Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.8 on date 24-05-2021 and time 09:54:16 (Italy) in region 4 km W Crognaleto (TE)

A magnitude ML 1.8 earthquake occured in region: 4 km W Crognaleto (TE), on

  • 24-05-2021 07:54:16 (UTC)
  • 24-05-2021 09:54:16 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.5610, 13.4350 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 4 1297 1297
Campotosto AQ 5 542 1839
Fano Adriano TE 9 296 2135
Cortino TE 9 656 2791
Pietracamela TE 11 271 3062
Capitignano AQ 12 665 3727
Amatrice RI 14 2657 6384
Rocca Santa Maria TE 16 537 6921
Montereale AQ 16 2581 9502
Montorio al Vomano TE 16 8218 17720
Barete AQ 17 737 18457
Tossicia TE 18 1406 19863
Pizzoli AQ 18 4326 24189
Isola del Gran Sasso d'Italia TE 20 4773 28962

Municipalities with at least 50000 inhabitants

An earthquake occurred to
23 Km N of L'Aquila (69753 inhabitants)
25 Km W of Teramo (54892 inhabitants)
59 Km W of Montesilvano (53738 inhabitants)
65 Km W of Chieti (51815 inhabitants)
65 Km E of Terni (111501 inhabitants)
65 Km W of Pescara (121014 inhabitants)
74 Km SE of Foligno (57155 inhabitants)
85 Km NE of Tivoli (56533 inhabitants)
85 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 1.8 2021-05-24
07:54:16		 42.5608 13.4353 17 2021-12-29
11:12:13		 Bollettino Sismico Italiano INGV 93102731
Reviewed
Rev100 		ML 1.8 2021-05-24
07:54:17		 42.5587 13.4378 17 2021-05-24
08:02:22		 Sala Sismica INGV-Roma 90444231
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-05-24 07:54:16 ± 0.07
Latitude 42.5608 ± 0.0036
Longitude 13.4353 ± 0.0049
Depth (km) 17 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 93102731

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 450
Semi-minor axis of confidence ellipse (meter) 64
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 232
Circular confidence region, given by single value of horizontal uncertainty (meter) 450.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 56
Number of associated phases, regardless of their use for origin computation 45
Number of defining phases 45
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) 0.03148
Epicentral distance of station farthest from the epicenter (degree) 0.80579
Number of stations at which the event was observed 24
Number of stations from which data was used for origin computation 24
Magnitudes information

ML:1.8

Field Value
Value 1.8
Uncertainty 0.2
Num. used stations 44
Type of magnitude ML
Reference to an origin 93102731
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2021-07-23 10:54:56

