Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.4 on date 26-02-2021 and time 14:49:28 (UTC) in region 3 km E Camporotondo di Fiastrone (MC)

A magnitude ML 1.4 earthquake occured in region: 3 km E Camporotondo di Fiastrone (MC), on

  • 26-02-2021 14:49:28 (UTC)
  • 26-02-2021 15:49:28 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 43.1390, 13.3010 at 23 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
Camporotondo di Fiastrone MC 3 563 563
San Ginesio MC 4 3498 4061
Cessapalombo MC 5 512 4573
Colmurano MC 5 1263 5836
Ripe San Ginesio MC 6 852 6688
Belforte del Chienti MC 6 1886 8574
Caldarola MC 6 1823 10397
Tolentino MC 8 20069 30466
Gualdo MC 8 815 31281
Sant'Angelo in Pontano MC 9 1436 32717
Urbisaglia MC 9 2628 35345
Loro Piceno MC 10 2401 37746
Serrapetrona MC 10 966 38712
Sarnano MC 11 3264 41976
Penna San Giovanni MC 14 1108 43084
Montappone FM 14 1682 44766
San Severino Marche MC 14 12726 57492
Massa Fermana FM 14 963 58455
Falerone FM 15 3337 61792
Pollenza MC 15 6618 68410
Monte Vidon Corrado FM 15 731 69141
Mogliano MC 16 4696 73837
Acquacanina MC 16 121 73958
Fiastra MC 16 559 74517
Petriolo MC 16 1998 76515
Monte San Martino MC 16 765 77280
Servigliano FM 17 2336 79616
Bolognola MC 17 142 79758
Amandola FM 18 3629 83387
Smerillo FM 19 365 83752
Camerino MC 19 6974 90726
Treia MC 19 9403 100129
Montegiorgio FM 19 6851 106980
Pievebovigliana MC 19 866 107846

Municipalities with at least 50000 inhabitants

An earthquake occurred to
53 Km E of Foligno (57155 inhabitants)
56 Km SW of Ancona (100861 inhabitants)
63 Km NW of Teramo (54892 inhabitants)
74 Km E of Perugia (166134 inhabitants)
82 Km S of Fano (60888 inhabitants)
83 Km NE of Terni (111501 inhabitants)
88 Km N of L'Aquila (69753 inhabitants)
91 Km SE of Pesaro (94582 inhabitants)
98 Km NW of Montesilvano (53738 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 1.4 2021-02-26
14:49:28		 43.1387 13.3013 23 2021-07-12
16:55:01		 Bollettino Sismico Italiano INGV 87945571
Reviewed
Rev100 		ML 1.6 2021-02-26
14:49:28		 43.1352 13.2847 24 2021-02-26
14:58:32		 Sala Sismica INGV-Roma 87509921
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-02-26 14:49:28 ± 0.12
Latitude 43.1387 ± 0.0045
Longitude 13.3013 ± 0.0049
Depth (km) 23 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 87945571

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 438
Semi-minor axis of confidence ellipse (meter) 199
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 223
Circular confidence region, given by single value of horizontal uncertainty (meter) 440.0
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 40
Number of defining phases 39
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.25
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.56118
Number of stations at which the event was observed 21
Number of stations from which data was used for origin computation 20
Magnitudes information

ML:1.4

Field Value
Value 1.4
Uncertainty 0.3
Num. used stations 23
Type of magnitude ML
Reference to an origin 87945571
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2021-03-09 15:24:31

