Earthquake with magnitude of ML 1.9 on date 12-02-2021 and time 20:22:37 (UTC) in region 2 km N Sant'Angelo in Pontano (MC)

A magnitude ML 1.9 earthquake occured in region: 2 km N Sant'Angelo in Pontano (MC), on

  • 12-02-2021 20:22:37 (UTC)
  • 12-02-2021 21:22:37 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 43.12, 13.4 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.

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 2 1436 1436
Ripe San Ginesio MC 4 852 2288
Loro Piceno MC 6 2401 4689
Colmurano MC 6 1263 5952
Montappone FM 6 1682 7634
Falerone FM 6 3337 10971
San Ginesio MC 7 3498 14469
Monte Vidon Corrado FM 7 731 15200
Penna San Giovanni MC 7 1108 16308
Massa Fermana FM 7 963 17271
Gualdo MC 7 815 18086
Urbisaglia MC 9 2628 20714
Servigliano FM 9 2336 23050
Mogliano MC 10 4696 27746
Monte San Martino MC 10 765 28511
Camporotondo di Fiastrone MC 11 563 29074
Cessapalombo MC 11 512 29586
Montegiorgio FM 12 6851 36437
Belmonte Piceno FM 12 646 37083
Sarnano MC 12 3264 40347
Petriolo MC 13 1998 42345
Smerillo FM 13 365 42710
Monteleone di Fermo FM 13 395 43105
Tolentino MC 14 20069 63174
Santa Vittoria in Matenano FM 14 1330 64504
Belforte del Chienti MC 14 1886 66390
Caldarola MC 14 1823 68213
Monsampietro Morico FM 14 659 68872
Francavilla d'Ete FM 14 964 69836
Montefalcone Appennino FM 16 424 70260
Magliano di Tenna FM 16 1452 71712
Amandola FM 16 3629 75341
Montelparo FM 16 778 76119
Grottazzolina FM 17 3398 79517
Rapagnano FM 17 2145 81662
Montottone FM 17 979 82641
Monte San Pietrangeli FM 17 2458 85099
Pollenza MC 17 6618 91717
Corridonia MC 17 15430 107147
Comunanza AP 18 3166 110313
Serrapetrona MC 18 966 111279
Monte Rinaldo FM 18 379 111658
Torre San Patrizio FM 19 2048 113706
Force AP 19 1354 115060
Monte Giberto FM 19 801 115861
Bolognola MC 20 142 116003
Ortezzano FM 20 774 116777
Montefortino FM 20 1178 117955

Municipalities with at least 50000 inhabitants

An earthquake occurred to
56 Km S of Ancona (100861 inhabitants)
57 Km NW of Teramo (54892 inhabitants)
59 Km E of Foligno (57155 inhabitants)
82 Km E of Perugia (166134 inhabitants)
85 Km N of L'Aquila (69753 inhabitants)
86 Km SE of Fano (60888 inhabitants)
87 Km NE of Terni (111501 inhabitants)
91 Km NW of Montesilvano (53738 inhabitants)
96 Km SE of Pesaro (94582 inhabitants)
99 Km NW of Pescara (121014 inhabitants)
Recent and historical Seismicity
Seismic hazard
Shakemap
Felt maps
The earthquake effects in MCS scale as obtained from the compiled questionnaire

The earthquake effects in MCS scale as obtained from the compiled questionnaire

This map shows the distribution of the effects of the earthquake on the territory in terms of the MCS (Mercalli-Cancani-Sieberg) intensity scale. The intensities are determined using the data provided in the questionnaire (http://www.haisentitoilterremoto.it/) that are analysed using robust statistical techniques since they are not verified individually. Specifically, the assignment of MCS intensities greater or equal the VI degree of the MCS scale require opportune in situ verification by professional experts. The purple start shows the epicenter. This map is prepared every so often that the population fill in new questionnaires. The number of questionnaires used to determine the map and the date and time of the last adjournment are shown in the upper right part of the panel.
Locations history
Type Magnitude Date and Time (UTC) Latitude Longitude Depth (km) Published time (UTC) Author Location ID
Reviewed
Rev100
ML 1.9 2021-02-12
20:22:37
43.12 13.4 24 2021-02-12
20:37:43
Sala Sismica INGV-Roma 87088181
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-02-12 20:22:37 ± 0.2
Latitude 43.12 ± 0.01
Longitude 13.40 ± 0.01
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 87088181

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 768
Semi-minor axis of confidence ellipse (meter) 277
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 238
Circular confidence region, given by single value of horizontal uncertainty (meter) 770
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 142
Number of associated phases, regardless of their use for origin computation 24
Number of defining phases 23
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.27
Epicentral distance of station closest to the epicenter (degree) 0
Epicentral distance of station farthest from the epicenter (degree) 0.51891
Number of stations at which the event was observed 13
Number of stations from which data was used for origin computation 12
Magnitude information