ML:1.8

Field Value
Value 1.8
Uncertainty 0.1
Num. used stations 22
Type of magnitude ML
Reference to an origin 90444231
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-05-24 08:02:22
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.CESI.HHZ. 2021-05-24T07:54:37.35 0.3 undecidable manual S 319 65.49 96 0.36 64
IV.CSP1.EHZ. 2021-05-24T07:54:36.53 0.6 undecidable manual S 342 61.7937 96 0.52 41
IV.FDMO.HHZ. 2021-05-24T07:54:35.90 0.6 undecidable manual S 332 59.8956 97 0.4 42
IV.ARRO.EHZ. 2021-05-24T07:54:34.02 0.3 undecidable manual S 272 54.7008 97 -0.12 67
IV.MF5.EHZ. 2021-05-24T07:54:32.87 0.3 undecidable manual S 2 47.4192 99 0.68 59
IV.T0110.HHZ. 2021-05-24T07:54:32.27 0.3 undecidable manual S 143 46.2204 99 0.4 64
IV.GAVE.EHZ. 2021-05-24T07:54:32.26 0.6 undecidable manual S 288 46.5201 99 0.3 45
IV.MC2.EHZ. 2021-05-24T07:54:31.86 0.3 undecidable manual S 333 43.7229 100 0.62 61
IV.FIAM.HNE. 2021-05-24T07:54:31.24 0.6 undecidable manual S 219 41.625 101 0.56 42
IV.EL6.EHZ. 2021-05-24T07:54:31.96 0.3 undecidable manual P 342 89.4438 94 -0.24 62
IV.NRCA.HHZ. 2021-05-24T07:54:30.63 0.6 undecidable manual S 319 40.0266 101 0.38 44
IV.VCEL.EHZ. 2021-05-24T07:54:30.37 0.3 undecidable manual S 119 37.9287 102 0.66 59
IV.MMO1.EHZ. 2021-05-24T07:54:29.90 0.3 undecidable manual S 347 38.5281 102 0.03 71
IV.CESI.HHZ. 2021-05-24T07:54:28.25 0.3 positive manual P 319 65.49 96 -0.28 64
IV.LNSS.HHZ. 2021-05-24T07:54:28.76 0.6 undecidable manual S 278 32.6451 105 0.44 44
IV.FDMO.HHZ. 2021-05-24T07:54:27.29 0.1 positive manual P 332 59.8956 97 -0.38 85
IV.CSP1.EHZ. 2021-05-24T07:54:27.66 0.1 positive manual P 342 61.7937 96 -0.3 86
MN.AQU.HNE. 2021-05-24T07:54:26.06 0.6 undecidable manual S 186 23.0547 114 0.14 48
IV.ARRO.EHZ. 2021-05-24T07:54:26.63 0.1 undecidable manual P 272 54.7008 97 -0.25 88
IV.OFFI.HHE. 2021-05-24T07:54:26.18 0.6 undecidable manual P 26 46.2204 99 0.6 40
IV.GAVE.EHZ. 2021-05-24T07:54:25.47 0.1 negative manual P 288 46.5201 99 -0.15 91
IV.MC2.EHZ. 2021-05-24T07:54:25.02 0.1 positive manual P 333 43.7229 100 -0.19 91
IV.MF5.EHZ. 2021-05-24T07:54:25.80 0.1 undecidable manual P 2 47.4192 99 0.04 93
IV.RM33.EHZ. 2021-05-24T07:54:25.09 0.6 undecidable manual S 252 18.9699 121 0.15 48
IV.MTRA.HNZ. 2021-05-24T07:54:25.28 0.3 undecidable manual S 352 21.9669 116 -0.37 68
IV.T0110.HHZ. 2021-05-24T07:54:25.34 0.1 undecidable manual P 143 46.2204 99 -0.23 91
IV.VCEL.EHZ. 2021-05-24T07:54:24.43 0.3 undecidable manual P 119 37.9287 102 0.1 70
IV.T1299.HNE. 2021-05-24T07:54:24.30 0.6 undecidable manual S 303 14.9739 129 0.25 48
IV.MMO1.EHZ. 2021-05-24T07:54:24.17 0.1 positive manual P 347 38.5281 102 -0.25 91
IV.FIAM.HNE. 2021-05-24T07:54:24.96 1.0 undecidable manual P 219 41.625 101 0.08 23
IV.NRCA.HHZ. 2021-05-24T07:54:24.32 0.1 positive manual P 319 40.0266 101 -0.32 89
IV.FAGN.HHZ. 2021-05-24T07:54:23.87 0.6 undecidable manual P 160 34.9428 104 0 48
IV.GIGS.HHE. 2021-05-24T07:54:23.99 0.6 undecidable manual S 137 16.3725 126 -0.38 46
IV.SMA1.EHZ. 2021-05-24T07:54:23.07 0.6 undecidable manual S 313 11.2776 139 -0.28 47
IV.LNSS.HHZ. 2021-05-24T07:54:23.51 0.1 negative manual P 278 32.6451 105 -0.02 96
IV.TERO.HHZ. 2021-05-24T07:54:23.92 0.6 undecidable manual S 63 15.3735 128 -0.23 48
IV.CAMP.HHZ. 2021-05-24T07:54:22.54 0.6 undecidable manual S 218 3.4965 166 0.17 50
IV.RM33.EHZ. 2021-05-24T07:54:21.60 0.1 positive manual P 252 18.9699 121 0.03 99
IV.MTRA.HNZ. 2021-05-24T07:54:21.68 0.1 positive manual P 352 21.9669 116 -0.3 92
IV.GIGS.HHE. 2021-05-24T07:54:21.06 0.1 undecidable manual P 137 16.3725 126 -0.18 96
MN.AQU.HNE. 2021-05-24T07:54:21.88 0.3 undecidable manual P 186 23.0547 114 -0.26 70
IV.T1299.HNE. 2021-05-24T07:54:21.21 0.1 undecidable manual P 303 14.9739 129 0.15 97
