 13 341 55679
Molina Aterno AQ 13 386 56065
Tocco da Casauria PE 14 2688 58753
Bolognano PE 15 1108 59861
Cansano AQ 15 274 60135
Gagliano Aterno AQ 15 254 60389
Castiglione a Casauria PE 15 831 61220
Pettorano sul Gizio AQ 16 1376 62596
Collepietro AQ 16 237 62833
Acciano AQ 16 327 63160
Campo di Giove AQ 17 803 63963
Torre de' Passeri PE 17 3147 67110
Ortona dei Marsi AQ 17 542 67652
Pescosansonesco PE 17 517 68169
San Valentino in Abruzzo Citeriore PE 17 1922 70091
Roccamorice PE 17 939 71030
Abbateggio PE 18 400 71430
Secinaro AQ 18 359 71789
Villalago AQ 19 568 72357
Navelli AQ 20 554 72911
Corvara PE 20 256 73167
Pietranico PE 20 484 73651
Pescina AQ 20 4133 77784
Rocca Pia AQ 20 178 77962
Lettomanoppello PE 20 2975 80937

Municipalities with at least 50000 inhabitants

An earthquake occurred to
37 Km SW of Chieti (51815 inhabitants)
49 Km SE of L'Aquila (69753 inhabitants)
49 Km SW of Pescara (121014 inhabitants)
51 Km SW of Montesilvano (53738 inhabitants)
64 Km S of Teramo (54892 inhabitants)
91 Km E of Tivoli (56533 inhabitants)
96 Km E 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 2.1 2021-08-19
01:10:36		 42.0997 13.8818 11 2021-12-29
11:12:32		 Bollettino Sismico Italiano INGV 95779341
Reviewed
Rev100 		ML 2.1 2021-08-19
01:10:35		 42.0937 13.8852 12 2021-08-19
01:22:51		 Sala Sismica INGV-Roma 94352751
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-08-19 01:10:36 ± 0.05
Latitude 42.0997 ± 0.0027
Longitude 13.8818 ± 0.0048
Depth (km) 11 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 95779341

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 404
Semi-minor axis of confidence ellipse (meter) 286
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 78
Circular confidence region, given by single value of horizontal uncertainty (meter) 400.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 109
Number of associated phases, regardless of their use for origin computation 57
Number of defining phases 49
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) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 1.37057
Number of stations at which the event was observed 42
Number of stations from which data was used for origin computation 34
Magnitudes information

ML:2.1

Field Value
Value 2.1
Uncertainty 0.3
Num. used stations 59
Type of magnitude ML
Reference to an origin 95779341
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2021-09-23 09:56:47

