Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.8 on date 25-02-2021 and time 06:42:22 (Italy) in region 5 km NE Pescosolido (FR)

A magnitude ML 1.8 earthquake occured in region: 5 km NE Pescosolido (FR), on

  • 25-02-2021 05:42:22 (UTC)
  • 25-02-2021 06:42:22 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 41.7820, 13.7020 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.

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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
Pescosolido FR 5 1555 1555
Campoli Appennino FR 5 1725 3280
Pescasseroli AQ 8 2203 5483
Posta Fibreno FR 10 1139 6622
Sora FR 10 26144 32766
Broccostella FR 10 2741 35507
Opi AQ 11 420 35927
Alvito FR 11 2713 38640
Villavallelonga AQ 12 919 39559
Balsorano AQ 12 3569 43128
Vicalvi FR 12 783 43911
San Donato Val di Comino FR 12 2107 46018
Fontechiari FR 13 1303 47321
Collelongo AQ 15 1233 48554
Isola del Liri FR 16 11715 60269
San Vincenzo Valle Roveto AQ 16 2347 62616
Gallinaro FR 16 1269 63885
Bisegna AQ 16 223 64108
Arpino FR 17 7262 71370
Casalvieri FR 17 2698 74068
Lecce nei Marsi AQ 17 1702 75770
Castelliri FR 17 3454 79224
Settefrati FR 18 728 79952
Casalattico FR 18 574 80526
Villetta Barrea AQ 19 653 81179
Gioia dei Marsi AQ 19 1989 83168
Atina FR 20 4316 87484
Ortucchio AQ 20 1860 89344

Municipalities with at least 50000 inhabitants

An earthquake occurred to
68 Km SE of L'Aquila (69753 inhabitants)
74 Km SW of Chieti (51815 inhabitants)
75 Km E of Latina (125985 inhabitants)
77 Km E of Tivoli (56533 inhabitants)
77 Km E of Velletri (53303 inhabitants)
84 Km E of Guidonia Montecelio (88673 inhabitants)
87 Km SW of Pescara (121014 inhabitants)
90 Km SW of Montesilvano (53738 inhabitants)
90 Km E of Aprilia (73446 inhabitants)
95 Km NW of Caserta (76326 inhabitants)
97 Km E of Anzio (54211 inhabitants)
98 Km S of Teramo (54892 inhabitants)
99 Km NW of Aversa (53047 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 2021-02-25
05:42:22		 41.7825 13.702 11 2021-07-12
16:55:12		 Bollettino Sismico Italiano INGV 90446121
Reviewed
Rev100 		ML 1.8 2021-02-25
05:42:22		 41.7837 13.7048 11 2021-02-25
05:46:15		 Sala Sismica INGV-Roma 87472491
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-02-25 05:42:22 ± 0.04
Latitude 41.7825 ± 0.0027
Longitude 13.7020 ± 0.0036
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 90446121

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 291
Semi-minor axis of confidence ellipse (meter) 247
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 141
Circular confidence region, given by single value of horizontal uncertainty (meter) 290.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 36
Number of associated phases, regardless of their use for origin computation 41
Number of defining phases 41
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.2
Epicentral distance of station closest to the epicenter (degree) 0.06565
Epicentral distance of station farthest from the epicenter (degree) 0.62053
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 36
Type of magnitude ML
Reference to an origin 90446121
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2021-05-24 09:37:38

