Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.8 on date 13-02-2021 and time 02:26:59 (UTC) in region 3 km W Sant'Angelo in Pontano (MC)

A magnitude ML 1.8 earthquake occured in region: 3 km W Sant'Angelo in Pontano (MC), on

  • 13-02-2021 02:26:59 (UTC)
  • 13-02-2021 03:26:59 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 43.1090, 13.3640 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
Sant'Angelo in Pontano MC 3 1436 1436
San Ginesio MC 4 3498 4934
Ripe San Ginesio MC 4 852 5786
Gualdo MC 5 815 6601
Colmurano MC 6 1263 7864
Penna San Giovanni MC 8 1108 8972
Loro Piceno MC 8 2401 11373
Camporotondo di Fiastrone MC 8 563 11936
Cessapalombo MC 9 512 12448
Falerone FM 9 3337 15785
Montappone FM 9 1682 17467
Sarnano MC 10 3264 20731
Urbisaglia MC 10 2628 23359
Monte Vidon Corrado FM 10 731 24090
Massa Fermana FM 10 963 25053
Monte San Martino MC 11 765 25818
Servigliano FM 11 2336 28154
Caldarola MC 12 1823 29977
Belforte del Chienti MC 12 1886 31863
Tolentino MC 13 20069 51932
Mogliano MC 13 4696 56628
Smerillo FM 13 365 56993
Amandola FM 14 3629 60622
Montegiorgio FM 14 6851 67473
Belmonte Piceno FM 14 646 68119
Santa Vittoria in Matenano FM 15 1330 69449
Monteleone di Fermo FM 15 395 69844
Petriolo MC 15 1998 71842
Montefalcone Appennino FM 16 424 72266
Serrapetrona MC 16 966 73232
Monsampietro Morico FM 16 659 73891
Bolognola MC 17 142 74033
Francavilla d'Ete FM 17 964 74997
Comunanza AP 17 3166 78163
Montelparo FM 17 778 78941
Acquacanina MC 18 121 79062
Pollenza MC 18 6618 85680
Magliano di Tenna FM 18 1452 87132
Montefortino FM 18 1178 88310
Fiastra MC 19 559 88869
Montottone FM 19 979 89848
Force AP 19 1354 91202
Grottazzolina FM 19 3398 94600
Rapagnano FM 20 2145 96745
Corridonia MC 20 15430 112175
Monte Rinaldo FM 20 379 112554
Monte San Pietrangeli FM 20 2458 115012

Municipalities with at least 50000 inhabitants

An earthquake occurred to
56 Km E of Foligno (57155 inhabitants)
57 Km NW of Teramo (54892 inhabitants)
58 Km S of Ancona (100861 inhabitants)
79 Km E of Perugia (166134 inhabitants)
84 Km N of L'Aquila (69753 inhabitants)
84 Km NE of Terni (111501 inhabitants)
86 Km SE of Fano (60888 inhabitants)
92 Km NW of Montesilvano (53738 inhabitants)
96 Km SE of Pesaro (94582 inhabitants)
100 Km NW of Pescara (121014 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 2021-02-13
02:26:59		 43.1087 13.3638 23 2021-07-12
16:55:12		 Bollettino Sismico Italiano INGV 90498151
Reviewed
Rev100 		ML 1.8 2021-02-13
02:26:59		 43.1057 13.3523 23 2021-02-13
02:33:10		 Sala Sismica INGV-Roma 87095731
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-02-13 02:26:59 ± 0.09
Latitude 43.1087 ± 0.0036
Longitude 13.3638 ± 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 90498151

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 446
Semi-minor axis of confidence ellipse (meter) 212
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 225
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) 36
Number of associated phases, regardless of their use for origin computation 43
Number of defining phases 42
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.21
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.55848
Number of stations at which the event was observed 29
Number of stations from which data was used for origin computation 28
Magnitudes information

ML:1.8

Field Value
Value 1.8
Uncertainty 0.3
Num. used stations 29
Type of magnitude ML
Reference to an origin 90498151
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2021-05-26 00:23:24