ML:2.1

Field Value
Value 2.1
Uncertainty 0.3
Num. used stations 59
Type of magnitude ML
Reference to an origin 94352751
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-08-19 01:22:51
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.SPS2.HHZ. 2021-08-19T01:12:12.00 3.0 undecidable manual Sn 3.9 0
IV.USI.HHZ. 2021-08-19T01:11:36.51 3.0 undecidable manual Pg 8.15 0
MN.TRI.HHZ. 2021-08-19T01:11:28.02 3.0 undecidable manual Pn -2.72 0
OT.OT12.EHZ. 2021-08-19T01:11:27.98 3.0 undecidable manual Sg 3.51 0
IV.CMIS.HHZ. 2021-08-19T01:11:18.95 3.0 undecidable manual S 0.8 0
IV.ATCC.EHZ. 2021-08-19T01:11:05.09 3.0 positive manual P 4.44 0
IV.SGRT.HHZ. 2021-08-19T01:11:03.58 3.0 undecidable manual P 2.58 0
IV.APRC.HHZ. 2021-08-19T01:11:01.19 3.0 negative manual P 2.18 0
IV.CING.HHZ. 2021-08-19T01:11:01.61 0.3 undecidable manual P 339 152.1366 90 0.7 47
IV.GIUL.HHZ. 2021-08-19T01:11:00.52 0.3 undecidable manual S 221 79.365 90 0.85 52
IV.CSP1.EHZ. 2021-08-19T01:10:56.15 0.3 undecidable manual P 334 123.1878 90 -0.29 57
IV.TERO.HHZ. 2021-08-19T01:10:55.40 0.6 undecidable manual S 339 62.2932 90 0.27 43
IV.FDMO.HHZ. 2021-08-19T01:10:55.83 0.3 undecidable manual P 328 122.4885 90 -0.51 54
IV.CERA.HHZ. 2021-08-19T01:10:54.26 0.3 undecidable manual S 169 56.7987 90 0.6 59
IV.GUAR.HHZ. 2021-08-19T01:10:54.08 0.1 undecidable manual S 234 57.8976 90 0.13 90
IV.MC2.EHZ. 2021-08-19T01:10:53.72 0.3 undecidable manual P 328 106.4157 90 -0.13 61
IV.MMO1.EHZ. 2021-08-19T01:10:53.08 0.6 undecidable manual P 333 99.6225 90 0.27 40
IV.NRCA.HHZ. 2021-08-19T01:10:52.86 0.1 undecidable manual P 323 102.8193 90 -0.44 77
IV.GIGS.HHN. 2021-08-19T01:10:51.34 0.3 undecidable manual S 327 46.7199 90 0.38 65
IV.POFI.HHZ. 2021-08-19T01:10:50.16 0.3 undecidable manual S 198 44.622 90 -0.26 67
IV.VAGA.HHZ. 2021-08-19T01:10:50.26 0.3 undecidable manual P 159 81.3519 90 0.27 62
IV.TST02.HHZ. 2021-08-19T01:10:49.48 0.3 undecidable manual S 109 43.0236 90 -0.49 64
IV.GIUL.HHZ. 2021-08-19T01:10:49.35 0.3 undecidable manual P 221 79.365 90 -0.33 62
IV.MTRA.EHZ. 2021-08-19T01:10:49.68 0.3 undecidable manual P 332 83.0502 90 -0.57 58
IV.PTQR.HHZ. 2021-08-19T01:10:49.16 0.1 undecidable manual S 258 40.5261 90 -0.16 91
IV.SMA1.EHZ. 2021-08-19T01:10:48.54 0.3 undecidable manual P 323 73.9704 90 -0.32 63
IV.RM33.EHZ. 2021-08-19T01:10:48.36 0.3 undecidable manual P 310 71.0733 90 -0.06 66
IV.FIAM.HHZ. 2021-08-19T01:10:47.12 0.3 undecidable manual P 287 65.5899 90 -0.44 62
IV.VVLD.HHZ. 2021-08-19T01:10:47.29 0.1 undecidable manual S 220 33.2445 90 -0.08 94
IV.VCEL.EHZ. 2021-08-19T01:10:47.87 0.1 undecidable manual S 354 32.8449 90 0.6 84
IV.GUAR.HHZ. 2021-08-19T01:10:46.28 0.1 undecidable manual P 234 57.8976 90 -0.1 90
IV.TST01.HHZ. 2021-08-19T01:10:46.72 0.3 undecidable manual P 133 56.9985 90 0.47 62
IV.CERA.HHZ. 2021-08-19T01:10:46.15 0.3 undecidable manual P 169 56.7987 90 -0.06 68
IV.MIDA.HHZ. 2021-08-19T01:10:46.43 0.1 negative manual P 149 59.3961 90 -0.18 89
IV.TERO.HHZ. 2021-08-19T01:10:46.94 0.1 negative manual P 339 62.2932 90 -0.12 89
IV.LRP.EHZ. 2021-08-19T01:10:45.81 0.1 negative manual P 206 55.7997 90 -0.25 88
