Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.7 on date 30-05-2021 and time 20:26:32 (Italy) in region 4 km SW Cortino (TE)

A magnitude ML 1.7 earthquake occured in region: 4 km SW Cortino (TE), on

  • 30-05-2021 18:26:32 (UTC)
  • 30-05-2021 20:26:32 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.5960, 13.4770 at 12 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
Cortino TE 4 656 656
Crognaleto TE 5 1297 1953
Fano Adriano TE 7 296 2249
Campotosto AQ 10 542 2791
Pietracamela TE 10 271 3062
Rocca Santa Maria TE 11 537 3599
Montorio al Vomano TE 13 8218 11817
Tossicia TE 15 1406 13223
Valle Castellana TE 16 977 14200
Amatrice RI 16 2657 16857
Torricella Sicura TE 16 2641 19498
Capitignano AQ 17 665 20163
Colledara TE 18 2179 22342
Isola del Gran Sasso d'Italia TE 18 4773 27115

Municipalities with at least 50000 inhabitants

An earthquake occurred to
20 Km W of Teramo (54892 inhabitants)
28 Km N of L'Aquila (69753 inhabitants)
56 Km W of Montesilvano (53738 inhabitants)
62 Km W of Pescara (121014 inhabitants)
63 Km W of Chieti (51815 inhabitants)
68 Km E of Terni (111501 inhabitants)
75 Km SE of Foligno (57155 inhabitants)
90 Km NE of Tivoli (56533 inhabitants)
90 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 1.7 2021-05-30
18:26:32		 42.5958 13.4772 12 2021-12-29
11:12:08		 Bollettino Sismico Italiano INGV 92143111
Reviewed
Rev100 		ML 1.8 2021-05-30
18:26:32		 42.5957 13.4703 13 2021-05-30
18:37:26		 Sala Sismica INGV-Roma 90636421
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-05-30 18:26:32 ± 0.06
Latitude 42.5958 ± 0.0027
Longitude 13.4772 ± 0.0049
Depth (km) 12 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 92143111

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 387
Semi-minor axis of confidence ellipse (meter) 107
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 229
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) 53
Number of associated phases, regardless of their use for origin computation 50
Number of defining phases 44
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) 0.98296
Number of stations at which the event was observed 30
Number of stations from which data was used for origin computation 24
Magnitudes information

ML:1.7

Field Value
Value 1.7
Uncertainty 0.3
Num. used stations 29
Type of magnitude ML
Reference to an origin 92143111
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2021-10-12 14:28:52