ML:1.8

Field Value
Value 1.8
Uncertainty 0.3
Num. used stations 26
Type of magnitude ML
Reference to an origin 87095731
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-02-13 02:33:10
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MOMA.HHZ. 2021-02-13T02:27:23.31 3.0 undecidable manual S 0.05 0
IV.CING.HNE. 2021-02-13T02:27:11.52 0.3 undecidable manual S 335 32.5452 118 -0.01 73
IV.FEMA.HNE. 2021-02-13T02:27:11.46 0.3 undecidable manual S 238 30.2475 120 0.48 67
IV.EL6.EHZ. 2021-02-13T02:27:11.73 0.3 undecidable manual S 319 32.3454 118 0.25 69
IV.MML1.HNE. 2021-02-13T02:27:11.88 0.3 undecidable manual S 271 31.746 119 0.54 66
IV.LNSS.HNZ. 2021-02-13T02:27:10.71 0.6 undecidable manual P 205 61.9935 104 -0.01 46
IV.MC2.EHE. 2021-02-13T02:27:10.47 0.3 undecidable manual S 213 26.0517 125 0.43 68
IV.SMA1.EHZ. 2021-02-13T02:27:09.10 0.6 undecidable manual P 183 53.1024 106 -0.3 44
IV.TERO.HHZ. 2021-02-13T02:27:09.91 0.6 undecidable manual P 160 57.2982 105 -0.12 46
IV.MNTT.EHZ. 2021-02-13T02:27:09.52 0.3 undecidable manual S 105 19.4694 134 0.83 58
IV.FDMO.HHZ. 2021-02-13T02:27:09.75 0.3 undecidable manual S 250 23.754 128 0.19 72
IV.ARVD.HHE. 2021-02-13T02:27:09.79 1.0 undecidable manual P 322 55.0005 106 0.1 23
IV.MMO1.EHZ. 2021-02-13T02:27:09.27 0.3 undecidable manual S 187 23.4543 128 -0.2 70
IV.AOI.HHE. 2021-02-13T02:27:09.63 1.0 undecidable manual P 21 52.6029 106 0.3 22
IV.T1299.HNN. 2021-02-13T02:27:09.34 1.0 undecidable manual P 187 53.0025 106 -0.05 23
IV.MF5.EHZ. 2021-02-13T02:27:08.19 0.3 undecidable manual S 150 15.4734 142 0.22 72
IV.PP3.HNN. 2021-02-13T02:27:07.11 1.0 undecidable manual P 34 35.8419 115 0.2 23
IV.OFFI.HHE. 2021-02-13T02:27:07.44 1.0 undecidable manual P 126 32.4453 118 1 17
IV.MNTP.HNZ. 2021-02-13T02:27:07.07 0.3 undecidable manual S 69 9.0798 156 -0.01 76
IV.CESI.HHZ. 2021-02-13T02:27:07.58 0.6 negative manual P 253 38.9277 113 0.23 46
IV.NRCA.HHZ. 2021-02-13T02:27:07.00 0.3 undecidable manual P 214 36.6411 115 -0.02 72
IV.PF6.EHZ. 2021-02-13T02:27:07.50 0.3 undecidable manual S 283 14.0748 144 -0.25 71
IV.SNTG.HHZ. 2021-02-13T02:27:07.14 0.6 undecidable manual P 296 37.9287 114 -0.06 48
IV.CSP1.EHZ. 2021-02-13T02:27:07.44 0.3 undecidable manual S 262 12.9759 147 -0.14 73
IV.GUMA.HHZ. 2021-02-13T02:27:06.70 0.1 undecidable manual S 205 5.5944 165 -0.06 100
IV.CING.HNE. 2021-02-13T02:27:06.20 0.3 undecidable manual P 335 32.5452 118 -0.26 70
IV.FEMA.HNE. 2021-02-13T02:27:06.16 0.6 undecidable manual P 238 30.2475 120 0.02 49
IV.EL6.EHZ. 2021-02-13T02:27:06.48 0.3 undecidable manual P 319 32.3454 118 0.05 72
IV.MML1.HNE. 2021-02-13T02:27:06.29 0.3 undecidable manual P 271 31.746 119 -0.06 72
IV.SAP2.EHZ. 2021-02-13T02:27:06.41 0.1 undecidable manual S 115 3.1968 171 -0.21 98
IV.MTRA.EHZ. 2021-02-13T02:27:06.98 0.6 undecidable manual P 176 39.1275 113 -0.39 44
IT.MTCL.HGZ. 2021-02-13T02:27:06.45 0.3 undecidable manual P 247 32.1456 118 0.05 73
IV.MMO1.EHZ. 2021-02-13T02:27:05.14 0.3 positive manual P 187 23.4543 128 -0.13 72
IV.MC2.EHE. 2021-02-13T02:27:05.65 0.6 undecidable manual P 213 26.0517 125 0.05 49