IV.RNI2.HHZ. 2021-08-19T01:10:45.44 0.3 undecidable manual P 153 49.3173 90 0.38 64
MN.AQU.HNN. 2021-08-19T01:10:44.94 0.3 undecidable manual P 306 48.3183 90 0.05 70
IV.LPEL.HHZ. 2021-08-19T01:10:44.95 0.1 undecidable manual S 103 25.4523 91 -0.35 91
IV.TST02.HHZ. 2021-08-19T01:10:44.17 0.1 positive manual P 109 43.0236 90 0.09 92
IV.GIGS.HHN. 2021-08-19T01:10:44.50 0.3 undecidable manual P 327 46.7199 90 -0.15 68
IV.POFI.HHZ. 2021-08-19T01:10:44.18 0.3 undecidable manual P 198 44.622 90 -0.16 68
IV.PTQR.HHZ. 2021-08-19T01:10:43.60 0.1 positive manual P 258 40.5261 90 -0.11 93
IV.FAGN.HHZ. 2021-08-19T01:10:42.08 0.1 positive manual P 307 30.6471 91 -0.1 94
IV.T0110.HHZ. 2021-08-19T01:10:42.87 0.1 undecidable manual S 329 16.7721 93 -0.11 96
IV.VVLD.HHZ. 2021-08-19T01:10:42.51 0.1 positive manual P 220 33.2445 90 -0.07 95
IV.VCEL.EHZ. 2021-08-19T01:10:42.71 0.1 positive manual P 354 32.8449 90 0.19 93
IT.OPI.HGE. 2021-08-19T01:10:42.91 0.3 undecidable manual P 187 36.1416 90 -0.11 70
IV.LPEL.HHZ. 2021-08-19T01:10:41.22 0.1 positive manual P 103 25.4523 91 -0.17 95
IV.INTR.HNZ. 2021-08-19T01:10:41.17 0.1 undecidable manual S 169 9.9789 121 -0.06 100
IV.T0110.HHZ. 2021-08-19T01:10:40.15 0.1 negative manual P 329 16.7721 93 0.1 97
IT.SULP.HGZ. 2021-08-19T01:10:40.15 0.1 undecidable manual S 113 4.0959 154 -0.02 100
IT.SULC.HNZ. 2021-08-19T01:10:40.19 0.1 undecidable manual S 147 4.1958 153 0.01 99
IV.INTR.HNZ. 2021-08-19T01:10:39.21 0.1 positive manual P 169 9.9789 121 0.17 96
IT.SULP.HGZ. 2021-08-19T01:10:38.49 0.1 negative manual P 113 4.0959 154 0.06 99
IT.SULC.HNZ. 2021-08-19T01:10:38.55 0.1 positive manual P 147 4.1958 153 0.12 98
IT.SULA.HNN. 2021-08-19T01:10:38.57 0.1 positive manual P 136 4.0959 154 0.14 97
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.INTR.HHE. ML:2.5 0.00398 0.22 AML other m 2021-08-19T01:10:41.65
IV.INTR.HNE. ML:2.5 0.00373 0.2 AML other m 2021-08-19T01:10:41.66
IV.INTR.HHN. ML:2.6 0.00532 1.68 AML other m 2021-08-19T01:10:41.84
IV.INTR.HNN. ML:2.6 0.004972623000000001 1.68 AML other m 2021-08-19T01:10:41.84
IV.T0110.HHN. ML:2.5 0.002429933 0.26 AML other m 2021-08-19T01:10:43.24
IV.T0110.HHE. ML:2.5 0.0024059625000000004 0.28 AML other m 2021-08-19T01:10:44.54
IV.LPEL.HHE. ML:2.4 0.00151844 0.1 AML other m 2021-08-19T01:10:46.35
IV.LPEL.HNE. ML:2.4 0.0013508185 0.1096 AML other m 2021-08-19T01:10:46.36
IV.LPEL.HNN. ML:2.4 0.0012989835 0.16 AML other m 2021-08-19T01:10:46.63
IV.LPEL.HHN. ML:2.4 0.001504115 0.14 AML other m 2021-08-19T01:10:46.70
IV.VVLD.HNE. ML:2.4 0.0012457278000000001 0.1896 AML other m 2021-08-19T01:10:47.51
IV.VVLD.HHN. ML:2.7 0.002125 0.2 AML other m 2021-08-19T01:10:47.55
IV.VVLD.HNN. ML:2.7 0.0019579835 0.2104 AML other m 2021-08-19T01:10:47.55
IV.VVLD.HHE. ML:2.5 0.0013417425 0.14 AML other m 2021-08-19T01:10:48.27
IV.VCEL.EHE. ML:2.5 0.0014292630000000003 0.18 AML other m 2021-08-19T01:10:48.68
IV.VCEL.EHN. ML:2.3 0.0009177942500000001 0.16 AML other m 2021-08-19T01:10:48.67
IV.POFI.HHN. ML:2.2 0.0004415 0.2 AML other m 2021-08-19T01:10:51.00
IV.POFI.HNN. ML:2.2 0.0004675 0.2 AML other m 2021-08-19T01:10:51.01