ML:1.8

Field Value
Value 1.8
Uncertainty 0.2
Num. used stations 28
Type of magnitude ML
Reference to an origin 90636421
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-05-30 18:37:26
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.IOCA.HHZ. 2021-05-30T18:27:34.19 3.0 undecidable manual Sg 5.17 0
IV.APEC.HHZ. 2021-05-30T18:27:14.62 3.0 undecidable manual S 0.91 0
TV.SF01.EHZ. 2021-05-30T18:27:03.43 3.0 negative manual P 5.26 0
IV.RIBO.EHZ.01 2021-05-30T18:27:02.76 3.0 positive manual Pn -0.86 0
IV.CING.HHZ. 2021-05-30T18:27:00.62 0.6 undecidable manual S 345 89.4438 91 1.32 27
IV.GIUL.HHZ. 2021-05-30T18:26:53.47 3.0 undecidable manual P 0.56 0
IV.FDMO.HHZ. 2021-05-30T18:26:51.05 0.6 undecidable manual S 327 58.2972 91 0.07 45
IV.ARVD.HHZ. 2021-05-30T18:26:51.18 0.3 undecidable manual P 337 109.113 91 -0.01 63
IV.CSP1.EHZ. 2021-05-30T18:26:51.72 0.6 undecidable manual S 338 59.2962 91 0.47 42
IV.GUMA.HHZ. 2021-05-30T18:26:50.43 0.6 undecidable manual S 347 53.0025 92 0.85 36
IV.LPEL.HHZ. 2021-05-30T18:26:49.68 3.0 undecidable manual P 0
IV.T0110.HHZ. 2021-05-30T18:26:48.33 0.6 undecidable manual S 149 47.5191 92 0.24 45
IV.CING.HHZ. 2021-05-30T18:26:48.00 0.1 negative manual P 345 89.4438 91 -0.17 85
IV.MF5.EHZ. 2021-05-30T18:26:47.72 0.6 undecidable manual S 358 43.5231 92 0.69 39
IV.EL6.EHZ. 2021-05-30T18:26:47.59 0.1 undecidable manual P 340 86.8464 91 -0.18 85
IV.MC2.EHZ. 2021-05-30T18:26:46.83 0.6 undecidable manual S 326 42.1245 92 0.16 46
IV.NRCA.HHZ. 2021-05-30T18:26:45.78 0.3 undecidable manual S 312 39.627 92 -0.22 69
IV.VCEL.EHZ. 2021-05-30T18:26:45.80 0.6 undecidable manual S 127 37.2294 93 0.45 43
IV.LNSS.HHZ. 2021-05-30T18:26:45.04 0.6 undecidable manual S 271 35.6421 93 0.09 47
IV.FAGN.HHZ. 2021-05-30T18:26:45.79 0.6 undecidable manual S 167 37.629 92 0.31 45
IV.MMO1.EHZ. 2021-05-30T18:26:44.77 0.6 undecidable manual S 340 35.8419 93 -0.21 46
IV.MNTT.EHZ. 2021-05-30T18:26:43.03 0.3 undecidable manual P 11 52.6029 92 0.54 61
IV.CSP1.EHZ. 2021-05-30T18:26:43.18 0.1 positive manual P 338 59.2962 91 -0.34 86
IV.GUMA.HHZ. 2021-05-30T18:26:42.59 0.1 undecidable manual P 347 53.0025 92 0.04 92
MN.AQU.HHN. 2021-05-30T18:26:42.78 0.6 undecidable manual S 192 27.4503 94 0.02 49
IV.FDMO.HHZ. 2021-05-30T18:26:42.99 0.1 positive manual P 327 58.2972 91 -0.37 86
IV.OFFI.HHZ. 2021-05-30T18:26:41.17 0.3 undecidable manual P 24 41.3253 92 0.43 65
IV.RM33.EHZ. 2021-05-30T18:26:41.67 0.6 undecidable manual S 246 23.5542 96 -0.04 49
IV.MF5.EHZ. 2021-05-30T18:26:41.04 0.1 positive manual P 358 43.5231 92 -0.05 95
IV.T0110.HHZ. 2021-05-30T18:26:41.50 0.1 undecidable manual P 149 47.5191 92 -0.2 91
IV.MTRA.HNZ. 2021-05-30T18:26:40.13 0.1 undecidable manual S 340 18.9699 100 -0.38 92
IV.NRCA.HHZ. 2021-05-30T18:26:40.15 0.1 undecidable manual P 312 39.627 92 -0.34 89
IV.VCEL.EHZ. 2021-05-30T18:26:40.12 0.1 negative manual P 127 37.2294 93 0 96
IV.T1299.EHE. 2021-05-30T18:26:40.12 0.1 undecidable manual S 285 16.4724 104 0.26 95
IV.MC2.EHZ. 2021-05-30T18:26:40.68 0.1 undecidable manual P 326 42.1245 92 -0.2 92
IV.MMO1.EHZ. 2021-05-30T18:26:39.56 0.1 undecidable manual P 340 35.8419 93 -0.34 90
IV.FAGN.HHZ. 2021-05-30T18:26:39.98 0.3 undecidable manual P 167 37.629 92 -0.21 69
IV.GIGS.HHN. 2021-05-30T18:26:39.85 0.1 undecidable manual S 154 17.6712 102 -0.31 93