ML:1.9

Field Value
Value 1.9
Uncertainty 0.4
Num. used stations 6
Type of magnitude ML
Reference to an origin 87088181
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-02-12 20:37:43
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
IV.CESI.HHZ. 2021-02-12T20:22:52.38 0.3 undecidable manual S 252 0.3777 112 0.83 56
IV.NRCA.HHZ. 2021-02-12T20:22:51.11 0.3 undecidable manual S 216 0.3525 114 0.23 69
IV.EL6.EHZ. 2021-02-12T20:22:49.90 0.1 undecidable manual S 314 0.3004 118 0.41 89
IV.CING.HNE. 2021-02-12T20:22:49.49 0.3 undecidable manual S 330 0.295 119 0.15 71
IV.FDMO.HHZ. 2021-02-12T20:22:48.00 0.3 undecidable manual S 250 0.241 125 0.01 73
IV.ASSB.HHZ. 2021-02-12T20:22:48.25 3.0 undecidable manual P -0.29 0
IV.MMO1.EHZ. 2021-02-12T20:22:47.53 0.6 undecidable manual S 193 0.2257 127 -0.1 48
IV.TERO.HHZ. 2021-02-12T20:22:47.55 1.0 undecidable manual P 163 0.5189 105 -0.25 22
IV.MF5.EHZ. 2021-02-12T20:22:46.04 0.3 undecidable manual S 161 0.1394 143 0.24 72
IV.MNTT.EHZ. 2021-02-12T20:22:46.77 0.3 undecidable manual S 112 0.1556 139 0.66 64
IV.NRCA.HHZ. 2021-02-12T20:22:45.00 0.1 undecidable manual P 216 0.3525 114 -0.12 94
IV.CESI.HHZ. 2021-02-12T20:22:45.61 0.3 undecidable manual P 252 0.3777 112 0.11 70
IV.CSP1.EHZ. 2021-02-12T20:22:45.70 0.3 undecidable manual S 259 0.143 142 -0.16 72
IV.PF6.EHE. 2021-02-12T20:22:45.65 0.3 undecidable manual S 277 0.1493 141 -0.33 70
IV.SAP2.EHE. 2021-02-12T20:22:44.16 0.3 undecidable manual S 176 0.0234 173 -0.31 72
IV.CING.HNE. 2021-02-12T20:22:44.08 0.1 undecidable manual P 330 0.295 119 -0.15 94
IV.EL6.EHZ. 2021-02-12T20:22:44.32 0.1 undecidable manual P 314 0.3004 118 0.01 97
IV.MMO1.EHZ. 2021-02-12T20:22:43.05 0.6 positive manual P 193 0.2257 127 -0.19 47
IV.FDMO.HHZ. 2021-02-12T20:22:43.23 0.1 undecidable manual P 250 0.241 125 -0.22 94
IV.MNTT.EHZ. 2021-02-12T20:22:42.55 0.6 positive manual P 112 0.1556 139 0.19 48
IV.MF5.EHZ. 2021-02-12T20:22:42.17 0.1 undecidable manual P 161 0.1394 143 -0.01 100
IV.CSP1.EHZ. 2021-02-12T20:22:42.02 0.1 positive manual P 259 0.143 142 -0.19 96
IV.SAP2.EHE. 2021-02-12T20:22:41.06 0.6 undecidable manual P 176 0.0234 173 -0.35 48
IV.PF6.EHE. 2021-02-12T20:22:41.95 0.1 undecidable manual P 277 0.1493 141 -0.33 93
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.MNTT.EHN. ML:2.2 0.0008365 0.72 AML other m 2021-02-12T20:22:47.01
IV.MNTT.EHE. ML:2.2 0.000971 0.14 AML other m 2021-02-12T20:22:47.47
IV.FDMO.HHN. ML:1.2 7.16E-5 1.5 AML other m 2021-02-12T20:22:48.06
IV.FDMO.HHE. ML:1.1 5.65E-5 0.38 AML other m 2021-02-12T20:22:48.33
IV.NRCA.HHE. ML:2 0.000303 0.2 AML other m 2021-02-12T20:22:51.27
IV.NRCA.HHN. ML:1.8 0.0001935 1.62 AML other m 2021-02-12T20:22:52.16
TDMT - Time Domain Moment Tensor
Focal Mechanism in the area
Download
Type Description Link
QuakeML - small Event, Origin, FocalMechanism Download
QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download