ML:1.6

Field Value
Value 1.6
Uncertainty 0.3
Num. used stations 11
Type of magnitude ML
Reference to an origin 87509921
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-02-26 14:58:32
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.ATCC.EHZ. 2021-02-26T14:49:46.37 0.3 undecidable manual S 276 53.8017 106 0.76 58
IV.SMA1.EHZ. 2021-02-26T14:49:46.61 0.3 undecidable manual S 177 56.3991 105 0.31 67
IV.MTRA.EHE. 2021-02-26T14:49:43.14 0.3 undecidable manual S 170 43.0236 111 0.24 70
IV.NRCA.HHZ. 2021-02-26T14:49:41.47 0.1 undecidable manual S 204 37.1295 115 0.04 98
IV.CESI.HHZ. 2021-02-26T14:49:41.28 0.6 undecidable manual S 245 35.4423 116 0.26 47
IV.EL6.EHZ. 2021-02-26T14:49:39.23 0.1 undecidable manual S 323 26.6511 125 0.24 96
IV.MMO1.EHZ. 2021-02-26T14:49:39.03 0.1 undecidable manual S 176 26.6511 125 0.04 100
IV.CING.HNE. 2021-02-26T14:49:39.17 0.3 undecidable manual S 342 27.6501 123 -0.05 75
IV.FEMA.HNE. 2021-02-26T14:49:39.75 0.3 undecidable manual S 226 28.2495 123 0.39 70
IV.MC2.EHZ. 2021-02-26T14:49:39.38 0.1 undecidable manual S 200 26.751 124 0.34 94
IV.TERO.HHZ. 2021-02-26T14:49:39.34 0.3 undecidable manual P 157 62.2932 104 -0.24 68
IV.MNTT.EHZ. 2021-02-26T14:49:39.63 0.3 undecidable manual S 110 25.3524 126 0.92 57
IV.MML1.HNE. 2021-02-26T14:49:39.27 0.3 undecidable manual S 264 26.8509 124 0.23 72
IV.ATCC.EHZ. 2021-02-26T14:49:38.32 0.6 undecidable manual P 276 53.8017 106 0.01 48
IV.SMA1.EHZ. 2021-02-26T14:49:38.48 0.6 undecidable manual P 177 56.3991 105 -0.23 46
IV.MF5.EHN. 2021-02-26T14:49:38.10 0.1 undecidable manual S 142 21.0678 132 0.27 96
IV.FDMO.HHZ. 2021-02-26T14:49:37.58 0.3 undecidable manual S 237 20.7681 133 -0.18 73
IV.FOSV.EHZ. 2021-02-26T14:49:37.07 3.0 positive manual P -0.13 0
IV.MNTP.HNZ. 2021-02-26T14:49:36.68 0.1 undecidable manual S 91 13.5753 146 0.17 99
IV.MTRA.EHE. 2021-02-26T14:49:36.32 0.6 undecidable manual P 170 43.0236 111 -0.43 45
IV.SAP2.EHE. 2021-02-26T14:49:35.72 0.3 undecidable manual S 120 9.1797 156 -0.22 74
IV.CESI.HHZ. 2021-02-26T14:49:35.71 0.3 undecidable manual P 245 35.4423 116 0.05 73
IV.CSP1.EHZ. 2021-02-26T14:49:35.76 0.6 undecidable manual S 236 9.3795 155 -0.19 49
IV.GUMA.HHZ. 2021-02-26T14:49:35.91 0.3 undecidable manual S 162 8.88 156 0.01 78
IV.PF6.EHN. 2021-02-26T14:49:35.41 0.1 undecidable manual S 269 8.6802 157 -0.47 93
IV.NRCA.HHZ. 2021-02-26T14:49:35.69 0.1 undecidable manual P 204 37.1295 115 -0.21 95
IV.MNTT.EHZ. 2021-02-26T14:49:34.42 0.1 undecidable manual P 110 25.3524 126 0.09 98
IV.MML1.HNE. 2021-02-26T14:49:34.39 0.1 undecidable manual P 264 26.8509 124 -0.13 98
IV.EL6.EHZ. 2021-02-26T14:49:34.66 0.3 undecidable manual P 323 26.6511 125 0.17 72
IV.MMO1.EHZ. 2021-02-26T14:49:34.17 0.1 undecidable manual P 176 26.6511 125 -0.32 94