IV.LNSS.HHZ. 2021-05-30T18:26:39.77 0.3 undecidable manual P 271 35.6421 93 -0.11 71
IV.TERO.HNZ. 2021-05-30T18:26:38.35 0.1 undecidable manual S 74 10.7781 124 -0.11 98
IV.SMA1.EHZ. 2021-05-30T18:26:38.75 0.6 undecidable manual S 288 12.1767 118 -0.04 49
IV.CAMP.HHZ. 2021-05-30T18:26:38.41 0.1 undecidable manual S 220 8.6802 133 0.38 94
MN.AQU.HHN. 2021-05-30T18:26:38.51 0.3 undecidable manual P 192 27.4503 94 -0.11 72
IV.T1299.EHE. 2021-05-30T18:26:37.08 0.1 negative manual P 285 16.4724 104 0.14 97
IV.MTRA.HNZ. 2021-05-30T18:26:37.08 0.1 positive manual P 340 18.9699 100 -0.25 95
IV.RM33.EHZ. 2021-05-30T18:26:37.98 0.1 undecidable manual P 246 23.5542 96 -0.04 97
IV.CAMP.HHZ. 2021-05-30T18:26:36.17 0.1 positive manual P 220 8.6802 133 0.29 95
IV.SMA1.EHZ. 2021-05-30T18:26:36.48 0.1 negative manual P 288 12.1767 118 0.15 97
IV.TERO.HNZ. 2021-05-30T18:26:36.10 0.1 undecidable manual P 74 10.7781 124 -0.04 100
IV.GIGS.HHN. 2021-05-30T18:26:36.98 0.1 undecidable manual P 154 17.6712 102 -0.14 97
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.TERO.HNN. ML:2.2 0.00183 0.18 AML other m 2021-05-30T18:26:38.55
IV.TERO.HHN. ML:2.2 0.001709 0.18 AML other m 2021-05-30T18:26:38.55
IV.TERO.HHE. ML:2.0 0.0012250000000000002 0.18 AML other m 2021-05-30T18:26:38.54
IV.TERO.HNE. ML:1.9 0.0009570000000000001 0.16 AML other m 2021-05-30T18:26:38.55
IV.SMA1.EHN. ML:1.2 0.00015423705 0.0768 AML other m 2021-05-30T18:26:39.11
IV.SMA1.EHE. ML:1.4 0.00028300000000000005 0.18 AML other m 2021-05-30T18:26:39.23
IV.MTRA.EHE. ML:1.3 0.0001568239 0.128 AML other m 2021-05-30T18:26:40.21
IV.MTRA.HNE. ML:1.3 0.00015678635499999998 0.256 AML other m 2021-05-30T18:26:40.21
IV.MTRA.HNN. ML:1.6 0.00030680405 0.3072 AML other m 2021-05-30T18:26:40.35
IV.MTRA.EHN. ML:1.6 0.00029039189999999996 0.2816 AML other m 2021-05-30T18:26:40.20
IV.RM33.HNN. ML:1.6 0.00021601785 0.2944 AML other m 2021-05-30T18:26:41.96
IV.RM33.EHN. ML:1.6 0.0002205 0.3 AML other m 2021-05-30T18:26:41.97
IV.RM33.HNE. ML:1.4 0.00017033562 0.2688 AML other m 2021-05-30T18:26:41.97
IV.RM33.EHE. ML:1.5 0.00019459745 0.2816 AML other m 2021-05-30T18:26:41.98
IV.LNSS.HHN. ML:1.3 0.00007221333499999998 0.32 AML other m 2021-05-30T18:26:45.26
IV.LNSS.HHE. ML:1.3 0.00007197956 0.128 AML other m 2021-05-30T18:26:45.26
IV.NRCA.HHN. ML:1.7 0.00016251135 0.4736 AML other m 2021-05-30T18:26:46.24
IV.VCEL.EHN. ML:1.7 0.00017893639999999998 0.128 AML other m 2021-05-30T18:26:46.02
IV.NRCA.HHE. ML:2.0 0.00036550000000000005 0.16 AML other m 2021-05-30T18:26:46.04
IV.VCEL.EHE. ML:1.6 0.00015970235 0.2304 AML other m 2021-05-30T18:26:46.20
IV.T0110.HHE. ML:1.7 0.00015207353000000002 0.4992 AML other m 2021-05-30T18:26:48.85
IV.T0110.HHN. ML:1.8 0.000158315915 0.32 AML other m 2021-05-30T18:26:48.90
IV.GUMA.HHE. ML:2.0 0.00025 0.22 AML other m 2021-05-30T18:26:50.67
IV.GUMA.HHN. ML:1.6 0.00009248186999999999 0.1536 AML other m 2021-05-30T18:26:50.80
IV.FDMO.HHN. ML:2.2 0.0002993215 0.2304 AML other m 2021-05-30T18:26:51.42
IV.FDMO.HHE. ML:1.6 0.000090674615 0.2048 AML other m 2021-05-30T18:26:51.44
IV.CSP1.EHE. ML:1.8 0.0001274242 0.2816 AML other m 2021-05-30T18:26:52.12
IV.CSP1.EHN. ML:1.8 0.000131 0.32 AML other m 2021-05-30T18:26:52.22
IV.CING.HHE. ML:1.5 0.0000336922 0.6144 AML other m 2021-05-30T18:27:01.22
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