Earthquake with magnitude of ML 1.1 on date 15-08-2020 and time 03:07:51 (Italy) in region 6 km W Cervia (RA)

A magnitude ML 1.1 earthquake occured in region: 6 km W Cervia (RA), on

  • 15-08-2020 01:07:51 (UTC)
  • 15-08-2020 03:07:51 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 44.2340, 12.2800 at 34 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.

Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Cervia RA 6 28940 28940
Cesenatico FC 10 25796 54736
Cesena FC 11 96758 151494
Forlimpopoli FC 13 13290 164784
Gambettola FC 14 10660 175444
Bertinoro FC 15 11059 186503
Gatteo FC 16 9068 195571
Montiano FC 17 1716 197287
Bellaria-Igea Marina RN 17 19519 216806
San Mauro Pascoli FC 18 11690 228496
Longiano FC 18 7126 235622
Savignano sul Rubicone FC 18 17766 253388
Forlì FC 19 117913 371301

Municipalities with at least 50000 inhabitants

An earthquake occurred to
11 Km N of Cesena (96758 inhabitants)
19 Km E of Forlì (117913 inhabitants)
21 Km SE of Ravenna (159116 inhabitants)
30 Km NW of Rimini (147750 inhabitants)
32 Km E of Faenza (58541 inhabitants)
47 Km E of Imola (69797 inhabitants)
62 Km NW of Pesaro (94582 inhabitants)
73 Km NW of Fano (60888 inhabitants)
80 Km E of Bologna (386663 inhabitants)
85 Km SE of Ferrara (133155 inhabitants)
91 Km NE of Arezzo (99543 inhabitants)
97 Km NE of Firenze (382808 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 1.1 2020-08-15
01:07:51
44.2342 12.2805 34 2020-11-19
12:37:03
Bollettino Sismico Italiano INGV 83617971
Reviewed
Rev100
ML 0.9 2020-08-15
01:07:53
44.2097 12.3073 10 2020-08-15
01:15:07
Sala Sismica INGV-Roma 81988871
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-08-15 01:07:51 ± 0.53
Latitude 44.2342 ± 0.0198
Longitude 12.2805 ± 0.0188
Depth (km) 34 ± 4 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 83617971

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1807
Semi-minor axis of confidence ellipse (meter) 1447
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 11
Circular confidence region, given by single value of horizontal uncertainty (meter) 1810.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 195
Number of associated phases, regardless of their use for origin computation 15
Number of defining phases 15
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.44
Epicentral distance of station closest to the epicenter (degree) 0.15199
Epicentral distance of station farthest from the epicenter (degree) 0.72216
Number of stations at which the event was observed 8
Number of stations from which data was used for origin computation 8
Magnitudes information

ML:0.9

Field Value
Value 0.9
Uncertainty 0.2
Num. used stations 8
Type of magnitude ML
Reference to an origin 81988871
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-08-15 01:15:07

ML:1.1

Field Value
Value 1.1
Uncertainty 0.3
Num. used stations 10
Type of magnitude ML
Reference to an origin 83617971
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-10-08 13:30:42
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.PIEI.HHZ. 2020-08-15T01:08:17.71 0.6 undecidable manual S 165 80.1642 108 0.97 39
IV.PARC.HHZ. 2020-08-15T01:08:12.75 0.6 undecidable manual S 183 65.0904 113 -0.22 51
IV.PESA.HHZ. 2020-08-15T01:08:11.37 0.6 undecidable manual S 126 55.2003 117 0.79 44
IV.SFI.EHZ. 2020-08-15T01:08:09.18 0.6 undecidable manual S 224 50.3163 119 -0.25 52
IV.BRIS.HHZ. 2020-08-15T01:08:08.03 0.6 undecidable manual S 269 40.8258 125 0.73 45
IV.PIEI.HHZ. 2020-08-15T01:08:06.46 0.1 undecidable manual P 165 80.1642 108 0.21 100
IV.PESA.HHZ. 2020-08-15T01:08:03.19 0.1 undecidable manual P 126 55.2003 117 0.5 99
IV.BRSN.EHZ. 2020-08-15T01:08:03.33 0.6 undecidable manual S 289 16.872 151 0.38 53
IV.PARC.HHZ. 2020-08-15T01:08:03.77 0.3 undecidable manual P 183 65.0904 113 -0.3 75
IV.BLLA.EHZ. 2020-08-15T01:08:02.10 0.6 undecidable manual S 124 18.1707 149 -1.03 42
IV.SFI.EHZ. 2020-08-15T01:08:01.58 0.1 undecidable manual P 224 50.3163 119 -0.45 100
IV.BRIS.HHZ. 2020-08-15T01:08:00.97 0.3 undecidable manual P 269 40.8258 125 0.17 81
IV.RSM2.HHZ. 2020-08-15T01:08:00.21 0.3 undecidable manual P 158 35.4423 130 0.08 83
IV.BRSN.EHZ. 2020-08-15T01:07:58.03 0.3 undecidable manual P 289 16.872 151 -0.26 83
IV.BLLA.EHZ. 2020-08-15T01:07:57.75 0.1 undecidable manual P 124 18.1707 149 -0.64 99
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.BRIS.HHN. ML:1.2 0.00003485 1.36 AML other m 2020-08-15T01:08:08.26
IV.SFI.EHE. ML:1.2 0.0000316 0.24 AML other m 2020-08-15T01:08:09.71
IV.SFI.EHN. ML:1.3 0.000038400000000000005 0.18 AML other m 2020-08-15T01:08:09.86
IV.BRIS.HHE. ML:1.2 0.00003875 0.8 AML other m 2020-08-15T01:08:10.87
IV.PESA.HHE. ML:1.7 0.00009236586499999999 0.46 AML other m 2020-08-15T01:08:11.76
IV.PESA.HHN. ML:1.9 0.00015879765000000002 1.56 AML other m 2020-08-15T01:08:11.93
IV.PARC.HHE. ML:0.8 0.000010870714 0.86 AML other m 2020-08-15T01:08:16.16
IV.PIEI.HHE. ML:0.9 0.000011291243999999998 0.26 AML other m 2020-08-15T01:08:18.37
IV.PARC.HHN. ML:0.8 0.000009104615 0.36 AML other m 2020-08-15T01:08:19.63
IV.PIEI.HHN. ML:0.6 0.000006228511 1.82 AML other m 2020-08-15T01:08:20.02
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Download
Type Description Link
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QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download