IV.TST02.HHE. ML:2.5 0.0009519999999999999 1.7 AML other m 2021-08-19T01:10:51.01
IV.POFI.HHE. ML:2.0 0.00033715505 0.32 AML other m 2021-08-19T01:10:51.74
IV.POFI.HNE. ML:2.2 0.000482 0.42 AML other m 2021-08-19T01:10:51.75
IV.FAGN.HHN. ML:2.3 0.0009486699999999999 0.22 AML other m 2021-08-19T01:10:51.96
IV.FAGN.HHE. ML:2.4 0.0010518157000000002 0.34 AML other m 2021-08-19T01:10:52.74
IV.PTQR.HHN. ML:1.7 0.00016060005 1.82 AML other m 2021-08-19T01:10:53.96
IV.PTQR.HHE. ML:1.8 0.0001932967 0.2 AML other m 2021-08-19T01:10:53.49
IV.TERO.HHE. ML:2.1 0.00026882134999999994 0.26 AML other m 2021-08-19T01:10:54.04
IV.LRP.EHN. ML:1.8 0.00012620685500000002 0.24 AML other m 2021-08-19T01:10:54.65
IV.GUAR.HHN. ML:2.4 0.0005155 0.26 AML other m 2021-08-19T01:10:54.75
IV.TST02.HHN. ML:2.0 0.000345 0.36 AML other m 2021-08-19T01:10:55.13
IV.TERO.HNN. ML:2.0 0.0001954438 0.28 AML other m 2021-08-19T01:10:55.66
IV.LRP.EHE. ML:2.2 0.00037317205 0.2 AML other m 2021-08-19T01:10:55.68
IV.CERA.HHN. ML:2.3 0.000464 0.5 AML other m 2021-08-19T01:10:55.68
IV.CERA.HNN. ML:2.3 0.00044394240000000004 0.5104 AML other m 2021-08-19T01:10:55.94
IV.CERA.HHE. ML:2.1 0.000284 1.48 AML other m 2021-08-19T01:10:56.84
IV.TERO.HHN. ML:2.0 0.00021197280000000002 0.08 AML other m 2021-08-19T01:10:56.61
IV.TST01.HHN. ML:1.6 0.00009351335 0.6 AML other m 2021-08-19T01:10:56.89
IV.MIDA.HNE. ML:2.0 0.00022288114999999997 0.18 AML other m 2021-08-19T01:10:57.73
IV.MIDA.HHN. ML:2.1 0.0002405 0.16 AML other m 2021-08-19T01:10:57.72
IV.TERO.HNE. ML:2.2 0.00029790345 1.7704 AML other m 2021-08-19T01:10:57.01
IV.RNI2.HHE. ML:1.9 0.00021100000000000003 1.58 AML other m 2021-08-19T01:10:58.90
IV.GUAR.HHE. ML:2.2 0.000374 0.26 AML other m 2021-08-19T01:10:58.97
IV.RNI2.HHN. ML:2.0 0.000275 0.68 AML other m 2021-08-19T01:11:01.36
IV.GIUL.HHN. ML:1.8 0.000079182435 0.2 AML other m 2021-08-19T01:11:01.78
IV.MIDA.HNN. ML:2.3 0.00039132994 0.9 AML other m 2021-08-19T01:11:02.11
IV.SMA1.EHN. ML:1.9 0.00012330000000000002 0.3 AML other m 2021-08-19T01:11:02.93
IV.RM33.EHN. ML:1.8 0.0000963 0.38 AML other m 2021-08-19T01:11:02.94
IV.MIDA.HHE. ML:1.9 0.000176 0.3 AML other m 2021-08-19T01:11:03.32
IV.MTRA.EHN. ML:2.0 0.00012067713 0.32 AML other m 2021-08-19T01:11:03.41
IV.MTRA.EHE. ML:1.9 0.000107896455 0.16 AML other m 2021-08-19T01:11:03.85
IV.CERA.HNE. ML:2.0 0.00023854999999999997 0.48 AML other m 2021-08-19T01:11:05.09
IV.SMA1.EHE. ML:1.8 0.00010272294000000001 0.5 AML other m 2021-08-19T01:11:05.42
IV.FIAM.HHN. ML:1.5 0.0000604 0.72 AML other m 2021-08-19T01:11:07.43
IV.RM33.EHE. ML:1.8 0.0001027 0.42 AML other m 2021-08-19T01:11:08.51
IV.FIAM.HHE. ML:1.5 0.00005465000000000001 0.46 AML other m 2021-08-19T01:11:09.43
IV.GIUL.HHE. ML:1.7 0.000071060035 0.48 AML other m 2021-08-19T01:11:10.45
IV.TST01.HHE. ML:1.5 0.0000731 1.18 AML other m 2021-08-19T01:11:11.70
IV.VAGA.HHN. ML:1.9 0.00011476206999999999 1.7 AML other m 2021-08-19T01:11:11.06
IV.FDMO.HHE. ML:1.8 0.0000395 0.74 AML other m 2021-08-19T01:11:20.54
IV.FDMO.HHN. ML:2.0 0.000069764095 0.48 AML other m 2021-08-19T01:11:20.74
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