ML:1.8

Field Value
Value 1.8
Uncertainty 0.2
Num. used stations 36
Type of magnitude ML
Reference to an origin 87472491
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-02-25 05:46:15
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.TST02.HHE. 2021-02-25T05:42:41.10 0.6 undecidable manual S 69 59.1963 50 0.39 43
IV.CERT.HNE. 2021-02-25T05:42:41.29 0.6 undecidable manual S 287 62.2932 50 -0.25 44
IV.RCAV.EHZ. 2021-02-25T05:42:41.96 0.6 undecidable manual S 277 62.9925 50 0.25 44
IV.T0110.HHZ. 2021-02-25T05:42:39.21 0.6 undecidable manual S 7 49.9167 50 0.97 35
IV.GIUL.HHZ. 2021-02-25T05:42:37.01 0.3 undecidable manual S 236 44.622 50 0.19 69
IT.SULA.HNN. 2021-02-25T05:42:35.00 0.6 undecidable manual S 29 36.8298 50 0.27 46
IT.SULP.HGN. 2021-02-25T05:42:35.12 0.3 undecidable manual S 29 38.3283 50 -0.03 72
IV.PTQR.HHZ. 2021-02-25T05:42:35.13 0.3 undecidable manual S 317 36.4413 50 0.51 65
IV.MCI.EHZ. 2021-02-25T05:42:34.02 0.3 undecidable manual S 164 33.6441 50 0.14 71
IT.SULC.HNZ. 2021-02-25T05:42:34.49 0.6 undecidable manual S 28 35.9418 50 -0.02 48
IV.VCEL.EHZ. 2021-02-25T05:42:34.49 0.1 undecidable manual P 9 68.8755 50 0.03 91
IV.LIK.EHN.01 2021-02-25T05:42:34.39 0.6 undecidable manual S 201 33.5442 50 0.54 43
IV.CERT.HNE. 2021-02-25T05:42:33.13 0.3 undecidable manual P 287 62.2932 50 -0.32 65
IV.RCAV.EHZ. 2021-02-25T05:42:33.46 0.3 undecidable manual P 277 62.9925 50 -0.09 68
IV.GUAR.HHZ. 2021-02-25T05:42:33.32 0.6 undecidable manual S 272 32.2455 50 -0.2 47
IV.TST01.HHZ. 2021-02-25T05:42:33.04 0.3 undecidable manual P 94 56.7987 50 0.44 64
IV.FAGN.HHZ. 2021-02-25T05:42:32.10 0.3 undecidable manual P 350 54.501 50 -0.15 68
IV.INTR.HHZ. 2021-02-25T05:42:32.83 0.3 undecidable manual S 33 30.4473 50 -0.19 71
IV.TST02.HHE. 2021-02-25T05:42:32.84 0.3 undecidable manual P 69 59.1963 50 -0.13 68
IV.MIDA.HHZ. 2021-02-25T05:42:31.11 0.3 undecidable manual P 109 48.3183 50 -0.18 69
IV.T0110.HHZ. 2021-02-25T05:42:31.38 0.1 undecidable manual P 7 49.9167 50 -0.17 91
IV.LPEL.HHZ. 2021-02-25T05:42:31.20 0.3 undecidable manual P 53 49.4172 50 -0.26 67
IV.GIUL.HHZ. 2021-02-25T05:42:30.59 0.1 undecidable manual P 236 44.622 50 -0.14 93
IV.RNI2.HHZ. 2021-02-25T05:42:30.14 0.3 undecidable manual P 103 38.3283 50 0.39 67
IV.PTQR.HHZ. 2021-02-25T05:42:29.39 0.3 undecidable manual P 317 36.4413 50 -0.07 72
IV.LRP.EHZ. 2021-02-25T05:42:29.59 0.3 undecidable manual S 213 17.7711 121 -0.06 74
IT.SULA.HNN. 2021-02-25T05:42:29.37 0.3 undecidable manual P 29 36.8298 50 -0.15 70
IT.SULP.HGN. 2021-02-25T05:42:29.54 0.3 undecidable manual P 29 38.3283 50 -0.22 69
IT.SULC.HNZ. 2021-02-25T05:42:29.15 0.6 undecidable manual P 28 35.9418 50 -0.24 46
IV.CERA.HHZ. 2021-02-25T05:42:28.80 0.1 undecidable manual P 128 33.2445 50 -0.17 94
IV.LIK.EHN.01 2021-02-25T05:42:28.86 0.3 undecidable manual P 201 33.5442 50 -0.16 71
IV.GUAR.HHZ. 2021-02-25T05:42:28.76 0.3 undecidable manual P 272 32.2455 50 -0.06 72
IV.INTR.HHZ. 2021-02-25T05:42:28.41 0.1 undecidable manual P 33 30.4473 50 -0.13 95
IV.MCI.EHZ. 2021-02-25T05:42:28.81 0.1 undecidable manual P 164 33.6441 50 -0.22 93
IV.POFI.HHZ. 2021-02-25T05:42:27.02 0.3 undecidable manual S 173 7.2927 146 0.07 75