IV.FDMO.HHZ. 2021-02-13T02:27:05.28 0.3 negative manual P 250 23.754 128 -0.04 73
IV.CSP1.EHZ. 2021-02-13T02:27:04.02 0.1 undecidable manual P 262 12.9759 147 -0.16 97
IV.TRE1.HNN. 2021-02-13T02:27:04.91 0.6 undecidable manual P 350 22.8549 129 -0.29 47
IV.MF5.EHZ. 2021-02-13T02:27:04.45 0.3 undecidable manual P 150 15.4734 142 0.04 74
IV.MNTT.EHZ. 2021-02-13T02:27:04.94 0.1 undecidable manual P 105 19.4694 134 0.12 96
IV.PF6.EHZ. 2021-02-13T02:27:03.98 0.3 undecidable manual P 283 14.0748 144 -0.3 71
IV.SAP2.EHZ. 2021-02-13T02:27:03.41 0.1 undecidable manual P 115 3.1968 171 -0.22 98
IV.GUMA.HHZ. 2021-02-13T02:27:03.58 0.1 undecidable manual P 205 5.5944 165 -0.13 99
IV.MNTP.HNZ. 2021-02-13T02:27:03.62 0.3 undecidable manual P 69 9.0798 156 -0.27 72
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.GUMA.HHE. ML:1.8 0.00042 0.2 AML other m 2021-02-13T02:27:06.87
IV.GUMA.HNN. ML:1.8 0.00044773585 0.1904 AML other m 2021-02-13T02:27:06.93
IV.GUMA.HHN. ML:2.0 0.0007270000000000001 0.2 AML other m 2021-02-13T02:27:06.85
IV.SAP2.EHE. ML:1.5 0.00020538505 0.2992 AML other m 2021-02-13T02:27:07.39
IV.GUMA.HNE. ML:1.9 0.00054883995 0.2096 AML other m 2021-02-13T02:27:06.84
IV.CSP1.EHE. ML:2.1 0.000842 0.16 AML other m 2021-02-13T02:27:07.71
IV.CSP1.EHN. ML:2.1 0.000759 0.34 AML other m 2021-02-13T02:27:07.74
IV.SAP2.EHN. ML:2.1 0.00096128995 0.3008 AML other m 2021-02-13T02:27:08.43
IV.FDMO.HHN. ML:1.4 0.00010883573000000001 0.1008 AML other m 2021-02-13T02:27:10.07
IV.FDMO.HHE. ML:1.6 0.0002055 0.22 AML other m 2021-02-13T02:27:09.96
IV.EL6.EHE. ML:1.7 0.00019339000000000002 0.24 AML other m 2021-02-13T02:27:12.15
IV.EL6.EHN. ML:2.0 0.000383 0.18 AML other m 2021-02-13T02:27:12.51
IV.NRCA.HHE. ML:2.1 0.00044419125 0.16 AML other m 2021-02-13T02:27:13.05
IV.NRCA.HNE. ML:2.1 0.00043981445 0.1712 AML other m 2021-02-13T02:27:13.06
IV.NRCA.HHN. ML:2.1 0.000413868 0.1408 AML other m 2021-02-13T02:27:13.25
IV.NRCA.HNN. ML:2.1 0.0004094565 0.1392 AML other m 2021-02-13T02:27:13.26
IV.SNTG.HHN. ML:1.5 0.00009109007 0.16 AML other m 2021-02-13T02:27:13.74
IV.SNTG.HHE. ML:1.7 0.000169 0.18 AML other m 2021-02-13T02:27:13.62
IV.MTRA.EHN. ML:1.4 0.00008190488 0.2416 AML other m 2021-02-13T02:27:14.82
IV.MTRA.EHE. ML:1.4 0.000085212665 0.1008 AML other m 2021-02-13T02:27:14.31
IV.CESI.HHE. ML:1.4 0.00006875479649999999 0.1008 AML other m 2021-02-13T02:27:14.66
IV.CESI.HHN. ML:1.4 0.000079374805 0.16 AML other m 2021-02-13T02:27:14.68
IV.TERO.HHE. ML:1.1 0.000025921725 0.1792 AML other m 2021-02-13T02:27:19.72
IV.MNTP.HNN. ML:1.8 0.00040527369999999996 0.1504 AML other m 2021-02-13T02:27:07.06
IV.MNTP.HNE. ML:1.7 0.00034772199999999996 0.2 AML other m 2021-02-13T02:27:08.22
IV.MNTT.EHE. ML:2.3 0.0010743765 0.1408 AML other m 2021-02-13T02:27:10.06
IV.MNTT.EHN. ML:1.8 0.00034453195 0.24 AML other m 2021-02-13T02:27:10.36
IV.SNTG.HNE. ML:1.8 0.00019642325 0.2 AML other m 2021-02-13T02:27:13.71
IV.SMA1.EHE. ML:1.3 0.000041996875 0.1792 AML other m 2021-02-13T02:27:19.01
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