IV.SMA1.EHZ. 2021-05-24T07:54:20.68 0.1 positive manual P 313 11.2776 139 0.03 100
IV.TERO.HHZ. 2021-05-24T07:54:20.87 0.1 undecidable manual P 63 15.3735 128 -0.25 95
IV.CAMP.HHZ. 2021-05-24T07:54:20.19 0.1 undecidable manual P 218 3.4965 166 0.1 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.CAMP.HHN. ML:1.6 0.0003781504 0.16 AML other m 2021-05-24T07:54:22.64
IV.CAMP.HHE. ML:1.8 0.000737 0.12 AML other m 2021-05-24T07:54:22.67
IV.SMA1.EHE. ML:2.0 0.0007674965000000001 0.16 AML other m 2021-05-24T07:54:23.65
IV.SMA1.EHN. ML:1.8 0.00064670095 0.1216 AML other m 2021-05-24T07:54:23.50
IV.RM33.EHN. ML:1.7 0.00034199999999999996 0.18 AML other m 2021-05-24T07:54:25.26
IV.RM33.HNN. ML:1.8 0.00036950000000000004 0.18 AML other m 2021-05-24T07:54:25.26
IV.MTRA.EHE. ML:1.9 0.00054506 0.1024 AML other m 2021-05-24T07:54:25.31
IV.MTRA.EHN. ML:1.8 0.00034815625 0.1216 AML other m 2021-05-24T07:54:25.29
IV.RM33.EHE. ML:1.5 0.00020601894999999998 0.2176 AML other m 2021-05-24T07:54:25.18
IV.RM33.HNE. ML:1.6 0.00022539385 0.1792 AML other m 2021-05-24T07:54:26.37
IV.LNSS.HHE. ML:2.0 0.0003885 0.16 AML other m 2021-05-24T07:54:29.40
IV.LNSS.HHN. ML:1.9 0.0003395 0.18 AML other m 2021-05-24T07:54:29.75
IV.VCEL.EHE. ML:1.8 0.00023436445 0.2816 AML other m 2021-05-24T07:54:30.90
IV.NRCA.HHN. ML:2.2 0.000546 1.92 AML other m 2021-05-24T07:54:31.98
IV.NRCA.HNN. ML:2.2 0.00052736465 0.0832 AML other m 2021-05-24T07:54:30.99
IV.NRCA.HNE. ML:2.3 0.00060483625 0.1344 AML other m 2021-05-24T07:54:31.18
IV.NRCA.HHE. ML:2.3 0.00064050425 0.1216 AML other m 2021-05-24T07:54:31.11
IV.FAGN.HHN. ML:1.8 0.00026000000000000003 1.72 AML other m 2021-05-24T07:54:31.98
IV.FAGN.HHE. ML:1.8 0.0002465 0.26 AML other m 2021-05-24T07:54:31.12
IV.VCEL.EHN. ML:1.8 0.0002099007 0.1984 AML other m 2021-05-24T07:54:31.23
IV.T0110.HHE. ML:1.8 0.000161 0.44 AML other m 2021-05-24T07:54:32.58
IV.GAVE.EHE. ML:2.3 0.00050583415 0.16 AML other m 2021-05-24T07:54:32.92
IV.T0110.HHN. ML:1.7 0.00014450000000000002 0.36 AML other m 2021-05-24T07:54:32.67
IV.GAVE.EHN. ML:2.1 0.00031270829999999997 0.1408 AML other m 2021-05-24T07:54:32.00
IV.ARRO.EHN. ML:1.5 0.0000727 0.12 AML other m 2021-05-24T07:54:34.83
IV.ARRO.EHE. ML:1.5 0.00006285000000000001 1.8 AML other m 2021-05-24T07:54:34.04
IV.FDMO.HHN. ML:1.6 0.00008252479499999999 0.1792 AML other m 2021-05-24T07:54:35.99
IV.CESI.HHE. ML:1.7 0.00009257834 0.1216 AML other m 2021-05-24T07:54:38.85
IV.CESI.HHN. ML:1.8 0.00011517544500000002 0.32 AML other m 2021-05-24T07:54:38.13
IV.FDMO.HHE. ML:1.6 0.0000838 0.18 AML other m 2021-05-24T07:54:38.92
IV.MTRA.HNN. ML:1.8 0.00033195405 0.1216 AML other m 2021-05-24T07:54:25.35
IV.MTRA.HNE. ML:1.9 0.00053335155 0.128 AML other m 2021-05-24T07:54:25.68
IV.LNSS.HNN. ML:1.9 0.0003275719 0.16 AML other m 2021-05-24T07:54:29.75
IV.LNSS.HNE. ML:2.0 0.00036239545 0.128 AML other m 2021-05-24T07:54:29.40
IV.GAVE.HNN. ML:1.8 0.00016032405 0.6336 AML other m 2021-05-24T07:54:37.65
IV.GAVE.HNE. ML:2.3 0.00057277895 0.1728 AML other m 2021-05-24T07:54:33.01
IV.MF5.EHN. ML:1.7 0.00013842682500000002 0.3392 AML other m 2021-05-24T07:54:33.22
IV.MF5.EHE. ML:1.7 0.00013511810000000002 0.1152 AML other m 2021-05-24T07:54:33.53
IV.CSP1.EHN. ML:1.9 0.00013872845 0.2624 AML other m 2021-05-24T07:54:38.03
IV.CSP1.EHE. ML:1.8 0.000116088415 0.096 AML other m 2021-05-24T07:54:38.97
IV.CESI.HNN. ML:2.0 0.00016922535 0.3392 AML other m 2021-05-24T07:54:39.30
IV.CESI.HNE. ML:2.2 0.00026880115 13.5872 AML other m 2021-05-24T07:54:47.19
IV.EL6.EHN. ML:1.6 0.00004389572 0.16 AML other m 2021-05-24T07:54:47.74
IV.EL6.EHE. ML:1.6 0.00004328914 0.1984 AML other m 2021-05-24T07:54:47.61
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