Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.0 on date 01-03-2021 and time 04:10:36 (Italy) in region 3 km NE Sant'Angelo in Pontano (MC)

A magnitude ML 1.0 earthquake occured in region: 3 km NE Sant'Angelo in Pontano (MC), on

  • 01-03-2021 03:10:36 (UTC)
  • 01-03-2021 04:10:36 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 43.1230, 13.4230 at 24 km depth.

The earthquake was located by: Sala Sismica INGV-Roma.

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
Montappone FM 4 1682 3118
Falerone FM 5 3337 6455
Loro Piceno MC 5 2401 8856
Ripe San Ginesio MC 5 852 9708
Monte Vidon Corrado FM 5 731 10439
Massa Fermana FM 5 963 11402
Colmurano MC 7 1263 12665
Servigliano FM 7 2336 15001
Penna San Giovanni MC 7 1108 16109
Mogliano MC 9 4696 20805
San Ginesio MC 9 3498 24303
Gualdo MC 9 815 25118
Urbisaglia MC 9 2628 27746
Montegiorgio FM 9 6851 34597
Belmonte Piceno FM 10 646 35243
Monte San Martino MC 10 765 36008
Petriolo MC 12 1998 38006
Monteleone di Fermo FM 12 395 38401
Francavilla d'Ete FM 12 964 39365
Monsampietro Morico FM 12 659 40024
Camporotondo di Fiastrone MC 13 563 40587
Santa Vittoria in Matenano FM 13 1330 41917
Smerillo FM 13 365 42282
Magliano di Tenna FM 13 1452 43734
Cessapalombo MC 13 512 44246
Sarnano MC 14 3264 47510
Rapagnano FM 15 2145 49655
Grottazzolina FM 15 3398 53053
Tolentino MC 15 20069 73122
Montottone FM 15 979 74101
Montelparo FM 15 778 74879
Monte San Pietrangeli FM 15 2458 77337
Montefalcone Appennino FM 15 424 77761
Belforte del Chienti MC 16 1886 79647
Corridonia MC 16 15430 95077
Caldarola MC 16 1823 96900
Monte Rinaldo FM 17 379 97279
Torre San Patrizio FM 17 2048 99327
Amandola FM 17 3629 102956
Pollenza MC 17 6618 109574
Monte Giberto FM 17 801 110375
Ortezzano FM 18 774 111149
Comunanza AP 18 3166 114315
Force AP 19 1354 115669
Monte Vidon Combatte FM 19 433 116102
Monte San Giusto MC 19 8191 124293
Ponzano di Fermo FM 19 1674 125967
Serrapetrona MC 20 966 126933
Petritoli FM 20 2335 129268
Macerata MC 20 42473 171741

Municipalities with at least 50000 inhabitants

An earthquake occurred to
56 Km S of Ancona (100861 inhabitants)
56 Km NW of Teramo (54892 inhabitants)
61 Km E of Foligno (57155 inhabitants)
84 Km E of Perugia (166134 inhabitants)
86 Km N of L'Aquila (69753 inhabitants)
87 Km SE of Fano (60888 inhabitants)
89 Km NE of Terni (111501 inhabitants)
90 Km NW of Montesilvano (53738 inhabitants)
97 Km SE of Pesaro (94582 inhabitants)
98 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
Reviewed
Rev100 		ML 1.0 2021-03-01
03:10:36		 43.1228 13.423 24 2021-03-01
03:25:32		 Sala Sismica INGV-Roma 87591321
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-03-01 03:10:36 ± 0.11
Latitude 43.1228 ± 0.0027
Longitude 13.4230 ± 0.0049
Depth (km) 24 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 87591321

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 359
Semi-minor axis of confidence ellipse (meter) 273
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 251
Circular confidence region, given by single value of horizontal uncertainty (meter) 360.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 100
Number of associated phases, regardless of their use for origin computation 17
Number of defining phases 17
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.12
Epicentral distance of station closest to the epicenter (degree) 0.03687
Epicentral distance of station farthest from the epicenter (degree) 0.36692
Number of stations at which the event was observed 9
Number of stations from which data was used for origin computation 9
Magnitude information

ML:1.0

Field Value
Value 1.0
Uncertainty 0.3
Num. used stations 7
Type of magnitude ML
Reference to an origin 87591321
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-03-01 03:25:32
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.NRCA.HHZ. 2021-03-01T03:10:50.59 0.3 undecidable manual S 218 40.7259 114 0.12 70
IV.CING.HNE. 2021-03-01T03:10:48.90 0.3 undecidable manual S 327 33.5442 119 0.15 71
IV.FDMO.HHZ. 2021-03-01T03:10:47.83 0.3 undecidable manual S 251 28.8489 124 0.15 71
IV.MMO1.EHZ. 2021-03-01T03:10:47.04 0.3 undecidable manual S 198 25.9518 127 -0.02 73
IV.MF5.EHZ. 2021-03-01T03:10:45.26 0.3 undecidable manual S 169 15.2736 144 0.22 72
IV.CSP1.EHZ. 2021-03-01T03:10:45.50 0.3 undecidable manual S 259 17.9709 139 0.01 75
IV.GUMA.HHZ. 2021-03-01T03:10:44.20 0.3 undecidable manual S 227 9.7791 155 -0.09 74
IV.NRCA.HHZ. 2021-03-01T03:10:44.42 0.3 undecidable manual P 218 40.7259 114 -0.09 70
IV.MNTP.HNZ. 2021-03-01T03:10:43.73 0.1 undecidable manual S 67 4.0959 169 -0.1 100
IV.CING.HNE. 2021-03-01T03:10:43.58 0.3 undecidable manual P 327 33.5442 119 0.06 72
IV.MMO1.EHZ. 2021-03-01T03:10:42.41 0.3 undecidable manual P 198 25.9518 127 -0.14 72
IV.FDMO.HHZ. 2021-03-01T03:10:42.80 0.1 undecidable manual P 251 28.8489 124 -0.1 96
IV.CSP1.EHZ. 2021-03-01T03:10:41.54 0.1 undecidable manual P 259 17.9709 139 -0.1 97
IV.MF5.EHZ. 2021-03-01T03:10:41.44 0.3 undecidable manual P 169 15.2736 144 0.06 74
IV.MNTT.EHZ. 2021-03-01T03:10:41.63 0.3 undecidable manual P 116 15.5733 143 0.23 71
IV.GUMA.HHZ. 2021-03-01T03:10:40.78 0.6 undecidable manual P 227 9.7791 155 -0.17 49
IV.MNTP.HNZ. 2021-03-01T03:10:40.59 0.1 undecidable manual P 67 4.0959 169 -0.09 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.NRCA.HHN. ML:1.0 0.00003225 1.26 AML other m 2021-03-01T03:10:50.86
IV.NRCA.HHE. ML:1.2 0.00004654999999999999 0.14 AML other m 2021-03-01T03:10:50.84
IV.MF5.EHE. ML:0.9 0.000043572405000000004 0.6192 AML other m 2021-03-01T03:10:45.69
IV.MF5.EHN. ML:1.1 0.00007336754500000001 0.32 AML other m 2021-03-01T03:10:45.39
IV.FDMO.HHE. ML:0.6 0.000016622935000000002 0.2608 AML other m 2021-03-01T03:10:47.89
IV.FDMO.HHN. ML:0.4 0.0000093240715 0.0992 AML other m 2021-03-01T03:10:48.50
IV.NRCA.HNE. ML:1.5 0.000092989735 1.2112 AML other m 2021-03-01T03:10:50.30
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