IT.OPI.HGZ. 2021-02-25T05:42:27.63 0.3 undecidable manual S 94 10.5783 136 -0.06 75
IV.VVLD.HHZ. 2021-02-25T05:42:27.97 0.3 undecidable manual S 326 11.6772 133 0.03 75
IV.LRP.EHZ. 2021-02-25T05:42:26.52 0.1 undecidable manual P 213 17.7711 121 -0.07 99
IT.OPI.HGZ. 2021-02-25T05:42:25.52 0.1 undecidable manual P 94 10.5783 136 0.06 100
IV.VVLD.HHZ. 2021-02-25T05:42:25.80 0.1 undecidable manual P 326 11.6772 133 0.2 97
IV.POFI.HHZ. 2021-02-25T05:42:25.23 0.1 undecidable manual P 173 7.2927 146 0.2 98
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.POFI.HHN. ML:1.9 0.00124 0.32 AML other m 2021-02-25T05:42:27.30
IV.POFI.HNN. ML:2.0 0.00149 0.32 AML other m 2021-02-25T05:42:27.14
IV.POFI.HHE. ML:2.0 0.001405 1.72 AML other m 2021-02-25T05:42:27.95
IV.POFI.HNE. ML:2.1 0.001615 1.1 AML other m 2021-02-25T05:42:27.95
IV.VVLD.HNE. ML:1.8 0.000781 0.48 AML other m 2021-02-25T05:42:28.34
IV.VVLD.HHE. ML:1.9 0.000807 0.46 AML other m 2021-02-25T05:42:28.33
IV.VVLD.HHN. ML:1.8 0.0007664999999999999 0.38 AML other m 2021-02-25T05:42:28.55
IV.VVLD.HNN. ML:1.8 0.000734 0.4 AML other m 2021-02-25T05:42:28.55
IV.LRP.EHE. ML:2.0 0.0008815 0.24 AML other m 2021-02-25T05:42:29.87
IV.LRP.EHN. ML:1.5 0.0002455 0.18 AML other m 2021-02-25T05:42:29.91
IV.INTR.HNE. ML:1.8 0.00033350000000000003 1.42 AML other m 2021-02-25T05:42:33.05
IV.INTR.HNN. ML:1.9 0.00040249999999999997 0.84 AML other m 2021-02-25T05:42:33.47
IV.GUAR.HHE. ML:1.7 0.0002175 0.7 AML other m 2021-02-25T05:42:34.15
IV.GUAR.HHN. ML:1.7 0.000236 0.56 AML other m 2021-02-25T05:42:34.75
IV.MCI.EHE. ML:2.5 0.001365 0.42 AML other m 2021-02-25T05:42:34.62
IV.INTR.HHE. ML:1.9 0.000348 1.78 AML other m 2021-02-25T05:42:35.02
IV.CERA.HHE. ML:1.7 0.000199 1.34 AML other m 2021-02-25T05:42:35.97
IV.MCI.EHN. ML:2.4 0.001057 0.18 AML other m 2021-02-25T05:42:35.55
IV.INTR.HHN. ML:1.9 0.0004075 0.34 AML other m 2021-02-25T05:42:35.65
IV.PTQR.HHN. ML:1.4 0.0001062 0.96 AML other m 2021-02-25T05:42:35.35
IV.RNI2.HNE. ML:1.8 0.00024249999999999999 0.72 AML other m 2021-02-25T05:42:36.82
IV.RNI2.HHE. ML:1.9 0.0002595 0.72 AML other m 2021-02-25T05:42:36.82
IV.PTQR.HHE. ML:1.6 0.00015699999999999997 1.72 AML other m 2021-02-25T05:42:37.95
IV.RNI2.HHN. ML:1.7 0.0001975 1.62 AML other m 2021-02-25T05:42:37.97
IV.GIUL.HHE. ML:1.9 0.00023850000000000002 0.4 AML other m 2021-02-25T05:42:37.37
IV.GIUL.HHN. ML:2.0 0.000329 0.22 AML other m 2021-02-25T05:42:37.56
IV.MIDA.HHE. ML:1.5 0.00007855 0.64 AML other m 2021-02-25T05:42:39.89
IV.RNI2.HNN. ML:1.7 0.0001875 0.4 AML other m 2021-02-25T05:42:39.41
IV.MIDA.HHN. ML:1.4 0.00006670000000000001 1.72 AML other m 2021-02-25T05:42:39.92
IV.T0110.HHE. ML:2.0 0.0002385 0.42 AML other m 2021-02-25T05:42:40.25
IV.T0110.HHN. ML:1.8 0.000178 0.44 AML other m 2021-02-25T05:42:40.34
IV.LPEL.HHE. ML:1.8 0.000155 0.34 AML other m 2021-02-25T05:42:40.96
IV.LPEL.HHN. ML:1.8 0.00014950000000000003 0.94 AML other m 2021-02-25T05:42:41.78
IV.CERA.HHN. ML:1.6 0.00017749999999999998 1.2 AML other m 2021-02-25T05:42:41.98
IV.VCEL.EHE. ML:1.8 0.00009389999999999999 0.32 AML other m 2021-02-25T05:42:46.13
IV.VCEL.EHN. ML:1.7 0.0000814 0.8 AML other m 2021-02-25T05:42:49.60
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