IV.CING.HNE. 2021-02-26T14:49:34.69 0.3 undecidable manual P 342 27.6501 123 0.07 74
IV.FEMA.HNE. 2021-02-26T14:49:34.81 0.6 undecidable manual P 226 28.2495 123 0.1 49
IV.MC2.EHZ. 2021-02-26T14:49:34.37 0.1 undecidable manual P 200 26.751 124 -0.14 98
IV.FDMO.HHZ. 2021-02-26T14:49:33.54 0.1 undecidable manual P 237 20.7681 133 -0.24 97
IV.MF5.EHN. 2021-02-26T14:49:33.87 0.1 undecidable manual P 142 21.0678 132 0.05 100
IV.GUMA.HHZ. 2021-02-26T14:49:32.49 0.1 undecidable manual P 162 8.88 156 -0.22 99
IV.PF6.EHN. 2021-02-26T14:49:32.28 0.1 undecidable manual P 269 8.6802 157 -0.41 95
IV.SAP2.EHE. 2021-02-26T14:49:32.77 0.6 undecidable manual P 120 9.1797 156 0.05 51
IV.MNTP.HNZ. 2021-02-26T14:49:32.86 0.1 undecidable manual P 91 13.5753 146 -0.2 99
IV.CSP1.EHZ. 2021-02-26T14:49:32.47 0.1 undecidable manual P 236 9.3795 155 -0.27 98
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.GUMA.HHE. ML:1.5 0.00022636165 0.2624 AML other m 2021-02-26T14:49:36.08
IV.CSP1.EHN. ML:1.7 0.00033156 0.1216 AML other m 2021-02-26T14:49:36.15
IV.CSP1.EHE. ML:1.5 0.00021827435 0.2368 AML other m 2021-02-26T14:49:37.03
IV.GUMA.HHN. ML:1.6 0.00026949999999999994 0.24 AML other m 2021-02-26T14:49:36.33
IV.MNTT.EHN. ML:1.9 0.00034524415 0.16 AML other m 2021-02-26T14:49:40.39
IV.CESI.HHN. ML:1.4 0.00008619955 0.2816 AML other m 2021-02-26T14:49:41.88
IV.NRCA.HHN. ML:1.7 0.00016099999999999998 0.12 AML other m 2021-02-26T14:49:42.26
IV.CESI.HHE. ML:1.2 0.00005155693 0.1792 AML other m 2021-02-26T14:49:41.69
IV.NRCA.HHE. ML:1.8 0.0001855 0.1 AML other m 2021-02-26T14:49:42.56
IV.TERO.HHE. ML:1.0 0.00001845 0.12 AML other m 2021-02-26T14:49:51.32
IV.TERO.HHN. ML:0.9 0.000016505 0.5 AML other m 2021-02-26T14:49:51.37
IV.GUMA.HNE. ML:1.7 0.0002973646 0.2688 AML other m 2021-02-26T14:49:36.21
IV.MNTT.EHE. ML:2.4 0.00100782335 0.1216 AML other m 2021-02-26T14:49:41.01
IV.EL6.EHN. ML:1.1 0.00005525572 0.1024 AML other m 2021-02-26T14:49:39.75
IV.EL6.EHE. ML:1.2 0.000059775220000000005 0.1408 AML other m 2021-02-26T14:49:39.49
IV.NRCA.HNE. ML:1.7 0.00016275876000000002 0.1152 AML other m 2021-02-26T14:49:42.61
IV.CESI.HNN. ML:1.7 0.00017766241 0.3264 AML other m 2021-02-26T14:49:42.04
IV.FOSV.EHE. ML:1.2 0.00003970538499999999 0.3008 AML other m 2021-02-26T14:49:45.27
IV.FOSV.EHN. ML:1.1 0.000030227845 0.2176 AML other m 2021-02-26T14:49:47.89
IV.ATCC.EHN. ML:1.1 0.000026607485 0.1216 AML other m 2021-02-26T14:49:47.64
IV.ATCC.EHE. ML:1.1 0.000031183335 0.1984 AML other m 2021-02-26T14:49:47.88
IV.SMA1.EHN. ML:1.1 0.0000250054 0.32 AML other m 2021-02-26T14:49:46.89
IV.SMA1.EHE. ML:1.0 0.000022160625 0.4992 AML other m 2021-02-26T14:49:53.10
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